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Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 

Pull x86 fixes from Thomas Gleixner:
 "A set of fixes and updates for x86:

   - Address a swiotlb regression which was caused by the recent DMA
     rework and made driver fail because dma_direct_supported() returned
     false

   - Fix a signedness bug in the APIC ID validation which caused invalid
     APIC IDs to be detected as valid thereby bloating the CPU possible
     space.

   - Fix inconsisten config dependcy/select magic for the MFD_CS5535
     driver.

   - Fix a corruption of the physical address space bits when encryption
     has reduced the address space and late cpuinfo updates overwrite
     the reduced bit information with the original value.

   - Dominiks syscall rework which consolidates the architecture
     specific syscall functions so all syscalls can be wrapped with the
     same macros. This allows to switch x86/64 to struct pt_regs based
     syscalls. Extend the clearing of user space controlled registers in
     the entry patch to the lower registers"

* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/apic: Fix signedness bug in APIC ID validity checks
  x86/cpu: Prevent cpuinfo_x86::x86_phys_bits adjustment corruption
  x86/olpc: Fix inconsistent MFD_CS5535 configuration
  swiotlb: Use dma_direct_supported() for swiotlb_ops
  syscalls/x86: Adapt syscall_wrapper.h to the new syscall stub naming convention
  syscalls/core, syscalls/x86: Rename struct pt_regs-based sys_*() to __x64_sys_*()
  syscalls/core, syscalls/x86: Clean up compat syscall stub naming convention
  syscalls/core, syscalls/x86: Clean up syscall stub naming convention
  syscalls/x86: Extend register clearing on syscall entry to lower registers
  syscalls/x86: Unconditionally enable 'struct pt_regs' based syscalls on x86_64
  syscalls/x86: Use 'struct pt_regs' based syscall calling for IA32_EMULATION and x32
  syscalls/core: Prepare CONFIG_ARCH_HAS_SYSCALL_WRAPPER=y for compat syscalls
  syscalls/x86: Use 'struct pt_regs' based syscall calling convention for 64-bit syscalls
  syscalls/core: Introduce CONFIG_ARCH_HAS_SYSCALL_WRAPPER=y
  x86/syscalls: Don't pointlessly reload the system call number
  x86/mm: Fix documentation of module mapping range with 4-level paging
  x86/cpuid: Switch to 'static const' specifier
This commit is contained in:
Linus Torvalds 2018-04-15 16:12:35 -07:00
parent 6b0a02e86c ef389b7346
commit 9fb71c2f23
33 changed files with 1150 additions and 802 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
Documentation/process/adding-syscalls.rst
View File

@ -360,7 +360,7 @@ First, the entry in ``arch/x86/entry/syscalls/syscall_32.tbl`` gets an extra
column to indicate that a 32-bit userspace program running on a 64-bit kernel
should hit the compat entry point::
380 i386 xyzzy sys_xyzzy compat_sys_xyzzy
380 i386 xyzzy sys_xyzzy __ia32_compat_sys_xyzzy
Second, you need to figure out what should happen for the x32 ABI version of
the new system call. There's a choice here: the layout of the arguments
@ -373,7 +373,7 @@ the compatibility wrapper::
333 64 xyzzy sys_xyzzy
...
555 x32 xyzzy compat_sys_xyzzy
555 x32 xyzzy __x32_compat_sys_xyzzy
If no pointers are involved, then it is preferable to re-use the 64-bit system
call for the x32 ABI (and consequently the entry in

2
Documentation/x86/x86_64/mm.txt
View File

@ -20,7 +20,7 @@ ffffff0000000000 - ffffff7fffffffff (=39 bits) %esp fixup stacks
ffffffef00000000 - fffffffeffffffff (=64 GB) EFI region mapping space
... unused hole ...
ffffffff80000000 - ffffffff9fffffff (=512 MB) kernel text mapping, from phys 0
ffffffffa0000000 - [fixmap start] (~1526 MB) module mapping space (variable)
ffffffffa0000000 - fffffffffeffffff (1520 MB) module mapping space
[fixmap start] - ffffffffff5fffff kernel-internal fixmap range
ffffffffff600000 - ffffffffff600fff (=4 kB) legacy vsyscall ABI
ffffffffffe00000 - ffffffffffffffff (=2 MB) unused hole

5
arch/x86/Kconfig
View File

@ -29,6 +29,7 @@ config X86_64
select HAVE_ARCH_SOFT_DIRTY
select MODULES_USE_ELF_RELA
select X86_DEV_DMA_OPS
select ARCH_HAS_SYSCALL_WRAPPER
#
# Arch settings
@ -2763,11 +2764,9 @@ config OLPC_XO1_RTC
config OLPC_XO1_SCI
bool "OLPC XO-1 SCI extras"
depends on OLPC && OLPC_XO1_PM
depends on OLPC && OLPC_XO1_PM && GPIO_CS5535=y
depends on INPUT=y
select POWER_SUPPLY
select GPIO_CS5535
select MFD_CORE
---help---
Add support for SCI-based features of the OLPC XO-1 laptop:
- EC-driven system wakeups

2
arch/x86/entry/calling.h
View File

@ -114,7 +114,9 @@ For 32-bit we have the following conventions - kernel is built with
pushq %rsi /* pt_regs->si */
.endif
pushq \rdx /* pt_regs->dx */
xorl %edx, %edx /* nospec dx */
pushq %rcx /* pt_regs->cx */
xorl %ecx, %ecx /* nospec cx */
pushq \rax /* pt_regs->ax */
pushq %r8 /* pt_regs->r8 */
xorl %r8d, %r8d /* nospec r8 */

20
arch/x86/entry/common.c
View File

@ -266,14 +266,13 @@ __visible inline void syscall_return_slowpath(struct pt_regs *regs)
}
#ifdef CONFIG_X86_64
__visible void do_syscall_64(struct pt_regs *regs)
__visible void do_syscall_64(unsigned long nr, struct pt_regs *regs)
{
struct thread_info *ti = current_thread_info();
unsigned long nr = regs->orig_ax;
struct thread_info *ti;
enter_from_user_mode();
local_irq_enable();
ti = current_thread_info();
if (READ_ONCE(ti->flags) & _TIF_WORK_SYSCALL_ENTRY)
nr = syscall_trace_enter(regs);
@ -282,11 +281,10 @@ __visible void do_syscall_64(struct pt_regs *regs)
* table. The only functional difference is the x32 bit in
* regs->orig_ax, which changes the behavior of some syscalls.
*/
if (likely((nr & __SYSCALL_MASK) < NR_syscalls)) {
nr = array_index_nospec(nr & __SYSCALL_MASK, NR_syscalls);
regs->ax = sys_call_table[nr](
regs->di, regs->si, regs->dx,
regs->r10, regs->r8, regs->r9);
nr &= __SYSCALL_MASK;
if (likely(nr < NR_syscalls)) {
nr = array_index_nospec(nr, NR_syscalls);
regs->ax = sys_call_table[nr](regs);
}
syscall_return_slowpath(regs);
@ -321,6 +319,9 @@ static __always_inline void do_syscall_32_irqs_on(struct pt_regs *regs)
if (likely(nr < IA32_NR_syscalls)) {
nr = array_index_nospec(nr, IA32_NR_syscalls);
#ifdef CONFIG_IA32_EMULATION
regs->ax = ia32_sys_call_table[nr](regs);
#else
/*
* It's possible that a 32-bit syscall implementation
* takes a 64-bit parameter but nonetheless assumes that
@ -331,6 +332,7 @@ static __always_inline void do_syscall_32_irqs_on(struct pt_regs *regs)
(unsigned int)regs->bx, (unsigned int)regs->cx,
(unsigned int)regs->dx, (unsigned int)regs->si,
(unsigned int)regs->di, (unsigned int)regs->bp);
#endif /* CONFIG_IA32_EMULATION */
}
syscall_return_slowpath(regs);

3
arch/x86/entry/entry_64.S
View File

@ -233,7 +233,8 @@ GLOBAL(entry_SYSCALL_64_after_hwframe)
TRACE_IRQS_OFF
/* IRQs are off. */
movq %rsp, %rdi
movq %rax, %rdi
movq %rsp, %rsi
call do_syscall_64 /* returns with IRQs disabled */
TRACE_IRQS_IRETQ /* we're about to change IF */

6
arch/x86/entry/entry_64_compat.S
View File

@ -220,8 +220,11 @@ GLOBAL(entry_SYSCALL_compat_after_hwframe)
pushq %rax /* pt_regs->orig_ax */
pushq %rdi /* pt_regs->di */
pushq %rsi /* pt_regs->si */
xorl %esi, %esi /* nospec si */
pushq %rdx /* pt_regs->dx */
xorl %edx, %edx /* nospec dx */
pushq %rbp /* pt_regs->cx (stashed in bp) */
xorl %ecx, %ecx /* nospec cx */
pushq $-ENOSYS /* pt_regs->ax */
pushq $0 /* pt_regs->r8 = 0 */
xorl %r8d, %r8d /* nospec r8 */
@ -365,8 +368,11 @@ ENTRY(entry_INT80_compat)
pushq (%rdi) /* pt_regs->di */
pushq %rsi /* pt_regs->si */
xorl %esi, %esi /* nospec si */
pushq %rdx /* pt_regs->dx */
xorl %edx, %edx /* nospec dx */
pushq %rcx /* pt_regs->cx */
xorl %ecx, %ecx /* nospec cx */
pushq $-ENOSYS /* pt_regs->ax */
pushq $0 /* pt_regs->r8 = 0 */
xorl %r8d, %r8d /* nospec r8 */

15
arch/x86/entry/syscall_32.c
View File

@ -7,14 +7,23 @@
#include <asm/asm-offsets.h>
#include <asm/syscall.h>
#define __SYSCALL_I386(nr, sym, qual) extern asmlinkage long sym(unsigned long, unsigned long, unsigned long, unsigned long, unsigned long, unsigned long) ;
#ifdef CONFIG_IA32_EMULATION
/* On X86_64, we use struct pt_regs * to pass parameters to syscalls */
#define __SYSCALL_I386(nr, sym, qual) extern asmlinkage long sym(const struct pt_regs *);
/* this is a lie, but it does not hurt as sys_ni_syscall just returns -EINVAL */
extern asmlinkage long sys_ni_syscall(const struct pt_regs *);
#else /* CONFIG_IA32_EMULATION */
#define __SYSCALL_I386(nr, sym, qual) extern asmlinkage long sym(unsigned long, unsigned long, unsigned long, unsigned long, unsigned long, unsigned long);
extern asmlinkage long sys_ni_syscall(unsigned long, unsigned long, unsigned long, unsigned long, unsigned long, unsigned long);
#endif /* CONFIG_IA32_EMULATION */
#include <asm/syscalls_32.h>
#undef __SYSCALL_I386
#define __SYSCALL_I386(nr, sym, qual) [nr] = sym,
extern asmlinkage long sys_ni_syscall(unsigned long, unsigned long, unsigned long, unsigned long, unsigned long, unsigned long);
__visible const sys_call_ptr_t ia32_sys_call_table[__NR_syscall_compat_max+1] = {
/*
* Smells like a compiler bug -- it doesn't work

6
arch/x86/entry/syscall_64.c
View File

@ -7,14 +7,14 @@
#include <asm/asm-offsets.h>
#include <asm/syscall.h>
#define __SYSCALL_64(nr, sym, qual) extern asmlinkage long sym(unsigned long, unsigned long, unsigned long, unsigned long, unsigned long, unsigned long);
/* this is a lie, but it does not hurt as sys_ni_syscall just returns -EINVAL */
extern asmlinkage long sys_ni_syscall(const struct pt_regs *);
#define __SYSCALL_64(nr, sym, qual) extern asmlinkage long sym(const struct pt_regs *);
#include <asm/syscalls_64.h>
#undef __SYSCALL_64
#define __SYSCALL_64(nr, sym, qual) [nr] = sym,
extern long sys_ni_syscall(unsigned long, unsigned long, unsigned long, unsigned long, unsigned long, unsigned long);
asmlinkage const sys_call_ptr_t sys_call_table[__NR_syscall_max+1] = {
/*
* Smells like a compiler bug -- it doesn't work

