The following commit has been merged into the x86/microcode branch of tip: Commit-ID: 0c0fe08c76485fe0178ebb0fa1a2052c727abe94 Gitweb: https://git.kernel.org/tip/0c0fe08c76485fe0178ebb0fa1a2052c727abe94 Author: Borislav Petkov <bp@xxxxxxx> AuthorDate: Wed, 25 May 2022 18:12:32 +02:00 Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx> CommitterDate: Tue, 31 May 2022 09:31:19 +02:00 x86/microcode: Remove unnecessary perf callback c93dc84cbe32 ("perf/x86: Add a microcode revision check for SNB-PEBS") checks whether the microcode revision has fixed PEBS issues. This can happen either: 1. At PEBS init time, where the early microcode has been loaded already 2. During late loading, in the microcode_check() callback. So remove the unnecessary call in the microcode loader init routine. Signed-off-by: Borislav Petkov <bp@xxxxxxx> Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx> Link: https://lore.kernel.org/r/20220525161232.14924-5-bp@xxxxxxxxx --- arch/x86/kernel/cpu/microcode/core.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/arch/x86/kernel/cpu/microcode/core.c b/arch/x86/kernel/cpu/microcode/core.c index 801b44a..ad57e0e 100644 --- a/arch/x86/kernel/cpu/microcode/core.c +++ b/arch/x86/kernel/cpu/microcode/core.c @@ -756,10 +756,7 @@ static int __init microcode_init(void) cpus_read_lock(); mutex_lock(µcode_mutex); - error = subsys_interface_register(&mc_cpu_interface); - if (!error) - perf_check_microcode(); mutex_unlock(µcode_mutex); cpus_read_unlock();
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