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Patch "KVM: MIPS: Flush KVM entry code from icache globally" has been added to the 4.4-stable tree

PATCH [email protected] 1 participant 1 message Jan 9, 2017

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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 <[email protected]> know about it.

Quoted 1 line

From 32eb12a6c11034867401d56b012e3c15d5f8141e Mon Sep 17 00:00:00 2001

From: James Hogan <[email protected]>
Date: Tue, 3 Jan 2017 17:43:01 +0000
Subject: KVM: MIPS: Flush KVM entry code from icache globally
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
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From: James Hogan <[email protected]>

commit 32eb12a6c11034867401d56b012e3c15d5f8141e upstream.

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

---
 arch/mips/kvm/mips.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
arch/mips/kvm/mips.c +2 -2
@@ -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 [email protected] are

queue-4.4/kvm-mips-flush-kvm-entry-code-from-icache-globally.patch