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Subject[PATCH 10/10] x86: microcode_amd: modify log messages
Change log level and provide (at least I tried to;-) consistent, short,
meaningful content.

Signed-off-by: Andreas Herrmann <andreas.herrmann3@amd.com>
---
arch/x86/kernel/microcode_amd.c | 58 +++++++++++++++++---------------------
1 files changed, 26 insertions(+), 32 deletions(-)

diff --git a/arch/x86/kernel/microcode_amd.c b/arch/x86/kernel/microcode_amd.c
index e1ce650..24c256f 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;
}

--
1.6.0.4




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