[PATCHv2 1/2] x86/MCE/AMD: Export smca_get_bank_type symbol

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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.

v1->v2:
- Drop the function is_smca_umc_v2().
- Drop the patch to introduce a new MCE priority (MCE_PRIO_ACEL)
  for GPU/accelarator cards.

Signed-off-by: Mukul Joshi <mukul.joshi@xxxxxxx>
---
 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 fc3d36f1f9d0..d90d3ccb583a 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 67a337672ee4..c9272c53026e 100644
--- a/arch/x86/kernel/cpu/mce/amd.c
+++ b/arch/x86/kernel/cpu/mce/amd.c
@@ -123,7 +123,7 @@ 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;
 
@@ -136,6 +136,7 @@ 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 } */
-- 
2.17.1




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