From ae6578fe9b65208dee8eda40629984efd23740c4 Mon Sep 17 00:00:00 2001 From: Chuck Ebbert <76306.1226@compuserve.com> Date: Tue, 26 Jul 2005 21:57:24 -0400 Subject: [PATCH] [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 --- include/asm-i386/ptrace.h | 13 ++++++++++--- 1 file changed, 10 insertions(+), 3 deletions(-) diff --git a/include/asm-i386/ptrace.h b/include/asm-i386/ptrace.h index eef9f93870d..b926cb4f4cf 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 -- 2.20.1