x86: microcode_amd: modify log messages

Impact: change microcode printk content

Change log level and provide (at least I tried to;-) consistent, short,
meaningful content.

Signed-off-by: Andreas Herrmann <andreas.herrmann3@amd.com>
Cc: Dmitry Adamushko <dmitry.adamushko@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 26 insertions, 32 deletions

diff --git a/arch/x86/kernel/microcode_amd.c b/arch/x86/kernel/microcode_amd.c
index e1ce650f276b..24c256f4e50a 100644
--- a/arch/x86/kernel/microcode_amd.c
+++ b/arch/x86/kernel/microcode_amd.c
@@ -91,18 +91,13 @@ static int collect_cpu_info_amd(int cpu, struct cpu_signature *csig)
         u32 dummy;
 
         memset(csig, 0, sizeof(*csig));
-
         if (c->x86_vendor != X86_VENDOR_AMD || c->x86 < 0x10) {
-                printk(KERN_ERR "microcode: CPU%d not a capable AMD processor\n",
-                       cpu);
+                printk(KERN_WARNING "microcode: CPU%d: AMD CPU family 0x%x not "
+                       "supported\n", cpu, c->x86);
                 return -1;
         }
-
         rdmsr(MSR_AMD64_PATCH_LEVEL, csig->rev, dummy);
-
-        printk(KERN_INFO "microcode: collect_cpu_info_amd : patch_id=0x%x\n",
-                csig->rev);
-
+        printk(KERN_INFO "microcode: CPU%d: patch_level=0x%x\n", cpu, csig->rev);
         return 0;
 }
 
@@ -125,21 +120,21 @@ static int get_matching_microcode(int cpu, void *mc, int rev)
         }
 
         if (!equiv_cpu_id) {
-                printk(KERN_ERR "microcode: CPU%d cpu_id "
-                       "not found in equivalent cpu table\n", cpu);
+                printk(KERN_WARNING "microcode: CPU%d: cpu revision "
+                       "not listed in equivalent cpu table\n", cpu);
                 return 0;
         }
 
         if (mc_header->processor_rev_id != equiv_cpu_id) {
-                printk(KERN_ERR "microcode: CPU%d patch does not match "
-                       "(processor_rev_id: %x, eqiv_cpu_id: %x)\n",
+                printk(KERN_ERR "microcode: CPU%d: patch mismatch "
+                       "(processor_rev_id: %x, equiv_cpu_id: %x)\n",
                        cpu, mc_header->processor_rev_id, equiv_cpu_id);
                 return 0;
         }
 
         /* ucode might be chipset specific -- currently we don't support this */
         if (mc_header->nb_dev_id || mc_header->sb_dev_id) {
-                printk(KERN_WARNING "microcode: CPU%d loading of chipset "
+                printk(KERN_ERR "microcode: CPU%d: loading of chipset "
                        "specific code not yet supported\n", cpu);
                 return 0;
         }
@@ -172,15 +167,13 @@ static void apply_microcode_amd(int cpu)
 
         /* check current patch id and patch's id for match */
         if (rev != mc_amd->hdr.patch_id) {
-                printk(KERN_ERR "microcode: CPU%d update from revision "
-                       "0x%x to 0x%x failed\n", cpu_num,
-                       mc_amd->hdr.patch_id, rev);
+                printk(KERN_ERR "microcode: CPU%d: update failed "
+                       "(for patch_level=0x%x)\n", cpu, mc_amd->hdr.patch_id);
                 return;
         }
 
-        printk(KERN_INFO "microcode: CPU%d updated from revision "
-               "0x%x to 0x%x\n",
-               cpu_num, uci->cpu_sig.rev, mc_amd->hdr.patch_id);
+        printk(KERN_INFO "microcode: CPU%d: updated (new patch_level=0x%x)\n",
+               cpu, rev);
 
         uci->cpu_sig.rev = rev;
 }
@@ -202,18 +195,18 @@ static void *get_next_ucode(const u8 *buf, unsigned int size,
                 return NULL;
 
         if (section_hdr[0] != UCODE_UCODE_TYPE) {
-                printk(KERN_ERR "microcode: error! "
-                       "Wrong microcode payload type field\n");
+                printk(KERN_ERR "microcode: error: invalid type field in "
+                       "container file section header\n");
                 return NULL;
         }
 
         total_size = (unsigned long) (section_hdr[4] + (section_hdr[5] << 8));
 
-        printk(KERN_INFO "microcode: size %u, total_size %u\n",
-                size, total_size);
+        printk(KERN_DEBUG "microcode: size %u, total_size %u\n",
+               size, total_size);
 
         if (total_size > size || total_size > UCODE_MAX_SIZE) {
-                printk(KERN_ERR "microcode: error! Bad data in microcode data file\n");
+                printk(KERN_ERR "microcode: error: size mismatch\n");
                 return NULL;
         }
 
@@ -243,14 +236,15 @@ static int install_equiv_cpu_table(const u8 *buf)
         size = buf_pos[2];
 
         if (buf_pos[1] != UCODE_EQUIV_CPU_TABLE_TYPE || !size) {
-                printk(KERN_ERR "microcode: error! "
-                       "Wrong microcode equivalent cpu table\n");
+                printk(KERN_ERR "microcode: 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) {
-                printk(KERN_ERR "microcode: error, can't allocate memory for equiv CPU table\n");
+                printk(KERN_ERR "microcode: failed to allocate "
+                       "equivalent CPU table\n");
                 return 0;
         }
 
@@ -283,7 +277,8 @@ static int generic_load_microcode(int cpu, const u8 *data, size_t size)
 
         offset = install_equiv_cpu_table(ucode_ptr);
         if (!offset) {
-                printk(KERN_ERR "microcode: installing equivalent cpu table failed\n");
+                printk(KERN_ERR "microcode: failed to create "
+                       "equivalent cpu table\n");
                 return -EINVAL;
         }
 
@@ -339,8 +334,7 @@ static int request_microcode_fw(int cpu, struct device *device)
 
         ret = request_firmware(&firmware, fw_name, device);
         if (ret) {
-                printk(KERN_ERR "microcode: ucode data file %s load failed\n",
-                       fw_name);
+                printk(KERN_ERR "microcode: failed to load file %s\n", fw_name);
                 return ret;
         }
 
@@ -353,8 +347,8 @@ static int request_microcode_fw(int cpu, struct device *device)
 
 static int request_microcode_user(int cpu, const void __user *buf, size_t size)
 {
-        printk(KERN_WARNING "microcode: AMD microcode update via "
-               "/dev/cpu/microcode is not supported\n");
+        printk(KERN_INFO "microcode: AMD microcode update via "
+               "/dev/cpu/microcode not supported\n");
         return -1;
 }