x86/RAS: Simplify SMCA HWID descriptor struct

Call it simply smca_hwid and call local variables "hwid". More readable.

Signed-off-by: Borislav Petkov <bp@suse.de>
Tested-by: Yazen Ghannam <yazen.ghannam@amd.com>
Link: http://lkml.kernel.org/r/20161103125556.15482-2-bp@alien8.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

diff --git a/arch/x86/include/asm/mce.h b/arch/x86/include/asm/mce.h
index 4d97875..ccc801a 100644 (file)
--- a/arch/x86/include/asm/mce.h
+++ b/arch/x86/include/asm/mce.h
@@ -365,14 +365,14 @@ extern struct smca_bank_name smca_bank_names[N_SMCA_BANK_TYPES];
 
 #define HWID_MCATYPE(hwid, mcatype) ((hwid << 16) | mcatype)
 
-struct smca_hwid_mcatype {
+struct smca_hwid {
        unsigned int bank_type; /* Use with smca_bank_types for easy indexing. */
        u32 hwid_mcatype;       /* (hwid,mcatype) tuple */
        u32 xec_bitmap;         /* Bitmap of valid ExtErrorCodes; current max is 21. */
 };
 
 struct smca_bank {
-       struct smca_hwid_mcatype *type;
+       struct smca_hwid *hwid;
        /* Instance ID */
        u32 id;
 };

diff --git a/arch/x86/kernel/cpu/mcheck/mce_amd.c b/arch/x86/kernel/cpu/mcheck/mce_amd.c
index ac2f4f2..ff81667 100644 (file)
--- a/arch/x86/kernel/cpu/mcheck/mce_amd.c
+++ b/arch/x86/kernel/cpu/mcheck/mce_amd.c
@@ -86,7 +86,7 @@ struct smca_bank_name smca_bank_names[] = {
 };
 EXPORT_SYMBOL_GPL(smca_bank_names);
 
-static struct smca_hwid_mcatype smca_hwid_mcatypes[] = {
+static struct smca_hwid smca_hwid_mcatypes[] = {
        /* { bank_type, hwid_mcatype, xec_bitmap } */
 
        /* ZN Core (HWID=0xB0) MCA types */
@@ -142,16 +142,11 @@ static void default_deferred_error_interrupt(void)
 }
 void (*deferred_error_int_vector)(void) = default_deferred_error_interrupt;
 
-/*
- * CPU Initialization
- */
-
 static void get_smca_bank_info(unsigned int bank)
 {
        unsigned int i, hwid_mcatype, cpu = smp_processor_id();
-       struct smca_hwid_mcatype *type;
+       struct smca_hwid *s_hwid;
        u32 high, instance_id;
-       u16 hwid, mcatype;
 
        /* Collect bank_info using CPU 0 for now. */
        if (cpu)
@@ -162,14 +157,13 @@ static void get_smca_bank_info(unsigned int bank)
                return;
        }
 
-       hwid = high & MCI_IPID_HWID;
-       mcatype = (high & MCI_IPID_MCATYPE) >> 16;
-       hwid_mcatype = HWID_MCATYPE(hwid, mcatype);
+       hwid_mcatype = HWID_MCATYPE(high & MCI_IPID_HWID,
+                                   (high & MCI_IPID_MCATYPE) >> 16);
 
        for (i = 0; i < ARRAY_SIZE(smca_hwid_mcatypes); i++) {
-               type = &smca_hwid_mcatypes[i];
-               if (hwid_mcatype == type->hwid_mcatype) {
-                       smca_banks[bank].type = type;
+               s_hwid = &smca_hwid_mcatypes[i];
+               if (hwid_mcatype == s_hwid->hwid_mcatype) {
+                       smca_banks[bank].hwid = s_hwid;
                        smca_banks[bank].id = instance_id;
                        break;
                }
@@ -826,10 +820,10 @@ static const char *get_name(unsigned int bank, struct threshold_block *b)
                return th_names[bank];
        }
 
-       if (!smca_banks[bank].type)
+       if (!smca_banks[bank].hwid)
                return NULL;
 
-       bank_type = smca_banks[bank].type->bank_type;
+       bank_type = smca_banks[bank].hwid->bank_type;
 
        if (b && bank_type == SMCA_UMC) {
                if (b->block < ARRAY_SIZE(smca_umc_block_names))

diff --git a/drivers/edac/mce_amd.c b/drivers/edac/mce_amd.c
index daaac2c..8e96c6d 100644 (file)
--- a/drivers/edac/mce_amd.c
+++ b/drivers/edac/mce_amd.c
@@ -851,7 +851,7 @@ static void decode_mc6_mce(struct mce *m)
 /* Decode errors according to Scalable MCA specification */
 static void decode_smca_errors(struct mce *m)
 {
-       struct smca_hwid_mcatype *type;
+       struct smca_hwid *hwid;
        unsigned int bank_type;
        const char *ip_name;
        u8 xec = XEC(m->status, xec_mask);
@@ -862,18 +862,18 @@ static void decode_smca_errors(struct mce *m)
        if (boot_cpu_data.x86 >= 0x17 && m->bank == 4)
                pr_emerg(HW_ERR "Bank 4 is reserved on Fam17h.\n");
 
-       type = smca_banks[m->bank].type;
-       if (!type)
+       hwid = smca_banks[m->bank].hwid;
+       if (!hwid)
                return;
 
-       bank_type = type->bank_type;
+       bank_type = hwid->bank_type;
        ip_name = smca_bank_names[bank_type].long_name;
 
        pr_emerg(HW_ERR "%s Extended Error Code: %d\n", ip_name, xec);
 
        /* Only print the decode of valid error codes */
        if (xec < smca_mce_descs[bank_type].num_descs &&
-                       (type->xec_bitmap & BIT_ULL(xec))) {
+                       (hwid->xec_bitmap & BIT_ULL(xec))) {
                pr_emerg(HW_ERR "%s Error: ", ip_name);
                pr_cont("%s.\n", smca_mce_descs[bank_type].descs[xec]);
        }