On 24.12.2019 14:26, Roger Pau Monne wrote:
> @@ -235,6 +236,11 @@ void flush_area_mask(const cpumask_t *mask, const void
> *va, unsigned int flags)
> {
> bool cpus_locked = false;
>
> + if ( xen_guest &&
> + !(flags & ~(FLUSH_TLB | FLUSH_TLB_GLOBAL | FLUSH_VA_VALID)) &&
> + !xg_flush_tlbs() )
> + return;
With the abstraction introduced recently by Wei I think this wants
to be a per-hypervisor hook, which would also get the linear address
passed, and which would then (rather than here) decide whether it
wants to also handle a single page flush a different way.
Jan
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