* [PATCH] riscv: mm: init: mark satp_mode __ro_after_init
@ 2022-01-25 16:00 Jisheng Zhang
2022-02-14 23:49 ` Palmer Dabbelt
0 siblings, 1 reply; 2+ messages in thread
From: Jisheng Zhang @ 2022-01-25 16:00 UTC (permalink / raw)
To: Paul Walmsley, Palmer Dabbelt, Albert Ou; +Cc: linux-riscv, linux-kernel
satp_mode is never modified after init, so it can be marked as
__ro_after_init.
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
---
arch/riscv/mm/init.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/riscv/mm/init.c b/arch/riscv/mm/init.c
index 8347d0fda8cd..35586688a1b6 100644
--- a/arch/riscv/mm/init.c
+++ b/arch/riscv/mm/init.c
@@ -38,9 +38,9 @@ EXPORT_SYMBOL(kernel_map);
#endif
#ifdef CONFIG_64BIT
-u64 satp_mode = !IS_ENABLED(CONFIG_XIP_KERNEL) ? SATP_MODE_48 : SATP_MODE_39;
+u64 satp_mode __ro_after_init = !IS_ENABLED(CONFIG_XIP_KERNEL) ? SATP_MODE_48 : SATP_MODE_39;
#else
-u64 satp_mode = SATP_MODE_32;
+u64 satp_mode __ro_after_init = SATP_MODE_32;
#endif
EXPORT_SYMBOL(satp_mode);
--
2.34.1
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [PATCH] riscv: mm: init: mark satp_mode __ro_after_init
2022-01-25 16:00 [PATCH] riscv: mm: init: mark satp_mode __ro_after_init Jisheng Zhang
@ 2022-02-14 23:49 ` Palmer Dabbelt
0 siblings, 0 replies; 2+ messages in thread
From: Palmer Dabbelt @ 2022-02-14 23:49 UTC (permalink / raw)
To: jszhang; +Cc: Paul Walmsley, aou, linux-riscv, linux-kernel
On Tue, 25 Jan 2022 08:00:12 PST (-0800), jszhang@kernel.org wrote:
> satp_mode is never modified after init, so it can be marked as
> __ro_after_init.
>
> Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
> ---
> arch/riscv/mm/init.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/arch/riscv/mm/init.c b/arch/riscv/mm/init.c
> index 8347d0fda8cd..35586688a1b6 100644
> --- a/arch/riscv/mm/init.c
> +++ b/arch/riscv/mm/init.c
> @@ -38,9 +38,9 @@ EXPORT_SYMBOL(kernel_map);
> #endif
>
> #ifdef CONFIG_64BIT
> -u64 satp_mode = !IS_ENABLED(CONFIG_XIP_KERNEL) ? SATP_MODE_48 : SATP_MODE_39;
> +u64 satp_mode __ro_after_init = !IS_ENABLED(CONFIG_XIP_KERNEL) ? SATP_MODE_48 : SATP_MODE_39;
> #else
> -u64 satp_mode = SATP_MODE_32;
> +u64 satp_mode __ro_after_init = SATP_MODE_32;
> #endif
> EXPORT_SYMBOL(satp_mode);
Thanks, this is on for-next.
^ permalink raw reply [flat|nested] 2+ messages in thread
end of thread, other threads:[~2022-02-14 23:49 UTC | newest]
Thread overview: 2+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2022-01-25 16:00 [PATCH] riscv: mm: init: mark satp_mode __ro_after_init Jisheng Zhang
2022-02-14 23:49 ` Palmer Dabbelt
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
Powered by JetHome