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Patch "irqchip/gic-v3-its: Fix entry size mask for GITS_BASER" has been added to the 4.4-stable tree

PATCH [email protected] 1 participant 1 message Oct 26, 2016

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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 4.4-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:
irqchip-gic-v3-its-fix-entry-size-mask-for-gits_baser.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 9224eb77e63f70f16c0b6b7a20ca7d395f3bc077 Mon Sep 17 00:00:00 2001

From: Vladimir Murzin <[email protected]>
Date: Mon, 17 Oct 2016 16:00:46 +0100
Subject: irqchip/gic-v3-its: Fix entry size mask for GITS_BASER

From: Vladimir Murzin <[email protected]>

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 <[email protected]>
Signed-off-by Marc Zyngier <[email protected]>
Signed-off-by Greg Kroah-Hartman <[email protected]>
---
 include/linux/irqchip/arm-gic-v3.h |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
include/linux/irqchip/arm-gic-v3.h +1 -1
@@ -218,7 +218,7 @@
 #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_NonShareable		(0UL << 10)
 #define GITS_BASER_InnerShareable	(1UL << 10)
 #define GITS_BASER_OuterShareable	(2UL << 10)

Patches currently in stable-queue which might be from [email protected] are

queue-4.4/irqchip-gic-v3-its-fix-entry-size-mask-for-gits_baser.patch