From 4b737d78a8081cb2def7ced262a212c31363539a Mon Sep 17 00:00:00 2001 From: Chen Yucong Date: Tue, 23 Sep 2014 10:16:01 +0800 Subject: [PATCH] x86, MCE, AMD: Use macros to compute bank MSRs Avoid open coded calculations for bank MSRs by hiding the index of higher bank MSRs in well-defined macros. No semantic changes. Signed-off-by: Chen Yucong Link: http://lkml.kernel.org/r/1411438561-24319-1-git-send-email-slaoub@gmail.com Signed-off-by: Borislav Petkov --- arch/x86/kernel/cpu/mcheck/mce_amd.c | 10 ++++------ 1 file changed, 4 insertions(+), 6 deletions(-) diff --git a/arch/x86/kernel/cpu/mcheck/mce_amd.c b/arch/x86/kernel/cpu/mcheck/mce_amd.c index 5d4999f..f8c56bd 100644 --- a/arch/x86/kernel/cpu/mcheck/mce_amd.c +++ b/arch/x86/kernel/cpu/mcheck/mce_amd.c @@ -217,7 +217,7 @@ void mce_amd_feature_init(struct cpuinfo_x86 *c) for (bank = 0; bank < mca_cfg.banks; ++bank) { for (block = 0; block < NR_BLOCKS; ++block) { if (block == 0) - address = MSR_IA32_MC0_MISC + bank * 4; + address = MSR_IA32_MCx_MISC(bank); else if (block == 1) { address = (low & MASK_BLKPTR_LO) >> 21; if (!address) @@ -281,7 +281,7 @@ static void amd_threshold_interrupt(void) continue; for (block = 0; block < NR_BLOCKS; ++block) { if (block == 0) { - address = MSR_IA32_MC0_MISC + bank * 4; + address = MSR_IA32_MCx_MISC(bank); } else if (block == 1) { address = (low & MASK_BLKPTR_LO) >> 21; if (!address) @@ -314,8 +314,7 @@ static void amd_threshold_interrupt(void) if (high & MASK_OVERFLOW_HI) { rdmsrl(address, m.misc); - rdmsrl(MSR_IA32_MC0_STATUS + bank * 4, - m.status); + rdmsrl(MSR_IA32_MCx_STATUS(bank), m.status); m.bank = K8_MCE_THRESHOLD_BASE + bank * NR_BLOCKS + block; @@ -617,8 +616,7 @@ static int threshold_create_bank(unsigned int cpu, unsigned int bank) } } - err = allocate_threshold_blocks(cpu, bank, 0, - MSR_IA32_MC0_MISC + bank * 4); + err = allocate_threshold_blocks(cpu, bank, 0, MSR_IA32_MCx_MISC(bank)); if (!err) goto out; -- 2.7.4