From 2f7c68cb55ecb7331f2381deb497c27155f32faf Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 03 Jan 2024 09:43:39 +0000
Subject: [PATCH] update kernel to 5.10.198
---
kernel/arch/x86/kernel/cpu/microcode/amd.c | 55 ++++++++++++++++++++++++++++---------------------------
1 files changed, 28 insertions(+), 27 deletions(-)
diff --git a/kernel/arch/x86/kernel/cpu/microcode/amd.c b/kernel/arch/x86/kernel/cpu/microcode/amd.c
index 234a96f..936085d 100644
--- a/kernel/arch/x86/kernel/cpu/microcode/amd.c
+++ b/kernel/arch/x86/kernel/cpu/microcode/amd.c
@@ -55,7 +55,9 @@
};
static u32 ucode_new_rev;
-static u8 amd_ucode_patch[PATCH_MAX_SIZE];
+
+/* One blob per node. */
+static u8 amd_ucode_patch[MAX_NUMNODES][PATCH_MAX_SIZE];
/*
* Microcode patch container file is prepended to the initrd in cpio
@@ -429,7 +431,7 @@
patch = (u8 (*)[PATCH_MAX_SIZE])__pa_nodebug(&amd_ucode_patch);
#else
new_rev = &ucode_new_rev;
- patch = &amd_ucode_patch;
+ patch = &amd_ucode_patch[0];
#endif
desc.cpuid_1_eax = cpuid_1_eax;
@@ -548,8 +550,7 @@
apply_microcode_early_amd(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)
{
@@ -567,19 +568,19 @@
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;
return 0;
}
-void reload_ucode_amd(void)
+void reload_ucode_amd(unsigned int cpu)
{
- struct microcode_amd *mc;
u32 rev, dummy __always_unused;
+ struct microcode_amd *mc;
- mc = (struct microcode_amd *)amd_ucode_patch;
+ mc = (struct microcode_amd *)amd_ucode_patch[cpu_to_node(cpu)];
rdmsr(MSR_AMD64_PATCH_LEVEL, rev, dummy);
@@ -699,7 +700,7 @@
rdmsr(MSR_AMD64_PATCH_LEVEL, rev, dummy);
/* need to apply patch? */
- if (rev >= mc_amd->hdr.patch_id) {
+ if (rev > mc_amd->hdr.patch_id) {
ret = UCODE_OK;
goto out;
}
@@ -845,9 +846,10 @@
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 cpuinfo_x86 *c;
+ unsigned int nid, cpu;
struct ucode_patch *p;
enum ucode_state ret;
@@ -860,22 +862,22 @@
return ret;
}
- p = find_patch(0);
- if (!p) {
- return ret;
- } else {
- if (boot_cpu_data.microcode >= p->patch_id)
- return ret;
+ for_each_node(nid) {
+ cpu = cpumask_first(cpumask_of_node(nid));
+ c = &cpu_data(cpu);
+
+ p = find_patch(cpu);
+ if (!p)
+ continue;
+
+ if (c->microcode >= p->patch_id)
+ continue;
ret = UCODE_NEW;
+
+ memset(&amd_ucode_patch[nid], 0, PATCH_MAX_SIZE);
+ memcpy(&amd_ucode_patch[nid], p->data, min_t(u32, p->size, PATCH_MAX_SIZE));
}
-
- /* 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));
return ret;
}
@@ -901,12 +903,11 @@
{
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 (!refresh_fw || !bsp)
+ if (!refresh_fw)
return UCODE_OK;
if (c->x86 >= 0x15)
@@ -921,7 +922,7 @@
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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