From: <gregkh@linuxfoundation.org>
To: vladimir.murzin@arm.com, gregkh@linuxfoundation.org,
marc.zyngier@arm.com
Cc: <stable@vger.kernel.org>, <stable-commits@vger.kernel.org>
Subject: Patch "irqchip/gic-v3-its: Fix entry size mask for GITS_BASER" has been added to the 4.4-stable tree
Date: Wed, 26 Oct 2016 11:38:33 +0200 [thread overview]
Message-ID: <147747471325511@kroah.com> (raw)
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 <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
@@ -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 vladimir.murzin@arm.com are
queue-4.4/irqchip-gic-v3-its-fix-entry-size-mask-for-gits_baser.patch
reply other threads:[~2016-10-26 9:38 UTC|newest]
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