OpenCloudOS-Kernel/arch/x86
Masahiro Yamada 2e958a8a51 x86/entry/x32: Rename __x32_compat_sys_* to __x64_compat_sys_*
The SYSCALL macros are mapped to symbols as follows:

  __SYSCALL_COMMON(nr, sym)  -->  __x64_<sym>
  __SYSCALL_X32(nr, sym)     -->  __x32_<sym>

Originally, the syscalls in the x32 special range (512-547) were all
compat.

This assumption is now broken after the following commits:

  55db9c0e85 ("net: remove compat_sys_{get,set}sockopt")
  5f764d624a ("fs: remove the compat readv/writev syscalls")
  598b3cec83 ("fs: remove compat_sys_vmsplice")
  c3973b401e ("mm: remove compat_process_vm_{readv,writev}")

Those commits redefined __x32_sys_* to __x64_sys_* because there is no stub
like __x32_sys_*.

Defining them as follows is more sensible and cleaner.

  __SYSCALL_COMMON(nr, sym)  -->  __x64_<sym>
  __SYSCALL_X32(nr, sym)     -->  __x64_<sym>

This works because both x86_64 and x32 use the same ABI (RDI, RSI, RDX,
R10, R8, R9)

The ugly #define __x32_sys_* will go away.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20210517073815.97426-2-masahiroy@kernel.org
2021-05-20 15:03:58 +02:00
..
boot - turn the stack canary into a normal __percpu variable on 32-bit which 2021-04-27 17:45:09 -07:00
configs module: remove EXPORT_UNUSED_SYMBOL* 2021-02-08 12:28:07 +01:00
crypto Objtool updates in this cycle were: 2021-04-28 12:53:24 -07:00
entry x86/entry/x32: Rename __x32_compat_sys_* to __x64_compat_sys_* 2021-05-20 15:03:58 +02:00
events Handle power-gating of AMD IOMMU perf counters properly when they are used. 2021-05-09 13:00:26 -07:00
hyperv The x86 MM changes in this cycle were: 2021-04-29 11:41:43 -07:00
ia32 x86/ia32_signal: Propagate __user annotation properly 2020-12-11 19:44:31 +01:00
include x86/entry/x32: Rename __x32_compat_sys_* to __x64_compat_sys_* 2021-05-20 15:03:58 +02:00
kernel x86/regs: Syscall_get_nr() returns -1 for a non-system call 2021-05-12 10:49:15 +02:00
kvm KVM: x86: Consolidate guest enter/exit logic to common helpers 2021-05-05 22:54:12 +02:00
lib - turn the stack canary into a normal __percpu variable on 32-bit which 2021-04-27 17:45:09 -07:00
math-emu x86/fpu/math-emu: Fix function cast warning 2021-03-23 00:08:02 +01:00
mm Merge branch 'akpm' (patches from Andrew) 2021-05-05 13:50:15 -07:00
net Networking changes for 5.13. 2021-04-29 11:57:23 -07:00
pci pci-v5.13-changes 2021-05-05 13:24:11 -07:00
platform - turn the stack canary into a normal __percpu variable on 32-bit which 2021-04-27 17:45:09 -07:00
power - turn the stack canary into a normal __percpu variable on 32-bit which 2021-04-27 17:45:09 -07:00
purgatory crypto: sha - split sha.h into sha1.h and sha2.h 2020-11-20 14:45:33 +11:00
ras
realmode x86: Fix various typos in comments, take #2 2021-03-21 23:50:28 +01:00
tools x86/tools/insn_sanity: Convert to insn_decode() 2021-03-15 12:21:11 +01:00
um um: elf.h: Fix W=1 warning for empty body in 'do' statement 2021-04-15 23:10:50 +02:00
video
xen Merge branch 'stable/for-linus-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/swiotlb 2021-05-04 10:58:49 -07:00
.gitignore
Kbuild
Kconfig x86/Kconfig: introduce ARCH_MHP_MEMMAP_ON_MEMORY_ENABLE 2021-05-05 11:27:27 -07:00
Kconfig.assembler
Kconfig.cpu
Kconfig.debug x86, libnvdimm/test: Remove COPY_MC_TEST 2020-10-26 18:08:35 +01:00
Makefile Kbuild updates for v5.13 2021-04-29 14:24:39 -07:00
Makefile.um
Makefile_32.cpu