linux-kernel - [PATCH v2 21/22] EDAC/amd64: Split dump_misc

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20230127170419.1824692-22-yazen.ghannam@amd.com>
Date:   Fri, 27 Jan 2023 17:04:18 +0000
From:   Yazen Ghannam <yazen.ghannam@....com>
To:     <bp@...en8.de>, <linux-edac@...r.kernel.org>
CC:     <linux-kernel@...r.kernel.org>, <muralidhara.mk@....com>,
        <naveenkrishna.chatradhi@....com>,
        Yazen Ghannam <yazen.ghannam@....com>
Subject: [PATCH v2 21/22] EDAC/amd64: Split dump_misc_regs() into dct/umc functions

From: Muralidhara M K <muralidhara.mk@....com>

...and add a function pointer to pvt->ops.

No functional change is intended.

Signed-off-by: Muralidhara M K <muralidhara.mk@....com>
Co-developed-by: Naveen Krishna Chatradhi <naveenkrishna.chatradhi@....com>
Signed-off-by: Naveen Krishna Chatradhi <naveenkrishna.chatradhi@....com>
[Rebased/reworked patch and reworded commit message]
Co-developed-by: Yazen Ghannam <yazen.ghannam@....com>
Signed-off-by: Yazen Ghannam <yazen.ghannam@....com>
---
Link:
https://lore.kernel.org/r/20220509145534.44912-17-yazen.ghannam@amd.com

v1->v2:
* Call function directly instead of using pointers.

 drivers/edac/amd64_edac.c | 19 ++++++-------------
 drivers/edac/amd64_edac.h |  1 +
 2 files changed, 7 insertions(+), 13 deletions(-)

diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c
index ddf2178dabff..6b450544a892 100644
--- a/drivers/edac/amd64_edac.c
+++ b/drivers/edac/amd64_edac.c
@@ -1525,7 +1525,7 @@ static void umc_debug_display_dimm_sizes(struct amd64_pvt *pvt, u8 ctrl)
 	}
 }
 
-static void __dump_misc_regs_df(struct amd64_pvt *pvt)
+static void umc_dump_misc_regs(struct amd64_pvt *pvt)
 {
 	struct amd64_umc *umc;
 	u32 i, tmp, umc_base;
@@ -1568,8 +1568,7 @@ static void __dump_misc_regs_df(struct amd64_pvt *pvt)
 	}
 }
 
-/* Display and decode various NB registers for debug purposes. */
-static void __dump_misc_regs(struct amd64_pvt *pvt)
+static void dct_dump_misc_regs(struct amd64_pvt *pvt)
 {
 	edac_dbg(1, "F3xE8 (NB Cap): 0x%08x\n", pvt->nbcap);
 
@@ -1606,15 +1605,6 @@ static void __dump_misc_regs(struct amd64_pvt *pvt)
 	amd64_info("using x%u syndromes.\n", pvt->ecc_sym_sz);
 }
 
-/* Display and decode various NB registers for debug purposes. */
-static void dump_misc_regs(struct amd64_pvt *pvt)
-{
-	if (pvt->umc)
-		__dump_misc_regs_df(pvt);
-	else
-		__dump_misc_regs(pvt);
-}
-
 /*
  * See BKDG, F2x[1,0][5C:40], F2[1,0][6C:60]
  */
@@ -3694,6 +3684,7 @@ static struct low_ops umc_ops = {
 	.hw_info_get			= umc_hw_info_get,
 	.ecc_enabled			= umc_ecc_enabled,
 	.setup_mci_misc_attrs		= umc_setup_mci_misc_attrs,
+	.dump_misc_regs			= umc_dump_misc_regs,
 };
 
 /* Use Family 16h versions for defaults and adjust as needed below. */
@@ -3703,6 +3694,7 @@ static struct low_ops dct_ops = {
 	.hw_info_get			= dct_hw_info_get,
 	.ecc_enabled			= dct_ecc_enabled,
 	.setup_mci_misc_attrs		= dct_setup_mci_misc_attrs,
+	.dump_misc_regs			= dct_dump_misc_regs,
 };
 
 static int per_family_init(struct amd64_pvt *pvt)
@@ -3953,7 +3945,8 @@ static int probe_one_instance(unsigned int nid)
 
 	amd64_info("%s detected (node %d).\n", pvt->ctl_name, pvt->mc_node_id);
 
-	dump_misc_regs(pvt);
+	/* Display and decode various registers for debug purposes. */
+	pvt->ops->dump_misc_regs(pvt);
 
 	return ret;
 
diff --git a/drivers/edac/amd64_edac.h b/drivers/edac/amd64_edac.h
index 1fb39d7981a2..1c64fd4a14b1 100644
--- a/drivers/edac/amd64_edac.h
+++ b/drivers/edac/amd64_edac.h
@@ -469,6 +469,7 @@ struct low_ops {
 	int (*hw_info_get)(struct amd64_pvt *pvt);
 	bool (*ecc_enabled)(struct amd64_pvt *pvt);
 	void (*setup_mci_misc_attrs)(struct mem_ctl_info *mci);
+	void (*dump_misc_regs)(struct amd64_pvt *pvt);
 };
 
 int __amd64_read_pci_cfg_dword(struct pci_dev *pdev, int offset,
-- 
2.25.1