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...lized scenarios when a hypervisor prefers to report fewer banks that the physical HW provides. Since number of supported banks is reported in MSR_IA32_MCG_CAP[7:0] that''s what we should use. Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com> --- arch/x86/kernel/cpu/mcheck/mce_amd.c | 21 +++++++++++++-------- 1 file changed, 13 insertions(+), 8 deletions(-) diff --git a/arch/x86/kernel/cpu/mcheck/mce_amd.c b/arch/x86/kernel/cpu/mcheck/mce_amd.c index 1ac581f..cb7c739 100644 --- a/arch/x86/kernel/cpu/mcheck/mce_amd.c +++ b/arch/x86/kernel/cpu/mcheck/mce_amd.c @@ -33,7 +33,6...

...scenarios when a hypervisor prefers to report fewer banks than what the physical HW provides. Since number of supported banks is reported in MSR_IA32_MCG_CAP[7:0] that''s what we should use. Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com> --- arch/x86/kernel/cpu/mcheck/mce_amd.c | 21 ++++++++++++++------- 1 file changed, 14 insertions(+), 7 deletions(-) diff --git a/arch/x86/kernel/cpu/mcheck/mce_amd.c b/arch/x86/kernel/cpu/mcheck/mce_amd.c index 654a155..13a22e2 100644 --- a/arch/x86/kernel/cpu/mcheck/mce_amd.c +++ b/arch/x86/kernel/cpu/mcheck/mce_amd.c @@ -33,7 +33,6...

...MD plus a patch removing shared_bank array, as you suggested. Offline/online testing didn''t show any issues. Boris Ostrovsky (2): x86/mce: Replace shared_bank array with is_shared_bank() helper x86/mce: Use MCG_CAP MSR to find out number of banks on AMD arch/x86/kernel/cpu/mcheck/mce_amd.c | 38 ++++++++++++++++++++++-------------- 1 file changed, 23 insertions(+), 15 deletions(-) -- 1.8.1.2