723
arch/x86/entry/syscalls/syscall_32.tbl
View File

@ -4,390 +4,395 @@
# The format is:
# <number> <abi> <name> <entry point> <compat entry point>
#
# The __ia32_sys and __ia32_compat_sys stubs are created on-the-fly for
# sys_*() system calls and compat_sys_*() compat system calls if
# IA32_EMULATION is defined, and expect struct pt_regs *regs as their only
# parameter.
#
# The abi is always "i386" for this file.
#
0 i386 restart_syscall sys_restart_syscall
1 i386 exit sys_exit
2 i386 fork sys_fork
3 i386 read sys_read
4 i386 write sys_write
5 i386 open sys_open compat_sys_open
6 i386 close sys_close
7 i386 waitpid sys_waitpid
8 i386 creat sys_creat
9 i386 link sys_link
10 i386 unlink sys_unlink
11 i386 execve sys_execve compat_sys_execve
12 i386 chdir sys_chdir
13 i386 time sys_time compat_sys_time
14 i386 mknod sys_mknod
15 i386 chmod sys_chmod
16 i386 lchown sys_lchown16
0 i386 restart_syscall sys_restart_syscall __ia32_sys_restart_syscall
1 i386 exit sys_exit __ia32_sys_exit
2 i386 fork sys_fork __ia32_sys_fork
3 i386 read sys_read __ia32_sys_read
4 i386 write sys_write __ia32_sys_write
5 i386 open sys_open __ia32_compat_sys_open
6 i386 close sys_close __ia32_sys_close
7 i386 waitpid sys_waitpid __ia32_sys_waitpid
8 i386 creat sys_creat __ia32_sys_creat
9 i386 link sys_link __ia32_sys_link
10 i386 unlink sys_unlink __ia32_sys_unlink
11 i386 execve sys_execve __ia32_compat_sys_execve
12 i386 chdir sys_chdir __ia32_sys_chdir
13 i386 time sys_time __ia32_compat_sys_time
14 i386 mknod sys_mknod __ia32_sys_mknod
15 i386 chmod sys_chmod __ia32_sys_chmod
16 i386 lchown sys_lchown16 __ia32_sys_lchown16
17 i386 break
18 i386 oldstat sys_stat
19 i386 lseek sys_lseek compat_sys_lseek
20 i386 getpid sys_getpid
21 i386 mount sys_mount compat_sys_mount
22 i386 umount sys_oldumount
23 i386 setuid sys_setuid16
24 i386 getuid sys_getuid16
25 i386 stime sys_stime compat_sys_stime
26 i386 ptrace sys_ptrace compat_sys_ptrace
27 i386 alarm sys_alarm
28 i386 oldfstat sys_fstat
29 i386 pause sys_pause
30 i386 utime sys_utime compat_sys_utime
18 i386 oldstat sys_stat __ia32_sys_stat
19 i386 lseek sys_lseek __ia32_compat_sys_lseek
20 i386 getpid sys_getpid __ia32_sys_getpid
21 i386 mount sys_mount __ia32_compat_sys_mount
22 i386 umount sys_oldumount __ia32_sys_oldumount
23 i386 setuid sys_setuid16 __ia32_sys_setuid16
24 i386 getuid sys_getuid16 __ia32_sys_getuid16
25 i386 stime sys_stime __ia32_compat_sys_stime
26 i386 ptrace sys_ptrace __ia32_compat_sys_ptrace
27 i386 alarm sys_alarm __ia32_sys_alarm
28 i386 oldfstat sys_fstat __ia32_sys_fstat
29 i386 pause sys_pause __ia32_sys_pause
30 i386 utime sys_utime __ia32_compat_sys_utime
31 i386 stty
32 i386 gtty
33 i386 access sys_access
34 i386 nice sys_nice
33 i386 access sys_access __ia32_sys_access
34 i386 nice sys_nice __ia32_sys_nice
35 i386 ftime
36 i386 sync sys_sync
37 i386 kill sys_kill
38 i386 rename sys_rename
39 i386 mkdir sys_mkdir
40 i386 rmdir sys_rmdir
41 i386 dup sys_dup
42 i386 pipe sys_pipe
43 i386 times sys_times compat_sys_times
36 i386 sync sys_sync __ia32_sys_sync
37 i386 kill sys_kill __ia32_sys_kill
38 i386 rename sys_rename __ia32_sys_rename
39 i386 mkdir sys_mkdir __ia32_sys_mkdir
40 i386 rmdir sys_rmdir __ia32_sys_rmdir
41 i386 dup sys_dup __ia32_sys_dup
42 i386 pipe sys_pipe __ia32_sys_pipe
43 i386 times sys_times __ia32_compat_sys_times
44 i386 prof
45 i386 brk sys_brk
46 i386 setgid sys_setgid16
47 i386 getgid sys_getgid16
48 i386 signal sys_signal
49 i386 geteuid sys_geteuid16
50 i386 getegid sys_getegid16
51 i386 acct sys_acct
52 i386 umount2 sys_umount
45 i386 brk sys_brk __ia32_sys_brk
46 i386 setgid sys_setgid16 __ia32_sys_setgid16
47 i386 getgid sys_getgid16 __ia32_sys_getgid16
48 i386 signal sys_signal __ia32_sys_signal
49 i386 geteuid sys_geteuid16 __ia32_sys_geteuid16
50 i386 getegid sys_getegid16 __ia32_sys_getegid16
51 i386 acct sys_acct __ia32_sys_acct
52 i386 umount2 sys_umount __ia32_sys_umount
53 i386 lock
54 i386 ioctl sys_ioctl compat_sys_ioctl
55 i386 fcntl sys_fcntl compat_sys_fcntl64
54 i386 ioctl sys_ioctl __ia32_compat_sys_ioctl
55 i386 fcntl sys_fcntl __ia32_compat_sys_fcntl64
56 i386 mpx
57 i386 setpgid sys_setpgid
57 i386 setpgid sys_setpgid __ia32_sys_setpgid
58 i386 ulimit
59 i386 oldolduname sys_olduname
60 i386 umask sys_umask
61 i386 chroot sys_chroot
62 i386 ustat sys_ustat compat_sys_ustat
63 i386 dup2 sys_dup2
64 i386 getppid sys_getppid
65 i386 getpgrp sys_getpgrp
66 i386 setsid sys_setsid
67 i386 sigaction sys_sigaction compat_sys_sigaction
68 i386 sgetmask sys_sgetmask
69 i386 ssetmask sys_ssetmask
70 i386 setreuid sys_setreuid16
71 i386 setregid sys_setregid16
72 i386 sigsuspend sys_sigsuspend
73 i386 sigpending sys_sigpending compat_sys_sigpending
74 i386 sethostname sys_sethostname
75 i386 setrlimit sys_setrlimit compat_sys_setrlimit
76 i386 getrlimit sys_old_getrlimit compat_sys_old_getrlimit
77 i386 getrusage sys_getrusage compat_sys_getrusage
78 i386 gettimeofday sys_gettimeofday compat_sys_gettimeofday
79 i386 settimeofday sys_settimeofday compat_sys_settimeofday
80 i386 getgroups sys_getgroups16
81 i386 setgroups sys_setgroups16
82 i386 select sys_old_select compat_sys_old_select
83 i386 symlink sys_symlink
84 i386 oldlstat sys_lstat
85 i386 readlink sys_readlink
86 i386 uselib sys_uselib
87 i386 swapon sys_swapon
88 i386 reboot sys_reboot
89 i386 readdir sys_old_readdir compat_sys_old_readdir
90 i386 mmap sys_old_mmap compat_sys_x86_mmap
91 i386 munmap sys_munmap
92 i386 truncate sys_truncate compat_sys_truncate
93 i386 ftruncate sys_ftruncate compat_sys_ftruncate
94 i386 fchmod sys_fchmod
95 i386 fchown sys_fchown16
96 i386 getpriority sys_getpriority
97 i386 setpriority sys_setpriority
59 i386 oldolduname sys_olduname __ia32_sys_olduname
60 i386 umask sys_umask __ia32_sys_umask
61 i386 chroot sys_chroot __ia32_sys_chroot
62 i386 ustat sys_ustat __ia32_compat_sys_ustat
63 i386 dup2 sys_dup2 __ia32_sys_dup2
64 i386 getppid sys_getppid __ia32_sys_getppid
65 i386 getpgrp sys_getpgrp __ia32_sys_getpgrp
66 i386 setsid sys_setsid __ia32_sys_setsid
67 i386 sigaction sys_sigaction __ia32_compat_sys_sigaction
68 i386 sgetmask sys_sgetmask __ia32_sys_sgetmask
69 i386 ssetmask sys_ssetmask __ia32_sys_ssetmask
70 i386 setreuid sys_setreuid16 __ia32_sys_setreuid16
71 i386 setregid sys_setregid16 __ia32_sys_setregid16
72 i386 sigsuspend sys_sigsuspend __ia32_sys_sigsuspend
73 i386 sigpending sys_sigpending __ia32_compat_sys_sigpending
74 i386 sethostname sys_sethostname __ia32_sys_sethostname
75 i386 setrlimit sys_setrlimit __ia32_compat_sys_setrlimit
76 i386 getrlimit sys_old_getrlimit __ia32_compat_sys_old_getrlimit
77 i386 getrusage sys_getrusage __ia32_compat_sys_getrusage
78 i386 gettimeofday sys_gettimeofday __ia32_compat_sys_gettimeofday
79 i386 settimeofday sys_settimeofday __ia32_compat_sys_settimeofday
80 i386 getgroups sys_getgroups16 __ia32_sys_getgroups16
81 i386 setgroups sys_setgroups16 __ia32_sys_setgroups16
82 i386 select sys_old_select __ia32_compat_sys_old_select
83 i386 symlink sys_symlink __ia32_sys_symlink
84 i386 oldlstat sys_lstat __ia32_sys_lstat
85 i386 readlink sys_readlink __ia32_sys_readlink
86 i386 uselib sys_uselib __ia32_sys_uselib
87 i386 swapon sys_swapon __ia32_sys_swapon
88 i386 reboot sys_reboot __ia32_sys_reboot
89 i386 readdir sys_old_readdir __ia32_compat_sys_old_readdir
90 i386 mmap sys_old_mmap __ia32_compat_sys_x86_mmap
91 i386 munmap sys_munmap __ia32_sys_munmap
92 i386 truncate sys_truncate __ia32_compat_sys_truncate
93 i386 ftruncate sys_ftruncate __ia32_compat_sys_ftruncate
94 i386 fchmod sys_fchmod __ia32_sys_fchmod
95 i386 fchown sys_fchown16 __ia32_sys_fchown16
96 i386 getpriority sys_getpriority __ia32_sys_getpriority
97 i386 setpriority sys_setpriority __ia32_sys_setpriority
98 i386 profil
99 i386 statfs sys_statfs compat_sys_statfs
100 i386 fstatfs sys_fstatfs compat_sys_fstatfs
101 i386 ioperm sys_ioperm
102 i386 socketcall sys_socketcall compat_sys_socketcall
103 i386 syslog sys_syslog
104 i386 setitimer sys_setitimer compat_sys_setitimer
105 i386 getitimer sys_getitimer compat_sys_getitimer
106 i386 stat sys_newstat compat_sys_newstat
107 i386 lstat sys_newlstat compat_sys_newlstat
108 i386 fstat sys_newfstat compat_sys_newfstat
109 i386 olduname sys_uname
110 i386 iopl sys_iopl
111 i386 vhangup sys_vhangup
99 i386 statfs sys_statfs __ia32_compat_sys_statfs
100 i386 fstatfs sys_fstatfs __ia32_compat_sys_fstatfs
101 i386 ioperm sys_ioperm __ia32_sys_ioperm
102 i386 socketcall sys_socketcall __ia32_compat_sys_socketcall
103 i386 syslog sys_syslog __ia32_sys_syslog
104 i386 setitimer sys_setitimer __ia32_compat_sys_setitimer
105 i386 getitimer sys_getitimer __ia32_compat_sys_getitimer
106 i386 stat sys_newstat __ia32_compat_sys_newstat
107 i386 lstat sys_newlstat __ia32_compat_sys_newlstat
108 i386 fstat sys_newfstat __ia32_compat_sys_newfstat
109 i386 olduname sys_uname __ia32_sys_uname
110 i386 iopl sys_iopl __ia32_sys_iopl
111 i386 vhangup sys_vhangup __ia32_sys_vhangup
112 i386 idle
113 i386 vm86old sys_vm86old sys_ni_syscall
114 i386 wait4 sys_wait4 compat_sys_wait4
115 i386 swapoff sys_swapoff
116 i386 sysinfo sys_sysinfo compat_sys_sysinfo
117 i386 ipc sys_ipc compat_sys_ipc
118 i386 fsync sys_fsync
114 i386 wait4 sys_wait4 __ia32_compat_sys_wait4
115 i386 swapoff sys_swapoff __ia32_sys_swapoff
116 i386 sysinfo sys_sysinfo __ia32_compat_sys_sysinfo
117 i386 ipc sys_ipc __ia32_compat_sys_ipc
118 i386 fsync sys_fsync __ia32_sys_fsync
119 i386 sigreturn sys_sigreturn sys32_sigreturn
120 i386 clone sys_clone compat_sys_x86_clone
121 i386 setdomainname sys_setdomainname
122 i386 uname sys_newuname
123 i386 modify_ldt sys_modify_ldt
124 i386 adjtimex sys_adjtimex compat_sys_adjtimex
125 i386 mprotect sys_mprotect
126 i386 sigprocmask sys_sigprocmask compat_sys_sigprocmask
120 i386 clone sys_clone __ia32_compat_sys_x86_clone
121 i386 setdomainname sys_setdomainname __ia32_sys_setdomainname
122 i386 uname sys_newuname __ia32_sys_newuname
123 i386 modify_ldt sys_modify_ldt __ia32_sys_modify_ldt
124 i386 adjtimex sys_adjtimex __ia32_compat_sys_adjtimex
125 i386 mprotect sys_mprotect __ia32_sys_mprotect
126 i386 sigprocmask sys_sigprocmask __ia32_compat_sys_sigprocmask
127 i386 create_module
128 i386 init_module sys_init_module
129 i386 delete_module sys_delete_module
128 i386 init_module sys_init_module __ia32_sys_init_module
129 i386 delete_module sys_delete_module __ia32_sys_delete_module
130 i386 get_kernel_syms
131 i386 quotactl sys_quotactl compat_sys_quotactl32
132 i386 getpgid sys_getpgid
133 i386 fchdir sys_fchdir
134 i386 bdflush sys_bdflush
135 i386 sysfs sys_sysfs
136 i386 personality sys_personality
131 i386 quotactl sys_quotactl __ia32_compat_sys_quotactl32
132 i386 getpgid sys_getpgid __ia32_sys_getpgid
133 i386 fchdir sys_fchdir __ia32_sys_fchdir
134 i386 bdflush sys_bdflush __ia32_sys_bdflush
135 i386 sysfs sys_sysfs __ia32_sys_sysfs
136 i386 personality sys_personality __ia32_sys_personality
137 i386 afs_syscall
138 i386 setfsuid sys_setfsuid16
139 i386 setfsgid sys_setfsgid16
140 i386 _llseek sys_llseek
141 i386 getdents sys_getdents compat_sys_getdents
142 i386 _newselect sys_select compat_sys_select
143 i386 flock sys_flock
144 i386 msync sys_msync
145 i386 readv sys_readv compat_sys_readv
146 i386 writev sys_writev compat_sys_writev
147 i386 getsid sys_getsid
148 i386 fdatasync sys_fdatasync
149 i386 _sysctl sys_sysctl compat_sys_sysctl
150 i386 mlock sys_mlock
151 i386 munlock sys_munlock
152 i386 mlockall sys_mlockall
153 i386 munlockall sys_munlockall
154 i386 sched_setparam sys_sched_setparam
155 i386 sched_getparam sys_sched_getparam
156 i386 sched_setscheduler sys_sched_setscheduler
157 i386 sched_getscheduler sys_sched_getscheduler
158 i386 sched_yield sys_sched_yield
159 i386 sched_get_priority_max sys_sched_get_priority_max
160 i386 sched_get_priority_min sys_sched_get_priority_min
161 i386 sched_rr_get_interval sys_sched_rr_get_interval compat_sys_sched_rr_get_interval
162 i386 nanosleep sys_nanosleep compat_sys_nanosleep
163 i386 mremap sys_mremap
164 i386 setresuid sys_setresuid16
165 i386 getresuid sys_getresuid16
138 i386 setfsuid sys_setfsuid16 __ia32_sys_setfsuid16
139 i386 setfsgid sys_setfsgid16 __ia32_sys_setfsgid16
140 i386 _llseek sys_llseek __ia32_sys_llseek
141 i386 getdents sys_getdents __ia32_compat_sys_getdents
142 i386 _newselect sys_select __ia32_compat_sys_select
143 i386 flock sys_flock __ia32_sys_flock
144 i386 msync sys_msync __ia32_sys_msync
145 i386 readv sys_readv __ia32_compat_sys_readv
146 i386 writev sys_writev __ia32_compat_sys_writev
147 i386 getsid sys_getsid __ia32_sys_getsid
148 i386 fdatasync sys_fdatasync __ia32_sys_fdatasync
149 i386 _sysctl sys_sysctl __ia32_compat_sys_sysctl
150 i386 mlock sys_mlock __ia32_sys_mlock
151 i386 munlock sys_munlock __ia32_sys_munlock
152 i386 mlockall sys_mlockall __ia32_sys_mlockall
153 i386 munlockall sys_munlockall __ia32_sys_munlockall
154 i386 sched_setparam sys_sched_setparam __ia32_sys_sched_setparam
155 i386 sched_getparam sys_sched_getparam __ia32_sys_sched_getparam
156 i386 sched_setscheduler sys_sched_setscheduler __ia32_sys_sched_setscheduler
157 i386 sched_getscheduler sys_sched_getscheduler __ia32_sys_sched_getscheduler
158 i386 sched_yield sys_sched_yield __ia32_sys_sched_yield
159 i386 sched_get_priority_max sys_sched_get_priority_max __ia32_sys_sched_get_priority_max
160 i386 sched_get_priority_min sys_sched_get_priority_min __ia32_sys_sched_get_priority_min
161 i386 sched_rr_get_interval sys_sched_rr_get_interval __ia32_compat_sys_sched_rr_get_interval
162 i386 nanosleep sys_nanosleep __ia32_compat_sys_nanosleep
163 i386 mremap sys_mremap __ia32_sys_mremap
164 i386 setresuid sys_setresuid16 __ia32_sys_setresuid16
165 i386 getresuid sys_getresuid16 __ia32_sys_getresuid16
166 i386 vm86 sys_vm86 sys_ni_syscall
167 i386 query_module
168 i386 poll sys_poll
168 i386 poll sys_poll __ia32_sys_poll
169 i386 nfsservctl
170 i386 setresgid sys_setresgid16
171 i386 getresgid sys_getresgid16
172 i386 prctl sys_prctl
170 i386 setresgid sys_setresgid16 __ia32_sys_setresgid16
171 i386 getresgid sys_getresgid16 __ia32_sys_getresgid16
172 i386 prctl sys_prctl __ia32_sys_prctl
173 i386 rt_sigreturn sys_rt_sigreturn sys32_rt_sigreturn
174 i386 rt_sigaction sys_rt_sigaction compat_sys_rt_sigaction
175 i386 rt_sigprocmask sys_rt_sigprocmask
176 i386 rt_sigpending sys_rt_sigpending compat_sys_rt_sigpending
177 i386 rt_sigtimedwait sys_rt_sigtimedwait compat_sys_rt_sigtimedwait
178 i386 rt_sigqueueinfo sys_rt_sigqueueinfo compat_sys_rt_sigqueueinfo
179 i386 rt_sigsuspend sys_rt_sigsuspend
180 i386 pread64 sys_pread64 compat_sys_x86_pread
181 i386 pwrite64 sys_pwrite64 compat_sys_x86_pwrite
182 i386 chown sys_chown16
183 i386 getcwd sys_getcwd
184 i386 capget sys_capget
185 i386 capset sys_capset
186 i386 sigaltstack sys_sigaltstack compat_sys_sigaltstack
187 i386 sendfile sys_sendfile compat_sys_sendfile
174 i386 rt_sigaction sys_rt_sigaction __ia32_compat_sys_rt_sigaction
175 i386 rt_sigprocmask sys_rt_sigprocmask __ia32_sys_rt_sigprocmask
176 i386 rt_sigpending sys_rt_sigpending __ia32_compat_sys_rt_sigpending
177 i386 rt_sigtimedwait sys_rt_sigtimedwait __ia32_compat_sys_rt_sigtimedwait
178 i386 rt_sigqueueinfo sys_rt_sigqueueinfo __ia32_compat_sys_rt_sigqueueinfo
179 i386 rt_sigsuspend sys_rt_sigsuspend __ia32_sys_rt_sigsuspend
180 i386 pread64 sys_pread64 __ia32_compat_sys_x86_pread
181 i386 pwrite64 sys_pwrite64 __ia32_compat_sys_x86_pwrite
182 i386 chown sys_chown16 __ia32_sys_chown16
183 i386 getcwd sys_getcwd __ia32_sys_getcwd
184 i386 capget sys_capget __ia32_sys_capget
185 i386 capset sys_capset __ia32_sys_capset
186 i386 sigaltstack sys_sigaltstack __ia32_compat_sys_sigaltstack
187 i386 sendfile sys_sendfile __ia32_compat_sys_sendfile
188 i386 getpmsg
189 i386 putpmsg
190 i386 vfork sys_vfork
191 i386 ugetrlimit sys_getrlimit compat_sys_getrlimit
192 i386 mmap2 sys_mmap_pgoff
193 i386 truncate64 sys_truncate64 compat_sys_x86_truncate64
194 i386 ftruncate64 sys_ftruncate64 compat_sys_x86_ftruncate64
195 i386 stat64 sys_stat64 compat_sys_x86_stat64
196 i386 lstat64 sys_lstat64 compat_sys_x86_lstat64
197 i386 fstat64 sys_fstat64 compat_sys_x86_fstat64
198 i386 lchown32 sys_lchown
199 i386 getuid32 sys_getuid
200 i386 getgid32 sys_getgid
201 i386 geteuid32 sys_geteuid
202 i386 getegid32 sys_getegid
203 i386 setreuid32 sys_setreuid
204 i386 setregid32 sys_setregid
205 i386 getgroups32 sys_getgroups
206 i386 setgroups32 sys_setgroups
207 i386 fchown32 sys_fchown
208 i386 setresuid32 sys_setresuid
209 i386 getresuid32 sys_getresuid
210 i386 setresgid32 sys_setresgid
211 i386 getresgid32 sys_getresgid
212 i386 chown32 sys_chown
213 i386 setuid32 sys_setuid
214 i386 setgid32 sys_setgid
215 i386 setfsuid32 sys_setfsuid
216 i386 setfsgid32 sys_setfsgid
217 i386 pivot_root sys_pivot_root
218 i386 mincore sys_mincore
219 i386 madvise sys_madvise
220 i386 getdents64 sys_getdents64
221 i386 fcntl64 sys_fcntl64 compat_sys_fcntl64
190 i386 vfork sys_vfork __ia32_sys_vfork
191 i386 ugetrlimit sys_getrlimit __ia32_compat_sys_getrlimit
192 i386 mmap2 sys_mmap_pgoff __ia32_sys_mmap_pgoff
193 i386 truncate64 sys_truncate64 __ia32_compat_sys_x86_truncate64
194 i386 ftruncate64 sys_ftruncate64 __ia32_compat_sys_x86_ftruncate64
195 i386 stat64 sys_stat64 __ia32_compat_sys_x86_stat64
196 i386 lstat64 sys_lstat64 __ia32_compat_sys_x86_lstat64
197 i386 fstat64 sys_fstat64 __ia32_compat_sys_x86_fstat64
198 i386 lchown32 sys_lchown __ia32_sys_lchown
199 i386 getuid32 sys_getuid __ia32_sys_getuid
200 i386 getgid32 sys_getgid __ia32_sys_getgid
201 i386 geteuid32 sys_geteuid __ia32_sys_geteuid
