From: Borislav Petkov <bp@alien8.de>
To: X86 ML <x86@kernel.org>
Cc: LKML <linux-kernel@vger.kernel.org>
Subject: [PATCH 2/4] x86/microcode/AMD: Add a @cpu parameter to the reloading functions
Date: Mon, 30 Jan 2023 17:17:07 +0100 [thread overview]
Message-ID: <20230130161709.11615-3-bp@alien8.de> (raw)
In-Reply-To: <20230130161709.11615-1-bp@alien8.de>
From: "Borislav Petkov (AMD)" <bp@alien8.de>
Will be used in a subsequent change.
Signed-off-by: Borislav Petkov (AMD) <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 d5a58bde091c..320566a0443d 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 ac31f9140d07..e6662adf3af4 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 f41ea46475ac..b8d73f133193 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 712aafff96e0..931d3c3262ec 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;
@@ -557,7 +557,7 @@ 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 = {
--
2.35.1
next prev parent reply other threads:[~2023-01-30 16:17 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-01-30 16:17 [PATCH 0/4] x86/microcode: Some fixes Borislav Petkov
2023-01-30 16:17 ` [PATCH 1/4] x86/microcode/amd: Remove load_microcode_amd()'s bsp parameter Borislav Petkov
2023-02-06 13:00 ` [tip: x86/microcode] " tip-bot2 for Borislav Petkov (AMD)
2023-01-30 16:17 ` Borislav Petkov [this message]
2023-02-06 13:00 ` [tip: x86/microcode] x86/microcode/AMD: Add a @cpu parameter to the reloading functions tip-bot2 for Borislav Petkov (AMD)
2023-01-30 16:17 ` [PATCH 3/4] x86/microcode/AMD: Fix mixed steppings support Borislav Petkov
2023-02-06 13:00 ` [tip: x86/microcode] " tip-bot2 for Borislav Petkov (AMD)
2023-01-30 16:17 ` [PATCH 4/4] x86/microcode/core: Return an error only when necessary Borislav Petkov
2023-02-06 13:00 ` [tip: x86/microcode] " tip-bot2 for Borislav Petkov (AMD)
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