Messages in this thread Patch in this message | | | From | Andi Kleen <> | Subject | [PATCH 03/31] x86: MCE: Fix EIPV behaviour with !PCC | Date | Wed, 27 May 2009 01:54:05 +0200 |
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From: Huang Ying <ying.huang@intel.com>
Impact: Spec compliance
When tolerant == 0, system should go panic instead of send SIGBUS even for a MCE with EPIV && !PCC on user space.
Signed-off-by: Huang Ying <ying.huang@intel.com> Signed-off-by: Andi Kleen <ak@linux.intel.com> --- arch/x86/kernel/cpu/mcheck/mce.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c index 3f158d7..e1271ac 100644 --- a/arch/x86/kernel/cpu/mcheck/mce.c +++ b/arch/x86/kernel/cpu/mcheck/mce.c @@ -485,7 +485,7 @@ void do_machine_check(struct pt_regs *regs, long error_code) * force_sig() takes an awful lot of locks and has a slight * risk of deadlocking. */ - if (user_space) { + if (user_space && tolerant > 0) { force_sig(SIGBUS, current); } else if (panic_on_oops || tolerant < 2) { mce_panic("Uncorrected machine check", -- 1.6.0.2
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