202 i386 getegid32 sys_getegid __ia32_sys_getegid
203 i386 setreuid32 sys_setreuid __ia32_sys_setreuid
204 i386 setregid32 sys_setregid __ia32_sys_setregid
205 i386 getgroups32 sys_getgroups __ia32_sys_getgroups
206 i386 setgroups32 sys_setgroups __ia32_sys_setgroups
207 i386 fchown32 sys_fchown __ia32_sys_fchown
208 i386 setresuid32 sys_setresuid __ia32_sys_setresuid
209 i386 getresuid32 sys_getresuid __ia32_sys_getresuid
210 i386 setresgid32 sys_setresgid __ia32_sys_setresgid
211 i386 getresgid32 sys_getresgid __ia32_sys_getresgid
212 i386 chown32 sys_chown __ia32_sys_chown
213 i386 setuid32 sys_setuid __ia32_sys_setuid
214 i386 setgid32 sys_setgid __ia32_sys_setgid
215 i386 setfsuid32 sys_setfsuid __ia32_sys_setfsuid
216 i386 setfsgid32 sys_setfsgid __ia32_sys_setfsgid
217 i386 pivot_root sys_pivot_root __ia32_sys_pivot_root
218 i386 mincore sys_mincore __ia32_sys_mincore
219 i386 madvise sys_madvise __ia32_sys_madvise
220 i386 getdents64 sys_getdents64 __ia32_sys_getdents64
221 i386 fcntl64 sys_fcntl64 __ia32_compat_sys_fcntl64
# 222 is unused
# 223 is unused
224 i386 gettid sys_gettid
225 i386 readahead sys_readahead compat_sys_x86_readahead
226 i386 setxattr sys_setxattr
227 i386 lsetxattr sys_lsetxattr
228 i386 fsetxattr sys_fsetxattr
229 i386 getxattr sys_getxattr
230 i386 lgetxattr sys_lgetxattr
231 i386 fgetxattr sys_fgetxattr
232 i386 listxattr sys_listxattr
233 i386 llistxattr sys_llistxattr
234 i386 flistxattr sys_flistxattr
235 i386 removexattr sys_removexattr
236 i386 lremovexattr sys_lremovexattr
237 i386 fremovexattr sys_fremovexattr
238 i386 tkill sys_tkill
239 i386 sendfile64 sys_sendfile64
240 i386 futex sys_futex compat_sys_futex
241 i386 sched_setaffinity sys_sched_setaffinity compat_sys_sched_setaffinity
242 i386 sched_getaffinity sys_sched_getaffinity compat_sys_sched_getaffinity
243 i386 set_thread_area sys_set_thread_area
244 i386 get_thread_area sys_get_thread_area
245 i386 io_setup sys_io_setup compat_sys_io_setup
246 i386 io_destroy sys_io_destroy
247 i386 io_getevents sys_io_getevents compat_sys_io_getevents
248 i386 io_submit sys_io_submit compat_sys_io_submit
249 i386 io_cancel sys_io_cancel
250 i386 fadvise64 sys_fadvise64 compat_sys_x86_fadvise64
224 i386 gettid sys_gettid __ia32_sys_gettid
225 i386 readahead sys_readahead __ia32_compat_sys_x86_readahead
226 i386 setxattr sys_setxattr __ia32_sys_setxattr
227 i386 lsetxattr sys_lsetxattr __ia32_sys_lsetxattr
228 i386 fsetxattr sys_fsetxattr __ia32_sys_fsetxattr
229 i386 getxattr sys_getxattr __ia32_sys_getxattr
230 i386 lgetxattr sys_lgetxattr __ia32_sys_lgetxattr
231 i386 fgetxattr sys_fgetxattr __ia32_sys_fgetxattr
232 i386 listxattr sys_listxattr __ia32_sys_listxattr
233 i386 llistxattr sys_llistxattr __ia32_sys_llistxattr
234 i386 flistxattr sys_flistxattr __ia32_sys_flistxattr
235 i386 removexattr sys_removexattr __ia32_sys_removexattr
236 i386 lremovexattr sys_lremovexattr __ia32_sys_lremovexattr
237 i386 fremovexattr sys_fremovexattr __ia32_sys_fremovexattr
238 i386 tkill sys_tkill __ia32_sys_tkill
239 i386 sendfile64 sys_sendfile64 __ia32_sys_sendfile64
240 i386 futex sys_futex __ia32_compat_sys_futex
241 i386 sched_setaffinity sys_sched_setaffinity __ia32_compat_sys_sched_setaffinity
242 i386 sched_getaffinity sys_sched_getaffinity __ia32_compat_sys_sched_getaffinity
243 i386 set_thread_area sys_set_thread_area __ia32_sys_set_thread_area
244 i386 get_thread_area sys_get_thread_area __ia32_sys_get_thread_area
245 i386 io_setup sys_io_setup __ia32_compat_sys_io_setup
246 i386 io_destroy sys_io_destroy __ia32_sys_io_destroy
247 i386 io_getevents sys_io_getevents __ia32_compat_sys_io_getevents
248 i386 io_submit sys_io_submit __ia32_compat_sys_io_submit
249 i386 io_cancel sys_io_cancel __ia32_sys_io_cancel
250 i386 fadvise64 sys_fadvise64 __ia32_compat_sys_x86_fadvise64
# 251 is available for reuse (was briefly sys_set_zone_reclaim)
252 i386 exit_group sys_exit_group
253 i386 lookup_dcookie sys_lookup_dcookie compat_sys_lookup_dcookie
254 i386 epoll_create sys_epoll_create
255 i386 epoll_ctl sys_epoll_ctl
256 i386 epoll_wait sys_epoll_wait
257 i386 remap_file_pages sys_remap_file_pages
258 i386 set_tid_address sys_set_tid_address
259 i386 timer_create sys_timer_create compat_sys_timer_create
260 i386 timer_settime sys_timer_settime compat_sys_timer_settime
261 i386 timer_gettime sys_timer_gettime compat_sys_timer_gettime
262 i386 timer_getoverrun sys_timer_getoverrun
263 i386 timer_delete sys_timer_delete
264 i386 clock_settime sys_clock_settime compat_sys_clock_settime
265 i386 clock_gettime sys_clock_gettime compat_sys_clock_gettime
266 i386 clock_getres sys_clock_getres compat_sys_clock_getres
267 i386 clock_nanosleep sys_clock_nanosleep compat_sys_clock_nanosleep
268 i386 statfs64 sys_statfs64 compat_sys_statfs64
269 i386 fstatfs64 sys_fstatfs64 compat_sys_fstatfs64
270 i386 tgkill sys_tgkill
271 i386 utimes sys_utimes compat_sys_utimes
272 i386 fadvise64_64 sys_fadvise64_64 compat_sys_x86_fadvise64_64
252 i386 exit_group sys_exit_group __ia32_sys_exit_group
253 i386 lookup_dcookie sys_lookup_dcookie __ia32_compat_sys_lookup_dcookie
254 i386 epoll_create sys_epoll_create __ia32_sys_epoll_create
255 i386 epoll_ctl sys_epoll_ctl __ia32_sys_epoll_ctl
256 i386 epoll_wait sys_epoll_wait __ia32_sys_epoll_wait
257 i386 remap_file_pages sys_remap_file_pages __ia32_sys_remap_file_pages
258 i386 set_tid_address sys_set_tid_address __ia32_sys_set_tid_address
259 i386 timer_create sys_timer_create __ia32_compat_sys_timer_create
260 i386 timer_settime sys_timer_settime __ia32_compat_sys_timer_settime
261 i386 timer_gettime sys_timer_gettime __ia32_compat_sys_timer_gettime
262 i386 timer_getoverrun sys_timer_getoverrun __ia32_sys_timer_getoverrun
263 i386 timer_delete sys_timer_delete __ia32_sys_timer_delete
264 i386 clock_settime sys_clock_settime __ia32_compat_sys_clock_settime
265 i386 clock_gettime sys_clock_gettime __ia32_compat_sys_clock_gettime
266 i386 clock_getres sys_clock_getres __ia32_compat_sys_clock_getres
267 i386 clock_nanosleep sys_clock_nanosleep __ia32_compat_sys_clock_nanosleep
268 i386 statfs64 sys_statfs64 __ia32_compat_sys_statfs64
269 i386 fstatfs64 sys_fstatfs64 __ia32_compat_sys_fstatfs64
270 i386 tgkill sys_tgkill __ia32_sys_tgkill
271 i386 utimes sys_utimes __ia32_compat_sys_utimes
272 i386 fadvise64_64 sys_fadvise64_64 __ia32_compat_sys_x86_fadvise64_64
273 i386 vserver
274 i386 mbind sys_mbind
275 i386 get_mempolicy sys_get_mempolicy compat_sys_get_mempolicy
276 i386 set_mempolicy sys_set_mempolicy
277 i386 mq_open sys_mq_open compat_sys_mq_open
278 i386 mq_unlink sys_mq_unlink
279 i386 mq_timedsend sys_mq_timedsend compat_sys_mq_timedsend
280 i386 mq_timedreceive sys_mq_timedreceive compat_sys_mq_timedreceive
281 i386 mq_notify sys_mq_notify compat_sys_mq_notify
282 i386 mq_getsetattr sys_mq_getsetattr compat_sys_mq_getsetattr
283 i386 kexec_load sys_kexec_load compat_sys_kexec_load
284 i386 waitid sys_waitid compat_sys_waitid
274 i386 mbind sys_mbind __ia32_sys_mbind
275 i386 get_mempolicy sys_get_mempolicy __ia32_compat_sys_get_mempolicy
276 i386 set_mempolicy sys_set_mempolicy __ia32_sys_set_mempolicy
277 i386 mq_open sys_mq_open __ia32_compat_sys_mq_open
278 i386 mq_unlink sys_mq_unlink __ia32_sys_mq_unlink
279 i386 mq_timedsend sys_mq_timedsend __ia32_compat_sys_mq_timedsend
280 i386 mq_timedreceive sys_mq_timedreceive __ia32_compat_sys_mq_timedreceive
281 i386 mq_notify sys_mq_notify __ia32_compat_sys_mq_notify
282 i386 mq_getsetattr sys_mq_getsetattr __ia32_compat_sys_mq_getsetattr
283 i386 kexec_load sys_kexec_load __ia32_compat_sys_kexec_load
284 i386 waitid sys_waitid __ia32_compat_sys_waitid
# 285 sys_setaltroot
286 i386 add_key sys_add_key
287 i386 request_key sys_request_key
288 i386 keyctl sys_keyctl compat_sys_keyctl
289 i386 ioprio_set sys_ioprio_set
290 i386 ioprio_get sys_ioprio_get
291 i386 inotify_init sys_inotify_init
292 i386 inotify_add_watch sys_inotify_add_watch
293 i386 inotify_rm_watch sys_inotify_rm_watch
294 i386 migrate_pages sys_migrate_pages
295 i386 openat sys_openat compat_sys_openat
296 i386 mkdirat sys_mkdirat
297 i386 mknodat sys_mknodat
298 i386 fchownat sys_fchownat
299 i386 futimesat sys_futimesat compat_sys_futimesat
300 i386 fstatat64 sys_fstatat64 compat_sys_x86_fstatat
301 i386 unlinkat sys_unlinkat
302 i386 renameat sys_renameat
303 i386 linkat sys_linkat
304 i386 symlinkat sys_symlinkat
305 i386 readlinkat sys_readlinkat
306 i386 fchmodat sys_fchmodat
307 i386 faccessat sys_faccessat
308 i386 pselect6 sys_pselect6 compat_sys_pselect6
309 i386 ppoll sys_ppoll compat_sys_ppoll
310 i386 unshare sys_unshare
311 i386 set_robust_list sys_set_robust_list compat_sys_set_robust_list
312 i386 get_robust_list sys_get_robust_list compat_sys_get_robust_list
313 i386 splice sys_splice
314 i386 sync_file_range sys_sync_file_range compat_sys_x86_sync_file_range
315 i386 tee sys_tee
316 i386 vmsplice sys_vmsplice compat_sys_vmsplice
317 i386 move_pages sys_move_pages compat_sys_move_pages
318 i386 getcpu sys_getcpu
319 i386 epoll_pwait sys_epoll_pwait
320 i386 utimensat sys_utimensat compat_sys_utimensat
321 i386 signalfd sys_signalfd compat_sys_signalfd
322 i386 timerfd_create sys_timerfd_create
323 i386 eventfd sys_eventfd
324 i386 fallocate sys_fallocate compat_sys_x86_fallocate
325 i386 timerfd_settime sys_timerfd_settime compat_sys_timerfd_settime
326 i386 timerfd_gettime sys_timerfd_gettime compat_sys_timerfd_gettime
327 i386 signalfd4 sys_signalfd4 compat_sys_signalfd4
328 i386 eventfd2 sys_eventfd2
329 i386 epoll_create1 sys_epoll_create1
330 i386 dup3 sys_dup3
331 i386 pipe2 sys_pipe2
332 i386 inotify_init1 sys_inotify_init1
333 i386 preadv sys_preadv compat_sys_preadv
334 i386 pwritev sys_pwritev compat_sys_pwritev
335 i386 rt_tgsigqueueinfo sys_rt_tgsigqueueinfo compat_sys_rt_tgsigqueueinfo
336 i386 perf_event_open sys_perf_event_open
337 i386 recvmmsg sys_recvmmsg compat_sys_recvmmsg
338 i386 fanotify_init sys_fanotify_init
339 i386 fanotify_mark sys_fanotify_mark compat_sys_fanotify_mark
340 i386 prlimit64 sys_prlimit64
341 i386 name_to_handle_at sys_name_to_handle_at
342 i386 open_by_handle_at sys_open_by_handle_at compat_sys_open_by_handle_at
343 i386 clock_adjtime sys_clock_adjtime compat_sys_clock_adjtime
344 i386 syncfs sys_syncfs
345 i386 sendmmsg sys_sendmmsg compat_sys_sendmmsg
346 i386 setns sys_setns
347 i386 process_vm_readv sys_process_vm_readv compat_sys_process_vm_readv
348 i386 process_vm_writev sys_process_vm_writev compat_sys_process_vm_writev
349 i386 kcmp sys_kcmp
350 i386 finit_module sys_finit_module
351 i386 sched_setattr sys_sched_setattr
352 i386 sched_getattr sys_sched_getattr
353 i386 renameat2 sys_renameat2
354 i386 seccomp sys_seccomp
355 i386 getrandom sys_getrandom
356 i386 memfd_create sys_memfd_create
357 i386 bpf sys_bpf
358 i386 execveat sys_execveat compat_sys_execveat
359 i386 socket sys_socket
360 i386 socketpair sys_socketpair
361 i386 bind sys_bind
362 i386 connect sys_connect
363 i386 listen sys_listen
364 i386 accept4 sys_accept4
365 i386 getsockopt sys_getsockopt compat_sys_getsockopt
366 i386 setsockopt sys_setsockopt compat_sys_setsockopt
367 i386 getsockname sys_getsockname
368 i386 getpeername sys_getpeername
369 i386 sendto sys_sendto
370 i386 sendmsg sys_sendmsg compat_sys_sendmsg
371 i386 recvfrom sys_recvfrom compat_sys_recvfrom
372 i386 recvmsg sys_recvmsg compat_sys_recvmsg
373 i386 shutdown sys_shutdown
374 i386 userfaultfd sys_userfaultfd
375 i386 membarrier sys_membarrier
376 i386 mlock2 sys_mlock2
377 i386 copy_file_range sys_copy_file_range
378 i386 preadv2 sys_preadv2 compat_sys_preadv2
379 i386 pwritev2 sys_pwritev2 compat_sys_pwritev2
380 i386 pkey_mprotect sys_pkey_mprotect
381 i386 pkey_alloc sys_pkey_alloc
382 i386 pkey_free sys_pkey_free
383 i386 statx sys_statx
384 i386 arch_prctl sys_arch_prctl compat_sys_arch_prctl
286 i386 add_key sys_add_key __ia32_sys_add_key
287 i386 request_key sys_request_key __ia32_sys_request_key
288 i386 keyctl sys_keyctl __ia32_compat_sys_keyctl
289 i386 ioprio_set sys_ioprio_set __ia32_sys_ioprio_set
290 i386 ioprio_get sys_ioprio_get __ia32_sys_ioprio_get
291 i386 inotify_init sys_inotify_init __ia32_sys_inotify_init
292 i386 inotify_add_watch sys_inotify_add_watch __ia32_sys_inotify_add_watch
293 i386 inotify_rm_watch sys_inotify_rm_watch __ia32_sys_inotify_rm_watch
294 i386 migrate_pages sys_migrate_pages __ia32_sys_migrate_pages
295 i386 openat sys_openat __ia32_compat_sys_openat
296 i386 mkdirat sys_mkdirat __ia32_sys_mkdirat
297 i386 mknodat sys_mknodat __ia32_sys_mknodat
298 i386 fchownat sys_fchownat __ia32_sys_fchownat
299 i386 futimesat sys_futimesat __ia32_compat_sys_futimesat
300 i386 fstatat64 sys_fstatat64 __ia32_compat_sys_x86_fstatat
301 i386 unlinkat sys_unlinkat __ia32_sys_unlinkat
302 i386 renameat sys_renameat __ia32_sys_renameat
303 i386 linkat sys_linkat __ia32_sys_linkat
304 i386 symlinkat sys_symlinkat __ia32_sys_symlinkat
305 i386 readlinkat sys_readlinkat __ia32_sys_readlinkat
306 i386 fchmodat sys_fchmodat __ia32_sys_fchmodat
307 i386 faccessat sys_faccessat __ia32_sys_faccessat
308 i386 pselect6 sys_pselect6 __ia32_compat_sys_pselect6
309 i386 ppoll sys_ppoll __ia32_compat_sys_ppoll
310 i386 unshare sys_unshare __ia32_sys_unshare
311 i386 set_robust_list sys_set_robust_list __ia32_compat_sys_set_robust_list
312 i386 get_robust_list sys_get_robust_list __ia32_compat_sys_get_robust_list
313 i386 splice sys_splice __ia32_sys_splice
314 i386 sync_file_range sys_sync_file_range __ia32_compat_sys_x86_sync_file_range
315 i386 tee sys_tee __ia32_sys_tee
316 i386 vmsplice sys_vmsplice __ia32_compat_sys_vmsplice
317 i386 move_pages sys_move_pages __ia32_compat_sys_move_pages
318 i386 getcpu sys_getcpu __ia32_sys_getcpu
319 i386 epoll_pwait sys_epoll_pwait __ia32_sys_epoll_pwait
320 i386 utimensat sys_utimensat __ia32_compat_sys_utimensat
321 i386 signalfd sys_signalfd __ia32_compat_sys_signalfd
322 i386 timerfd_create sys_timerfd_create __ia32_sys_timerfd_create
323 i386 eventfd sys_eventfd __ia32_sys_eventfd
324 i386 fallocate sys_fallocate __ia32_compat_sys_x86_fallocate
325 i386 timerfd_settime sys_timerfd_settime __ia32_compat_sys_timerfd_settime
326 i386 timerfd_gettime sys_timerfd_gettime __ia32_compat_sys_timerfd_gettime
327 i386 signalfd4 sys_signalfd4 __ia32_compat_sys_signalfd4
328 i386 eventfd2 sys_eventfd2 __ia32_sys_eventfd2
329 i386 epoll_create1 sys_epoll_create1 __ia32_sys_epoll_create1
330 i386 dup3 sys_dup3 __ia32_sys_dup3
331 i386 pipe2 sys_pipe2 __ia32_sys_pipe2
332 i386 inotify_init1 sys_inotify_init1 __ia32_sys_inotify_init1
333 i386 preadv sys_preadv __ia32_compat_sys_preadv
334 i386 pwritev sys_pwritev __ia32_compat_sys_pwritev
335 i386 rt_tgsigqueueinfo sys_rt_tgsigqueueinfo __ia32_compat_sys_rt_tgsigqueueinfo
336 i386 perf_event_open sys_perf_event_open __ia32_sys_perf_event_open
337 i386 recvmmsg sys_recvmmsg __ia32_compat_sys_recvmmsg
338 i386 fanotify_init sys_fanotify_init __ia32_sys_fanotify_init
339 i386 fanotify_mark sys_fanotify_mark __ia32_compat_sys_fanotify_mark
340 i386 prlimit64 sys_prlimit64 __ia32_sys_prlimit64
341 i386 name_to_handle_at sys_name_to_handle_at __ia32_sys_name_to_handle_at
342 i386 open_by_handle_at sys_open_by_handle_at __ia32_compat_sys_open_by_handle_at
343 i386 clock_adjtime sys_clock_adjtime __ia32_compat_sys_clock_adjtime
344 i386 syncfs sys_syncfs __ia32_sys_syncfs
345 i386 sendmmsg sys_sendmmsg __ia32_compat_sys_sendmmsg
346 i386 setns sys_setns __ia32_sys_setns
347 i386 process_vm_readv sys_process_vm_readv __ia32_compat_sys_process_vm_readv
348 i386 process_vm_writev sys_process_vm_writev __ia32_compat_sys_process_vm_writev
349 i386 kcmp sys_kcmp __ia32_sys_kcmp
350 i386 finit_module sys_finit_module __ia32_sys_finit_module
351 i386 sched_setattr sys_sched_setattr __ia32_sys_sched_setattr
352 i386 sched_getattr sys_sched_getattr __ia32_sys_sched_getattr
353 i386 renameat2 sys_renameat2 __ia32_sys_renameat2
354 i386 seccomp sys_seccomp __ia32_sys_seccomp
355 i386 getrandom sys_getrandom __ia32_sys_getrandom
356 i386 memfd_create sys_memfd_create __ia32_sys_memfd_create
357 i386 bpf sys_bpf __ia32_sys_bpf
358 i386 execveat sys_execveat __ia32_compat_sys_execveat
359 i386 socket sys_socket __ia32_sys_socket
360 i386 socketpair sys_socketpair __ia32_sys_socketpair
361 i386 bind sys_bind __ia32_sys_bind
362 i386 connect sys_connect __ia32_sys_connect
363 i386 listen sys_listen __ia32_sys_listen
364 i386 accept4 sys_accept4 __ia32_sys_accept4
365 i386 getsockopt sys_getsockopt __ia32_compat_sys_getsockopt
366 i386 setsockopt sys_setsockopt __ia32_compat_sys_setsockopt
367 i386 getsockname sys_getsockname __ia32_sys_getsockname
368 i386 getpeername sys_getpeername __ia32_sys_getpeername
369 i386 sendto sys_sendto __ia32_sys_sendto
370 i386 sendmsg sys_sendmsg __ia32_compat_sys_sendmsg
371 i386 recvfrom sys_recvfrom __ia32_compat_sys_recvfrom
372 i386 recvmsg sys_recvmsg __ia32_compat_sys_recvmsg
373 i386 shutdown sys_shutdown __ia32_sys_shutdown
374 i386 userfaultfd sys_userfaultfd __ia32_sys_userfaultfd
375 i386 membarrier sys_membarrier __ia32_sys_membarrier
376 i386 mlock2 sys_mlock2 __ia32_sys_mlock2
377 i386 copy_file_range sys_copy_file_range __ia32_sys_copy_file_range
378 i386 preadv2 sys_preadv2 __ia32_compat_sys_preadv2
379 i386 pwritev2 sys_pwritev2 __ia32_compat_sys_pwritev2
380 i386 pkey_mprotect sys_pkey_mprotect __ia32_sys_pkey_mprotect
381 i386 pkey_alloc sys_pkey_alloc __ia32_sys_pkey_alloc
382 i386 pkey_free sys_pkey_free __ia32_sys_pkey_free
383 i386 statx sys_statx __ia32_sys_statx
384 i386 arch_prctl sys_arch_prctl __ia32_compat_sys_arch_prctl

