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

Pull x86 debug update from Ingo Molnar:
 "Various small enhancements"

* 'x86-debug-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/debug: Dump family, model, stepping of the boot CPU
  x86/iommu: Use NULL instead of plain 0 for __IOMMU_INIT
  x86/iommu: Drop duplicate const in __IOMMU_INIT
  x86/fpu/xsave: Keep __user annotation in casts
  x86/pci/probe_roms: Add missing __iomem annotation to pci_map_biosrom()
  x86/signals: ia32_signal.c: add __user casts to fix sparse warnings
  x86/vdso: Add __user annotation to VDSO32_SYMBOL
  x86: Fix __user annotations in asm/sys_ia32.h
This commit is contained in:
Linus Torvalds 2012-10-01 11:07:31 -07:00
parent 4a553e1450 924e101a7a
commit 58ae9c0d54
8 changed files with 22 additions and 18 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
arch/x86/ia32/ia32_signal.c
View File

@ -162,7 +162,8 @@ asmlinkage long sys32_sigaltstack(const stack_ia32_t __user *uss_ptr,
}
seg = get_fs();
set_fs(KERNEL_DS);
ret = do_sigaltstack(uss_ptr ? &uss : NULL, &uoss, regs->sp);
ret = do_sigaltstack((stack_t __force __user *) (uss_ptr ? &uss : NULL),
(stack_t __force __user *) &uoss, regs->sp);
set_fs(seg);
if (ret >= 0 && uoss_ptr) {
if (!access_ok(VERIFY_WRITE, uoss_ptr, sizeof(stack_ia32_t)))
@ -361,7 +362,7 @@ static int ia32_setup_sigcontext(struct sigcontext_ia32 __user *sc,
*/
static void __user *get_sigframe(struct k_sigaction *ka, struct pt_regs *regs,
size_t frame_size,
void **fpstate)
void __user **fpstate)
{
unsigned long sp;
@ -382,7 +383,7 @@ static void __user *get_sigframe(struct k_sigaction *ka, struct pt_regs *regs,
if (used_math()) {
sp = sp - sig_xstate_ia32_size;
*fpstate = (struct _fpstate_ia32 *) sp;
*fpstate = (struct _fpstate_ia32 __user *) sp;
if (save_i387_xstate_ia32(*fpstate) < 0)
return (void __user *) -1L;
}
@ -448,7 +449,7 @@ int ia32_setup_frame(int sig, struct k_sigaction *ka,
* These are actually not used anymore, but left because some
* gdb versions depend on them as a marker.
*/
put_user_ex(*((u64 *)&code), (u64 *)frame->retcode);
put_user_ex(*((u64 *)&code), (u64 __user *)frame->retcode);
} put_user_catch(err);
if (err)
@ -529,7 +530,7 @@ int ia32_setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
* Not actually used anymore, but left because some gdb
* versions need it.
*/
put_user_ex(*((u64 *)&code), (u64 *)frame->retcode);
put_user_ex(*((u64 *)&code), (u64 __user *)frame->retcode);
} put_user_catch(err);
if (err)

2
arch/x86/ia32/sys_ia32.c
View File

@ -287,7 +287,7 @@ asmlinkage long sys32_sigaction(int sig, struct old_sigaction32 __user *act,
return ret;
}
asmlinkage long sys32_waitpid(compat_pid_t pid, unsigned int *stat_addr,
asmlinkage long sys32_waitpid(compat_pid_t pid, unsigned int __user *stat_addr,
int options)
{
return compat_sys_wait4(pid, stat_addr, options, NULL);

6
arch/x86/include/asm/iommu_table.h
View File

@ -48,7 +48,7 @@ struct iommu_table_entry {
#define __IOMMU_INIT(_detect, _depend, _early_init, _late_init, _finish)\
static const struct iommu_table_entry const \
static const struct iommu_table_entry \
__iommu_entry_##_detect __used \
__attribute__ ((unused, __section__(".iommu_table"), \
aligned((sizeof(void *))))) \
@ -63,10 +63,10 @@ struct iommu_table_entry {
* to stop detecting the other IOMMUs after yours has been detected.
*/
#define IOMMU_INIT_POST(_detect) \
__IOMMU_INIT(_detect, pci_swiotlb_detect_4gb, 0, 0, 0)
__IOMMU_INIT(_detect, pci_swiotlb_detect_4gb, NULL, NULL, 0)
#define IOMMU_INIT_POST_FINISH(detect) \
__IOMMU_INIT(_detect, pci_swiotlb_detect_4gb, 0, 0, 1)
__IOMMU_INIT(_detect, pci_swiotlb_detect_4gb, NULL, NULL, 1)
/*
* A more sophisticated version of IOMMU_INIT. This variant requires:

2
arch/x86/include/asm/sys_ia32.h
View File

@ -40,7 +40,7 @@ asmlinkage long sys32_sigaction(int, struct old_sigaction32 __user *,
struct old_sigaction32 __user *);
asmlinkage long sys32_alarm(unsigned int);
asmlinkage long sys32_waitpid(compat_pid_t, unsigned int *, int);
asmlinkage long sys32_waitpid(compat_pid_t, unsigned int __user *, int);
asmlinkage long sys32_sysfs(int, u32, u32);
asmlinkage long sys32_sched_rr_get_interval(compat_pid_t,

3
arch/x86/include/asm/vdso.h
View File

@ -11,7 +11,8 @@ extern const char VDSO32_PRELINK[];
#define VDSO32_SYMBOL(base, name) \
({ \
extern const char VDSO32_##name[]; \
(void *)(VDSO32_##name - VDSO32_PRELINK + (unsigned long)(base)); \
(void __user *)(VDSO32_##name - VDSO32_PRELINK + \
(unsigned long)(base)); \
})
#endif

8
arch/x86/kernel/cpu/common.c
View File

@ -1023,14 +1023,16 @@ void __cpuinit print_cpu_info(struct cpuinfo_x86 *c)
printk(KERN_CONT "%s ", vendor);
if (c->x86_model_id[0])
printk(KERN_CONT "%s", c->x86_model_id);
printk(KERN_CONT "%s", strim(c->x86_model_id));
else
printk(KERN_CONT "%d86", c->x86);
printk(KERN_CONT " (fam: %02x, model: %02x", c->x86, c->x86_model);
if (c->x86_mask || c->cpuid_level >= 0)
printk(KERN_CONT " stepping %02x\n", c->x86_mask);
printk(KERN_CONT ", stepping: %02x)\n", c->x86_mask);
else
printk(KERN_CONT "\n");
printk(KERN_CONT ")\n");
print_cpu_msr(c);
}

2
arch/x86/kernel/probe_roms.c
View File

@ -150,7 +150,7 @@ static struct resource *find_oprom(struct pci_dev *pdev)
return oprom;
}
void *pci_map_biosrom(struct pci_dev *pdev)
void __iomem *pci_map_biosrom(struct pci_dev *pdev)
{
struct resource *oprom = find_oprom(pdev);

6
arch/x86/kernel/xsave.c
View File

@ -132,9 +132,9 @@ int check_for_xstate(struct i387_fxsave_struct __user *buf,
fx_sw_user->xstate_size > fx_sw_user->extended_size)
return -EINVAL;
err = __get_user(magic2, (__u32 *) (((void *)fpstate) +
fx_sw_user->extended_size -
FP_XSTATE_MAGIC2_SIZE));
err = __get_user(magic2, (__u32 __user *) (fpstate +
fx_sw_user->extended_size -
FP_XSTATE_MAGIC2_SIZE));
if (err)
return err;
/*