linux-kernel - [tip: x86/microcode] x86/microcode: Kill refresh

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]

Date:   Wed, 02 Nov 2022 16:08:58 -0000
From:   "tip-bot2 for Borislav Petkov" <tip-bot2@...utronix.de>
To:     linux-tip-commits@...r.kernel.org
Cc:     Borislav Petkov <bp@...e.de>, Ashok Raj <ashok.raj@...el.com>,
        x86@...nel.org, linux-kernel@...r.kernel.org
Subject: [tip: x86/microcode] x86/microcode: Kill refresh_fw

The following commit has been merged into the x86/microcode branch of tip:

Commit-ID:     a61ac80ae52ea349416472cd52005f9988537208
Gitweb:        https://git.kernel.org/tip/a61ac80ae52ea349416472cd52005f9988537208
Author:        Borislav Petkov <bp@...e.de>
AuthorDate:    Wed, 19 Oct 2022 19:16:20 +02:00
Committer:     Borislav Petkov <bp@...e.de>
CommitterDate: Wed, 02 Nov 2022 16:45:46 +01:00

x86/microcode: Kill refresh_fw

request_microcode_fw() can always request firmware now so drop this
superfluous argument.

Signed-off-by: Borislav Petkov <bp@...e.de>
Reviewed-by: Ashok Raj <ashok.raj@...el.com>
Link: https://lore.kernel.org/r/20221028142638.28498-4-bp@alien8.de
---
 arch/x86/include/asm/microcode.h      | 3 +--
 arch/x86/kernel/cpu/microcode/amd.c   | 5 ++---
 arch/x86/kernel/cpu/microcode/core.c  | 2 +-
 arch/x86/kernel/cpu/microcode/intel.c | 3 +--
 4 files changed, 5 insertions(+), 8 deletions(-)

diff --git a/arch/x86/include/asm/microcode.h b/arch/x86/include/asm/microcode.h
index 74ecc2b..d4c36fb 100644
--- a/arch/x86/include/asm/microcode.h
+++ b/arch/x86/include/asm/microcode.h
@@ -33,8 +33,7 @@ enum ucode_state {
 };
 
 struct microcode_ops {
-	enum ucode_state (*request_microcode_fw) (int cpu, struct device *,
-						  bool refresh_fw);
+	enum ucode_state (*request_microcode_fw) (int cpu, struct device *);
 
 	void (*microcode_fini_cpu) (int cpu);
 
diff --git a/arch/x86/kernel/cpu/microcode/amd.c b/arch/x86/kernel/cpu/microcode/amd.c
index e7410e9..b103d5e 100644
--- a/arch/x86/kernel/cpu/microcode/amd.c
+++ b/arch/x86/kernel/cpu/microcode/amd.c
@@ -891,8 +891,7 @@ load_microcode_amd(bool save, u8 family, const u8 *data, size_t size)
  *
  * These might be larger than 2K.
  */
-static enum ucode_state request_microcode_amd(int cpu, struct device *device,
-					      bool refresh_fw)
+static enum ucode_state request_microcode_amd(int cpu, struct device *device)
 {
 	char fw_name[36] = "amd-ucode/microcode_amd.bin";
 	struct cpuinfo_x86 *c = &cpu_data(cpu);
@@ -901,7 +900,7 @@ static enum ucode_state request_microcode_amd(int cpu, struct device *device,
 	const struct firmware *fw;
 
 	/* reload ucode container only on the boot cpu */
-	if (!refresh_fw || !bsp)
+	if (!bsp)
 		return UCODE_OK;
 
 	if (c->x86 >= 0x15)
diff --git a/arch/x86/kernel/cpu/microcode/core.c b/arch/x86/kernel/cpu/microcode/core.c
index 63f7678..7c41e01 100644
--- a/arch/x86/kernel/cpu/microcode/core.c
+++ b/arch/x86/kernel/cpu/microcode/core.c
@@ -477,7 +477,7 @@ static ssize_t reload_store(struct device *dev,
 	if (ret)
 		goto put;
 
-	tmp_ret = microcode_ops->request_microcode_fw(bsp, &microcode_pdev->dev, true);
+	tmp_ret = microcode_ops->request_microcode_fw(bsp, &microcode_pdev->dev);
 	if (tmp_ret != UCODE_NEW)
 		goto put;
 
diff --git a/arch/x86/kernel/cpu/microcode/intel.c b/arch/x86/kernel/cpu/microcode/intel.c
index 1fcbd67..8c35c70 100644
--- a/arch/x86/kernel/cpu/microcode/intel.c
+++ b/arch/x86/kernel/cpu/microcode/intel.c
@@ -885,8 +885,7 @@ static bool is_blacklisted(unsigned int cpu)
 	return false;
 }
 
-static enum ucode_state request_microcode_fw(int cpu, struct device *device,
-					     bool refresh_fw)
+static enum ucode_state request_microcode_fw(int cpu, struct device *device)
 {
 	struct cpuinfo_x86 *c = &cpu_data(cpu);
 	const struct firmware *firmware;