Hello Ard, On 4/1/22 10:34, Ard Biesheuvel wrote: > On Fri, 1 Apr 2022 at 10:33, Javier Martinez Canillas > <javierm@xxxxxxxxxx> wrote: [snip] >> >> if (!efi_enabled(EFI_RUNTIME_SERVICES)) >> efi.runtime_supported_mask = 0; >> + else if (IS_ENABLED(CONFIG_PREEMPT_RT)) >> + pr_warn("EFI runtime services can lead to high latencies on Real-Time kernels\n"); >> >> if (!efi_enabled(EFI_BOOT)) >> return 0; >> > > > I don't think we need another warning. > > The kernel log already tells you whether or not EFI runtime services > are enabled. > I'm fine with this too. As mentioned to Ahmed I was torn on this, since I understand the ask for the warning but also don't want to pollute the log. -- Best regards, Javier Martinez Canillas Linux Engineering Red Hat