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-rw-r--r--arch/x86/kernel/cpu/microcode/amd.c20
-rw-r--r--arch/x86/kernel/cpu/microcode/amd_shas.c112
-rw-r--r--arch/x86/kernel/cpu/microcode/core.c61
-rw-r--r--arch/x86/kernel/cpu/microcode/intel-ucode-defs.h150
-rw-r--r--arch/x86/kernel/cpu/microcode/intel.c4
-rw-r--r--arch/x86/kernel/cpu/microcode/internal.h1
6 files changed, 314 insertions, 34 deletions
diff --git a/arch/x86/kernel/cpu/microcode/amd.c b/arch/x86/kernel/cpu/microcode/amd.c
index 4a10d35e70aa..097e39327942 100644
--- a/arch/x86/kernel/cpu/microcode/amd.c
+++ b/arch/x86/kernel/cpu/microcode/amd.c
@@ -217,7 +217,6 @@ static bool verify_sha256_digest(u32 patch_id, u32 cur_rev, const u8 *data, unsi
{
struct patch_digest *pd = NULL;
u8 digest[SHA256_DIGEST_SIZE];
- struct sha256_state s;
int i;
if (x86_family(bsp_cpuid_1_eax) < 0x17)
@@ -235,9 +234,7 @@ static bool verify_sha256_digest(u32 patch_id, u32 cur_rev, const u8 *data, unsi
return false;
}
- sha256_init(&s);
- sha256_update(&s, data, len);
- sha256_final(&s, digest);
+ sha256(data, len, digest);
if (memcmp(digest, pd->sha256, sizeof(digest))) {
pr_err("Patch 0x%x SHA256 digest mismatch!\n", patch_id);
@@ -607,7 +604,7 @@ static bool __apply_microcode_amd(struct microcode_amd *mc, u32 *cur_rev,
if (!verify_sha256_digest(mc->hdr.patch_id, *cur_rev, (const u8 *)p_addr, psize))
return false;
- native_wrmsrl(MSR_AMD64_PATCH_LOADER, p_addr);
+ native_wrmsrq(MSR_AMD64_PATCH_LOADER, p_addr);
if (x86_family(bsp_cpuid_1_eax) == 0x17) {
unsigned long p_addr_end = p_addr + psize - 1;
@@ -1098,15 +1095,17 @@ static enum ucode_state load_microcode_amd(u8 family, const u8 *data, size_t siz
static int __init save_microcode_in_initrd(void)
{
- unsigned int cpuid_1_eax = native_cpuid_eax(1);
struct cpuinfo_x86 *c = &boot_cpu_data;
struct cont_desc desc = { 0 };
+ unsigned int cpuid_1_eax;
enum ucode_state ret;
struct cpio_data cp;
- if (dis_ucode_ldr || c->x86_vendor != X86_VENDOR_AMD || c->x86 < 0x10)
+ if (microcode_loader_disabled() || c->x86_vendor != X86_VENDOR_AMD || c->x86 < 0x10)
return 0;
+ cpuid_1_eax = native_cpuid_eax(1);
+
if (!find_blobs_in_containers(&cp))
return -EINVAL;
@@ -1176,11 +1175,18 @@ static void microcode_fini_cpu_amd(int cpu)
uci->mc = NULL;
}
+static void finalize_late_load_amd(int result)
+{
+ if (result)
+ cleanup();
+}
+
static struct microcode_ops microcode_amd_ops = {
.request_microcode_fw = request_microcode_amd,
