diff mbox series

[v2,3/5] x86/mce: for LMCE panic only if mca_cfg.tolerant < 3

Message ID 20201127161819.3106432-4-gabriele.paoloni@intel.com (mailing list archive)
State New, archived
Headers show
Series x86/MCE: some minor fixes | expand

Commit Message

Paoloni, Gabriele Nov. 27, 2020, 4:18 p.m. UTC 
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.

Signed-off-by: Gabriele Paoloni <gabriele.paoloni@intel.com>
Reviewed-by: Tony Luck <tony.luck@intel.com>
---
 arch/x86/kernel/cpu/mce/core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/arch/x86/kernel/cpu/mce/core.c b/arch/x86/kernel/cpu/mce/core.c
index 50e9b0893a92..d766a3f6a343 100644
--- a/arch/x86/kernel/cpu/mce/core.c
+++ b/arch/x86/kernel/cpu/mce/core.c
@@ -1367,7 +1367,7 @@  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 && mca_cfg.tolerant < 3)
 			mce_panic("Fatal local machine check", &m, msg);
 	} else {
 		order = mce_start(&no_way_out);