Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1509248

[PATCH 4.4 095/112] irqchip/gic-v3-its: Fix entry size mask for GITS_BASER

From Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Newsgroups linux.kernel
Subject [PATCH 4.4 095/112] irqchip/gic-v3-its: Fix entry size mask for GITS_BASER
Date 2016-10-26 14:50 +0200
Message-ID <swvOx-3Ml-11@gated-at.bofh.it> (permalink)
References <swvER-3Eq-3@gated-at.bofh.it>
Organization linux.* mail to news gateway

Show all headers | View raw


4.4-stable review patch.  If anyone has any objections, please let me know.

------------------

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)

Back to linux.kernel | Previous | Next | Find similar | Unroll thread


Thread

[PATCH 4.4 095/112] irqchip/gic-v3-its: Fix entry size mask for GITS_BASER Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-10-26 14:50 +0200

csiph-web