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x86/microcode/AMD: Add a @cpu parameter to the reloading functions
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Will be used in a subsequent change.

Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Link: https://lore.kernel.org/r/20230130161709.11615-3-bp@alien8.de
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Borislav Petkov (AMD) committed Feb 6, 2023
1 parent 2355370 commit a5ad921
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Showing 4 changed files with 8 additions and 8 deletions.
4 changes: 2 additions & 2 deletions arch/x86/include/asm/microcode.h
Original file line number Diff line number Diff line change
Expand Up @@ -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

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4 changes: 2 additions & 2 deletions arch/x86/include/asm/microcode_amd.h
Original file line number Diff line number Diff line change
Expand Up @@ -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 */
2 changes: 1 addition & 1 deletion arch/x86/kernel/cpu/microcode/amd.c
Original file line number Diff line number Diff line change
Expand Up @@ -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;
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6 changes: 3 additions & 3 deletions arch/x86/kernel/cpu/microcode/core.c
Original file line number Diff line number Diff line change
Expand Up @@ -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;

Expand All @@ -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;
Expand Down Expand Up @@ -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 = {
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