.collect_cpu_info = collect_cpu_info_amd,
.apply_microcode = apply_microcode_amd,
.microcode_fini_cpu = microcode_fini_cpu_amd,
+ .finalize_late_load = finalize_late_load_amd,
.nmi_safe = true,
};
diff --git a/arch/x86/kernel/cpu/microcode/amd_shas.c b/arch/x86/kernel/cpu/microcode/amd_shas.c
index 2a1655b1fdd8..1fd349cfc802 100644
--- a/arch/x86/kernel/cpu/microcode/amd_shas.c
+++ b/arch/x86/kernel/cpu/microcode/amd_shas.c
@@ -231,6 +231,13 @@ static const struct patch_digest phashes[] = {
0x0d,0x5b,0x65,0x34,0x69,0xb2,0x62,0x21,
}
},
+ { 0xa0011d7, {
+ 0x35,0x07,0xcd,0x40,0x94,0xbc,0x81,0x6b,
+ 0xfc,0x61,0x56,0x1a,0xe2,0xdb,0x96,0x12,
+ 0x1c,0x1c,0x31,0xb1,0x02,0x6f,0xe5,0xd2,
+ 0xfe,0x1b,0x04,0x03,0x2c,0x8f,0x4c,0x36,
+ }
+ },
{ 0xa001223, {
0xfb,0x32,0x5f,0xc6,0x83,0x4f,0x8c,0xb8,
0xa4,0x05,0xf9,0x71,0x53,0x01,0x16,0xc4,
@@ -294,6 +301,13 @@ static const struct patch_digest phashes[] = {
0xc0,0xcd,0x33,0xf2,0x8d,0xf9,0xef,0x59,
}
},
+ { 0xa00123b, {
+ 0xef,0xa1,0x1e,0x71,0xf1,0xc3,0x2c,0xe2,
+ 0xc3,0xef,0x69,0x41,0x7a,0x54,0xca,0xc3,
+ 0x8f,0x62,0x84,0xee,0xc2,0x39,0xd9,0x28,
+ 0x95,0xa7,0x12,0x49,0x1e,0x30,0x71,0x72,
+ }
+ },
{ 0xa00820c, {
0xa8,0x0c,0x81,0xc0,0xa6,0x00,0xe7,0xf3,
0x5f,0x65,0xd3,0xb9,0x6f,0xea,0x93,0x63,
@@ -301,6 +315,13 @@ static const struct patch_digest phashes[] = {
0xe1,0x3b,0x8d,0xb2,0xf8,0x22,0x03,0xe2,
}
},
+ { 0xa00820d, {
+ 0xf9,0x2a,0xc0,0xf4,0x9e,0xa4,0x87,0xa4,
+ 0x7d,0x87,0x00,0xfd,0xab,0xda,0x19,0xca,
+ 0x26,0x51,0x32,0xc1,0x57,0x91,0xdf,0xc1,
+ 0x05,0xeb,0x01,0x7c,0x5a,0x95,0x21,0xb7,
+ }
+ },
{ 0xa10113e, {
0x05,0x3c,0x66,0xd7,0xa9,0x5a,0x33,0x10,
0x1b,0xf8,0x9c,0x8f,0xed,0xfc,0xa7,0xa0,
@@ -322,6 +343,13 @@ static const struct patch_digest phashes[] = {
0xf1,0x5e,0xb0,0xde,0xb4,0x98,0xae,0xc4,
}
},
+ { 0xa10114c, {
+ 0x9e,0xb6,0xa2,0xd9,0x87,0x38,0xc5,0x64,
+ 0xd8,0x88,0xfa,0x78,0x98,0xf9,0x6f,0x74,
+ 0x39,0x90,0x1b,0xa5,0xcf,0x5e,0xb4,0x2a,
+ 0x02,0xff,0xd4,0x8c,0x71,0x8b,0xe2,0xc0,
+ }
+ },
{ 0xa10123e, {
0x03,0xb9,0x2c,0x76,0x48,0x93,0xc9,0x18,
0xfb,0x56,0xfd,0xf7,0xe2,0x1d,0xca,0x4d,
@@ -343,6 +371,13 @@ static const struct patch_digest phashes[] = {
0x1b,0x7d,0x64,0x9d,0x4b,0x53,0x13,0x75,
}
},
+ { 0xa10124c, {
+ 0x29,0xea,0xf1,0x2c,0xb2,0xe4,0xef,0x90,
+ 0xa4,0xcd,0x1d,0x86,0x97,0x17,0x61,0x46,
+ 0xfc,0x22,0xcb,0x57,0x75,0x19,0xc8,0xcc,
+ 0x0c,0xf5,0xbc,0xac,0x81,0x9d,0x9a,0xd2,
+ }
+ },
{ 0xa108108, {
0xed,0xc2,0xec,0xa1,0x15,0xc6,0x65,0xe9,
