Re: [Qemu-devel] [PATCH] roms: Flush icache when writing roms to guest memory

[Paolo Bonzini]

Il 11/12/2013 14:23, Alexander Graf ha scritto:
> +            if (kvm_enabled()) {
> +                /*
> +                 * The guest may want to directly execute from the rom 
> region,
> +                 * so we better invalidate its icache
> +                 */
> +                flush_icache_range((uintptr_t)ptr, (uintptr_t)ptr + l);
> +            }

Shouldn't KVM itself do that when a memslot is registered?  There should
be no reason for non-TCG QEMU to flush the icache.

Paolo