[tip:ras/core] x86/RAS: Simplify SMCA bank descriptor struct

From: tip-bot for Borislav Petkov
Date: Tue Nov 08 2016 - 11:20:38 EST


Commit-ID: 79349f529ab1a629b9e43e81b4a5b2c22d1e9a65
Gitweb: http://git.kernel.org/tip/79349f529ab1a629b9e43e81b4a5b2c22d1e9a65
Author: Borislav Petkov <bp@xxxxxxx>
AuthorDate: Tue, 1 Nov 2016 17:33:00 +0100
Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
CommitDate: Tue, 8 Nov 2016 17:10:14 +0100

x86/RAS: Simplify SMCA bank descriptor struct

Call the struct simply smca_bank, it's instance ID can be simply ->id.
Makes the code much more readable.

Signed-off-by: Borislav Petkov <bp@xxxxxxx>
Tested-by: Yazen Ghannam <yazen.ghannam@xxxxxxx>
Link: http://lkml.kernel.org/r/20161103125556.15482-1-bp@xxxxxxxxx
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
---
arch/x86/include/asm/mce.h | 7 ++++---
arch/x86/kernel/cpu/mcheck/mce_amd.c | 10 +++++-----
2 files changed, 9 insertions(+), 8 deletions(-)

diff --git a/arch/x86/include/asm/mce.h b/arch/x86/include/asm/mce.h
index 9bd7ff5..4d97875 100644
--- a/arch/x86/include/asm/mce.h
+++ b/arch/x86/include/asm/mce.h
@@ -371,12 +371,13 @@ struct smca_hwid_mcatype {
u32 xec_bitmap; /* Bitmap of valid ExtErrorCodes; current max is 21. */
};

-struct smca_bank_info {
+struct smca_bank {
struct smca_hwid_mcatype *type;
- u32 type_instance;
+ /* Instance ID */
+ u32 id;
};

-extern struct smca_bank_info smca_banks[MAX_NR_BANKS];
+extern struct smca_bank smca_banks[MAX_NR_BANKS];

#endif

diff --git a/arch/x86/kernel/cpu/mcheck/mce_amd.c b/arch/x86/kernel/cpu/mcheck/mce_amd.c
index 9b54034..ac2f4f2 100644
--- a/arch/x86/kernel/cpu/mcheck/mce_amd.c
+++ b/arch/x86/kernel/cpu/mcheck/mce_amd.c
@@ -116,7 +116,7 @@ static struct smca_hwid_mcatype smca_hwid_mcatypes[] = {
{ SMCA_SMU, HWID_MCATYPE(0x01, 0x0), 0x1 },
};

-struct smca_bank_info smca_banks[MAX_NR_BANKS];
+struct smca_bank smca_banks[MAX_NR_BANKS];
EXPORT_SYMBOL_GPL(smca_banks);

/*
@@ -150,14 +150,14 @@ static void get_smca_bank_info(unsigned int bank)
{
unsigned int i, hwid_mcatype, cpu = smp_processor_id();
struct smca_hwid_mcatype *type;
- u32 high, instanceId;
+ u32 high, instance_id;
u16 hwid, mcatype;

/* Collect bank_info using CPU 0 for now. */
if (cpu)
return;

- if (rdmsr_safe_on_cpu(cpu, MSR_AMD64_SMCA_MCx_IPID(bank), &instanceId, &high)) {
+ if (rdmsr_safe_on_cpu(cpu, MSR_AMD64_SMCA_MCx_IPID(bank), &instance_id, &high)) {
pr_warn("Failed to read MCA_IPID for bank %d\n", bank);
return;
}
@@ -170,7 +170,7 @@ static void get_smca_bank_info(unsigned int bank)
type = &smca_hwid_mcatypes[i];
if (hwid_mcatype == type->hwid_mcatype) {
smca_banks[bank].type = type;
- smca_banks[bank].type_instance = instanceId;
+ smca_banks[bank].id = instance_id;
break;
}
}
@@ -839,7 +839,7 @@ static const char *get_name(unsigned int bank, struct threshold_block *b)

snprintf(buf_mcatype, MAX_MCATYPE_NAME_LEN,
"%s_%x", smca_bank_names[bank_type].name,
- smca_banks[bank].type_instance);
+ smca_banks[bank].id);
return buf_mcatype;
}