This is a note to let you know that I've just added the patch titled
irqchip/gic: Correct declaration of *percpu_base pointer in union gic_base
to the 6.1-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-correct-declaration-of-percpu_base-point.patch
and it can be found in the queue-6.1 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 0c54b52afce79423920e6a0b54706905fc1b29a7
Author: Uros Bizjak <ubizjak@xxxxxxxxx>
Date: Fri Dec 13 15:57:53 2024 +0100
irqchip/gic: Correct declaration of *percpu_base pointer in union gic_base
[ Upstream commit a1855f1b7c33642c9f7a01991fb763342a312e9b ]
percpu_base is used in various percpu functions that expect variable in
__percpu address space. Correct the declaration of percpu_base to
void __iomem * __percpu *percpu_base;
to declare the variable as __percpu pointer.
The patch fixes several sparse warnings:
irq-gic.c:1172:44: warning: incorrect type in assignment (different address spaces)
irq-gic.c:1172:44: expected void [noderef] __percpu *[noderef] __iomem *percpu_base
irq-gic.c:1172:44: got void [noderef] __iomem *[noderef] __percpu *
...
irq-gic.c:1231:43: warning: incorrect type in argument 1 (different address spaces)
irq-gic.c:1231:43: expected void [noderef] __percpu *__pdata
irq-gic.c:1231:43: got void [noderef] __percpu *[noderef] __iomem *percpu_base
There were no changes in the resulting object files.
Signed-off-by: Uros Bizjak <ubizjak@xxxxxxxxx>
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Acked-by: Marc Zyngier <maz@xxxxxxxxxx>
Link: https://lore.kernel.org/all/20241213145809.2918-2-ubizjak@xxxxxxxxx
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/irqchip/irq-gic.c b/drivers/irqchip/irq-gic.c
index 4c7bae0ec8f9..867b282fa95d 100644
--- a/drivers/irqchip/irq-gic.c
+++ b/drivers/irqchip/irq-gic.c
@@ -63,7 +63,7 @@ static void gic_check_cpu_features(void)
union gic_base {
void __iomem *common_base;
- void __percpu * __iomem *percpu_base;
+ void __iomem * __percpu *percpu_base;
};
struct gic_chip_data {
