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Subject: Re: [PATCH v2 21/33] locking/atomic: microblaze: move to ARCH_ATOMIC
To:     Mark Rutland <mark.rutland@arm.com>, linux-kernel@vger.kernel.org,
        will@kernel.org, boqun.feng@gmail.com, peterz@infradead.org
Cc:     aou@eecs.berkeley.edu, arnd@arndb.de, bcain@codeaurora.org,
        benh@kernel.crashing.org, chris@zankel.net, dalias@libc.org,
        davem@davemloft.net, deanbo422@gmail.com, deller@gmx.de,
        geert@linux-m68k.org, gerg@linux-m68k.org, green.hu@gmail.com,
        guoren@kernel.org, ink@jurassic.park.msu.ru,
        James.Bottomley@HansenPartnership.com, jcmvbkbc@gmail.com,
        jonas@southpole.se, ley.foon.tan@intel.com, linux@armlinux.org.uk,
        mattst88@gmail.com, mpe@ellerman.id.au, nickhu@andestech.com,
        palmerdabbelt@google.com, paulus@samba.org,
        paul.walmsley@sifive.com, rth@twiddle.net, shorne@gmail.com,
        stefan.kristiansson@saunalahti.fi, tsbogend@alpha.franken.de,
        vgupta@synopsys.com, ysato@users.sourceforge.jp
References: <20210525140232.53872-1-mark.rutland@arm.com>
 <20210525140232.53872-22-mark.rutland@arm.com>
From:   Michal Simek <monstr@monstr.eu>
Message-ID: <8ba825a4-5213-b355-ba3a-ef9e67e1ce78@monstr.eu>
Date:   Mon, 31 May 2021 14:31:15 +0200
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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@arm.com>
> Cc: Boqun Feng <boqun.feng@gmail.com>
> Cc: Michal Simek <monstr@monstr.eu>
> Cc: Peter Zijlstra <peterz@infradead.org>
> Cc: Will Deacon <will@kernel.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@xilinx.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