diff options
| author | Mahesh Salgaonkar <mahesh@linux.vnet.ibm.com> | 2013-10-30 20:05:49 +0530 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2013-12-05 16:05:21 +1100 |
| commit | b5ff4211a8294be2ddbaf963fa3666fa042292a8 (patch) | |
| tree | c87b212ebfddc4c42c54c61ee1b3fb3d49e0c941 /arch/powerpc/kernel/entry_64.S | |
| parent | 36df96f8acaf51992177645eb2d781f766ce97dc (diff) | |
| download | linux-b5ff4211a8294be2ddbaf963fa3666fa042292a8.tar.bz2 | |
powerpc/book3s: Queue up and process delayed MCE events.
When machine check real mode handler can not continue into host kernel
in V mode, it returns from the interrupt and we loose MCE event which
never gets logged. In such a situation queue up the MCE event so that
we can log it later when we get back into host kernel with r1 pointing to
kernel stack e.g. during syscall exit.
Signed-off-by: Mahesh Salgaonkar <mahesh@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/kernel/entry_64.S')
| -rw-r--r-- | arch/powerpc/kernel/entry_64.S | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/entry_64.S b/arch/powerpc/kernel/entry_64.S index bbfb0294b354..770d6d65c47b 100644 --- a/arch/powerpc/kernel/entry_64.S +++ b/arch/powerpc/kernel/entry_64.S @@ -184,6 +184,11 @@ syscall_exit: bl .do_show_syscall_exit ld r3,RESULT(r1) #endif +#ifdef CONFIG_PPC_BOOK3S_64 +BEGIN_FTR_SECTION + bl .machine_check_process_queued_event +END_FTR_SECTION_IFSET(CPU_FTR_HVMODE) +#endif CURRENT_THREAD_INFO(r12, r1) ld r8,_MSR(r1) |