0xd0,0xef,0x39,0xaa,0x7f,0x55,0x06,0xc6,
@@ -350,6 +385,13 @@ static const struct patch_digest phashes[] = {
0x28,0x1e,0x9c,0x59,0x69,0x99,0x4d,0x16,
}
},
+ { 0xa108109, {
+ 0x85,0xb4,0xbd,0x7c,0x49,0xa7,0xbd,0xfa,
+ 0x49,0x36,0x80,0x81,0xc5,0xb7,0x39,0x1b,
+ 0x9a,0xaa,0x50,0xde,0x9b,0xe9,0x32,0x35,
+ 0x42,0x7e,0x51,0x4f,0x52,0x2c,0x28,0x59,
+ }
+ },
{ 0xa20102d, {
0xf9,0x6e,0xf2,0x32,0xd3,0x0f,0x5f,0x11,
0x59,0xa1,0xfe,0xcc,0xcd,0x9b,0x42,0x89,
@@ -357,6 +399,13 @@ static const struct patch_digest phashes[] = {
0x8c,0xe9,0x19,0x3e,0xcc,0x3f,0x7b,0xb4,
}
},
+ { 0xa20102e, {
+ 0xbe,0x1f,0x32,0x04,0x0d,0x3c,0x9c,0xdd,
+ 0xe1,0xa4,0xbf,0x76,0x3a,0xec,0xc2,0xf6,
+ 0x11,0x00,0xa7,0xaf,0x0f,0xe5,0x02,0xc5,
+ 0x54,0x3a,0x1f,0x8c,0x16,0xb5,0xff,0xbe,
+ }
+ },
{ 0xa201210, {
0xe8,0x6d,0x51,0x6a,0x8e,0x72,0xf3,0xfe,
0x6e,0x16,0xbc,0x62,0x59,0x40,0x17,0xe9,
@@ -364,6 +413,13 @@ static const struct patch_digest phashes[] = {
0xf7,0x55,0xf0,0x13,0xbb,0x22,0xf6,0x41,
}
},
+ { 0xa201211, {
+ 0x69,0xa1,0x17,0xec,0xd0,0xf6,0x6c,0x95,
+ 0xe2,0x1e,0xc5,0x59,0x1a,0x52,0x0a,0x27,
+ 0xc4,0xed,0xd5,0x59,0x1f,0xbf,0x00,0xff,
+ 0x08,0x88,0xb5,0xe1,0x12,0xb6,0xcc,0x27,
+ }
+ },
{ 0xa404107, {
0xbb,0x04,0x4e,0x47,0xdd,0x5e,0x26,0x45,
0x1a,0xc9,0x56,0x24,0xa4,0x4c,0x82,0xb0,
@@ -371,6 +427,13 @@ static const struct patch_digest phashes[] = {
0x13,0xbc,0xc5,0x25,0xe4,0xc5,0xc3,0x99,
}
},
+ { 0xa404108, {
+ 0x69,0x67,0x43,0x06,0xf8,0x0c,0x62,0xdc,
+ 0xa4,0x21,0x30,0x4f,0x0f,0x21,0x2c,0xcb,
+ 0xcc,0x37,0xf1,0x1c,0xc3,0xf8,0x2f,0x19,
+ 0xdf,0x53,0x53,0x46,0xb1,0x15,0xea,0x00,
+ }
+ },
{ 0xa500011, {
0x23,0x3d,0x70,0x7d,0x03,0xc3,0xc4,0xf4,
0x2b,0x82,0xc6,0x05,0xda,0x80,0x0a,0xf1,
@@ -378,6 +441,13 @@ static const struct patch_digest phashes[] = {
0x11,0x5e,0x96,0x7e,0x71,0xe9,0xfc,0x74,
}
},
+ { 0xa500012, {
+ 0xeb,0x74,0x0d,0x47,0xa1,0x8e,0x09,0xe4,
+ 0x93,0x4c,0xad,0x03,0x32,0x4c,0x38,0x16,
+ 0x10,0x39,0xdd,0x06,0xaa,0xce,0xd6,0x0f,
+ 0x62,0x83,0x9d,0x8e,0x64,0x55,0xbe,0x63,
+ }
+ },
{ 0xa601209, {
0x66,0x48,0xd4,0x09,0x05,0xcb,0x29,0x32,
0x66,0xb7,0x9a,0x76,0xcd,0x11,0xf3,0x30,
@@ -385,6 +455,13 @@ static const struct patch_digest phashes[] = {
0xe8,0x73,0xe2,0xd6,0xdb,0xd2,0x77,0x1d,
}
},
+ { 0xa60120a, {
+ 0x0c,0x8b,0x3d,0xfd,0x52,0x52,0x85,0x7d,
+ 0x20,0x3a,0xe1,0x7e,0xa4,0x21,0x3b,0x7b,
+ 0x17,0x86,0xae,0xac,0x13,0xb8,0x63,0x9d,
+ 0x06,0x01,0xd0,0xa0,0x51,0x9a,0x91,0x2c,
+ }
+ },
{ 0xa704107, {
0xf3,0xc6,0x58,0x26,0xee,0xac,0x3f,0xd6,
