Messages in this thread | | | Date | Mon, 1 Dec 2014 17:28:27 -0800 | From | Greg KH <> | Subject | Re: [PATCH] x86, microcode: Don't initialize microcode code on paravirt |
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On Mon, Dec 01, 2014 at 04:27:44PM -0500, Boris Ostrovsky wrote: > Paravirtual guests are not expected to load microcode into processors > and therefore it is not necessary to initialize microcode loading > logic. > > In fact, under certain circumstances initializing this logic may cause > the guest to crash. Specifically, 32-bit kernels use __pa_nodebug() > macro which does not work in Xen (the code path that leads to this macro > happens during resume when we call mc_bp_resume()->load_ucode_ap() > ->check_loader_disabled_ap()) > > Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com> > --- > arch/x86/kernel/cpu/microcode/core.c | 2 +- > 1 files changed, 1 insertions(+), 1 deletions(-)
<formletter>
This is not the correct way to submit patches for inclusion in the stable kernel tree. Please read Documentation/stable_kernel_rules.txt for how to do this properly.
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