Patch "irqchip/gic-v3-its: Fix entry size mask for GITS_BASER" has been added to the 4.8-stable tree

Patch "irqchip/gic-v3-its: Fix entry size mask for GITS_BASER" has been added to the 4.8-stable tree

[gregkh]

This is a note to let you know that I've just added the patch titled

    irqchip/gic-v3-its: Fix entry size mask for GITS_BASER

to the 4.8-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:
     irqchip-gic-v3-its-fix-entry-size-mask-for-gits_baser.patch
and it can be found in the queue-4.8 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.


>From 9224eb77e63f70f16c0b6b7a20ca7d395f3bc077 Mon Sep 17 00:00:00 2001
From: Vladimir Murzin <vladimir.murzin@arm.com>
Date: Mon, 17 Oct 2016 16:00:46 +0100
Subject: irqchip/gic-v3-its: Fix entry size mask for GITS_BASER

From: Vladimir Murzin <vladimir.murzin@arm.com>

commit 9224eb77e63f70f16c0b6b7a20ca7d395f3bc077 upstream.

Entry Size in GITS_BASER<n> occupies 5 bits [52:48], but we mask out 8
bits.

Fixes: cc2d3216f53c ("irqchip: GICv3: ITS command queue")
Signed-off-by: Vladimir Murzin <vladimir.murzin@arm.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 include/linux/irqchip/arm-gic-v3.h |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/include/linux/irqchip/arm-gic-v3.h
+++ b/include/linux/irqchip/arm-gic-v3.h
@@ -290,7 +290,7 @@
 #define GITS_BASER_TYPE_SHIFT			(56)
 #define GITS_BASER_TYPE(r)		(((r) >> GITS_BASER_TYPE_SHIFT) & 7)
 #define GITS_BASER_ENTRY_SIZE_SHIFT		(48)
-#define GITS_BASER_ENTRY_SIZE(r)	((((r) >> GITS_BASER_ENTRY_SIZE_SHIFT) & 0xff) + 1)
+#define GITS_BASER_ENTRY_SIZE(r)	((((r) >> GITS_BASER_ENTRY_SIZE_SHIFT) & 0x1f) + 1)
 #define GITS_BASER_SHAREABILITY_SHIFT	(10)
 #define GITS_BASER_InnerShareable					\
 	GIC_BASER_SHAREABILITY(GITS_BASER, InnerShareable)


Patches currently in stable-queue which might be from vladimir.murzin@arm.com are

queue-4.8/arm64-kvm-vhe-reset-pstate.pan-on-entry-to-el2.patch
queue-4.8/irqchip-gic-v3-its-fix-entry-size-mask-for-gits_baser.patch