From 5e8d3210b5bffbe64afca9152241284a46611c7e Mon Sep 17 00:00:00 2001 From: Barry Song Date: Tue, 19 Jan 2010 11:01:08 +0000 Subject: [PATCH] Blackfin: fill out the signal si_addr when sending a SIGBUS/SIGSEGV Some userspace applications use this member in diagnosing crashes. It also makes some LTP tests pass (i.e. the Blackfin arch behaves more like everyone else). Signed-off-by: Barry Song Signed-off-by: Mike Frysinger --- arch/blackfin/kernel/traps.c | 14 +++++++++++--- 1 file changed, 11 insertions(+), 3 deletions(-) diff --git a/arch/blackfin/kernel/traps.c b/arch/blackfin/kernel/traps.c index 85766805b03a..4eaca2d1deed 100644 --- a/arch/blackfin/kernel/traps.c +++ b/arch/blackfin/kernel/traps.c @@ -260,9 +260,7 @@ asmlinkage notrace void trap_c(struct pt_regs *fp) #ifdef CONFIG_DEBUG_BFIN_HWTRACE_ON int j; #endif -#ifdef CONFIG_DEBUG_HUNT_FOR_ZERO unsigned int cpu = raw_smp_processor_id(); -#endif const char *strerror = NULL; int sig = 0; siginfo_t info; @@ -651,7 +649,17 @@ asmlinkage notrace void trap_c(struct pt_regs *fp) { info.si_signo = sig; info.si_errno = 0; - info.si_addr = (void __user *)fp->pc; + switch (trapnr) { + case VEC_CPLB_VL: + case VEC_MISALI_D: + case VEC_CPLB_M: + case VEC_CPLB_MHIT: + info.si_addr = (void __user *)cpu_pda[cpu].dcplb_fault_addr; + break; + default: + info.si_addr = (void __user *)fp->pc; + break; + } force_sig_info(sig, &info, current); } -- 2.34.1