712
arch/x86/entry/syscalls/syscall_64.tbl
View File

@ -4,379 +4,383 @@
# The format is:
# <number> <abi> <name> <entry point>
#
# The __x64_sys_*() stubs are created on-the-fly for sys_*() system calls
#
# The abi is "common", "64" or "x32" for this file.
#
0 common read sys_read
1 common write sys_write
2 common open sys_open
3 common close sys_close
4 common stat sys_newstat
5 common fstat sys_newfstat
6 common lstat sys_newlstat
7 common poll sys_poll
8 common lseek sys_lseek
9 common mmap sys_mmap
10 common mprotect sys_mprotect
11 common munmap sys_munmap
12 common brk sys_brk
13 64 rt_sigaction sys_rt_sigaction
14 common rt_sigprocmask sys_rt_sigprocmask
15 64 rt_sigreturn sys_rt_sigreturn/ptregs
16 64 ioctl sys_ioctl
17 common pread64 sys_pread64
18 common pwrite64 sys_pwrite64
19 64 readv sys_readv
20 64 writev sys_writev
21 common access sys_access
22 common pipe sys_pipe
23 common select sys_select
24 common sched_yield sys_sched_yield
25 common mremap sys_mremap
26 common msync sys_msync
27 common mincore sys_mincore
28 common madvise sys_madvise
29 common shmget sys_shmget
30 common shmat sys_shmat
31 common shmctl sys_shmctl
32 common dup sys_dup
33 common dup2 sys_dup2
34 common pause sys_pause
35 common nanosleep sys_nanosleep
36 common getitimer sys_getitimer
37 common alarm sys_alarm
38 common setitimer sys_setitimer
39 common getpid sys_getpid
40 common sendfile sys_sendfile64
41 common socket sys_socket
42 common connect sys_connect
43 common accept sys_accept
44 common sendto sys_sendto
45 64 recvfrom sys_recvfrom
46 64 sendmsg sys_sendmsg
47 64 recvmsg sys_recvmsg
48 common shutdown sys_shutdown
49 common bind sys_bind
50 common listen sys_listen
51 common getsockname sys_getsockname
52 common getpeername sys_getpeername
53 common socketpair sys_socketpair
54 64 setsockopt sys_setsockopt
55 64 getsockopt sys_getsockopt
56 common clone sys_clone/ptregs
57 common fork sys_fork/ptregs
58 common vfork sys_vfork/ptregs
59 64 execve sys_execve/ptregs
60 common exit sys_exit
61 common wait4 sys_wait4
62 common kill sys_kill
63 common uname sys_newuname
64 common semget sys_semget
65 common semop sys_semop
66 common semctl sys_semctl
67 common shmdt sys_shmdt
68 common msgget sys_msgget
69 common msgsnd sys_msgsnd
70 common msgrcv sys_msgrcv
71 common msgctl sys_msgctl
72 common fcntl sys_fcntl
73 common flock sys_flock
74 common fsync sys_fsync
75 common fdatasync sys_fdatasync
76 common truncate sys_truncate
77 common ftruncate sys_ftruncate
78 common getdents sys_getdents
79 common getcwd sys_getcwd
80 common chdir sys_chdir
81 common fchdir sys_fchdir
82 common rename sys_rename
83 common mkdir sys_mkdir
84 common rmdir sys_rmdir
85 common creat sys_creat
86 common link sys_link
87 common unlink sys_unlink
88 common symlink sys_symlink
89 common readlink sys_readlink
90 common chmod sys_chmod
91 common fchmod sys_fchmod
92 common chown sys_chown
93 common fchown sys_fchown
94 common lchown sys_lchown
95 common umask sys_umask
96 common gettimeofday sys_gettimeofday
97 common getrlimit sys_getrlimit
98 common getrusage sys_getrusage
99 common sysinfo sys_sysinfo
100 common times sys_times
101 64 ptrace sys_ptrace
102 common getuid sys_getuid
103 common syslog sys_syslog
104 common getgid sys_getgid
105 common setuid sys_setuid
106 common setgid sys_setgid
107 common geteuid sys_geteuid
108 common getegid sys_getegid
109 common setpgid sys_setpgid
110 common getppid sys_getppid
111 common getpgrp sys_getpgrp
112 common setsid sys_setsid
113 common setreuid sys_setreuid
114 common setregid sys_setregid
115 common getgroups sys_getgroups
116 common setgroups sys_setgroups
117 common setresuid sys_setresuid
118 common getresuid sys_getresuid
119 common setresgid sys_setresgid
120 common getresgid sys_getresgid
121 common getpgid sys_getpgid
122 common setfsuid sys_setfsuid
123 common setfsgid sys_setfsgid
124 common getsid sys_getsid
125 common capget sys_capget
126 common capset sys_capset
127 64 rt_sigpending sys_rt_sigpending
128 64 rt_sigtimedwait sys_rt_sigtimedwait
129 64 rt_sigqueueinfo sys_rt_sigqueueinfo
130 common rt_sigsuspend sys_rt_sigsuspend
131 64 sigaltstack sys_sigaltstack
132 common utime sys_utime
133 common mknod sys_mknod
0 common read __x64_sys_read
1 common write __x64_sys_write
2 common open __x64_sys_open
3 common close __x64_sys_close
4 common stat __x64_sys_newstat
5 common fstat __x64_sys_newfstat
6 common lstat __x64_sys_newlstat
7 common poll __x64_sys_poll
8 common lseek __x64_sys_lseek
9 common mmap __x64_sys_mmap
10 common mprotect __x64_sys_mprotect
11 common munmap __x64_sys_munmap
12 common brk __x64_sys_brk
13 64 rt_sigaction __x64_sys_rt_sigaction
14 common rt_sigprocmask __x64_sys_rt_sigprocmask
15 64 rt_sigreturn __x64_sys_rt_sigreturn/ptregs
16 64 ioctl __x64_sys_ioctl
17 common pread64 __x64_sys_pread64
18 common pwrite64 __x64_sys_pwrite64
19 64 readv __x64_sys_readv
20 64 writev __x64_sys_writev
21 common access __x64_sys_access
22 common pipe __x64_sys_pipe
23 common select __x64_sys_select
24 common sched_yield __x64_sys_sched_yield
25 common mremap __x64_sys_mremap
26 common msync __x64_sys_msync
27 common mincore __x64_sys_mincore
28 common madvise __x64_sys_madvise
29 common shmget __x64_sys_shmget
30 common shmat __x64_sys_shmat
31 common shmctl __x64_sys_shmctl
32 common dup __x64_sys_dup
33 common dup2 __x64_sys_dup2
34 common pause __x64_sys_pause
35 common nanosleep __x64_sys_nanosleep
36 common getitimer __x64_sys_getitimer
37 common alarm __x64_sys_alarm
38 common setitimer __x64_sys_setitimer
39 common getpid __x64_sys_getpid
40 common sendfile __x64_sys_sendfile64
41 common socket __x64_sys_socket
42 common connect __x64_sys_connect
43 common accept __x64_sys_accept
44 common sendto __x64_sys_sendto
45 64 recvfrom __x64_sys_recvfrom
46 64 sendmsg __x64_sys_sendmsg
47 64 recvmsg __x64_sys_recvmsg
48 common shutdown __x64_sys_shutdown
49 common bind __x64_sys_bind
50 common listen __x64_sys_listen
51 common getsockname __x64_sys_getsockname
52 common getpeername __x64_sys_getpeername
53 common socketpair __x64_sys_socketpair
54 64 setsockopt __x64_sys_setsockopt
55 64 getsockopt __x64_sys_getsockopt
56 common clone __x64_sys_clone/ptregs
57 common fork __x64_sys_fork/ptregs
58 common vfork __x64_sys_vfork/ptregs
59 64 execve __x64_sys_execve/ptregs
60 common exit __x64_sys_exit
61 common wait4 __x64_sys_wait4
62 common kill __x64_sys_kill
63 common uname __x64_sys_newuname
64 common semget __x64_sys_semget
65 common semop __x64_sys_semop
66 common semctl __x64_sys_semctl
67 common shmdt __x64_sys_shmdt
68 common msgget __x64_sys_msgget
69 common msgsnd __x64_sys_msgsnd
70 common msgrcv __x64_sys_msgrcv
71 common msgctl __x64_sys_msgctl
72 common fcntl __x64_sys_fcntl
73 common flock __x64_sys_flock
74 common fsync __x64_sys_fsync
75 common fdatasync __x64_sys_fdatasync
76 common truncate __x64_sys_truncate
77 common ftruncate __x64_sys_ftruncate
78 common getdents __x64_sys_getdents
79 common getcwd __x64_sys_getcwd
80 common chdir __x64_sys_chdir
81 common fchdir __x64_sys_fchdir
82 common rename __x64_sys_rename
83 common mkdir __x64_sys_mkdir
84 common rmdir __x64_sys_rmdir
85 common creat __x64_sys_creat
86 common link __x64_sys_link
87 common unlink __x64_sys_unlink
88 common symlink __x64_sys_symlink
89 common readlink __x64_sys_readlink
90 common chmod __x64_sys_chmod
91 common fchmod __x64_sys_fchmod
92 common chown __x64_sys_chown
93 common fchown __x64_sys_fchown
94 common lchown __x64_sys_lchown
95 common umask __x64_sys_umask
96 common gettimeofday __x64_sys_gettimeofday
97 common getrlimit __x64_sys_getrlimit
98 common getrusage __x64_sys_getrusage
99 common sysinfo __x64_sys_sysinfo
100 common times __x64_sys_times
101 64 ptrace __x64_sys_ptrace
102 common getuid __x64_sys_getuid
103 common syslog __x64_sys_syslog
104 common getgid __x64_sys_getgid
105 common setuid __x64_sys_setuid
106 common setgid __x64_sys_setgid
107 common geteuid __x64_sys_geteuid
108 common getegid __x64_sys_getegid
109 common setpgid __x64_sys_setpgid
110 common getppid __x64_sys_getppid
111 common getpgrp __x64_sys_getpgrp
112 common setsid __x64_sys_setsid
113 common setreuid __x64_sys_setreuid
114 common setregid __x64_sys_setregid
115 common getgroups __x64_sys_getgroups
116 common setgroups __x64_sys_setgroups
117 common setresuid __x64_sys_setresuid
118 common getresuid __x64_sys_getresuid
119 common setresgid __x64_sys_setresgid
120 common getresgid __x64_sys_getresgid
121 common getpgid __x64_sys_getpgid
122 common setfsuid __x64_sys_setfsuid
123 common setfsgid __x64_sys_setfsgid
124 common getsid __x64_sys_getsid
125 common capget __x64_sys_capget
126 common capset __x64_sys_capset
127 64 rt_sigpending __x64_sys_rt_sigpending
128 64 rt_sigtimedwait __x64_sys_rt_sigtimedwait
129 64 rt_sigqueueinfo __x64_sys_rt_sigqueueinfo
130 common rt_sigsuspend __x64_sys_rt_sigsuspend
131 64 sigaltstack __x64_sys_sigaltstack
132 common utime __x64_sys_utime
133 common mknod __x64_sys_mknod
134 64 uselib
135 common personality sys_personality
136 common ustat sys_ustat
137 common statfs sys_statfs
138 common fstatfs sys_fstatfs
139 common sysfs sys_sysfs
140 common getpriority sys_getpriority
141 common setpriority sys_setpriority
142 common sched_setparam sys_sched_setparam
143 common sched_getparam sys_sched_getparam
144 common sched_setscheduler sys_sched_setscheduler
145 common sched_getscheduler sys_sched_getscheduler
146 common sched_get_priority_max sys_sched_get_priority_max
147 common sched_get_priority_min sys_sched_get_priority_min
148 common sched_rr_get_interval sys_sched_rr_get_interval
149 common mlock sys_mlock
150 common munlock sys_munlock
151 common mlockall sys_mlockall
152 common munlockall sys_munlockall
153 common vhangup sys_vhangup
154 common modify_ldt sys_modify_ldt
155 common pivot_root sys_pivot_root
156 64 _sysctl sys_sysctl
157 common prctl sys_prctl
158 common arch_prctl sys_arch_prctl
159 common adjtimex sys_adjtimex
160 common setrlimit sys_setrlimit
161 common chroot sys_chroot
162 common sync sys_sync
163 common acct sys_acct
164 common settimeofday sys_settimeofday
165 common mount sys_mount
166 common umount2 sys_umount
167 common swapon sys_swapon
168 common swapoff sys_swapoff
169 common reboot sys_reboot
170 common sethostname sys_sethostname
171 common setdomainname sys_setdomainname
172 common iopl sys_iopl/ptregs
173 common ioperm sys_ioperm
135 common personality __x64_sys_personality
136 common ustat __x64_sys_ustat
137 common statfs __x64_sys_statfs
138 common fstatfs __x64_sys_fstatfs
139 common sysfs __x64_sys_sysfs
140 common getpriority __x64_sys_getpriority
141 common setpriority __x64_sys_setpriority
142 common sched_setparam __x64_sys_sched_setparam
143 common sched_getparam __x64_sys_sched_getparam
144 common sched_setscheduler __x64_sys_sched_setscheduler
145 common sched_getscheduler __x64_sys_sched_getscheduler
146 common sched_get_priority_max __x64_sys_sched_get_priority_max
147 common sched_get_priority_min __x64_sys_sched_get_priority_min
148 common sched_rr_get_interval __x64_sys_sched_rr_get_interval
149 common mlock __x64_sys_mlock
150 common munlock __x64_sys_munlock
151 common mlockall __x64_sys_mlockall
152 common munlockall __x64_sys_munlockall
153 common vhangup __x64_sys_vhangup
154 common modify_ldt __x64_sys_modify_ldt
155 common pivot_root __x64_sys_pivot_root
156 64 _sysctl __x64_sys_sysctl
157 common prctl __x64_sys_prctl
158 common arch_prctl __x64_sys_arch_prctl
159 common adjtimex __x64_sys_adjtimex
160 common setrlimit __x64_sys_setrlimit
161 common chroot __x64_sys_chroot
162 common sync __x64_sys_sync
163 common acct __x64_sys_acct
164 common settimeofday __x64_sys_settimeofday
165 common mount __x64_sys_mount
166 common umount2 __x64_sys_umount
167 common swapon __x64_sys_swapon
168 common swapoff __x64_sys_swapoff
169 common reboot __x64_sys_reboot
170 common sethostname __x64_sys_sethostname
171 common setdomainname __x64_sys_setdomainname
172 common iopl __x64_sys_iopl/ptregs
173 common ioperm __x64_sys_ioperm
174 64 create_module
175 common init_module sys_init_module
176 common delete_module sys_delete_module
175 common init_module __x64_sys_init_module
176 common delete_module __x64_sys_delete_module
177 64 get_kernel_syms
178 64 query_module
179 common quotactl sys_quotactl
179 common quotactl __x64_sys_quotactl
180 64 nfsservctl
181 common getpmsg
182 common putpmsg
183 common afs_syscall
184 common tuxcall
185 common security
186 common gettid sys_gettid
187 common readahead sys_readahead
188 common setxattr sys_setxattr
189 common lsetxattr sys_lsetxattr
190 common fsetxattr sys_fsetxattr
191 common getxattr sys_getxattr
192 common lgetxattr sys_lgetxattr
193 common fgetxattr sys_fgetxattr
194 common listxattr sys_listxattr
195 common llistxattr sys_llistxattr
196 common flistxattr sys_flistxattr
197 common removexattr sys_removexattr
198 common lremovexattr sys_lremovexattr
199 common fremovexattr sys_fremovexattr
200 common tkill sys_tkill
201 common time sys_time
202 common futex sys_futex
203 common sched_setaffinity sys_sched_setaffinity
204 common sched_getaffinity sys_sched_getaffinity
186 common gettid __x64_sys_gettid
187 common readahead __x64_sys_readahead
188 common setxattr __x64_sys_setxattr
189 common lsetxattr __x64_sys_lsetxattr
190 common fsetxattr __x64_sys_fsetxattr
191 common getxattr __x64_sys_getxattr
192 common lgetxattr __x64_sys_lgetxattr
193 common fgetxattr __x64_sys_fgetxattr
194 common listxattr __x64_sys_listxattr
195 common llistxattr __x64_sys_llistxattr
196 common flistxattr __x64_sys_flistxattr
