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| author | Chuck Ebbert <76306.1226@compuserve.com> | 2005-07-26 21:57:24 -0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-07-26 19:25:01 -0700 |
| commit | ae6578fe9b65208dee8eda40629984efd23740c4 (patch) | |
| tree | 6b3c5fdb78864ef276e0d6bb4bb1eeecfe17587d /include/asm-i386 | |
| parent | 4d7de66e2cc508761f050d1d4eaca88a6e6f711e (diff) | |
| download | linux-ae6578fe9b65208dee8eda40629984efd23740c4.tar.gz linux-ae6578fe9b65208dee8eda40629984efd23740c4.tar.bz2 linux-ae6578fe9b65208dee8eda40629984efd23740c4.zip | |
[PATCH] i386: clean up user_mode macros
- make the new user_mode() return 0 or 1 (same as x86_64)
- remove conditional jump from user_mode_vm() it's called every timer
tick on each CPU on SMP)
Signed-off-by: Chuck Ebbert <76306.1226@compuserve.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include/asm-i386')
| -rw-r--r-- | include/asm-i386/ptrace.h | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/include/asm-i386/ptrace.h b/include/asm-i386/ptrace.h index eef9f93870d4..b926cb4f4cfd 100644 --- a/include/asm-i386/ptrace.h +++ b/include/asm-i386/ptrace.h @@ -57,14 +57,21 @@ struct pt_regs { #ifdef __KERNEL__ struct task_struct; extern void send_sigtrap(struct task_struct *tsk, struct pt_regs *regs, int error_code); -#define user_mode(regs) (3 & (regs)->xcs) -#define user_mode_vm(regs) ((VM_MASK & (regs)->eflags) || user_mode(regs)) + +static inline int user_mode(struct pt_regs *regs) +{ + return (regs->xcs & 3) != 0; +} +static inline int user_mode_vm(struct pt_regs *regs) +{ + return ((regs->xcs & 3) | (regs->eflags & VM_MASK)) != 0; +} #define instruction_pointer(regs) ((regs)->eip) #if defined(CONFIG_SMP) && defined(CONFIG_FRAME_POINTER) extern unsigned long profile_pc(struct pt_regs *regs); #else #define profile_pc(regs) instruction_pointer(regs) #endif -#endif +#endif /* __KERNEL__ */ #endif |