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authorDavid S. Miller <davem@davemloft.net>2012-05-16 22:17:37 -0400
committerDavid S. Miller <davem@davemloft.net>2012-05-16 22:17:37 -0400
commit028940342a906db8da014a7603a0deddc2c323dd (patch)
tree688dbc38a3e218f2493d311b1d70a67668837347 /arch/powerpc/kernel/traps.c
parentbe3eed2e96340d3c7a4d1ea1d63e7bd6095d1e34 (diff)
parent0e93b4b304ae052ba1bc73f6d34a68556fe93429 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'arch/powerpc/kernel/traps.c')
-rw-r--r--arch/powerpc/kernel/traps.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c
index 6aa0c663e247..158972341a2d 100644
--- a/arch/powerpc/kernel/traps.c
+++ b/arch/powerpc/kernel/traps.c
@@ -248,7 +248,7 @@ void _exception(int signr, struct pt_regs *regs, int code, unsigned long addr)
addr, regs->nip, regs->link, code);
}
- if (!arch_irq_disabled_regs(regs))
+ if (arch_irqs_disabled() && !arch_irq_disabled_regs(regs))
local_irq_enable();
memset(&info, 0, sizeof(info));
@@ -1019,7 +1019,9 @@ void __kprobes program_check_exception(struct pt_regs *regs)
return;
}
- local_irq_enable();
+ /* We restore the interrupt state now */
+ if (!arch_irq_disabled_regs(regs))
+ local_irq_enable();
#ifdef CONFIG_MATH_EMULATION
/* (reason & REASON_ILLEGAL) would be the obvious thing here,
@@ -1069,6 +1071,10 @@ void alignment_exception(struct pt_regs *regs)
{
int sig, code, fixed = 0;
+ /* We restore the interrupt state now */
+ if (!arch_irq_disabled_regs(regs))
+ local_irq_enable();
+
/* we don't implement logging of alignment exceptions */
if (!(current->thread.align_ctl & PR_UNALIGN_SIGBUS))
fixed = fix_alignment(regs);