197 common removexattr __x64_sys_removexattr
198 common lremovexattr __x64_sys_lremovexattr
199 common fremovexattr __x64_sys_fremovexattr
200 common tkill __x64_sys_tkill
201 common time __x64_sys_time
202 common futex __x64_sys_futex
203 common sched_setaffinity __x64_sys_sched_setaffinity
204 common sched_getaffinity __x64_sys_sched_getaffinity
205 64 set_thread_area
206 64 io_setup sys_io_setup
207 common io_destroy sys_io_destroy
208 common io_getevents sys_io_getevents
209 64 io_submit sys_io_submit
210 common io_cancel sys_io_cancel
206 64 io_setup __x64_sys_io_setup
207 common io_destroy __x64_sys_io_destroy
208 common io_getevents __x64_sys_io_getevents
209 64 io_submit __x64_sys_io_submit
210 common io_cancel __x64_sys_io_cancel
211 64 get_thread_area
212 common lookup_dcookie sys_lookup_dcookie
213 common epoll_create sys_epoll_create
212 common lookup_dcookie __x64_sys_lookup_dcookie
213 common epoll_create __x64_sys_epoll_create
214 64 epoll_ctl_old
215 64 epoll_wait_old
216 common remap_file_pages sys_remap_file_pages
217 common getdents64 sys_getdents64
218 common set_tid_address sys_set_tid_address
219 common restart_syscall sys_restart_syscall
220 common semtimedop sys_semtimedop
221 common fadvise64 sys_fadvise64
222 64 timer_create sys_timer_create
223 common timer_settime sys_timer_settime
224 common timer_gettime sys_timer_gettime
225 common timer_getoverrun sys_timer_getoverrun
226 common timer_delete sys_timer_delete
227 common clock_settime sys_clock_settime
228 common clock_gettime sys_clock_gettime
229 common clock_getres sys_clock_getres
230 common clock_nanosleep sys_clock_nanosleep
231 common exit_group sys_exit_group
232 common epoll_wait sys_epoll_wait
233 common epoll_ctl sys_epoll_ctl
234 common tgkill sys_tgkill
235 common utimes sys_utimes
216 common remap_file_pages __x64_sys_remap_file_pages
217 common getdents64 __x64_sys_getdents64
218 common set_tid_address __x64_sys_set_tid_address
219 common restart_syscall __x64_sys_restart_syscall
220 common semtimedop __x64_sys_semtimedop
221 common fadvise64 __x64_sys_fadvise64
222 64 timer_create __x64_sys_timer_create
223 common timer_settime __x64_sys_timer_settime
224 common timer_gettime __x64_sys_timer_gettime
225 common timer_getoverrun __x64_sys_timer_getoverrun
226 common timer_delete __x64_sys_timer_delete
227 common clock_settime __x64_sys_clock_settime
228 common clock_gettime __x64_sys_clock_gettime
229 common clock_getres __x64_sys_clock_getres
230 common clock_nanosleep __x64_sys_clock_nanosleep
231 common exit_group __x64_sys_exit_group
232 common epoll_wait __x64_sys_epoll_wait
233 common epoll_ctl __x64_sys_epoll_ctl
234 common tgkill __x64_sys_tgkill
235 common utimes __x64_sys_utimes
236 64 vserver
237 common mbind sys_mbind
238 common set_mempolicy sys_set_mempolicy
239 common get_mempolicy sys_get_mempolicy
240 common mq_open sys_mq_open
241 common mq_unlink sys_mq_unlink
242 common mq_timedsend sys_mq_timedsend
243 common mq_timedreceive sys_mq_timedreceive
244 64 mq_notify sys_mq_notify
245 common mq_getsetattr sys_mq_getsetattr
246 64 kexec_load sys_kexec_load
247 64 waitid sys_waitid
248 common add_key sys_add_key
249 common request_key sys_request_key
250 common keyctl sys_keyctl
251 common ioprio_set sys_ioprio_set
252 common ioprio_get sys_ioprio_get
253 common inotify_init sys_inotify_init
254 common inotify_add_watch sys_inotify_add_watch
255 common inotify_rm_watch sys_inotify_rm_watch
256 common migrate_pages sys_migrate_pages
257 common openat sys_openat
258 common mkdirat sys_mkdirat
259 common mknodat sys_mknodat
260 common fchownat sys_fchownat
261 common futimesat sys_futimesat
262 common newfstatat sys_newfstatat
263 common unlinkat sys_unlinkat
264 common renameat sys_renameat
265 common linkat sys_linkat
266 common symlinkat sys_symlinkat
267 common readlinkat sys_readlinkat
268 common fchmodat sys_fchmodat
269 common faccessat sys_faccessat
270 common pselect6 sys_pselect6
271 common ppoll sys_ppoll
272 common unshare sys_unshare
273 64 set_robust_list sys_set_robust_list
274 64 get_robust_list sys_get_robust_list
275 common splice sys_splice
276 common tee sys_tee
277 common sync_file_range sys_sync_file_range
278 64 vmsplice sys_vmsplice
279 64 move_pages sys_move_pages
280 common utimensat sys_utimensat
281 common epoll_pwait sys_epoll_pwait
282 common signalfd sys_signalfd
283 common timerfd_create sys_timerfd_create
284 common eventfd sys_eventfd
285 common fallocate sys_fallocate
286 common timerfd_settime sys_timerfd_settime
287 common timerfd_gettime sys_timerfd_gettime
288 common accept4 sys_accept4
289 common signalfd4 sys_signalfd4
290 common eventfd2 sys_eventfd2
291 common epoll_create1 sys_epoll_create1
292 common dup3 sys_dup3
293 common pipe2 sys_pipe2
294 common inotify_init1 sys_inotify_init1
295 64 preadv sys_preadv
296 64 pwritev sys_pwritev
297 64 rt_tgsigqueueinfo sys_rt_tgsigqueueinfo
298 common perf_event_open sys_perf_event_open
299 64 recvmmsg sys_recvmmsg
300 common fanotify_init sys_fanotify_init
301 common fanotify_mark sys_fanotify_mark
302 common prlimit64 sys_prlimit64
303 common name_to_handle_at sys_name_to_handle_at
304 common open_by_handle_at sys_open_by_handle_at
305 common clock_adjtime sys_clock_adjtime
306 common syncfs sys_syncfs
307 64 sendmmsg sys_sendmmsg
308 common setns sys_setns
309 common getcpu sys_getcpu
310 64 process_vm_readv sys_process_vm_readv
311 64 process_vm_writev sys_process_vm_writev
312 common kcmp sys_kcmp
313 common finit_module sys_finit_module
314 common sched_setattr sys_sched_setattr
315 common sched_getattr sys_sched_getattr
316 common renameat2 sys_renameat2
317 common seccomp sys_seccomp
318 common getrandom sys_getrandom
319 common memfd_create sys_memfd_create
320 common kexec_file_load sys_kexec_file_load
321 common bpf sys_bpf
322 64 execveat sys_execveat/ptregs
323 common userfaultfd sys_userfaultfd
324 common membarrier sys_membarrier
325 common mlock2 sys_mlock2
326 common copy_file_range sys_copy_file_range
327 64 preadv2 sys_preadv2
328 64 pwritev2 sys_pwritev2
329 common pkey_mprotect sys_pkey_mprotect
330 common pkey_alloc sys_pkey_alloc
331 common pkey_free sys_pkey_free
332 common statx sys_statx
237 common mbind __x64_sys_mbind
238 common set_mempolicy __x64_sys_set_mempolicy
239 common get_mempolicy __x64_sys_get_mempolicy
240 common mq_open __x64_sys_mq_open
241 common mq_unlink __x64_sys_mq_unlink
242 common mq_timedsend __x64_sys_mq_timedsend
243 common mq_timedreceive __x64_sys_mq_timedreceive
244 64 mq_notify __x64_sys_mq_notify
245 common mq_getsetattr __x64_sys_mq_getsetattr
246 64 kexec_load __x64_sys_kexec_load
247 64 waitid __x64_sys_waitid
248 common add_key __x64_sys_add_key
249 common request_key __x64_sys_request_key
250 common keyctl __x64_sys_keyctl
251 common ioprio_set __x64_sys_ioprio_set
252 common ioprio_get __x64_sys_ioprio_get
253 common inotify_init __x64_sys_inotify_init
254 common inotify_add_watch __x64_sys_inotify_add_watch
255 common inotify_rm_watch __x64_sys_inotify_rm_watch
256 common migrate_pages __x64_sys_migrate_pages
257 common openat __x64_sys_openat
258 common mkdirat __x64_sys_mkdirat
259 common mknodat __x64_sys_mknodat
260 common fchownat __x64_sys_fchownat
261 common futimesat __x64_sys_futimesat
262 common newfstatat __x64_sys_newfstatat
263 common unlinkat __x64_sys_unlinkat
264 common renameat __x64_sys_renameat
265 common linkat __x64_sys_linkat
266 common symlinkat __x64_sys_symlinkat
267 common readlinkat __x64_sys_readlinkat
268 common fchmodat __x64_sys_fchmodat
269 common faccessat __x64_sys_faccessat
270 common pselect6 __x64_sys_pselect6
271 common ppoll __x64_sys_ppoll
272 common unshare __x64_sys_unshare
273 64 set_robust_list __x64_sys_set_robust_list
274 64 get_robust_list __x64_sys_get_robust_list
275 common splice __x64_sys_splice
276 common tee __x64_sys_tee
277 common sync_file_range __x64_sys_sync_file_range
278 64 vmsplice __x64_sys_vmsplice
279 64 move_pages __x64_sys_move_pages
280 common utimensat __x64_sys_utimensat
281 common epoll_pwait __x64_sys_epoll_pwait
282 common signalfd __x64_sys_signalfd
283 common timerfd_create __x64_sys_timerfd_create
284 common eventfd __x64_sys_eventfd
285 common fallocate __x64_sys_fallocate
286 common timerfd_settime __x64_sys_timerfd_settime
287 common timerfd_gettime __x64_sys_timerfd_gettime
288 common accept4 __x64_sys_accept4
289 common signalfd4 __x64_sys_signalfd4
290 common eventfd2 __x64_sys_eventfd2
291 common epoll_create1 __x64_sys_epoll_create1
292 common dup3 __x64_sys_dup3
293 common pipe2 __x64_sys_pipe2
294 common inotify_init1 __x64_sys_inotify_init1
295 64 preadv __x64_sys_preadv
296 64 pwritev __x64_sys_pwritev
297 64 rt_tgsigqueueinfo __x64_sys_rt_tgsigqueueinfo
298 common perf_event_open __x64_sys_perf_event_open
299 64 recvmmsg __x64_sys_recvmmsg
300 common fanotify_init __x64_sys_fanotify_init
301 common fanotify_mark __x64_sys_fanotify_mark
302 common prlimit64 __x64_sys_prlimit64
303 common name_to_handle_at __x64_sys_name_to_handle_at
304 common open_by_handle_at __x64_sys_open_by_handle_at
305 common clock_adjtime __x64_sys_clock_adjtime
306 common syncfs __x64_sys_syncfs
307 64 sendmmsg __x64_sys_sendmmsg
308 common setns __x64_sys_setns
309 common getcpu __x64_sys_getcpu
310 64 process_vm_readv __x64_sys_process_vm_readv
311 64 process_vm_writev __x64_sys_process_vm_writev
312 common kcmp __x64_sys_kcmp
313 common finit_module __x64_sys_finit_module
314 common sched_setattr __x64_sys_sched_setattr
315 common sched_getattr __x64_sys_sched_getattr
316 common renameat2 __x64_sys_renameat2
317 common seccomp __x64_sys_seccomp
318 common getrandom __x64_sys_getrandom
319 common memfd_create __x64_sys_memfd_create
320 common kexec_file_load __x64_sys_kexec_file_load
321 common bpf __x64_sys_bpf
322 64 execveat __x64_sys_execveat/ptregs
323 common userfaultfd __x64_sys_userfaultfd
324 common membarrier __x64_sys_membarrier
325 common mlock2 __x64_sys_mlock2
326 common copy_file_range __x64_sys_copy_file_range
327 64 preadv2 __x64_sys_preadv2
328 64 pwritev2 __x64_sys_pwritev2
329 common pkey_mprotect __x64_sys_pkey_mprotect
330 common pkey_alloc __x64_sys_pkey_alloc
331 common pkey_free __x64_sys_pkey_free
332 common statx __x64_sys_statx
#
# x32-specific system call numbers start at 512 to avoid cache impact
# for native 64-bit operation.
# for native 64-bit operation. The __x32_compat_sys stubs are created
# on-the-fly for compat_sys_*() compatibility system calls if X86_X32
# is defined.
#
512 x32 rt_sigaction compat_sys_rt_sigaction
512 x32 rt_sigaction __x32_compat_sys_rt_sigaction
513 x32 rt_sigreturn sys32_x32_rt_sigreturn
514 x32 ioctl compat_sys_ioctl
515 x32 readv compat_sys_readv
516 x32 writev compat_sys_writev
517 x32 recvfrom compat_sys_recvfrom
518 x32 sendmsg compat_sys_sendmsg
519 x32 recvmsg compat_sys_recvmsg
520 x32 execve compat_sys_execve/ptregs
521 x32 ptrace compat_sys_ptrace
522 x32 rt_sigpending compat_sys_rt_sigpending
523 x32 rt_sigtimedwait compat_sys_rt_sigtimedwait
524 x32 rt_sigqueueinfo compat_sys_rt_sigqueueinfo
525 x32 sigaltstack compat_sys_sigaltstack
526 x32 timer_create compat_sys_timer_create
527 x32 mq_notify compat_sys_mq_notify
528 x32 kexec_load compat_sys_kexec_load
529 x32 waitid compat_sys_waitid
530 x32 set_robust_list compat_sys_set_robust_list
531 x32 get_robust_list compat_sys_get_robust_list
532 x32 vmsplice compat_sys_vmsplice
533 x32 move_pages compat_sys_move_pages
534 x32 preadv compat_sys_preadv64
535 x32 pwritev compat_sys_pwritev64
536 x32 rt_tgsigqueueinfo compat_sys_rt_tgsigqueueinfo
537 x32 recvmmsg compat_sys_recvmmsg
538 x32 sendmmsg compat_sys_sendmmsg
539 x32 process_vm_readv compat_sys_process_vm_readv
540 x32 process_vm_writev compat_sys_process_vm_writev
541 x32 setsockopt compat_sys_setsockopt
542 x32 getsockopt compat_sys_getsockopt
543 x32 io_setup compat_sys_io_setup
544 x32 io_submit compat_sys_io_submit
545 x32 execveat compat_sys_execveat/ptregs
546 x32 preadv2 compat_sys_preadv64v2
547 x32 pwritev2 compat_sys_pwritev64v2
514 x32 ioctl __x32_compat_sys_ioctl
515 x32 readv __x32_compat_sys_readv
516 x32 writev __x32_compat_sys_writev
517 x32 recvfrom __x32_compat_sys_recvfrom
518 x32 sendmsg __x32_compat_sys_sendmsg
519 x32 recvmsg __x32_compat_sys_recvmsg
520 x32 execve __x32_compat_sys_execve/ptregs
521 x32 ptrace __x32_compat_sys_ptrace
522 x32 rt_sigpending __x32_compat_sys_rt_sigpending
523 x32 rt_sigtimedwait __x32_compat_sys_rt_sigtimedwait
524 x32 rt_sigqueueinfo __x32_compat_sys_rt_sigqueueinfo
525 x32 sigaltstack __x32_compat_sys_sigaltstack
526 x32 timer_create __x32_compat_sys_timer_create
527 x32 mq_notify __x32_compat_sys_mq_notify
528 x32 kexec_load __x32_compat_sys_kexec_load
529 x32 waitid __x32_compat_sys_waitid
530 x32 set_robust_list __x32_compat_sys_set_robust_list
531 x32 get_robust_list __x32_compat_sys_get_robust_list
532 x32 vmsplice __x32_compat_sys_vmsplice
533 x32 move_pages __x32_compat_sys_move_pages
534 x32 preadv __x32_compat_sys_preadv64
535 x32 pwritev __x32_compat_sys_pwritev64
536 x32 rt_tgsigqueueinfo __x32_compat_sys_rt_tgsigqueueinfo
537 x32 recvmmsg __x32_compat_sys_recvmmsg
538 x32 sendmmsg __x32_compat_sys_sendmmsg
539 x32 process_vm_readv __x32_compat_sys_process_vm_readv
540 x32 process_vm_writev __x32_compat_sys_process_vm_writev
541 x32 setsockopt __x32_compat_sys_setsockopt
542 x32 getsockopt __x32_compat_sys_getsockopt
543 x32 io_setup __x32_compat_sys_io_setup
544 x32 io_submit __x32_compat_sys_io_submit
545 x32 execveat __x32_compat_sys_execveat/ptregs
546 x32 preadv2 __x32_compat_sys_preadv64v2
547 x32 pwritev2 __x32_compat_sys_pwritev64v2

