On 12/17/2024 4:40 PM, Borislav Petkov wrote: > On Tue, Dec 03, 2024 at 02:30:40PM +0530, Nikunj A Dadhania wrote: >> When Secure TSC is enabled and TscInvariant (bit 8) in CPUID_8000_0007_edx >> is set, the kernel complains with the below firmware bug: >> >> [Firmware Bug]: TSC doesn't count with P0 frequency! > > This happens in a normal guest too: > > [ 0.000000] [Firmware Bug]: TSC doesn't count with P0 frequency! > [ 0.000000] BIOS-provided physical RAM map: > [ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x000000000009ffff] usable > ... > [ 0.000000] DMI: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 2023.11-8 02/21/2024 > ... > > If anything, this should check X86_FEATURE_HYPERVISOR but this is just a silly > warning so you don't really need to do anything about it. In that case, let me drop this patch. Regards, Nikunj
