From: James Hogan <james.hogan@imgtec.com>
Date: Tue, 3 Jan 2017 17:43:01 +0000 (+0000)
Subject: KVM: MIPS: Flush KVM entry code from icache globally
X-Git-Tag: v4.10-rc3~10^2~1
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=32eb12a6c11034867401d56b012e3c15d5f8141e;p=users%2Fdwmw2%2Flinux.git

KVM: MIPS: Flush KVM entry code from icache globally

Flush the KVM entry code from the icache on all CPUs, not just the one
that built the entry code.

Signed-off-by: James Hogan <james.hogan@imgtec.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: "Radim Krčmář" <rkrcmar@redhat.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: linux-mips@linux-mips.org
Cc: kvm@vger.kernel.org
Cc: <stable@vger.kernel.org> # 3.16.x-
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
---

diff --git a/arch/mips/kvm/mips.c b/arch/mips/kvm/mips.c
index 06a60b19acfb5..29ec9ab3fd557 100644
--- a/arch/mips/kvm/mips.c
+++ b/arch/mips/kvm/mips.c
@@ -360,8 +360,8 @@ struct kvm_vcpu *kvm_arch_vcpu_create(struct kvm *kvm, unsigned int id)
 	dump_handler("kvm_exit", gebase + 0x2000, vcpu->arch.vcpu_run);
 
 	/* Invalidate the icache for these ranges */
-	local_flush_icache_range((unsigned long)gebase,
-				(unsigned long)gebase + ALIGN(size, PAGE_SIZE));
+	flush_icache_range((unsigned long)gebase,
+			   (unsigned long)gebase + ALIGN(size, PAGE_SIZE));
 
 	/*
 	 * Allocate comm page for guest kernel, a TLB will be reserved for