14
arch/x86/entry/syscalls/syscalltbl.sh
View File

@ -25,15 +25,27 @@ emit() {
nr="$2"
entry="$3"
compat="$4"
umlentry=""
if [ "$abi" = "64" -a -n "$compat" ]; then
echo "a compat entry for a 64-bit syscall makes no sense" >&2
exit 1
fi
# For CONFIG_UML, we need to strip the __x64_sys prefix
if [ "$abi" = "64" -a "${entry}" != "${entry#__x64_sys}" ]; then
umlentry="sys${entry#__x64_sys}"
fi
if [ -z "$compat" ]; then
if [ -n "$entry" ]; then
if [ -n "$entry" -a -z "$umlentry" ]; then
syscall_macro "$abi" "$nr" "$entry"
elif [ -n "$umlentry" ]; then # implies -n "$entry"
echo "#ifdef CONFIG_X86"
syscall_macro "$abi" "$nr" "$entry"
echo "#else /* CONFIG_UML */"
syscall_macro "$abi" "$nr" "$umlentry"
echo "#endif"
fi
else
echo "#ifdef CONFIG_X86_32"

18
arch/x86/entry/vsyscall/vsyscall_64.c
View File

@ -127,6 +127,7 @@ bool emulate_vsyscall(struct pt_regs *regs, unsigned long address)
int vsyscall_nr, syscall_nr, tmp;
int prev_sig_on_uaccess_err;
long ret;
unsigned long orig_dx;
/*
* No point in checking CS -- the only way to get here is a user mode
@ -227,19 +228,22 @@ bool emulate_vsyscall(struct pt_regs *regs, unsigned long address)
ret = -EFAULT;
switch (vsyscall_nr) {
case 0:
ret = sys_gettimeofday(
(struct timeval __user *)regs->di,
(struct timezone __user *)regs->si);
/* this decodes regs->di and regs->si on its own */
ret = __x64_sys_gettimeofday(regs);
break;
case 1:
ret = sys_time((time_t __user *)regs->di);
/* this decodes regs->di on its own */
ret = __x64_sys_time(regs);
break;
case 2:
ret = sys_getcpu((unsigned __user *)regs->di,
(unsigned __user *)regs->si,
NULL);
/* while we could clobber regs->dx, we didn't in the past... */
orig_dx = regs->dx;
regs->dx = 0;
/* this decodes regs->di, regs->si and regs->dx on its own */
ret = __x64_sys_getcpu(regs);
regs->dx = orig_dx;
break;
}

