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Commit 1ce9cd7f authored by Borislav Petkov's avatar Borislav Petkov Committed by Thomas Gleixner
Browse files

x86/RAS: Simplify SMCA HWID descriptor struct 



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

Signed-off-by: default avatarBorislav Petkov <bp@suse.de>
Tested-by: default avatarYazen Ghannam <yazen.ghannam@amd.com>
Link: http://lkml.kernel.org/r/20161103125556.15482-2-bp@alien8.de


Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
parent 79349f52

arch/x86/include/asm/mce.h

+2 −2
Original line number Diff line number Diff line
@@ -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;

};

arch/x86/kernel/cpu/mcheck/mce_amd.c

+9 −15
Original line number Diff line number Diff line
@@ -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))

drivers/edac/mce_amd.c

+5 −5
Original line number Diff line number Diff line
@@ -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]);

	}