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x86: cleanup - rename VM_MASK to X86_VM_MASK

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This patch renames VM_MASK to X86_VM_MASK (which
in turn defined as alias to X86_EFLAGS_VM) to better
distinguish from virtual memory flags. We can't just
use X86_EFLAGS_VM instead because it is also used
for conditional compilation

Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
gorcunov@gmail.com 2008-03-28 17:56:57 +03:00 committed by Ingo Molnar
parent 6093015db2
commit 6b6891f9c5
5 changed files with 10 additions and 10 deletions
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8
arch/x86/kernel/traps_32.c
View File

@ -498,7 +498,7 @@ do_trap(int trapnr, int signr, char *str, int vm86, struct pt_regs *regs,
{
struct task_struct *tsk = current;
if (regs->flags & VM_MASK) {
if (regs->flags & X86_VM_MASK) {
if (vm86)
goto vm86_trap;
goto trap_signal;
@ -643,7 +643,7 @@ void __kprobes do_general_protection(struct pt_regs *regs, long error_code)
}
put_cpu();
if (regs->flags & VM_MASK)
if (regs->flags & X86_VM_MASK)
goto gp_in_vm86;
if (!user_mode(regs))
@ -922,7 +922,7 @@ void __kprobes do_debug(struct pt_regs *regs, long error_code)
goto clear_dr7;
}
if (regs->flags & VM_MASK)
if (regs->flags & X86_VM_MASK)
goto debug_vm86;
/* Save debug status register where ptrace can see it */
@ -1094,7 +1094,7 @@ void do_simd_coprocessor_error(struct pt_regs *regs, long error_code)
* Handle strange cache flush from user space exception
* in all other cases. This is undocumented behaviour.
*/
if (regs->flags & VM_MASK) {
if (regs->flags & X86_VM_MASK) {
handle_vm86_fault((struct kernel_vm86_regs *)regs, error_code);
return;
}

2
arch/x86/kernel/vm86_32.c
View File

@ -299,7 +299,7 @@ static void do_sys_vm86(struct kernel_vm86_struct *info, struct task_struct *tsk
VEFLAGS = info->regs.pt.flags;
info->regs.pt.flags &= SAFE_MASK;
info->regs.pt.flags |= info->regs32->flags & ~SAFE_MASK;
info->regs.pt.flags |= VM_MASK;
info->regs.pt.flags |= X86_VM_MASK;
switch (info->cpu_type) {
case CPU_286:

2
arch/x86/mm/fault.c
View File

@ -639,7 +639,7 @@ void __kprobes do_page_fault(struct pt_regs *regs, unsigned long error_code)
#ifdef CONFIG_X86_32
/* It's safe to allow irq's after cr2 has been saved and the vmalloc
fault has been handled. */
if (regs->flags & (X86_EFLAGS_IF|VM_MASK))
if (regs->flags & (X86_EFLAGS_IF | X86_VM_MASK))
local_irq_enable();
/*

4
include/asm-x86/ptrace.h
View File

@ -170,7 +170,7 @@ static inline int user_mode(struct pt_regs *regs)
static inline int user_mode_vm(struct pt_regs *regs)
{
#ifdef CONFIG_X86_32
return ((regs->cs & SEGMENT_RPL_MASK) | (regs->flags & VM_MASK)) >=
return ((regs->cs & SEGMENT_RPL_MASK) | (regs->flags & X86_VM_MASK)) >=
USER_RPL;
#else
return user_mode(regs);
@ -180,7 +180,7 @@ static inline int user_mode_vm(struct pt_regs *regs)
static inline int v8086_mode(struct pt_regs *regs)
{
#ifdef CONFIG_X86_32
return (regs->flags & VM_MASK);
return (regs->flags & X86_VM_MASK);
#else
return 0; /* No V86 mode support in long mode */
#endif

4
include/asm-x86/vm86.h
View File

@ -17,9 +17,9 @@
#define IOPL_MASK 0x00003000
#define NT_MASK 0x00004000
#ifdef CONFIG_VM86
#define VM_MASK 0x00020000
#define X86_VM_MASK X86_EFLAGS_VM
#else
#define VM_MASK 0 /* ignored */
#define X86_VM_MASK 0 /* No VM86 support */
#endif
#define AC_MASK 0x00040000
#define VIF_MASK 0x00080000 /* virtual interrupt flag */