0xce,0xa1,0x72,0x47,0x3b,0xba,0x2b,0x93,
@@ -392,6 +469,13 @@ static const struct patch_digest phashes[] = {
0x64,0x39,0x71,0x8c,0xce,0xe7,0x41,0x39,
}
},
+ { 0xa704108, {
+ 0xd7,0x55,0x15,0x2b,0xfe,0xc4,0xbc,0x93,
+ 0xec,0x91,0xa0,0xae,0x45,0xb7,0xc3,0x98,
+ 0x4e,0xff,0x61,0x77,0x88,0xc2,0x70,0x49,
+ 0xe0,0x3a,0x1d,0x84,0x38,0x52,0xbf,0x5a,
+ }
+ },
{ 0xa705206, {
0x8d,0xc0,0x76,0xbd,0x58,0x9f,0x8f,0xa4,
0x12,0x9d,0x21,0xfb,0x48,0x21,0xbc,0xe7,
@@ -399,6 +483,13 @@ static const struct patch_digest phashes[] = {
0x03,0x35,0xe9,0xbe,0xfb,0x06,0xdf,0xfc,
}
},
+ { 0xa705208, {
+ 0x30,0x1d,0x55,0x24,0xbc,0x6b,0x5a,0x19,
+ 0x0c,0x7d,0x1d,0x74,0xaa,0xd1,0xeb,0xd2,
+ 0x16,0x62,0xf7,0x5b,0xe1,0x1f,0x18,0x11,
+ 0x5c,0xf0,0x94,0x90,0x26,0xec,0x69,0xff,
+ }
+ },
{ 0xa708007, {
0x6b,0x76,0xcc,0x78,0xc5,0x8a,0xa3,0xe3,
0x32,0x2d,0x79,0xe4,0xc3,0x80,0xdb,0xb2,
@@ -406,6 +497,13 @@ static const struct patch_digest phashes[] = {
0xdf,0x92,0x73,0x84,0x87,0x3c,0x73,0x93,
}
},
+ { 0xa708008, {
+ 0x08,0x6e,0xf0,0x22,0x4b,0x8e,0xc4,0x46,
+ 0x58,0x34,0xe6,0x47,0xa2,0x28,0xfd,0xab,
+ 0x22,0x3d,0xdd,0xd8,0x52,0x9e,0x1d,0x16,
+ 0xfa,0x01,0x68,0x14,0x79,0x3e,0xe8,0x6b,
+ }
+ },
{ 0xa70c005, {
0x88,0x5d,0xfb,0x79,0x64,0xd8,0x46,0x3b,
0x4a,0x83,0x8e,0x77,0x7e,0xcf,0xb3,0x0f,
@@ -413,6 +511,13 @@ static const struct patch_digest phashes[] = {
0xee,0x49,0xac,0xe1,0x8b,0x13,0xc5,0x13,
}
},
+ { 0xa70c008, {
+ 0x0f,0xdb,0x37,0xa1,0x10,0xaf,0xd4,0x21,
+ 0x94,0x0d,0xa4,0xa2,0xe9,0x86,0x6c,0x0e,
+ 0x85,0x7c,0x36,0x30,0xa3,0x3a,0x78,0x66,
+ 0x18,0x10,0x60,0x0d,0x78,0x3d,0x44,0xd0,
+ }
+ },
{ 0xaa00116, {
0xe8,0x4c,0x2c,0x88,0xa1,0xac,0x24,0x63,
0x65,0xe5,0xaa,0x2d,0x16,0xa9,0xc3,0xf5,
@@ -441,4 +546,11 @@ static const struct patch_digest phashes[] = {
0x68,0x2f,0x46,0xee,0xfe,0xc6,0x6d,0xef,
}
},
+ { 0xaa00216, {
+ 0x79,0xfb,0x5b,0x9f,0xb6,0xe6,0xa8,0xf5,
+ 0x4e,0x7c,0x4f,0x8e,0x1d,0xad,0xd0,0x08,
+ 0xc2,0x43,0x7c,0x8b,0xe6,0xdb,0xd0,0xd2,
+ 0xe8,0x39,0x26,0xc1,0xe5,0x5a,0x48,0xf1,
+ }
+ },
};
diff --git a/arch/x86/kernel/cpu/microcode/core.c b/arch/x86/kernel/cpu/microcode/core.c
index b3658d11e7b6..fe50eb5b7c4a 100644
--- a/arch/x86/kernel/cpu/microcode/core.c
+++ b/arch/x86/kernel/cpu/microcode/core.c
@@ -37,12 +37,13 @@
#include <asm/perf_event.h>
#include <asm/processor.h>
#include <asm/cmdline.h>
+#include <asm/msr.h>
#include <asm/setup.h>
#include "internal.h"
-static struct microcode_ops *microcode_ops;
-bool dis_ucode_ldr = true;
