On Mon, Oct 23, 2017 at 05:11:16PM +0100, Marc Zyngier wrote: > We currently tightly couple dcache clean with icache invalidation, > but KVM could do without the initial flush to PoU, as we've > already flushed things to PoC. > > Let's introduce invalidate_icache_range which is limited to > invalidating the icache from the linear mapping (and thus > has none of the userspace fault handling complexity), and > wire it in KVM instead of flush_icache_range. > > Reviewed-by: Christoffer Dall <christoffer.dall@xxxxxxxxxx> > Signed-off-by: Marc Zyngier <marc.zyngier@xxxxxxx> > --- > arch/arm64/include/asm/assembler.h | 21 +++++++++++++++++++++ > arch/arm64/include/asm/cacheflush.h | 7 +++++++ > arch/arm64/include/asm/kvm_mmu.h | 4 ++-- > arch/arm64/mm/cache.S | 32 ++++++++++++++++++++++---------- > 4 files changed, 52 insertions(+), 12 deletions(-) Acked-by: Will Deacon <will.deacon@xxxxxxx> Thanks for respinning this. Will
