linux-kernel - Re: [PATCH v2 21/33] locking/atomic: microblaze: move to ARCH

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Date:   Mon, 31 May 2021 14:31:15 +0200
From:   Michal Simek <monstr@...str.eu>
To:     Mark Rutland <mark.rutland@....com>, linux-kernel@...r.kernel.org,
        will@...nel.org, boqun.feng@...il.com, peterz@...radead.org
Cc:     aou@...s.berkeley.edu, arnd@...db.de, bcain@...eaurora.org,
        benh@...nel.crashing.org, chris@...kel.net, dalias@...c.org,
        davem@...emloft.net, deanbo422@...il.com, deller@....de,
        geert@...ux-m68k.org, gerg@...ux-m68k.org, green.hu@...il.com,
        guoren@...nel.org, ink@...assic.park.msu.ru,
        James.Bottomley@...senPartnership.com, jcmvbkbc@...il.com,
        jonas@...thpole.se, ley.foon.tan@...el.com, linux@...linux.org.uk,
        mattst88@...il.com, mpe@...erman.id.au, nickhu@...estech.com,
        palmerdabbelt@...gle.com, paulus@...ba.org,
        paul.walmsley@...ive.com, rth@...ddle.net, shorne@...il.com,
        stefan.kristiansson@...nalahti.fi, tsbogend@...ha.franken.de,
        vgupta@...opsys.com, ysato@...rs.sourceforge.jp
Subject: Re: [PATCH v2 21/33] locking/atomic: microblaze: move to ARCH_ATOMIC



On 5/25/21 4:02 PM, Mark Rutland wrote:
> We'd like all architectures to convert to ARCH_ATOMIC, as once all
> architectures are converted it will be possible to make significant
> cleanups to the atomics headers, and this will make it much easier to
> generically enable atomic functionality (e.g. debug logic in the
> instrumented wrappers).
> 
> As a step towards that, this patch migrates microblaze to ARCH_ATOMIC,
> using the asm-generic implementations.
> 
> Signed-off-by: Mark Rutland <mark.rutland@....com>
> Cc: Boqun Feng <boqun.feng@...il.com>
> Cc: Michal Simek <monstr@...str.eu>
> Cc: Peter Zijlstra <peterz@...radead.org>
> Cc: Will Deacon <will@...nel.org>
> ---
>  arch/microblaze/Kconfig | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/arch/microblaze/Kconfig b/arch/microblaze/Kconfig
> index 0660f47012bc..5a52922dc225 100644
> --- a/arch/microblaze/Kconfig
> +++ b/arch/microblaze/Kconfig
> @@ -2,6 +2,7 @@
>  config MICROBLAZE
>  	def_bool y
>  	select ARCH_32BIT_OFF_T
> +	select ARCH_ATOMIC
>  	select ARCH_NO_SWAP
>  	select ARCH_HAS_DMA_PREP_COHERENT
>  	select ARCH_HAS_GCOV_PROFILE_ALL
> 

Acked-by: Michal Simek <michal.simek@...inx.com>

Thanks,
Michal

-- 
Michal Simek, Ing. (M.Eng), OpenPGP -> KeyID: FE3D1F91
w: www.monstr.eu p: +42-0-721842854
Maintainer of Linux kernel - Xilinx Microblaze
Maintainer of Linux kernel - Xilinx Zynq ARM and ZynqMP ARM64 SoCs
U-Boot custodian - Xilinx Microblaze/Zynq/ZynqMP/Versal SoCs


-- 
Michal Simek, Ing. (M.Eng), OpenPGP -> KeyID: FE3D1F91
w: www.monstr.eu p: +42-0-721842854
Maintainer of Linux kernel - Xilinx Microblaze
Maintainer of Linux kernel - Xilinx Zynq ARM and ZynqMP ARM64 SoCs
U-Boot custodian - Xilinx Microblaze/Zynq/ZynqMP/Versal SoCs