+static struct microcode_ops *microcode_ops;
+static bool dis_ucode_ldr = false;
bool force_minrev = IS_ENABLED(CONFIG_MICROCODE_LATE_FORCE_MINREV);
module_param(force_minrev, bool, S_IRUSR | S_IWUSR);
@@ -84,6 +85,9 @@ static bool amd_check_current_patch_level(void)
u32 lvl, dummy, i;
u32 *levels;
+ if (x86_cpuid_vendor() != X86_VENDOR_AMD)
+ return false;
+
native_rdmsr(MSR_AMD64_PATCH_LEVEL, lvl, dummy);
levels = final_levels;
@@ -95,27 +99,29 @@ static bool amd_check_current_patch_level(void)
return false;
}
-static bool __init check_loader_disabled_bsp(void)
+bool __init microcode_loader_disabled(void)
{
- static const char *__dis_opt_str = "dis_ucode_ldr";
- const char *cmdline = boot_command_line;
- const char *option = __dis_opt_str;
+ if (dis_ucode_ldr)
+ return true;
/*
- * CPUID(1).ECX[31]: reserved for hypervisor use. This is still not
- * completely accurate as xen pv guests don't see that CPUID bit set but
- * that's good enough as they don't land on the BSP path anyway.
+ * Disable when:
+ *
+ * 1) The CPU does not support CPUID.
+ *
+ * 2) Bit 31 in CPUID[1]:ECX is clear
+ * The bit is reserved for hypervisor use. This is still not
+ * completely accurate as XEN PV guests don't see that CPUID bit
+ * set, but that's good enough as they don't land on the BSP
+ * path anyway.
+ *
+ * 3) Certain AMD patch levels are not allowed to be
+ * overwritten.
*/
- if (native_cpuid_ecx(1) & BIT(31))
- return true;
-
- if (x86_cpuid_vendor() == X86_VENDOR_AMD) {
- if (amd_check_current_patch_level())
- return true;
- }
-
- if (cmdline_find_option_bool(cmdline, option) <= 0)
- dis_ucode_ldr = false;
+ if (!cpuid_feature() ||
+ native_cpuid_ecx(1) & BIT(31) ||
+ amd_check_current_patch_level())
+ dis_ucode_ldr = true;
return dis_ucode_ldr;
}
@@ -125,7 +131,10 @@ void __init load_ucode_bsp(void)
unsigned int cpuid_1_eax;
bool intel = true;
- if (!have_cpuid_p())
+ if (cmdline_find_option_bool(boot_command_line, "dis_ucode_ldr") > 0)
+ dis_ucode_ldr = true;
+
+ if (microcode_loader_disabled())
return;
cpuid_1_eax = native_cpuid_eax(1);
@@ -146,9 +155,6 @@ void __init load_ucode_bsp(void)
return;
}
- if (check_loader_disabled_bsp())
- return;
-
if (intel)
load_ucode_intel_bsp(&early_data);
else
@@ -159,6 +165,11 @@ void load_ucode_ap(void)
{
unsigned int cpuid_1_eax;
+ /*
+ * Can't use microcode_loader_disabled() here - .init section
+ * hell. It doesn't have to either - the BSP variant must've
+ * parsed cmdline already anyway.
