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| author | Tony Luck <tony.luck@intel.com> | 2020-02-14 14:27:17 -0800 |
|---|---|---|
| committer | Borislav Petkov <bp@suse.de> | 2020-04-14 15:59:26 +0200 |
| commit | 23ba710a0864108910c7531dc4c73ef65eca5568 (patch) | |
| tree | d5875a88dffb875229136fed490ad8367a108fdc /drivers/ras | |
| parent | 1de08dccd383482a3e88845d3554094d338f5ff9 (diff) | |
| download | linux-23ba710a0864108910c7531dc4c73ef65eca5568.tar.gz linux-23ba710a0864108910c7531dc4c73ef65eca5568.tar.bz2 linux-23ba710a0864108910c7531dc4c73ef65eca5568.zip | |
x86/mce: Fix all mce notifiers to update the mce->kflags bitmask
If the handler took any action to log or deal with the error, set a bit
in mce->kflags so that the default handler on the end of the machine
check chain can see what has been done.
Get rid of NOTIFY_STOP returns. Make the EDAC and dev-mcelog handlers
skip over errors already processed by CEC.
Signed-off-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Tested-by: Tony Luck <tony.luck@intel.com>
Link: https://lkml.kernel.org/r/20200214222720.13168-5-tony.luck@intel.com
Diffstat (limited to 'drivers/ras')
| -rw-r--r-- | drivers/ras/cec.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/ras/cec.c b/drivers/ras/cec.c index 6b42040bf956..569d9ad2c594 100644 --- a/drivers/ras/cec.c +++ b/drivers/ras/cec.c @@ -538,9 +538,12 @@ static int cec_notifier(struct notifier_block *nb, unsigned long val, /* We eat only correctable DRAM errors with usable addresses. */ if (mce_is_memory_error(m) && mce_is_correctable(m) && - mce_usable_address(m)) - if (!cec_add_elem(m->addr >> PAGE_SHIFT)) - return NOTIFY_STOP; + mce_usable_address(m)) { + if (!cec_add_elem(m->addr >> PAGE_SHIFT)) { + m->kflags |= MCE_HANDLED_CEC; + return NOTIFY_OK; + } + } return NOTIFY_DONE; } |