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* [PATCH v2 1/1] riscv: Select ARCH_SUPPORTS_ATOMIC_RMW by default
@ 2020-06-05  5:15 Chenxi Mao
  2020-06-05  9:03 ` Anup Patel
  2020-06-18 21:53 ` Palmer Dabbelt
  0 siblings, 2 replies; 3+ messages in thread
From: Chenxi Mao @ 2020-06-05  5:15 UTC (permalink / raw)
  To: paul.walmsley; +Cc: palmer, aou, linux-riscv, linux-kernel, maochenxi

Select ARCH_SUPPORTS_ATOMIC_RMW by default to enabel osqlocks.

PS2: Add signed off info.

Signed-off-by: Chenxi Mao <maochenxi@eswin.com>
---
 arch/riscv/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
index a31e1a41913a..cbdc605d20d9 100644
--- a/arch/riscv/Kconfig
+++ b/arch/riscv/Kconfig
@@ -68,6 +68,7 @@ config RISCV
 	select ARCH_HAS_GCOV_PROFILE_ALL
 	select HAVE_COPY_THREAD_TLS
 	select HAVE_ARCH_KASAN if MMU && 64BIT
+	select ARCH_SUPPORTS_ATOMIC_RMW
 
 config ARCH_MMAP_RND_BITS_MIN
 	default 18 if 64BIT
-- 
2.25.1


^ permalink raw reply related	[flat|nested] 3+ messages in thread

* Re: [PATCH v2 1/1] riscv: Select ARCH_SUPPORTS_ATOMIC_RMW by default
  2020-06-05  5:15 [PATCH v2 1/1] riscv: Select ARCH_SUPPORTS_ATOMIC_RMW by default Chenxi Mao
@ 2020-06-05  9:03 ` Anup Patel
  2020-06-18 21:53 ` Palmer Dabbelt
  1 sibling, 0 replies; 3+ messages in thread
From: Anup Patel @ 2020-06-05  9:03 UTC (permalink / raw)
  To: Chenxi Mao
  Cc: Paul Walmsley, linux-riscv, Albert Ou, Palmer Dabbelt,
	linux-kernel@vger.kernel.org List

On Fri, Jun 5, 2020 at 10:45 AM Chenxi Mao <maochenxi@eswin.com> wrote:
>
> Select ARCH_SUPPORTS_ATOMIC_RMW by default to enabel osqlocks.
>
> PS2: Add signed off info.
>
> Signed-off-by: Chenxi Mao <maochenxi@eswin.com>
> ---
>  arch/riscv/Kconfig | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
> index a31e1a41913a..cbdc605d20d9 100644
> --- a/arch/riscv/Kconfig
> +++ b/arch/riscv/Kconfig
> @@ -68,6 +68,7 @@ config RISCV
>         select ARCH_HAS_GCOV_PROFILE_ALL
>         select HAVE_COPY_THREAD_TLS
>         select HAVE_ARCH_KASAN if MMU && 64BIT
> +       select ARCH_SUPPORTS_ATOMIC_RMW
>
>  config ARCH_MMAP_RND_BITS_MIN
>         default 18 if 64BIT
> --
> 2.25.1
>
>

Looks good to me.

Reviewed-by: Anup Patel <anup@brainfault.org>

This is a good candidate for Linux-5.8. Palmer ??

Regards,
Anup

^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [PATCH v2 1/1] riscv: Select ARCH_SUPPORTS_ATOMIC_RMW by default
  2020-06-05  5:15 [PATCH v2 1/1] riscv: Select ARCH_SUPPORTS_ATOMIC_RMW by default Chenxi Mao
  2020-06-05  9:03 ` Anup Patel
@ 2020-06-18 21:53 ` Palmer Dabbelt
  1 sibling, 0 replies; 3+ messages in thread
From: Palmer Dabbelt @ 2020-06-18 21:53 UTC (permalink / raw)
  To: maochenxi; +Cc: Paul Walmsley, aou, linux-riscv, linux-kernel, maochenxi

On Thu, 04 Jun 2020 22:15:10 PDT (-0700), maochenxi@eswin.com wrote:
> Select ARCH_SUPPORTS_ATOMIC_RMW by default to enabel osqlocks.
>
> PS2: Add signed off info.
>
> Signed-off-by: Chenxi Mao <maochenxi@eswin.com>
> ---
>  arch/riscv/Kconfig | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
> index a31e1a41913a..cbdc605d20d9 100644
> --- a/arch/riscv/Kconfig
> +++ b/arch/riscv/Kconfig
> @@ -68,6 +68,7 @@ config RISCV
>  	select ARCH_HAS_GCOV_PROFILE_ALL
>  	select HAVE_COPY_THREAD_TLS
>  	select HAVE_ARCH_KASAN if MMU && 64BIT
> +	select ARCH_SUPPORTS_ATOMIC_RMW
>
>  config ARCH_MMAP_RND_BITS_MIN
>  	default 18 if 64BIT

Thanks, this is on for-next.

^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2020-06-18 21:53 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2020-06-05  5:15 [PATCH v2 1/1] riscv: Select ARCH_SUPPORTS_ATOMIC_RMW by default Chenxi Mao
2020-06-05  9:03 ` Anup Patel
2020-06-18 21:53 ` Palmer Dabbelt

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