diff options
-rw-r--r-- | arch/x86/kernel/cpu/mcheck/mce_amd.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/arch/x86/kernel/cpu/mcheck/mce_amd.c b/arch/x86/kernel/cpu/mcheck/mce_amd.c index 486f640b02ef..f3bbc7bde471 100644 --- a/arch/x86/kernel/cpu/mcheck/mce_amd.c +++ b/arch/x86/kernel/cpu/mcheck/mce_amd.c @@ -416,6 +416,21 @@ static u32 get_block_address(unsigned int cpu, u32 current_addr, u32 low, u32 hi { u32 addr = 0, offset = 0; + if ((bank >= mca_cfg.banks) || (block >= NR_BLOCKS)) + return addr; + + /* Get address from already initialized block. */ + if (per_cpu(threshold_banks, cpu)) { + struct threshold_bank *bankp = per_cpu(threshold_banks, cpu)[bank]; + + if (bankp && bankp->blocks) { + struct threshold_block *blockp = &bankp->blocks[block]; + + if (blockp) + return blockp->address; + } + } + if (mce_flags.smca) { if (!block) { addr = MSR_AMD64_SMCA_MCx_MISC(bank); |