Messages in this thread Patch in this message | | | Date | Mon, 4 Sep 2017 09:20:33 +0200 | From | Ingo Molnar <> | Subject | [GIT PULL] RAS update for v4.14 |
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Linus,
Please pull the latest ras-core-for-linus git tree from:
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git ras-core-for-linus
# HEAD: 9662d43f523dfc0dc242ec29c2921c43898d6ae5 x86/mce/AMD: Allow any CPU to initialize the smca_banks array
A single change fixing SMCA bank initialization on systems that don't have CPU0 enabled.
Thanks,
Ingo
------------------> Yazen Ghannam (1): x86/mce/AMD: Allow any CPU to initialize the smca_banks array
arch/x86/kernel/cpu/mcheck/mce_amd.c | 9 ++------- 1 file changed, 2 insertions(+), 7 deletions(-)
diff --git a/arch/x86/kernel/cpu/mcheck/mce_amd.c b/arch/x86/kernel/cpu/mcheck/mce_amd.c index 9e314bcf67cc..5ce1a5689162 100644 --- a/arch/x86/kernel/cpu/mcheck/mce_amd.c +++ b/arch/x86/kernel/cpu/mcheck/mce_amd.c @@ -201,8 +201,8 @@ static void smca_configure(unsigned int bank, unsigned int cpu) wrmsr(smca_config, low, high); } - /* Collect bank_info using CPU 0 for now. */ - if (cpu) + /* Return early if this bank was already initialized. */ + if (smca_banks[bank].hwid) return; if (rdmsr_safe_on_cpu(cpu, MSR_AMD64_SMCA_MCx_IPID(bank), &low, &high)) { @@ -216,11 +216,6 @@ static void smca_configure(unsigned int bank, unsigned int cpu) for (i = 0; i < ARRAY_SIZE(smca_hwid_mcatypes); i++) { s_hwid = &smca_hwid_mcatypes[i]; if (hwid_mcatype == s_hwid->hwid_mcatype) { - - WARN(smca_banks[bank].hwid, - "Bank %s already initialized!\n", - smca_get_name(s_hwid->bank_type)); - smca_banks[bank].hwid = s_hwid; smca_banks[bank].id = low; smca_banks[bank].sysfs_id = s_hwid->count++;
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