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Diffstat (limited to 'arch/x86_64/kernel/traps.c')
-rw-r--r--arch/x86_64/kernel/traps.c21
1 files changed, 18 insertions, 3 deletions
diff --git a/arch/x86_64/kernel/traps.c b/arch/x86_64/kernel/traps.c
index aac1c0be54c..03888420775 100644
--- a/arch/x86_64/kernel/traps.c
+++ b/arch/x86_64/kernel/traps.c
@@ -34,6 +34,10 @@
#include <linux/bug.h>
#include <linux/kdebug.h>
+#if defined(CONFIG_EDAC)
+#include <linux/edac.h>
+#endif
+
#include <asm/system.h>
#include <asm/io.h>
#include <asm/atomic.h>
@@ -330,6 +334,7 @@ static int print_trace_stack(void *data, char *name)
static void print_trace_address(void *data, unsigned long addr)
{
+ touch_nmi_watchdog();
printk_address(addr);
}
@@ -518,6 +523,7 @@ void __kprobes __die(const char * str, struct pt_regs * regs, long err)
printk("\n");
notify_die(DIE_OOPS, str, regs, err, current->thread.trap_no, SIGSEGV);
show_registers(regs);
+ add_taint(TAINT_DIE);
/* Executive summary in case the oops scrolled away */
printk(KERN_ALERT "RIP ");
printk_address(regs->rip);
@@ -531,7 +537,7 @@ void die(const char * str, struct pt_regs * regs, long err)
unsigned long flags = oops_begin();
if (!user_mode(regs))
- report_bug(regs->rip);
+ report_bug(regs->rip, regs);
__die(str, regs, err);
oops_end(flags);
@@ -578,7 +584,8 @@ static void __kprobes do_trap(int trapnr, int signr, char *str,
tsk->thread.error_code = error_code;
tsk->thread.trap_no = trapnr;
- if (exception_trace && unhandled_signal(tsk, signr))
+ if (show_unhandled_signals && unhandled_signal(tsk, signr) &&
+ printk_ratelimit())
printk(KERN_INFO
"%s[%d] trap %s rip:%lx rsp:%lx error:%lx\n",
tsk->comm, tsk->pid, str,
@@ -682,7 +689,8 @@ asmlinkage void __kprobes do_general_protection(struct pt_regs * regs,
tsk->thread.error_code = error_code;
tsk->thread.trap_no = 13;
- if (exception_trace && unhandled_signal(tsk, SIGSEGV))
+ if (show_unhandled_signals && unhandled_signal(tsk, SIGSEGV) &&
+ printk_ratelimit())
printk(KERN_INFO
"%s[%d] general protection rip:%lx rsp:%lx error:%lx\n",
tsk->comm, tsk->pid,
@@ -717,6 +725,13 @@ mem_parity_error(unsigned char reason, struct pt_regs * regs)
reason);
printk(KERN_EMERG "You have some hardware problem, likely on the PCI bus.\n");
+#if defined(CONFIG_EDAC)
+ if(edac_handler_set()) {
+ edac_atomic_assert_error();
+ return;
+ }
+#endif
+
if (panic_on_unrecovered_nmi)
panic("NMI: Not continuing");