[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [PATCH] Partial revert of "x86/MCE: optional build of AMD/Intel MCE code"
On Wed, 2024-05-29 at 11:37 +0100, Andrew Cooper wrote: > {cmci,lmce}_support are written during S3 resume, so cannot live in > __ro_after_init. Move them back to being __read_mostly, as they were > originally. > > Link: https://gitlab.com/xen-project/xen/-/jobs/6966698361 > Fixes: 19b6e9f9149f ("x86/MCE: optional build of AMD/Intel MCE code") > Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx> > --- > CC: Jan Beulich <JBeulich@xxxxxxxx> > CC: Roger Pau Monné <roger.pau@xxxxxxxxxx> > CC: Sergiy Kibrik <Sergiy_Kibrik@xxxxxxxx> > CC: Stefano Stabellini <sstabellini@xxxxxxxxxx> > CC: Oleksii Kurochko <oleksii.kurochko@xxxxxxxxx> > > We're past feature freeze and this was a silent change in a patch, > which was > also untested. A 30s look at mcheck_init() shows clearly that it's > not a 30s > job to fix. > --- Release-Acked-by: Oleksii Kurochko <oleksii.kurochko@xxxxxxxxx> ~ Oleksii > xen/arch/x86/cpu/mcheck/mce.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/xen/arch/x86/cpu/mcheck/mce.c > b/xen/arch/x86/cpu/mcheck/mce.c > index 1664ca6412ac..32c1b2756b90 100644 > --- a/xen/arch/x86/cpu/mcheck/mce.c > +++ b/xen/arch/x86/cpu/mcheck/mce.c > @@ -38,10 +38,10 @@ DEFINE_PER_CPU_READ_MOSTLY(unsigned int, > nr_mce_banks); > unsigned int __read_mostly firstbank; > unsigned int __read_mostly ppin_msr; > uint8_t __read_mostly cmci_apic_vector; > -bool __ro_after_init cmci_support; > +bool __read_mostly cmci_support; > > /* If mce_force_broadcast == 1, lmce_support will be disabled > forcibly. */ > -bool __ro_after_init lmce_support; > +bool __read_mostly lmce_support; > > DEFINE_PER_CPU_READ_MOSTLY(struct mca_banks *, poll_bankmask); > DEFINE_PER_CPU_READ_MOSTLY(struct mca_banks *, no_cmci_banks); > > base-commit: 0840bc5ea114f536a4bdfb2ca095b79f2069aae6
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