linux-kernel - [tip: x86/microcode] x86/microcode/AMD: Add a @cpu parameter to the reloading functions

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Date:   Mon, 06 Feb 2023 13:00:06 -0000
From:   "tip-bot2 for Borislav Petkov (AMD)" <tip-bot2@...utronix.de>
To:     linux-tip-commits@...r.kernel.org
Cc:     "Borislav Petkov (AMD)" <bp@...en8.de>, x86@...nel.org,
        linux-kernel@...r.kernel.org
Subject: [tip: x86/microcode] x86/microcode/AMD: Add a @cpu parameter to the
 reloading functions

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

Commit-ID:     a5ad92134bd153a9ccdcddf09a95b088f36c3cce
Gitweb:        https://git.kernel.org/tip/a5ad92134bd153a9ccdcddf09a95b088f36c3cce
Author:        Borislav Petkov (AMD) <bp@...en8.de>
AuthorDate:    Thu, 26 Jan 2023 00:08:03 +01:00
Committer:     Borislav Petkov (AMD) <bp@...en8.de>
CommitterDate: Mon, 06 Feb 2023 12:14:20 +01:00

x86/microcode/AMD: Add a @cpu parameter to the reloading functions

Will be used in a subsequent change.

Signed-off-by: Borislav Petkov (AMD) <bp@...en8.de>
Link: https://lore.kernel.org/r/20230130161709.11615-3-bp@alien8.de
---
 arch/x86/include/asm/microcode.h     | 4 ++--
 arch/x86/include/asm/microcode_amd.h | 4 ++--
 arch/x86/kernel/cpu/microcode/amd.c  | 2 +-
 arch/x86/kernel/cpu/microcode/core.c | 6 +++---
 4 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/arch/x86/include/asm/microcode.h b/arch/x86/include/asm/microcode.h
index d5a58bd..320566a 100644
--- a/arch/x86/include/asm/microcode.h
+++ b/arch/x86/include/asm/microcode.h
@@ -125,13 +125,13 @@ static inline unsigned int x86_cpuid_family(void)
 #ifdef CONFIG_MICROCODE
 extern void __init load_ucode_bsp(void);
 extern void load_ucode_ap(void);
-void reload_early_microcode(void);
+void reload_early_microcode(unsigned int cpu);
 extern bool initrd_gone;
 void microcode_bsp_resume(void);
 #else
 static inline void __init load_ucode_bsp(void)			{ }
 static inline void load_ucode_ap(void)				{ }
-static inline void reload_early_microcode(void)			{ }
+static inline void reload_early_microcode(unsigned int cpu)	{ }
 static inline void microcode_bsp_resume(void)			{ }
 #endif
 
diff --git a/arch/x86/include/asm/microcode_amd.h b/arch/x86/include/asm/microcode_amd.h
index ac31f91..e6662ad 100644
--- a/arch/x86/include/asm/microcode_amd.h
+++ b/arch/x86/include/asm/microcode_amd.h
@@ -47,12 +47,12 @@ struct microcode_amd {
 extern void __init load_ucode_amd_bsp(unsigned int family);
 extern void load_ucode_amd_ap(unsigned int family);
 extern int __init save_microcode_in_initrd_amd(unsigned int family);
-void reload_ucode_amd(void);
+void reload_ucode_amd(unsigned int cpu);
 #else
 static inline void __init load_ucode_amd_bsp(unsigned int family) {}
 static inline void load_ucode_amd_ap(unsigned int family) {}
 static inline int __init
 save_microcode_in_initrd_amd(unsigned int family) { return -EINVAL; }
-static inline void reload_ucode_amd(void) {}
+static inline void reload_ucode_amd(unsigned int cpu) {}
 #endif
 #endif /* _ASM_X86_MICROCODE_AMD_H */
diff --git a/arch/x86/kernel/cpu/microcode/amd.c b/arch/x86/kernel/cpu/microcode/amd.c
index c2ac6c4..1023be6 100644
--- a/arch/x86/kernel/cpu/microcode/amd.c
+++ b/arch/x86/kernel/cpu/microcode/amd.c
@@ -578,7 +578,7 @@ int __init save_microcode_in_initrd_amd(unsigned int cpuid_1_eax)
 	return 0;
 }
 
-void reload_ucode_amd(void)
+void reload_ucode_amd(unsigned int cpu)
 {
 	struct microcode_amd *mc;
 	u32 rev, dummy __always_unused;
diff --git a/arch/x86/kernel/cpu/microcode/core.c b/arch/x86/kernel/cpu/microcode/core.c
index fdd1e7e..ddc0958 100644
--- a/arch/x86/kernel/cpu/microcode/core.c
+++ b/arch/x86/kernel/cpu/microcode/core.c
@@ -298,7 +298,7 @@ struct cpio_data find_microcode_in_initrd(const char *path, bool use_pa)
 #endif
 }
 
-void reload_early_microcode(void)
+void reload_early_microcode(unsigned int cpu)
 {
 	int vendor, family;
 
@@ -312,7 +312,7 @@ void reload_early_microcode(void)
 		break;
 	case X86_VENDOR_AMD:
 		if (family >= 0x10)
-			reload_ucode_amd();
+			reload_ucode_amd(cpu);
 		break;
 	default:
 		break;
@@ -564,7 +564,7 @@ void microcode_bsp_resume(void)
 	if (uci->mc)
 		microcode_ops->apply_microcode(cpu);
 	else
-		reload_early_microcode();
+		reload_early_microcode(cpu);
 }
 
 static struct syscore_ops mc_syscore_ops = {