From f38ce910d8dfb7da439d0578d4b97259168306cd Mon Sep 17 00:00:00 2001 From: Mukul Joshi Date: Sat, 27 Mar 2021 22:54:04 -0400 Subject: [PATCH] x86/MCE/AMD: Export smca_get_bank_type symbol Export smca_get_bank_type for use in the AMD GPU driver to determine MCA bank while handling correctable and uncorrectable errors in GPU UMC. Signed-off-by: Mukul Joshi Acked-by: Borislav Petkov Signed-off-by: Alex Deucher --- arch/x86/include/asm/mce.h | 2 +- arch/x86/kernel/cpu/mce/amd.c | 3 ++- 2 files changed, 3 insertions(+), 2 deletions(-) diff --git a/arch/x86/include/asm/mce.h b/arch/x86/include/asm/mce.h index da93215..d69f716 100644 --- a/arch/x86/include/asm/mce.h +++ b/arch/x86/include/asm/mce.h @@ -358,7 +358,7 @@ extern int mce_threshold_remove_device(unsigned int cpu); void mce_amd_feature_init(struct cpuinfo_x86 *c); int umc_normaddr_to_sysaddr(u64 norm_addr, u16 nid, u8 umc, u64 *sys_addr); - +enum smca_bank_types smca_get_bank_type(unsigned int bank); #else static inline int mce_threshold_create_device(unsigned int cpu) { return 0; }; diff --git a/arch/x86/kernel/cpu/mce/amd.c b/arch/x86/kernel/cpu/mce/amd.c index 08831ac..1a2a90b 100644 --- a/arch/x86/kernel/cpu/mce/amd.c +++ b/arch/x86/kernel/cpu/mce/amd.c @@ -119,7 +119,7 @@ const char *smca_get_long_name(enum smca_bank_types t) } EXPORT_SYMBOL_GPL(smca_get_long_name); -static enum smca_bank_types smca_get_bank_type(unsigned int bank) +enum smca_bank_types smca_get_bank_type(unsigned int bank) { struct smca_bank *b; @@ -132,6 +132,7 @@ static enum smca_bank_types smca_get_bank_type(unsigned int bank) return b->hwid->bank_type; } +EXPORT_SYMBOL_GPL(smca_get_bank_type); static struct smca_hwid smca_hwid_mcatypes[] = { /* { bank_type, hwid_mcatype } */ -- 2.7.4