On 1/1/2025 9:45 PM, Borislav Petkov wrote: > On Wed, Jan 01, 2025 at 02:26:04PM +0530, Nikunj A. Dadhania wrote: >> As kvm-clock would have set the callbacks, I need to point them to securetsc_get_tsc_khz(). >> >> arch/x86/kernel/kvmclock.c: x86_platform.calibrate_tsc = kvm_get_tsc_khz; >> arch/x86/kernel/kvmclock.c: x86_platform.calibrate_cpu = kvm_get_tsc_khz; >> >> For virtualized environments, I see that all of them are assigning the same functions to different function ptrs. > > So just because the others do it, you should do it too without even figuring > out *why*? Again: As kvm-clock has over-ridden both the callbacks, SecureTSC needs to override them with its own. Regards, Nikunj
