From: Ashok Raj ashok.raj@intel.com
[ Upstream commit 6eab3abac7043226e5375e9ead0c7607ced6767b ]
During late microcode loading, the "Reload completed" message is issued unconditionally, regardless of success or failure.
Adjust the message to report the result of the update.
[ bp: Massage. ]
Fixes: 9bd681251b7c ("x86/microcode: Announce reload operation's completion") Suggested-by: Thomas Gleixner tglx@linutronix.de Signed-off-by: Ashok Raj ashok.raj@intel.com Signed-off-by: Borislav Petkov (AMD) bp@alien8.de Reviewed-by: Tony Luck tony.luck@intel.com Link: https://lore.kernel.org/lkml/874judpqqd.ffs@tglx/ Signed-off-by: Sasha Levin sashal@kernel.org --- arch/x86/kernel/cpu/microcode/core.c | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-)
diff --git a/arch/x86/kernel/cpu/microcode/core.c b/arch/x86/kernel/cpu/microcode/core.c index 755aab64872c8..53d2d2f145ed7 100644 --- a/arch/x86/kernel/cpu/microcode/core.c +++ b/arch/x86/kernel/cpu/microcode/core.c @@ -507,11 +507,14 @@ static int microcode_reload_late(void) store_cpu_caps(&prev_info);
ret = stop_machine_cpuslocked(__reload_late, NULL, cpu_online_mask); - if (ret == 0) + if (!ret) { + pr_info("Reload succeeded, microcode revision: 0x%x -> 0x%x\n", + old, boot_cpu_data.microcode); microcode_check(&prev_info); - - pr_info("Reload completed, microcode revision: 0x%x -> 0x%x\n", - old, boot_cpu_data.microcode); + } else { + pr_info("Reload failed, current microcode revision: 0x%x\n", + boot_cpu_data.microcode); + }
return ret; }