From: Qiuxu Zhuo Date: Fri, 25 Oct 2024 02:45:54 +0000 (+0800) Subject: x86/mce/intel: Use MCG_BANKCNT_MASK instead of 0xff X-Git-Tag: v6.13-rc1~187^2~5 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=754269ccf03d68da15b9e5cdd26a6464b81cec67;p=thirdparty%2Fkernel%2Flinux.git x86/mce/intel: Use MCG_BANKCNT_MASK instead of 0xff Use the predefined MCG_BANKCNT_MASK macro instead of the hardcoded 0xff to mask the bank number bits. No functional changes intended. Signed-off-by: Qiuxu Zhuo Signed-off-by: Borislav Petkov (AMD) Reviewed-by: Tony Luck Reviewed-by: Nikolay Borisov Reviewed-by: Sohil Mehta Link: https://lore.kernel.org/r/20241025024602.24318-3-qiuxu.zhuo@intel.com --- diff --git a/arch/x86/kernel/cpu/mce/intel.c b/arch/x86/kernel/cpu/mce/intel.c index f6103e6bf69a8..b3cd2c61b11d2 100644 --- a/arch/x86/kernel/cpu/mce/intel.c +++ b/arch/x86/kernel/cpu/mce/intel.c @@ -94,7 +94,7 @@ static int cmci_supported(int *banks) if (!boot_cpu_has(X86_FEATURE_APIC) || lapic_get_maxlvt() < 6) return 0; rdmsrl(MSR_IA32_MCG_CAP, cap); - *banks = min_t(unsigned, MAX_NR_BANKS, cap & 0xff); + *banks = min_t(unsigned, MAX_NR_BANKS, cap & MCG_BANKCNT_MASK); return !!(cap & MCG_CMCI_P); }