Commit 24d1a6e6 authored Sep 01, 2016 by James Hogan Committed by Ralf Baechle Oct 05, 2016

MIPS: KVM: Use __local_flush_icache_user_range()

Convert KVM dynamic translation of guest instructions to flush icache
for guest mapped addresses using the new
__local_flush_icache_user_range() API to allow the more generic
flush_icache_range() to be changed to work on kernel addresses only.

Signed-off-by: James Hogan <james.hogan@imgtec.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: "Radim Krčmář" <rkrcmar@redhat.com>
Cc: linux-mips@linux-mips.org
Cc: kvm@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/14155/

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

parent d99a043a

arch/mips/kvm/dyntrans.c

+2 −2

Original line number	Original line	Diff line number	Diff line
	@@ -45,7 +45,7 @@ static int kvm_mips_trans_replace(struct kvm_vcpu vcpu, u32 opc,
	} else if (KVM_GUEST_KSEGX((unsigned long) opc) == KVM_GUEST_KSEG23) {		} else if (KVM_GUEST_KSEGX((unsigned long) opc) == KVM_GUEST_KSEG23) {
	local_irq_save(flags);		local_irq_save(flags);
	memcpy((void )opc, (void )&replace, sizeof(u32));		memcpy((void )opc, (void )&replace, sizeof(u32));
	local_flush_icache_range((unsigned long)opc,		__local_flush_icache_user_range((unsigned long)opc,
	(unsigned long)opc + 32);		(unsigned long)opc + 32);
	local_irq_restore(flags);		local_irq_restore(flags);
	} else {		} else {

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