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    SubjectRe: [PATCH 4/4] x86, mce: Have MCE persistent event off by default for now

    * Borislav Petkov <bp@amd64.org> wrote:

    > From: Borislav Petkov <borislav.petkov@amd.com>
    >
    > This is new functionality and it affects all of x86 so we want to be
    > very conservative about it and have it off by default for now, in case
    > something goes awry. You can always enable it by supplying "ras" on the
    > kernel command line.
    >
    > Also, depending on whether it is enabled or not, we emit the tracepoint
    > from a different place in the code to pick up additional decoded info.
    >
    > Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
    > ---
    > Documentation/kernel-parameters.txt | 2 ++
    > arch/x86/include/asm/mce.h | 1 +
    > arch/x86/kernel/cpu/mcheck/mce.c | 32 ++++++++++++++++++++++++++++++--
    > drivers/edac/mce_amd.c | 5 +++++
    > 4 files changed, 38 insertions(+), 2 deletions(-)

    the boot flag is fine - but please keep it enabled by default if MCE support is
    enabled in the .config, we do not chicken out when it comes to testing new
    code! :-)

    Thanks,

    Ingo


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