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EDAC, amd64_edac: Get rid of per-node driver instances 

... and do the proper thing using EDAC core facilities.

Cc: Daniel J Blueman <daniel@numascale.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
This commit is contained in:
Borislav Petkov 2015-02-17 10:58:34 +01:00
parent c6b97bcf8e
commit 2ec591ac74
1 changed files with 13 additions and 20 deletions
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33
drivers/edac/amd64_edac.c
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@ -20,8 +20,7 @@ static struct msr __percpu *msrs;
*/
static atomic_t drv_instances = ATOMIC_INIT(0);
/* Per-node driver instances */
static struct mem_ctl_info **mcis;
/* Per-node stuff */
static struct ecc_settings **ecc_stngs;
/*
@ -903,9 +902,17 @@ static int k8_early_channel_count(struct amd64_pvt *pvt)
/* On F10h and later ErrAddr is MC4_ADDR[47:1] */
static u64 get_error_address(struct amd64_pvt *pvt, struct mce *m)
{
u64 addr;
u16 mce_nid = amd_get_nb_id(m->extcpu);
struct mem_ctl_info *mci;
u8 start_bit = 1;
u8 end_bit = 47;
u64 addr;
mci = edac_mc_find(mce_nid);
if (!mci)
return 0;
pvt = mci->pvt_info;
if (pvt->fam == 0xf) {
start_bit = 3;
@ -918,17 +925,13 @@ static u64 get_error_address(struct amd64_pvt *pvt, struct mce *m)
* Erratum 637 workaround
*/
if (pvt->fam == 0x15) {
struct amd64_pvt *pvt;
u64 cc6_base, tmp_addr;
u32 tmp;
u16 mce_nid;
u8 intlv_en;
if ((addr & GENMASK_ULL(47, 24)) >> 24 != 0x00fdf7)
return addr;
mce_nid = amd_get_nb_id(m->extcpu);
pvt = mcis[mce_nid]->pvt_info;
amd64_read_pci_cfg(pvt->F1, DRAM_LOCAL_NODE_LIM, &tmp);
intlv_en = tmp >> 21 & 0x7;
@ -1511,7 +1514,7 @@ static int f1x_lookup_addr_in_dct(u64 in_addr, u8 nid, u8 dct)
int cs_found = -EINVAL;
int csrow;
mci = mcis[nid];
mci = edac_mc_find(nid);
if (!mci)
return cs_found;
@ -2837,8 +2840,6 @@ static int init_one_instance(struct pci_dev *F2)
amd_register_ecc_decoder(decode_bus_error);
mcis[nid] = mci;
atomic_inc(&drv_instances);
return 0;
@ -2936,7 +2937,6 @@ static void remove_one_instance(struct pci_dev *pdev)
/* Free the EDAC CORE resources */
mci->pvt_info = NULL;
mcis[nid] = NULL;
kfree(pvt);
edac_mc_free(mci);
@ -2974,7 +2974,7 @@ static void setup_pci_device(void)
if (pci_ctl)
return;
mci = mcis[0];
mci = edac_mc_find(0);
if (!mci)
return;
@ -2998,9 +2998,8 @@ static int __init amd64_edac_init(void)
goto err_ret;
err = -ENOMEM;
mcis = kzalloc(amd_nb_num() * sizeof(mcis[0]), GFP_KERNEL);
ecc_stngs = kzalloc(amd_nb_num() * sizeof(ecc_stngs[0]), GFP_KERNEL);
if (!(mcis && ecc_stngs))
if (!ecc_stngs)
goto err_free;
msrs = msrs_alloc();
@ -3031,9 +3030,6 @@ err_pci:
msrs = NULL;
err_free:
kfree(mcis);
mcis = NULL;
kfree(ecc_stngs);
ecc_stngs = NULL;
@ -3051,9 +3047,6 @@ static void __exit amd64_edac_exit(void)
kfree(ecc_stngs);
ecc_stngs = NULL;
kfree(mcis);
mcis = NULL;
msrs_free(msrs);
msrs = NULL;
}