* [PATCH] arm64: irq: set the correct node for shadow call stack
@ 2023-12-13 1:20 Huang Shijie
2023-12-13 11:01 ` Catalin Marinas
2023-12-13 17:25 ` Will Deacon
0 siblings, 2 replies; 3+ messages in thread
From: Huang Shijie @ 2023-12-13 1:20 UTC (permalink / raw
To: catalin.marinas
Cc: patches, will, linux-arm-kernel, linux-kernel, Huang Shijie
The init_irq_stacks() has been changed to use the correct node:
https://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git/commit/?id=75b5e0bf90bf
The init_irq_scs() has the same issue with init_irq_stacks():
cpu_to_node() is not initialized yet, it does not work.
This patch uses early_cpu_to_node() to set the init_irq_scs()
with the correct node.
Signed-off-by: Huang Shijie <shijie@os.amperecomputing.com>
---
arch/arm64/kernel/irq.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm64/kernel/irq.c b/arch/arm64/kernel/irq.c
index 9f253d8efe90..85087e2df564 100644
--- a/arch/arm64/kernel/irq.c
+++ b/arch/arm64/kernel/irq.c
@@ -48,7 +48,7 @@ static void init_irq_scs(void)
for_each_possible_cpu(cpu)
per_cpu(irq_shadow_call_stack_ptr, cpu) =
- scs_alloc(cpu_to_node(cpu));
+ scs_alloc(early_cpu_to_node(cpu));
}
#ifdef CONFIG_VMAP_STACK
--
2.40.1
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH] arm64: irq: set the correct node for shadow call stack
2023-12-13 1:20 [PATCH] arm64: irq: set the correct node for shadow call stack Huang Shijie
@ 2023-12-13 11:01 ` Catalin Marinas
2023-12-13 17:25 ` Will Deacon
1 sibling, 0 replies; 3+ messages in thread
From: Catalin Marinas @ 2023-12-13 11:01 UTC (permalink / raw
To: Huang Shijie; +Cc: patches, will, linux-arm-kernel, linux-kernel
On Wed, Dec 13, 2023 at 09:20:46AM +0800, Huang Shijie wrote:
> The init_irq_stacks() has been changed to use the correct node:
> https://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git/commit/?id=75b5e0bf90bf
>
> The init_irq_scs() has the same issue with init_irq_stacks():
> cpu_to_node() is not initialized yet, it does not work.
>
> This patch uses early_cpu_to_node() to set the init_irq_scs()
> with the correct node.
>
> Signed-off-by: Huang Shijie <shijie@os.amperecomputing.com>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH] arm64: irq: set the correct node for shadow call stack
2023-12-13 1:20 [PATCH] arm64: irq: set the correct node for shadow call stack Huang Shijie
2023-12-13 11:01 ` Catalin Marinas
@ 2023-12-13 17:25 ` Will Deacon
1 sibling, 0 replies; 3+ messages in thread
From: Will Deacon @ 2023-12-13 17:25 UTC (permalink / raw
To: Huang Shijie, catalin.marinas
Cc: kernel-team, Will Deacon, linux-kernel, patches, linux-arm-kernel
On Wed, 13 Dec 2023 09:20:46 +0800, Huang Shijie wrote:
> The init_irq_stacks() has been changed to use the correct node:
> https://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git/commit/?id=75b5e0bf90bf
>
> The init_irq_scs() has the same issue with init_irq_stacks():
> cpu_to_node() is not initialized yet, it does not work.
>
> This patch uses early_cpu_to_node() to set the init_irq_scs()
> with the correct node.
>
> [...]
Applied to arm64 (for-next/mm), thanks!
[1/1] arm64: irq: set the correct node for shadow call stack
https://git.kernel.org/arm64/c/7b1a09e44dc6
Cheers,
--
Will
https://fixes.arm64.dev
https://next.arm64.dev
https://will.arm64.dev
^ permalink raw reply [flat|nested] 3+ messages in thread
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2023-12-13 1:20 [PATCH] arm64: irq: set the correct node for shadow call stack Huang Shijie
2023-12-13 11:01 ` Catalin Marinas
2023-12-13 17:25 ` Will Deacon
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