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-rw-r--r--arch/x86/kernel/cpu/microcode/intel_early.c26
1 files changed, 12 insertions, 14 deletions
diff --git a/arch/x86/kernel/cpu/microcode/intel_early.c b/arch/x86/kernel/cpu/microcode/intel_early.c
index f04d0d6638ca..ec9df6f9cd47 100644
--- a/arch/x86/kernel/cpu/microcode/intel_early.c
+++ b/arch/x86/kernel/cpu/microcode/intel_early.c
@@ -34,8 +34,6 @@ static struct mc_saved_data {
struct microcode_intel **mc_saved;
} mc_saved_data;
-static struct microcode_intel bsp_patch;
-
static enum ucode_state
generic_load_microcode_early(struct microcode_intel **mc_saved_p,
unsigned int mc_saved_count,
@@ -717,8 +715,7 @@ _load_ucode_intel_bsp(struct mc_saved_data *mc_saved_data,
unsigned long *mc_saved_in_initrd,
unsigned long initrd_start_early,
unsigned long initrd_end_early,
- struct ucode_cpu_info *uci,
- struct microcode_intel *bsp)
+ struct ucode_cpu_info *uci)
{
enum ucode_state ret;
@@ -729,10 +726,8 @@ _load_ucode_intel_bsp(struct mc_saved_data *mc_saved_data,
ret = load_microcode(mc_saved_data, mc_saved_in_initrd,
initrd_start_early, uci);
- if (ret == UCODE_OK) {
+ if (ret == UCODE_OK)
apply_microcode_early(uci, true);
- memcpy(bsp, uci->mc, sizeof(*bsp));
- }
}
void __init
@@ -741,12 +736,10 @@ load_ucode_intel_bsp(void)
u64 ramdisk_image, ramdisk_size;
unsigned long initrd_start_early, initrd_end_early;
struct ucode_cpu_info uci;
- struct microcode_intel *bsp_p;
#ifdef CONFIG_X86_32
struct boot_params *boot_params_p;
boot_params_p = (struct boot_params *)__pa_nodebug(&boot_params);
- bsp_p = (struct microcode_intel *)__pa_nodebug(&bsp_patch);
ramdisk_image = boot_params_p->hdr.ramdisk_image;
ramdisk_size = boot_params_p->hdr.ramdisk_size;
initrd_start_early = ramdisk_image;
@@ -755,9 +748,8 @@ load_ucode_intel_bsp(void)
_load_ucode_intel_bsp(
(struct mc_saved_data *)__pa_nodebug(&mc_saved_data),
(unsigned long *)__pa_nodebug(&mc_saved_in_initrd),
- initrd_start_early, initrd_end_early, &uci, bsp_p);
+ initrd_start_early, initrd_end_early, &uci);
#else
- bsp_p = &bsp_patch;
ramdisk_image = boot_params.hdr.ramdisk_image;
ramdisk_size = boot_params.hdr.ramdisk_size;
initrd_start_early = ramdisk_image + PAGE_OFFSET;
@@ -765,7 +757,7 @@ load_ucode_intel_bsp(void)
_load_ucode_intel_bsp(&mc_saved_data, mc_saved_in_initrd,
initrd_start_early, initrd_end_early,
- &uci, bsp_p);
+ &uci);
#endif
}
@@ -805,11 +797,17 @@ void load_ucode_intel_ap(void)
void reload_ucode_intel(void)
{
struct ucode_cpu_info uci;
+ enum ucode_state ret;
- if (!bsp_patch.hdr.rev)
+ if (!mc_saved_data.mc_saved_count)
return;
- uci.mc = &bsp_patch;
+ collect_cpu_info_early(&uci);
+
+ ret = generic_load_microcode_early(mc_saved_data.mc_saved,
+ mc_saved_data.mc_saved_count, &uci);
+ if (ret != UCODE_OK)
+ return;
apply_microcode_early(&uci, false);
}