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([2a02:768:2307:40d6::45a]) by smtp.gmail.com with ESMTPSA id fe20sm5526644ejc.108.2021.05.31.05.31.15 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 31 May 2021 05:31:16 -0700 (PDT) Subject: Re: [PATCH v2 21/33] locking/atomic: microblaze: move to ARCH_ATOMIC To: Mark Rutland , 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 Message-ID: <8ba825a4-5213-b355-ba3a-ef9e67e1ce78@monstr.eu> Date: Mon, 31 May 2021 14:31:15 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.10.2 MIME-Version: 1.0 In-Reply-To: <20210525140232.53872-22-mark.rutland@arm.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 > Cc: Boqun Feng > Cc: Michal Simek > Cc: Peter Zijlstra > Cc: Will Deacon > --- > 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 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