4
arch/x86/include/asm/apic.h
View File

@ -313,7 +313,7 @@ struct apic {
/* Probe, setup and smpboot functions */
int (*probe)(void);
int (*acpi_madt_oem_check)(char *oem_id, char *oem_table_id);
int (*apic_id_valid)(int apicid);
int (*apic_id_valid)(u32 apicid);
int (*apic_id_registered)(void);
bool (*check_apicid_used)(physid_mask_t *map, int apicid);
@ -486,7 +486,7 @@ static inline unsigned int read_apic_id(void)
return apic->get_apic_id(reg);
}
extern int default_apic_id_valid(int apicid);
extern int default_apic_id_valid(u32 apicid);
extern int default_acpi_madt_oem_check(char *, char *);
extern void default_setup_apic_routing(void);

4
arch/x86/include/asm/syscall.h
View File

@ -20,9 +20,13 @@
#include <asm/thread_info.h> /* for TS_COMPAT */
#include <asm/unistd.h>
#ifdef CONFIG_X86_64
typedef asmlinkage long (*sys_call_ptr_t)(const struct pt_regs *);
#else
typedef asmlinkage long (*sys_call_ptr_t)(unsigned long, unsigned long,
unsigned long, unsigned long,
unsigned long, unsigned long);
#endif /* CONFIG_X86_64 */
extern const sys_call_ptr_t sys_call_table[];
#if defined(CONFIG_X86_32)

209
arch/x86/include/asm/syscall_wrapper.h Normal file
View File

@ -0,0 +1,209 @@
/* SPDX-License-Identifier: GPL-2.0 */
/*
* syscall_wrapper.h - x86 specific wrappers to syscall definitions
*/
#ifndef _ASM_X86_SYSCALL_WRAPPER_H
#define _ASM_X86_SYSCALL_WRAPPER_H
/* Mapping of registers to parameters for syscalls on x86-64 and x32 */
#define SC_X86_64_REGS_TO_ARGS(x, ...) \
__MAP(x,__SC_ARGS \
,,regs->di,,regs->si,,regs->dx \
,,regs->r10,,regs->r8,,regs->r9) \
/* Mapping of registers to parameters for syscalls on i386 */
#define SC_IA32_REGS_TO_ARGS(x, ...) \
__MAP(x,__SC_ARGS \
,,(unsigned int)regs->bx,,(unsigned int)regs->cx \
,,(unsigned int)regs->dx,,(unsigned int)regs->si \
,,(unsigned int)regs->di,,(unsigned int)regs->bp)
#ifdef CONFIG_IA32_EMULATION
/*
* For IA32 emulation, we need to handle "compat" syscalls *and* create
* additional wrappers (aptly named __ia32_sys_xyzzy) which decode the
* ia32 regs in the proper order for shared or "common" syscalls. As some
* syscalls may not be implemented, we need to expand COND_SYSCALL in
* kernel/sys_ni.c and SYS_NI in kernel/time/posix-stubs.c to cover this
* case as well.
*/
#define __IA32_COMPAT_SYS_STUBx(x, name, ...) \
asmlinkage long __ia32_compat_sys##name(const struct pt_regs *regs);\
ALLOW_ERROR_INJECTION(__ia32_compat_sys##name, ERRNO); \
asmlinkage long __ia32_compat_sys##name(const struct pt_regs *regs)\
{ \
return __se_compat_sys##name(SC_IA32_REGS_TO_ARGS(x,__VA_ARGS__));\
} \
#define __IA32_SYS_STUBx(x, name, ...) \
asmlinkage long __ia32_sys##name(const struct pt_regs *regs); \
ALLOW_ERROR_INJECTION(__ia32_sys##name, ERRNO); \
asmlinkage long __ia32_sys##name(const struct pt_regs *regs) \
{ \
return __se_sys##name(SC_IA32_REGS_TO_ARGS(x,__VA_ARGS__));\
}
/*
* To keep the naming coherent, re-define SYSCALL_DEFINE0 to create an alias
* named __ia32_sys_*()
*/
#define SYSCALL_DEFINE0(sname) \
SYSCALL_METADATA(_##sname, 0); \
asmlinkage long __x64_sys_##sname(void); \
ALLOW_ERROR_INJECTION(__x64_sys_##sname, ERRNO); \
SYSCALL_ALIAS(__ia32_sys_##sname, __x64_sys_##sname); \
asmlinkage long __x64_sys_##sname(void)
#define COND_SYSCALL(name) \
cond_syscall(__x64_sys_##name); \
cond_syscall(__ia32_sys_##name)
#define SYS_NI(name) \
SYSCALL_ALIAS(__x64_sys_##name, sys_ni_posix_timers); \
SYSCALL_ALIAS(__ia32_sys_##name, sys_ni_posix_timers)
#else /* CONFIG_IA32_EMULATION */
#define __IA32_COMPAT_SYS_STUBx(x, name, ...)
#define __IA32_SYS_STUBx(x, fullname, name, ...)
#endif /* CONFIG_IA32_EMULATION */
#ifdef CONFIG_X86_X32
/*
* For the x32 ABI, we need to create a stub for compat_sys_*() which is aware
* of the x86-64-style parameter ordering of x32 syscalls. The syscalls common
* with x86_64 obviously do not need such care.
*/
#define __X32_COMPAT_SYS_STUBx(x, name, ...) \
asmlinkage long __x32_compat_sys##name(const struct pt_regs *regs);\
ALLOW_ERROR_INJECTION(__x32_compat_sys##name, ERRNO); \
asmlinkage long __x32_compat_sys##name(const struct pt_regs *regs)\
{ \
return __se_compat_sys##name(SC_X86_64_REGS_TO_ARGS(x,__VA_ARGS__));\
} \
#else /* CONFIG_X86_X32 */
#define __X32_COMPAT_SYS_STUBx(x, name, ...)
#endif /* CONFIG_X86_X32 */
#ifdef CONFIG_COMPAT
/*
* Compat means IA32_EMULATION and/or X86_X32. As they use a different
* mapping of registers to parameters, we need to generate stubs for each
* of them.
*/
#define COMPAT_SYSCALL_DEFINEx(x, name, ...) \
static long __se_compat_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__)); \
static inline long __do_compat_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__));\
__IA32_COMPAT_SYS_STUBx(x, name, __VA_ARGS__) \
__X32_COMPAT_SYS_STUBx(x, name, __VA_ARGS__) \
static long __se_compat_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__)) \
{ \
return __do_compat_sys##name(__MAP(x,__SC_DELOUSE,__VA_ARGS__));\
} \
static inline long __do_compat_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__))
/*
* As some compat syscalls may not be implemented, we need to expand
* COND_SYSCALL_COMPAT in kernel/sys_ni.c and COMPAT_SYS_NI in
* kernel/time/posix-stubs.c to cover this case as well.
*/
#define COND_SYSCALL_COMPAT(name) \
cond_syscall(__ia32_compat_sys_##name); \
cond_syscall(__x32_compat_sys_##name)
#define COMPAT_SYS_NI(name) \
SYSCALL_ALIAS(__ia32_compat_sys_##name, sys_ni_posix_timers); \
SYSCALL_ALIAS(__x32_compat_sys_##name, sys_ni_posix_timers)
#endif /* CONFIG_COMPAT */
/*
* Instead of the generic __SYSCALL_DEFINEx() definition, this macro takes
* struct pt_regs *regs as the only argument of the syscall stub named
* __x64_sys_*(). It decodes just the registers it needs and passes them on to
* the __se_sys_*() wrapper performing sign extension and then to the
* __do_sys_*() function doing the actual job. These wrappers and functions
* are inlined (at least in very most cases), meaning that the assembly looks
* as follows (slightly re-ordered for better readability):
*
* <__x64_sys_recv>: <-- syscall with 4 parameters
* callq <__fentry__>
*
* mov 0x70(%rdi),%rdi <-- decode regs->di
* mov 0x68(%rdi),%rsi <-- decode regs->si
* mov 0x60(%rdi),%rdx <-- decode regs->dx
* mov 0x38(%rdi),%rcx <-- decode regs->r10
*
* xor %r9d,%r9d <-- clear %r9
* xor %r8d,%r8d <-- clear %r8
*
* callq __sys_recvfrom <-- do the actual work in __sys_recvfrom()
* which takes 6 arguments
*
* cltq <-- extend return value to 64-bit
* retq <-- return
*
* This approach avoids leaking random user-provided register content down
* the call chain.
*
* If IA32_EMULATION is enabled, this macro generates an additional wrapper
* named __ia32_sys_*() which decodes the struct pt_regs *regs according
* to the i386 calling convention (bx, cx, dx, si, di, bp).
*/
#define __SYSCALL_DEFINEx(x, name, ...) \
asmlinkage long __x64_sys##name(const struct pt_regs *regs); \
ALLOW_ERROR_INJECTION(__x64_sys##name, ERRNO); \
static long __se_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__)); \
static inline long __do_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__));\
asmlinkage long __x64_sys##name(const struct pt_regs *regs) \
{ \
return __se_sys##name(SC_X86_64_REGS_TO_ARGS(x,__VA_ARGS__));\
} \
__IA32_SYS_STUBx(x, name, __VA_ARGS__) \
static long __se_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__)) \
{ \
long ret = __do_sys##name(__MAP(x,__SC_CAST,__VA_ARGS__));\
__MAP(x,__SC_TEST,__VA_ARGS__); \
__PROTECT(x, ret,__MAP(x,__SC_ARGS,__VA_ARGS__)); \
return ret; \
} \
static inline long __do_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__))
/*
* As the generic SYSCALL_DEFINE0() macro does not decode any parameters for
* obvious reasons, and passing struct pt_regs *regs to it in %rdi does not
* hurt, we only need to re-define it here to keep the naming congruent to
* SYSCALL_DEFINEx() -- which is essential for the COND_SYSCALL() and SYS_NI()
* macros to work correctly.
*/
#ifndef SYSCALL_DEFINE0
#define SYSCALL_DEFINE0(sname) \
SYSCALL_METADATA(_##sname, 0); \
asmlinkage long __x64_sys_##sname(void); \
ALLOW_ERROR_INJECTION(__x64_sys_##sname, ERRNO); \
asmlinkage long __x64_sys_##sname(void)
#endif
#ifndef COND_SYSCALL
#define COND_SYSCALL(name) cond_syscall(__x64_sys_##name)
#endif
#ifndef SYS_NI
#define SYS_NI(name) SYSCALL_ALIAS(__x64_sys_##name, sys_ni_posix_timers);
#endif
/*
* For VSYSCALLS, we need to declare these three syscalls with the new
* pt_regs-based calling convention for in-kernel use.
*/
struct pt_regs;
asmlinkage long __x64_sys_getcpu(const struct pt_regs *regs);
asmlinkage long __x64_sys_gettimeofday(const struct pt_regs *regs);
asmlinkage long __x64_sys_time(const struct pt_regs *regs);
#endif /* _ASM_X86_SYSCALL_WRAPPER_H */

17
arch/x86/include/asm/syscalls.h
View File

@ -18,6 +18,12 @@
/* Common in X86_32 and X86_64 */
/* kernel/ioport.c */
long ksys_ioperm(unsigned long from, unsigned long num, int turn_on);
#ifdef CONFIG_X86_32
/*
* These definitions are only valid on pure 32-bit systems; x86-64 uses a
* different syscall calling convention
*/
asmlinkage long sys_ioperm(unsigned long, unsigned long, int);
asmlinkage long sys_iopl(unsigned int);
@ -32,7 +38,6 @@ asmlinkage long sys_set_thread_area(struct user_desc __user *);
asmlinkage long sys_get_thread_area(struct user_desc __user *);
/* X86_32 only */
#ifdef CONFIG_X86_32
/* kernel/signal.c */
asmlinkage long sys_sigreturn(void);
@ -42,15 +47,5 @@ struct vm86_struct;
asmlinkage long sys_vm86old(struct vm86_struct __user *);
asmlinkage long sys_vm86(unsigned long, unsigned long);
#else /* CONFIG_X86_32 */
/* X86_64 only */
/* kernel/process_64.c */
asmlinkage long sys_arch_prctl(int, unsigned long);
/* kernel/sys_x86_64.c */
asmlinkage long sys_mmap(unsigned long, unsigned long, unsigned long,
unsigned long, unsigned long, unsigned long);
#endif /* CONFIG_X86_32 */
#endif /* _ASM_X86_SYSCALLS_H */

13
arch/x86/kernel/acpi/boot.c
View File

@ -200,7 +200,7 @@ acpi_parse_x2apic(struct acpi_subtable_header *header, const unsigned long end)
{
struct acpi_madt_local_x2apic *processor = NULL;
#ifdef CONFIG_X86_X2APIC
int apic_id;
u32 apic_id;
u8 enabled;
#endif
@ -222,10 +222,13 @@ acpi_parse_x2apic(struct acpi_subtable_header *header, const unsigned long end)
* to not preallocating memory for all NR_CPUS
* when we use CPU hotplug.
*/
if (!apic->apic_id_valid(apic_id) && enabled)
printk(KERN_WARNING PREFIX "x2apic entry ignored\n");
else
acpi_register_lapic(apic_id, processor->uid, enabled);
if (!apic->apic_id_valid(apic_id)) {
if (enabled)
pr_warn(PREFIX "x2apic entry ignored\n");
return 0;
}
acpi_register_lapic(apic_id, processor->uid, enabled);
#else
printk(KERN_WARNING PREFIX "x2apic entry ignored\n");
#endif

2
arch/x86/kernel/apic/apic_common.c
View File

@ -40,7 +40,7 @@ int default_check_phys_apicid_present(int phys_apicid)
return physid_isset(phys_apicid, phys_cpu_present_map);
}
int default_apic_id_valid(int apicid)
int default_apic_id_valid(u32 apicid)
{
return (apicid < 255);
}

2
arch/x86/kernel/apic/apic_numachip.c
View File

@ -56,7 +56,7 @@ static u32 numachip2_set_apic_id(unsigned int id)
return id << 24;
}
static int numachip_apic_id_valid(int apicid)
static int numachip_apic_id_valid(u32 apicid)
{
/* Trust what bootloader passes in MADT */
return 1;

2
arch/x86/kernel/apic/x2apic.h
View File

@ -1,6 +1,6 @@
/* Common bits for X2APIC cluster/physical modes. */
int x2apic_apic_id_valid(int apicid);
int x2apic_apic_id_valid(u32 apicid);
int x2apic_apic_id_registered(void);
void __x2apic_send_IPI_dest(unsigned int apicid, int vector, unsigned int dest);
unsigned int x2apic_get_apic_id(unsigned long id);

2
arch/x86/kernel/apic/x2apic_phys.c
View File

@ -101,7 +101,7 @@ static int x2apic_phys_probe(void)
}
/* Common x2apic functions, also used by x2apic_cluster */
int x2apic_apic_id_valid(int apicid)
int x2apic_apic_id_valid(u32 apicid)
{
return 1;
}

2
arch/x86/kernel/apic/x2apic_uv_x.c
View File

@ -557,7 +557,7 @@ static void uv_send_IPI_all(int vector)
uv_send_IPI_mask(cpu_online_mask, vector);
}
static int uv_apic_id_valid(int apicid)
static int uv_apic_id_valid(u32 apicid)
{
return 1;
}

