The following commit has been merged into the x86/microcode branch of tip: Commit-ID: 2355370cd941cbb20882cc3f34460f9f2b8f9a18 Gitweb: https://git.kernel.org/tip/2355370cd941cbb20882cc3f34460f9f2b8f9a18 Author: Borislav Petkov (AMD) <bp@xxxxxxxxx> AuthorDate: Tue, 17 Jan 2023 23:59:24 +01:00 Committer: Borislav Petkov (AMD) <bp@xxxxxxxxx> CommitterDate: Mon, 06 Feb 2023 11:13:04 +01:00 x86/microcode/amd: Remove load_microcode_amd()'s bsp parameter It is always the BSP. No functional changes. Signed-off-by: Borislav Petkov (AMD) <bp@xxxxxxxxx> Link: https://lore.kernel.org/r/20230130161709.11615-2-bp@xxxxxxxxx --- arch/x86/kernel/cpu/microcode/amd.c | 19 ++++--------------- 1 file changed, 4 insertions(+), 15 deletions(-) diff --git a/arch/x86/kernel/cpu/microcode/amd.c b/arch/x86/kernel/cpu/microcode/amd.c index d144f91..c2ac6c4 100644 --- a/arch/x86/kernel/cpu/microcode/amd.c +++ b/arch/x86/kernel/cpu/microcode/amd.c @@ -553,8 +553,7 @@ void load_ucode_amd_ap(unsigned int cpuid_1_eax) early_apply_microcode(cpuid_1_eax, cp.data, cp.size, false); } -static enum ucode_state -load_microcode_amd(bool save, u8 family, const u8 *data, size_t size); +static enum ucode_state load_microcode_amd(u8 family, const u8 *data, size_t size); int __init save_microcode_in_initrd_amd(unsigned int cpuid_1_eax) { @@ -572,7 +571,7 @@ int __init save_microcode_in_initrd_amd(unsigned int cpuid_1_eax) if (!desc.mc) return -EINVAL; - ret = load_microcode_amd(true, x86_family(cpuid_1_eax), desc.data, desc.size); + ret = load_microcode_amd(x86_family(cpuid_1_eax), desc.data, desc.size); if (ret > UCODE_UPDATED) return -EINVAL; @@ -851,8 +850,7 @@ static enum ucode_state __load_microcode_amd(u8 family, const u8 *data, return UCODE_OK; } -static enum ucode_state -load_microcode_amd(bool save, u8 family, const u8 *data, size_t size) +static enum ucode_state load_microcode_amd(u8 family, const u8 *data, size_t size) { struct ucode_patch *p; enum ucode_state ret; @@ -876,10 +874,6 @@ load_microcode_amd(bool save, u8 family, const u8 *data, size_t size) ret = UCODE_NEW; } - /* save BSP's matching patch for early load */ - if (!save) - return ret; - memset(amd_ucode_patch, 0, PATCH_MAX_SIZE); memcpy(amd_ucode_patch, p->data, min_t(u32, p->size, PATCH_MAX_SIZE)); @@ -906,14 +900,9 @@ 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); - bool bsp = c->cpu_index == boot_cpu_data.cpu_index; enum ucode_state ret = UCODE_NFOUND; const struct firmware *fw; - /* reload ucode container only on the boot cpu */ - if (!bsp) - return UCODE_OK; - if (c->x86 >= 0x15) snprintf(fw_name, sizeof(fw_name), "amd-ucode/microcode_amd_fam%.2xh.bin", c->x86); @@ -926,7 +915,7 @@ static enum ucode_state request_microcode_amd(int cpu, struct device *device) if (!verify_container(fw->data, fw->size, false)) goto fw_release; - ret = load_microcode_amd(bsp, c->x86, fw->data, fw->size); + ret = load_microcode_amd(c->x86, fw->data, fw->size); fw_release: release_firmware(fw);
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