From: Chuck Ebbert <76306.1226@compuserve.com> Allow signal handlers to set the RF bit in EFLAGS. This lets a simple debugger using SIGTRAP skip one instruction after returning from a signal. Signed-off-by: Chuck Ebbert <76306.1226@compuserve.com> Signed-off-by: Andrew Morton --- arch/i386/kernel/signal.c | 3 ++- 1 files changed, 2 insertions(+), 1 deletion(-) diff -puN arch/i386/kernel/signal.c~i386-let-signal-handlers-set-the-resume-flag arch/i386/kernel/signal.c --- devel/arch/i386/kernel/signal.c~i386-let-signal-handlers-set-the-resume-flag 2006-02-21 17:05:56.000000000 -0800 +++ devel-akpm/arch/i386/kernel/signal.c 2006-02-21 17:05:56.000000000 -0800 @@ -123,7 +123,8 @@ restore_sigcontext(struct pt_regs *regs, err |= __get_user(tmp, &sc->seg); \ loadsegment(seg,tmp); } -#define FIX_EFLAGS (X86_EFLAGS_AC | X86_EFLAGS_OF | X86_EFLAGS_DF | \ +#define FIX_EFLAGS (X86_EFLAGS_AC | X86_EFLAGS_RF | \ + X86_EFLAGS_OF | X86_EFLAGS_DF | \ X86_EFLAGS_TF | X86_EFLAGS_SF | X86_EFLAGS_ZF | \ X86_EFLAGS_AF | X86_EFLAGS_PF | X86_EFLAGS_CF) _