diff options
| author | Gabriele Paoloni <gabriele.paoloni@intel.com> | 2020-11-27 16:18:17 +0000 |
|---|---|---|
| committer | Borislav Petkov <bp@suse.de> | 2020-12-01 18:49:29 +0100 |
| commit | 3a866b16fd2360a9c4ebf71cfbf7ebfe968c1409 (patch) | |
| tree | e9b4169a8a7e1c61166028f74031c274b55ec465 | |
| parent | e273e6e12ab1db3eb57712bd60655744d0091fa3 (diff) | |
| download | linux-3a866b16fd2360a9c4ebf71cfbf7ebfe968c1409.tar.bz2 | |
x86/mce: Panic for LMCE only if mca_cfg.tolerant < 3
Right now for LMCE, if no_way_out is set, mce_panic() is called
regardless of mca_cfg.tolerant. This is not correct as, if
mca_cfg.tolerant = 3, the code should never panic.
Add that check.
[ bp: use local ptr 'cfg'. ]
Signed-off-by: Gabriele Paoloni <gabriele.paoloni@intel.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Tony Luck <tony.luck@intel.com>
Link: https://lkml.kernel.org/r/20201127161819.3106432-4-gabriele.paoloni@intel.com
| -rw-r--r-- | arch/x86/kernel/cpu/mce/core.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/kernel/cpu/mce/core.c b/arch/x86/kernel/cpu/mce/core.c index ebaa52a0c024..99da2e0b595b 100644 --- a/arch/x86/kernel/cpu/mce/core.c +++ b/arch/x86/kernel/cpu/mce/core.c @@ -1368,7 +1368,7 @@ noinstr void do_machine_check(struct pt_regs *regs) * to see it will clear it. */ if (lmce) { - if (no_way_out) + if (no_way_out && cfg->tolerant < 3) mce_panic("Fatal local machine check", &m, msg); } else { order = mce_start(&no_way_out); |