x86/mce: Fix all mce notifiers to update the mce->kflags bitmask
fix #29415191 commit 23ba710a0864108910c7531dc4c73ef65eca5568 upstream 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: NTony Luck <tony.luck@intel.com> Signed-off-by: NBorislav Petkov <bp@suse.de> Tested-by: NTony Luck <tony.luck@intel.com> Link: https://lkml.kernel.org/r/20200214222720.13168-5-tony.luck@intel.comSigned-off-by: NYouquan Song <youquan.song@intel.com> Signed-off-by: NWetp Zhang <wetp.zy@linux.alibaba.com> Reviewed-by: NArtie Ding <artie.ding@linux.alibaba.com>
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