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SubjectRe: [PATCH v2] x86/paravirt: Drop {read,write}_cr8() hooks
On 15.07.19 17:16, Andrew Cooper wrote:
> There is a lot of infrastructure for functionality which is used
> exclusively in __{save,restore}_processor_state() on the suspend/resume
> path.
> cr8 is an alias of APIC_TASKPRI, and APIC_TASKPRI is saved/restored by
> lapic_{suspend,resume}(). Saving and restoring cr8 independently of the
> rest of the Local APIC state isn't a clever thing to be doing.
> Delete the suspend/resume cr8 handling, which shrinks the size of struct
> saved_context, and allows for the removal of both PVOPS.
> Signed-off-by: Andrew Cooper <>

Reviewed-by: Juergen Gross <>


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