+ */
if (dis_ucode_ldr)
return;
@@ -686,6 +697,8 @@ static int load_late_locked(void)
return load_late_stop_cpus(true);
case UCODE_NFOUND:
return -ENOENT;
+ case UCODE_OK:
+ return 0;
default:
return -EBADFD;
}
@@ -810,7 +823,7 @@ static int __init microcode_init(void)
struct cpuinfo_x86 *c = &boot_cpu_data;
int error;
- if (dis_ucode_ldr)
+ if (microcode_loader_disabled())
return -EINVAL;
if (c->x86_vendor == X86_VENDOR_INTEL)
diff --git a/arch/x86/kernel/cpu/microcode/intel-ucode-defs.h b/arch/x86/kernel/cpu/microcode/intel-ucode-defs.h
new file mode 100644
index 000000000000..cb6e601701ab
--- /dev/null
+++ b/arch/x86/kernel/cpu/microcode/intel-ucode-defs.h
@@ -0,0 +1,150 @@
+{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x03, .steppings = 0x0004, .driver_data = 0x2 },
+{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x05, .steppings = 0x0001, .driver_data = 0x45 },
+{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x05, .steppings = 0x0002, .driver_data = 0x40 },
+{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x05, .steppings = 0x0004, .driver_data = 0x2c },
+{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x05, .steppings = 0x0008, .driver_data = 0x10 },
+{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x06, .steppings = 0x0001, .driver_data = 0xa },
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+{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xcf, .steppings = 0x0002, .driver_data = 0x21000283 },
+{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x00, .steppings = 0x0080, .driver_data = 0x12 },
+{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x00, .steppings = 0x0400, .driver_data = 0x15 },
+{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x01, .steppings = 0x0004, .driver_data = 0x2e },
+{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x02, .steppings = 0x0010, .driver_data = 0x21 },
+{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x02, .steppings = 0x0020, .driver_data = 0x2c },
+{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x02, .steppings = 0x0040, .driver_data = 0x10 },
+{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x02, .steppings = 0x0080, .driver_data = 0x39 },
+{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x02, .steppings = 0x0200, .driver_data = 0x2f },
+{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x03, .steppings = 0x0004, .driver_data = 0xa },
+{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x03, .steppings = 0x0008, .driver_data = 0xc },
+{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x03, .steppings = 0x0010, .driver_data = 0x17 },
+{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x04, .steppings = 0x0002, .driver_data = 0x17 },
+{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x04, .steppings = 0x0008, .driver_data = 0x5 },
+{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x04, .steppings = 0x0010, .driver_data = 0x6 },
+{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x04, .steppings = 0x0080, .driver_data = 0x3 },
+{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x04, .steppings = 0x0100, .driver_data = 0xe },
+{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x04, .steppings = 0x0200, .driver_data = 0x3 },
+{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x04, .steppings = 0x0400, .driver_data = 0x4 },
+{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x06, .steppings = 0x0004, .driver_data = 0xf },
+{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x06, .steppings = 0x0010, .driver_data = 0x4 },
+{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x06, .steppings = 0x0020, .driver_data = 0x8 },
+{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x06, .steppings = 0x0100, .driver_data = 0x9 },
diff --git a/arch/x86/kernel/cpu/microcode/intel.c b/arch/x86/kernel/cpu/microcode/intel.c
index 819199bc0119..371ca6eac00e 100644
--- a/arch/x86/kernel/cpu/microcode/intel.c
+++ b/arch/x86/kernel/cpu/microcode/intel.c
@@ -320,7 +320,7 @@ static enum ucode_state __apply_microcode(struct ucode_cpu_info *uci,
}
/* write microcode via MSR 0x79 */
- native_wrmsrl(MSR_IA32_UCODE_WRITE, (unsigned long)mc->bits);
+ native_wrmsrq(MSR_IA32_UCODE_WRITE, (unsigned long)mc->bits);
rev = intel_get_microcode_revision();
if (rev != mc->hdr.rev)
@@ -389,7 +389,7 @@ static int __init save_builtin_microcode(void)
if (xchg(&ucode_patch_va, NULL) != UCODE_BSP_LOADED)
return 0;
- if (dis_ucode_ldr || boot_cpu_data.x86_vendor != X86_VENDOR_INTEL)
+ if (microcode_loader_disabled() || boot_cpu_data.x86_vendor != X86_VENDOR_INTEL)
return 0;
uci.mc = get_microcode_blob(&uci, true);
diff --git a/arch/x86/kernel/cpu/microcode/internal.h b/arch/x86/kernel/cpu/microcode/internal.h
index 5df621752fef..50a9702ae4e2 100644
--- a/arch/x86/kernel/cpu/microcode/internal.h
+++ b/arch/x86/kernel/cpu/microcode/internal.h
@@ -94,7 +94,6 @@ static inline unsigned int x86_cpuid_family(void)
return x86_family(eax);
}
-extern bool dis_ucode_ldr;
extern bool force_minrev;
#ifdef CONFIG_CPU_SUP_AMD