This is a note to let you know that I've just added the patch titled
KVM: MIPS: Flush KVM entry code from icache globally
to the 4.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
kvm-mips-flush-kvm-entry-code-from-icache-globally.patch
and it can be found in the queue-4.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 32eb12a6c11034867401d56b012e3c15d5f8141e Mon Sep 17 00:00:00 2001
From: James Hogan <james.hogan@xxxxxxxxxx>
Date: Tue, 3 Jan 2017 17:43:01 +0000
Subject: KVM: MIPS: Flush KVM entry code from icache globally
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From: James Hogan <james.hogan@xxxxxxxxxx>
commit 32eb12a6c11034867401d56b012e3c15d5f8141e upstream.
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@xxxxxxxxxx>
Cc: Paolo Bonzini <pbonzini@xxxxxxxxxx>
Cc: "Radim Krčmář" <rkrcmar@xxxxxxxxxx>
Cc: Ralf Baechle <ralf@xxxxxxxxxxxxxx>
Cc: linux-mips@xxxxxxxxxxxxxx
Cc: kvm@xxxxxxxxxxxxxxx
Signed-off-by: Radim Krčmář <rkrcmar@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
arch/mips/kvm/mips.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- a/arch/mips/kvm/mips.c
+++ b/arch/mips/kvm/mips.c
@@ -324,8 +324,8 @@ struct kvm_vcpu *kvm_arch_vcpu_create(st
#endif
/* 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
Patches currently in stable-queue which might be from james.hogan@xxxxxxxxxx are
queue-4.4/kvm-mips-flush-kvm-entry-code-from-icache-globally.patch
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