From: Yazen Ghannam yazen.ghannam@amd.com
mainline inclusion from mainline-v5.5-rc1 commit 38ddd4d1574530e1447b6ad91d27225d0f7662fb category: feature bugzilla: https://gitee.com/openeuler/kernel/issues/I4MKP4 CVE: NA
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The struct amd64_family_type doesn't change between multiple nodes and instances of the module, so make it global.
Signed-off-by: Yazen Ghannam yazen.ghannam@amd.com Signed-off-by: Borislav Petkov bp@suse.de Cc: "linux-edac@vger.kernel.org" linux-edac@vger.kernel.org Cc: James Morse james.morse@arm.com Cc: Mauro Carvalho Chehab mchehab@kernel.org Cc: Robert Richter rrichter@marvell.com Cc: Tony Luck tony.luck@intel.com Link: https://lkml.kernel.org/r/20191106012448.243970-2-Yazen.Ghannam@amd.com Signed-off-by: Jackie Liu liuyun01@kylinos.cn #openEuler_contributor Signed-off-by: Laibin Qiu qiulaibin@huawei.com --- drivers/edac/amd64_edac.c | 12 +++++------- 1 file changed, 5 insertions(+), 7 deletions(-)
diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c index 62dd8032f2d8..b195962cc955 100644 --- a/drivers/edac/amd64_edac.c +++ b/drivers/edac/amd64_edac.c @@ -15,6 +15,8 @@ module_param(ecc_enable_override, int, 0644);
static struct msr __percpu *msrs;
+static struct amd64_family_type *fam_type; + /* Per-node stuff */ static struct ecc_settings **ecc_stngs;
@@ -3272,8 +3274,7 @@ f17h_determine_edac_ctl_cap(struct mem_ctl_info *mci, struct amd64_pvt *pvt) } }
-static void setup_mci_misc_attrs(struct mem_ctl_info *mci, - struct amd64_family_type *fam) +static void setup_mci_misc_attrs(struct mem_ctl_info *mci) { struct amd64_pvt *pvt = mci->pvt_info;
@@ -3292,7 +3293,7 @@ static void setup_mci_misc_attrs(struct mem_ctl_info *mci,
mci->edac_cap = determine_edac_cap(pvt); mci->mod_name = EDAC_MOD_STR; - mci->ctl_name = fam->ctl_name; + mci->ctl_name = fam_type->ctl_name; mci->dev_name = pci_name(pvt->F3); mci->ctl_page_to_phys = NULL;
@@ -3306,8 +3307,6 @@ static void setup_mci_misc_attrs(struct mem_ctl_info *mci, */ static struct amd64_family_type *per_family_init(struct amd64_pvt *pvt) { - struct amd64_family_type *fam_type = NULL; - pvt->ext_model = boot_cpu_data.x86_model >> 4; pvt->stepping = boot_cpu_data.x86_stepping; pvt->model = boot_cpu_data.x86_model; @@ -3414,7 +3413,6 @@ static void compute_num_umcs(void) static int init_one_instance(unsigned int nid) { struct pci_dev *F3 = node_to_amd_nb(nid)->misc; - struct amd64_family_type *fam_type = NULL; struct mem_ctl_info *mci = NULL; struct edac_mc_layer layers[2]; struct amd64_pvt *pvt = NULL; @@ -3491,7 +3489,7 @@ static int init_one_instance(unsigned int nid) mci->pvt_info = pvt; mci->pdev = &pvt->F3->dev;
- setup_mci_misc_attrs(mci, fam_type); + setup_mci_misc_attrs(mci);
if (init_csrows(mci)) mci->edac_cap = EDAC_FLAG_NONE;