32
arch/x86/kernel/cpu/common.c
View File

@ -848,18 +848,6 @@ void get_cpu_cap(struct cpuinfo_x86 *c)
c->x86_power = edx;
}
if (c->extended_cpuid_level >= 0x80000008) {
cpuid(0x80000008, &eax, &ebx, &ecx, &edx);
c->x86_virt_bits = (eax >> 8) & 0xff;
c->x86_phys_bits = eax & 0xff;
c->x86_capability[CPUID_8000_0008_EBX] = ebx;
}
#ifdef CONFIG_X86_32
else if (cpu_has(c, X86_FEATURE_PAE) || cpu_has(c, X86_FEATURE_PSE36))
c->x86_phys_bits = 36;
#endif
if (c->extended_cpuid_level >= 0x8000000a)
c->x86_capability[CPUID_8000_000A_EDX] = cpuid_edx(0x8000000a);
@ -874,6 +862,23 @@ void get_cpu_cap(struct cpuinfo_x86 *c)
apply_forced_caps(c);
}
static void get_cpu_address_sizes(struct cpuinfo_x86 *c)
{
u32 eax, ebx, ecx, edx;
if (c->extended_cpuid_level >= 0x80000008) {
cpuid(0x80000008, &eax, &ebx, &ecx, &edx);
c->x86_virt_bits = (eax >> 8) & 0xff;
c->x86_phys_bits = eax & 0xff;
c->x86_capability[CPUID_8000_0008_EBX] = ebx;
}
#ifdef CONFIG_X86_32
else if (cpu_has(c, X86_FEATURE_PAE) || cpu_has(c, X86_FEATURE_PSE36))
c->x86_phys_bits = 36;
#endif
}
static void identify_cpu_without_cpuid(struct cpuinfo_x86 *c)
{
#ifdef CONFIG_X86_32
@ -965,6 +970,7 @@ static void __init early_identify_cpu(struct cpuinfo_x86 *c)
cpu_detect(c);
get_cpu_vendor(c);
get_cpu_cap(c);
get_cpu_address_sizes(c);
setup_force_cpu_cap(X86_FEATURE_CPUID);
if (this_cpu->c_early_init)
@ -1097,6 +1103,8 @@ static void generic_identify(struct cpuinfo_x86 *c)
get_cpu_cap(c);
get_cpu_address_sizes(c);
if (c->cpuid_level >= 0x00000001) {
c->initial_apicid = (cpuid_ebx(1) >> 24) & 0xFF;
#ifdef CONFIG_X86_32

2
arch/x86/kernel/cpu/cpuid-deps.c
View File

@ -19,7 +19,7 @@ struct cpuid_dep {
* called from cpu hotplug. It shouldn't do anything in this case,
* but it's difficult to tell that to the init reference checker.
*/
const static struct cpuid_dep cpuid_deps[] = {
static const struct cpuid_dep cpuid_deps[] = {
{ X86_FEATURE_XSAVEOPT, X86_FEATURE_XSAVE },
{ X86_FEATURE_XSAVEC, X86_FEATURE_XSAVE },
{ X86_FEATURE_XSAVES, X86_FEATURE_XSAVE },

2
arch/x86/xen/apic.c
View File

@ -112,7 +112,7 @@ static int xen_madt_oem_check(char *oem_id, char *oem_table_id)
return xen_pv_domain();
}
static int xen_id_always_valid(int apicid)
static int xen_id_always_valid(u32 apicid)
{
return 1;
}

51
include/linux/compat.h
View File

@ -24,6 +24,17 @@
#include <asm/siginfo.h>
#include <asm/signal.h>
#ifdef CONFIG_ARCH_HAS_SYSCALL_WRAPPER
/*
* It may be useful for an architecture to override the definitions of the
* COMPAT_SYSCALL_DEFINE0 and COMPAT_SYSCALL_DEFINEx() macros, in particular
* to use a different calling convention for syscalls. To allow for that,
+ the prototypes for the compat_sys_*() functions below will *not* be included
* if CONFIG_ARCH_HAS_SYSCALL_WRAPPER is enabled.
*/
#include <asm/syscall_wrapper.h>
#endif /* CONFIG_ARCH_HAS_SYSCALL_WRAPPER */
#ifndef COMPAT_USE_64BIT_TIME
#define COMPAT_USE_64BIT_TIME 0
#endif
@ -32,10 +43,12 @@
#define __SC_DELOUSE(t,v) ((__force t)(unsigned long)(v))
#endif
#ifndef COMPAT_SYSCALL_DEFINE0
#define COMPAT_SYSCALL_DEFINE0(name) \
asmlinkage long compat_sys_##name(void); \
ALLOW_ERROR_INJECTION(compat_sys_##name, ERRNO); \
asmlinkage long compat_sys_##name(void)
#endif /* COMPAT_SYSCALL_DEFINE0 */
#define COMPAT_SYSCALL_DEFINE1(name, ...) \
COMPAT_SYSCALL_DEFINEx(1, _##name, __VA_ARGS__)
@ -50,18 +63,25 @@
#define COMPAT_SYSCALL_DEFINE6(name, ...) \
COMPAT_SYSCALL_DEFINEx(6, _##name, __VA_ARGS__)
#define COMPAT_SYSCALL_DEFINEx(x, name, ...) \
asmlinkage long compat_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__));\
asmlinkage long compat_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__))\
__attribute__((alias(__stringify(compat_SyS##name)))); \
ALLOW_ERROR_INJECTION(compat_sys##name, ERRNO); \
static inline long C_SYSC##name(__MAP(x,__SC_DECL,__VA_ARGS__));\
asmlinkage long compat_SyS##name(__MAP(x,__SC_LONG,__VA_ARGS__));\
asmlinkage long compat_SyS##name(__MAP(x,__SC_LONG,__VA_ARGS__))\
{ \
return C_SYSC##name(__MAP(x,__SC_DELOUSE,__VA_ARGS__)); \
} \
static inline long C_SYSC##name(__MAP(x,__SC_DECL,__VA_ARGS__))
/*
* The asmlinkage stub is aliased to a function named __se_compat_sys_*() which
* sign-extends 32-bit ints to longs whenever needed. The actual work is
* done within __do_compat_sys_*().
*/
#ifndef COMPAT_SYSCALL_DEFINEx
#define COMPAT_SYSCALL_DEFINEx(x, name, ...) \
asmlinkage long compat_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__)); \
asmlinkage long compat_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__)) \
__attribute__((alias(__stringify(__se_compat_sys##name)))); \
ALLOW_ERROR_INJECTION(compat_sys##name, ERRNO); \
static inline long __do_compat_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__));\
asmlinkage long __se_compat_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__)); \
asmlinkage long __se_compat_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__)) \
{ \
return __do_compat_sys##name(__MAP(x,__SC_DELOUSE,__VA_ARGS__));\
} \
static inline long __do_compat_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__))
#endif /* COMPAT_SYSCALL_DEFINEx */
#ifndef compat_user_stack_pointer
#define compat_user_stack_pointer() current_user_stack_pointer()
@ -519,7 +539,12 @@ int __compat_save_altstack(compat_stack_t __user *, unsigned long);
* Please note that these prototypes here are only provided for information
* purposes, for static analysis, and for linking from the syscall table.
* These functions should not be called elsewhere from kernel code.
*
* As the syscall calling convention may be different from the default
* for architectures overriding the syscall calling convention, do not
* include the prototypes if CONFIG_ARCH_HAS_SYSCALL_WRAPPER is enabled.
*/
#ifndef CONFIG_ARCH_HAS_SYSCALL_WRAPPER
asmlinkage long compat_sys_io_setup(unsigned nr_reqs, u32 __user *ctx32p);
asmlinkage long compat_sys_io_submit(compat_aio_context_t ctx_id, int nr,
u32 __user *iocb);
@ -957,6 +982,8 @@ asmlinkage long compat_sys_stime(compat_time_t __user *tptr);
/* obsolete: net/socket.c */
asmlinkage long compat_sys_socketcall(int call, u32 __user *args);
#endif /* CONFIG_ARCH_HAS_SYSCALL_WRAPPER */
/*
* For most but not all architectures, "am I in a compat syscall?" and

42
include/linux/syscalls.h
View File

@ -81,6 +81,17 @@ union bpf_attr;
#include <linux/key.h>
#include <trace/syscall.h>
#ifdef CONFIG_ARCH_HAS_SYSCALL_WRAPPER
/*
* It may be useful for an architecture to override the definitions of the
* SYSCALL_DEFINE0() and __SYSCALL_DEFINEx() macros, in particular to use a
* different calling convention for syscalls. To allow for that, the prototypes
* for the sys_*() functions below will *not* be included if
* CONFIG_ARCH_HAS_SYSCALL_WRAPPER is enabled.
*/
#include <asm/syscall_wrapper.h>
#endif /* CONFIG_ARCH_HAS_SYSCALL_WRAPPER */
/*
* __MAP - apply a macro to syscall arguments
* __MAP(n, m, t1, a1, t2, a2, ..., tn, an) will expand to
@ -91,7 +102,7 @@ union bpf_attr;
* for SYSCALL_DEFINE<n>/COMPAT_SYSCALL_DEFINE<n>
*/
#define __MAP0(m,...)
#define __MAP1(m,t,a) m(t,a)
#define __MAP1(m,t,a,...) m(t,a)
#define __MAP2(m,t,a,...) m(t,a), __MAP1(m,__VA_ARGS__)
#define __MAP3(m,t,a,...) m(t,a), __MAP2(m,__VA_ARGS__)
#define __MAP4(m,t,a,...) m(t,a), __MAP3(m,__VA_ARGS__)
@ -189,11 +200,13 @@ static inline int is_syscall_trace_event(struct trace_event_call *tp_event)
}
#endif
#ifndef SYSCALL_DEFINE0
#define SYSCALL_DEFINE0(sname) \
SYSCALL_METADATA(_##sname, 0); \
asmlinkage long sys_##sname(void); \
ALLOW_ERROR_INJECTION(sys_##sname, ERRNO); \
asmlinkage long sys_##sname(void)
#endif /* SYSCALL_DEFINE0 */
#define SYSCALL_DEFINE1(name, ...) SYSCALL_DEFINEx(1, _##name, __VA_ARGS__)
#define SYSCALL_DEFINE2(name, ...) SYSCALL_DEFINEx(2, _##name, __VA_ARGS__)
@ -209,20 +222,28 @@ static inline int is_syscall_trace_event(struct trace_event_call *tp_event)
__SYSCALL_DEFINEx(x, sname, __VA_ARGS__)
#define __PROTECT(...) asmlinkage_protect(__VA_ARGS__)
/*
* The asmlinkage stub is aliased to a function named __se_sys_*() which
* sign-extends 32-bit ints to longs whenever needed. The actual work is
* done within __do_sys_*().
*/
#ifndef __SYSCALL_DEFINEx
#define __SYSCALL_DEFINEx(x, name, ...) \
asmlinkage long sys##name(__MAP(x,__SC_DECL,__VA_ARGS__)) \
__attribute__((alias(__stringify(SyS##name)))); \
__attribute__((alias(__stringify(__se_sys##name)))); \
ALLOW_ERROR_INJECTION(sys##name, ERRNO); \
static inline long SYSC##name(__MAP(x,__SC_DECL,__VA_ARGS__)); \
asmlinkage long SyS##name(__MAP(x,__SC_LONG,__VA_ARGS__)); \
asmlinkage long SyS##name(__MAP(x,__SC_LONG,__VA_ARGS__)) \
static inline long __do_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__));\
asmlinkage long __se_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__)); \
asmlinkage long __se_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__)) \
{ \
long ret = SYSC##name(__MAP(x,__SC_CAST,__VA_ARGS__)); \
long ret = __do_sys##name(__MAP(x,__SC_CAST,__VA_ARGS__));\
__MAP(x,__SC_TEST,__VA_ARGS__); \
__PROTECT(x, ret,__MAP(x,__SC_ARGS,__VA_ARGS__)); \
return ret; \
} \
static inline long SYSC##name(__MAP(x,__SC_DECL,__VA_ARGS__))
static inline long __do_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__))
#endif /* __SYSCALL_DEFINEx */
/*
* Called before coming back to user-mode. Returning to user-mode with an
@ -252,7 +273,12 @@ static inline void addr_limit_user_check(void)
* Please note that these prototypes here are only provided for information
* purposes, for static analysis, and for linking from the syscall table.
* These functions should not be called elsewhere from kernel code.
*
* As the syscall calling convention may be different from the default
* for architectures overriding the syscall calling convention, do not
* include the prototypes if CONFIG_ARCH_HAS_SYSCALL_WRAPPER is enabled.
*/
#ifndef CONFIG_ARCH_HAS_SYSCALL_WRAPPER
asmlinkage long sys_io_setup(unsigned nr_reqs, aio_context_t __user *ctx);
asmlinkage long sys_io_destroy(aio_context_t ctx);
asmlinkage long sys_io_submit(aio_context_t, long,
@ -1076,6 +1102,8 @@ asmlinkage long sys_old_mmap(struct mmap_arg_struct __user *arg);
*/
asmlinkage long sys_ni_syscall(void);
#endif /* CONFIG_ARCH_HAS_SYSCALL_WRAPPER */
/*
* Kernel code should not call syscalls (i.e., sys_xyzyyz()) directly.

10
init/Kconfig
View File

@ -1923,3 +1923,13 @@ source "kernel/Kconfig.locks"
config ARCH_HAS_SYNC_CORE_BEFORE_USERMODE
bool
# It may be useful for an architecture to override the definitions of the
# SYSCALL_DEFINE() and __SYSCALL_DEFINEx() macros in <linux/syscalls.h>
# and the COMPAT_ variants in <linux/compat.h>, in particular to use a
# different calling convention for syscalls. They can also override the
# macros for not-implemented syscalls in kernel/sys_ni.c and
# kernel/time/posix-stubs.c. All these overrides need to be available in
# <asm/syscall_wrapper.h>.
config ARCH_HAS_SYSCALL_WRAPPER
def_bool n

10
kernel/sys_ni.c
View File

@ -5,6 +5,11 @@
#include <asm/unistd.h>
#ifdef CONFIG_ARCH_HAS_SYSCALL_WRAPPER
/* Architectures may override COND_SYSCALL and COND_SYSCALL_COMPAT */
#include <asm/syscall_wrapper.h>
#endif /* CONFIG_ARCH_HAS_SYSCALL_WRAPPER */
/* we can't #include <linux/syscalls.h> here,
but tell gcc to not warn with -Wmissing-prototypes */
asmlinkage long sys_ni_syscall(void);
@ -17,8 +22,13 @@ asmlinkage long sys_ni_syscall(void)
return -ENOSYS;
}
#ifndef COND_SYSCALL
#define COND_SYSCALL(name) cond_syscall(sys_##name)
#endif /* COND_SYSCALL */
#ifndef COND_SYSCALL_COMPAT
#define COND_SYSCALL_COMPAT(name) cond_syscall(compat_sys_##name)
#endif /* COND_SYSCALL_COMPAT */
/*
* This list is kept in the same order as include/uapi/asm-generic/unistd.h.

10
kernel/time/posix-stubs.c
View File

@ -19,6 +19,11 @@
#include <linux/posix-timers.h>
#include <linux/compat.h>
#ifdef CONFIG_ARCH_HAS_SYSCALL_WRAPPER
/* Architectures may override SYS_NI and COMPAT_SYS_NI */
#include <asm/syscall_wrapper.h>
#endif
asmlinkage long sys_ni_posix_timers(void)
{
pr_err_once("process %d (%s) attempted a POSIX timer syscall "
@ -27,8 +32,13 @@ asmlinkage long sys_ni_posix_timers(void)
return -ENOSYS;
}
#ifndef SYS_NI
#define SYS_NI(name) SYSCALL_ALIAS(sys_##name, sys_ni_posix_timers)
#endif
#ifndef COMPAT_SYS_NI
#define COMPAT_SYS_NI(name) SYSCALL_ALIAS(compat_sys_##name, sys_ni_posix_timers)
#endif
SYS_NI(timer_create);
SYS_NI(timer_gettime);

2
lib/swiotlb.c
View File

@ -1087,6 +1087,6 @@ const struct dma_map_ops swiotlb_dma_ops = {
.unmap_sg = swiotlb_unmap_sg_attrs,
.map_page = swiotlb_map_page,
.unmap_page = swiotlb_unmap_page,
.dma_supported = swiotlb_dma_supported,
.dma_supported = dma_direct_supported,
};
#endif /* CONFIG_DMA_DIRECT_OPS */

4
scripts/bloat-o-meter
View File

@ -30,8 +30,8 @@ def getsizes(file, format):
if type in format:
# strip generated symbols
if name.startswith("__mod_"): continue
if name.startswith("SyS_"): continue
if name.startswith("compat_SyS_"): continue
if name.startswith("__se_sys"): continue
if name.startswith("__se_compat_sys"): continue
if name == "linux_banner": continue
# statics and some other optimizations adds random .NUMBER
name = re_NUMBER.sub('', name)