summaryrefslogtreecommitdiffstats
path: root/arch/x86/kernel/cpu/microcode/amd.c
diff options
context:
space:
mode:
authorIngo Molnar <mingo@kernel.org>2018-03-12 12:10:03 +0100
committerIngo Molnar <mingo@kernel.org>2018-03-12 12:10:03 +0100
commit3c76db70eb70a0fbd40b3e0dec8f69ca344d1ff8 (patch)
treea9dd314ac18992cdc2c50d4de60535a1b76ee351 /arch/x86/kernel/cpu/microcode/amd.c
parent194a9749c73d650c0b1dfdee04fb0bdf0a888ba8 (diff)
parent7958b2246fadf54b7ff820a2a5a2c5ca1554716f (diff)
downloadop-kernel-dev-3c76db70eb70a0fbd40b3e0dec8f69ca344d1ff8.zip
op-kernel-dev-3c76db70eb70a0fbd40b3e0dec8f69ca344d1ff8.tar.gz
Merge branch 'x86/pti' into x86/mm, to pick up dependencies
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/kernel/cpu/microcode/amd.c')
-rw-r--r--arch/x86/kernel/cpu/microcode/amd.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/arch/x86/kernel/cpu/microcode/amd.c b/arch/x86/kernel/cpu/microcode/amd.c
index 330b846..a998e1a 100644
--- a/arch/x86/kernel/cpu/microcode/amd.c
+++ b/arch/x86/kernel/cpu/microcode/amd.c
@@ -498,7 +498,7 @@ static unsigned int verify_patch_size(u8 family, u32 patch_size,
return patch_size;
}
-static int apply_microcode_amd(int cpu)
+static enum ucode_state apply_microcode_amd(int cpu)
{
struct cpuinfo_x86 *c = &cpu_data(cpu);
struct microcode_amd *mc_amd;
@@ -512,7 +512,7 @@ static int apply_microcode_amd(int cpu)
p = find_patch(cpu);
if (!p)
- return 0;
+ return UCODE_NFOUND;
mc_amd = p->data;
uci->mc = p->data;
@@ -523,13 +523,13 @@ static int apply_microcode_amd(int cpu)
if (rev >= mc_amd->hdr.patch_id) {
c->microcode = rev;
uci->cpu_sig.rev = rev;
- return 0;
+ return UCODE_OK;
}
if (__apply_microcode_amd(mc_amd)) {
pr_err("CPU%d: update failed for patch_level=0x%08x\n",
cpu, mc_amd->hdr.patch_id);
- return -1;
+ return UCODE_ERROR;
}
pr_info("CPU%d: new patch_level=0x%08x\n", cpu,
mc_amd->hdr.patch_id);
@@ -537,7 +537,7 @@ static int apply_microcode_amd(int cpu)
uci->cpu_sig.rev = mc_amd->hdr.patch_id;
c->microcode = mc_amd->hdr.patch_id;
- return 0;
+ return UCODE_UPDATED;
}
static int install_equiv_cpu_table(const u8 *buf)
OpenPOWER on IntegriCloud