diff options
| author | Robert Richter <rrichter@cavium.com> | 2015-09-21 22:58:34 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2015-09-29 10:10:53 +0200 |
| commit | 30f2136346cab91e1ffd9ee6370d76809f20487a (patch) | |
| tree | 53e977c14eb43b1d5465a9838b441e48325d6100 /include/linux/irqchip | |
| parent | 71f64340fc0eadd06036d0db9a511b6d726add1d (diff) | |
| download | linux-0-day-30f2136346cab91e1ffd9ee6370d76809f20487a.tar.gz linux-0-day-30f2136346cab91e1ffd9ee6370d76809f20487a.tar.xz | |
irqchip/gicv3-its: Add range check for number of allocated pages
The number of pages for the its table may exceed the maximum of 256.
Adding a range check and limitting the number to its maximum.
Based on a patch from Tirumalesh Chalamarla <tchalamarla@cavium.com>.
Signed-off-by: Tirumalesh Chalamarla <tchalamarla@cavium.com>
Signed-off-by: Robert Richter <rrichter@cavium.com>
Reviewed-by: Marc Zyngier <marc.zyngier@arm.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: Jason Cooper <jason@lakedaemon.net>
Link: http://lkml.kernel.org/r/1442869119-1814-2-git-send-email-rric@kernel.org
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'include/linux/irqchip')
| -rw-r--r-- | include/linux/irqchip/arm-gic-v3.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/irqchip/arm-gic-v3.h b/include/linux/irqchip/arm-gic-v3.h index 9eeeb9589acfc..c0c8a2ef9d902 100644 --- a/include/linux/irqchip/arm-gic-v3.h +++ b/include/linux/irqchip/arm-gic-v3.h @@ -231,6 +231,7 @@ #define GITS_BASER_PAGE_SIZE_16K (1UL << GITS_BASER_PAGE_SIZE_SHIFT) #define GITS_BASER_PAGE_SIZE_64K (2UL << GITS_BASER_PAGE_SIZE_SHIFT) #define GITS_BASER_PAGE_SIZE_MASK (3UL << GITS_BASER_PAGE_SIZE_SHIFT) +#define GITS_BASER_PAGES_MAX 256 #define GITS_BASER_TYPE_NONE 0 #define GITS_BASER_TYPE_DEVICE 1 |