summaryrefslogtreecommitdiffstats
path: root/arch/x86/kernel/microcode_amd.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/x86/kernel/microcode_amd.c')
-rw-r--r--arch/x86/kernel/microcode_amd.c40
1 files changed, 19 insertions, 21 deletions
diff --git a/arch/x86/kernel/microcode_amd.c b/arch/x86/kernel/microcode_amd.c
index 63123d90210..37542b67c57 100644
--- a/arch/x86/kernel/microcode_amd.c
+++ b/arch/x86/kernel/microcode_amd.c
@@ -13,6 +13,9 @@
* Licensed under the terms of the GNU General Public
* License version 2. See file COPYING for details.
*/
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#include <linux/firmware.h>
#include <linux/pci_ids.h>
#include <linux/uaccess.h>
@@ -81,7 +84,7 @@ static int collect_cpu_info_amd(int cpu, struct cpu_signature *csig)
memset(csig, 0, sizeof(*csig));
rdmsr(MSR_AMD64_PATCH_LEVEL, csig->rev, dummy);
- pr_info("microcode: CPU%d: patch_level=0x%x\n", cpu, csig->rev);
+ pr_info("CPU%d: patch_level=0x%x\n", cpu, csig->rev);
return 0;
}
@@ -111,8 +114,8 @@ static int get_matching_microcode(int cpu, void *mc, int rev)
/* ucode might be chipset specific -- currently we don't support this */
if (mc_header->nb_dev_id || mc_header->sb_dev_id) {
- pr_err(KERN_ERR "microcode: CPU%d: loading of chipset "
- "specific code not yet supported\n", cpu);
+ pr_err("CPU%d: loading of chipset specific code not yet supported\n",
+ cpu);
return 0;
}
@@ -141,12 +144,12 @@ static int apply_microcode_amd(int cpu)
/* check current patch id and patch's id for match */
if (rev != mc_amd->hdr.patch_id) {
- pr_err("microcode: CPU%d: update failed "
- "(for patch_level=0x%x)\n", cpu, mc_amd->hdr.patch_id);
+ pr_err("CPU%d: update failed (for patch_level=0x%x)\n",
+ cpu, mc_amd->hdr.patch_id);
return -1;
}
- pr_info("microcode: CPU%d: updated (new patch_level=0x%x)\n", cpu, rev);
+ pr_info("CPU%d: updated (new patch_level=0x%x)\n", cpu, rev);
uci->cpu_sig.rev = rev;
return 0;
@@ -169,15 +172,14 @@ get_next_ucode(const u8 *buf, unsigned int size, unsigned int *mc_size)
return NULL;
if (section_hdr[0] != UCODE_UCODE_TYPE) {
- pr_err("microcode: error: invalid type field in "
- "container file section header\n");
+ pr_err("error: invalid type field in container file section header\n");
return NULL;
}
total_size = (unsigned long) (section_hdr[4] + (section_hdr[5] << 8));
if (total_size > size || total_size > UCODE_MAX_SIZE) {
- pr_err("microcode: error: size mismatch\n");
+ pr_err("error: size mismatch\n");
return NULL;
}
@@ -206,14 +208,13 @@ static int install_equiv_cpu_table(const u8 *buf)
size = buf_pos[2];
if (buf_pos[1] != UCODE_EQUIV_CPU_TABLE_TYPE || !size) {
- pr_err("microcode: error: invalid type field in "
- "container file section header\n");
+ pr_err("error: invalid type field in container file section header\n");
return 0;
}
equiv_cpu_table = (struct equiv_cpu_entry *) vmalloc(size);
if (!equiv_cpu_table) {
- pr_err("microcode: failed to allocate equivalent CPU table\n");
+ pr_err("failed to allocate equivalent CPU table\n");
return 0;
}
@@ -246,7 +247,7 @@ generic_load_microcode(int cpu, const u8 *data, size_t size)
offset = install_equiv_cpu_table(ucode_ptr);
if (!offset) {
- pr_err("microcode: failed to create equivalent cpu table\n");
+ pr_err("failed to create equivalent cpu table\n");
return UCODE_ERROR;
}
@@ -277,8 +278,7 @@ generic_load_microcode(int cpu, const u8 *data, size_t size)
if (!leftover) {
vfree(uci->mc);
uci->mc = new_mc;
- pr_debug("microcode: CPU%d found a matching microcode "
- "update with version 0x%x (current=0x%x)\n",
+ pr_debug("CPU%d found a matching microcode update with version 0x%x (current=0x%x)\n",
cpu, new_rev, uci->cpu_sig.rev);
} else {
vfree(new_mc);
@@ -300,7 +300,7 @@ static enum ucode_state request_microcode_fw(int cpu, struct device *device)
return UCODE_NFOUND;
if (*(u32 *)firmware->data != UCODE_MAGIC) {
- pr_err("microcode: invalid UCODE_MAGIC (0x%08x)\n",
+ pr_err("invalid UCODE_MAGIC (0x%08x)\n",
*(u32 *)firmware->data);
return UCODE_ERROR;
}
@@ -313,8 +313,7 @@ static enum ucode_state request_microcode_fw(int cpu, struct device *device)
static enum ucode_state
request_microcode_user(int cpu, const void __user *buf, size_t size)
{
- pr_info("microcode: AMD microcode update via "
- "/dev/cpu/microcode not supported\n");
+ pr_info("AMD microcode update via /dev/cpu/microcode not supported\n");
return UCODE_ERROR;
}
@@ -334,14 +333,13 @@ void init_microcode_amd(struct device *device)
WARN_ON(c->x86_vendor != X86_VENDOR_AMD);
if (c->x86 < 0x10) {
- pr_warning("microcode: AMD CPU family 0x%x not supported\n",
- c->x86);
+ pr_warning("AMD CPU family 0x%x not supported\n", c->x86);
return;
}
supported_cpu = 1;
if (request_firmware(&firmware, fw_name, device))
- pr_err("microcode: failed to load file %s\n", fw_name);
+ pr_err("failed to load file %s\n", fw_name);
}
void fini_microcode_amd(void)