@@ -626,7 +626,7 @@ long __machine_check_early_realmode_p9(struct pt_regs *regs)
{
/*
* On POWER9 DD2.1 and below, it's possible to get a machine check
- * caused by a paste instruction where only DSISR bit 30 is set. This
+ * caused by a paste instruction where only DSISR bit 25 is set. This
* will result in the MCE handler seeing an unknown event and the kernel
* crashing. An MCE that occurs like this is spurious, so we don't need
* to do anything in terms of servicing it. If there is something that
@@ -634,7 +634,7 @@ long __machine_check_early_realmode_p9(struct pt_regs *regs)
* correct DSISR so that it can be serviced properly. So detect this
* case and mark it as handled.
*/
- if (SRR1_MC_LOADSTORE(regs->msr) && regs->dsisr == 0x40000000)
+ if (SRR1_MC_LOADSTORE(regs->msr) && regs->dsisr == 0x02000000)
return 1;
return mce_handle_error(regs, mce_p9_derror_table, mce_p9_ierror_table);
In the recent commit: d8bd9f3f09 powerpc: Handle MCE on POWER9 with only DSISR bit 30 set I screwed up the bit. It should be bit 25 (IBM bit 38). Signed-off-by: Michael Neuling <mikey@neuling.org> --- arch/powerpc/kernel/mce_power.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)