linux-kernel - [PATCH 23/33] locking/atomic: nds32: move to ARCH

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Date:   Mon, 10 May 2021 10:37:43 +0100
From:   Mark Rutland <mark.rutland@....com>
To:     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, 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, mark.rutland@....com, mattst88@...il.com,
        monstr@...str.eu, mpe@...erman.id.au, nickhu@...estech.com,
        palmer@...belt.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: [PATCH 23/33] locking/atomic: nds32: move to ARCH_ATOMIC

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 nds32 to ARCH_ATOMIC, using
the asm-generic implementations.

Signed-off-by: Mark Rutland <mark.rutland@....com>
Cc: Boqun Feng <boqun.feng@...il.com>
Cc: Greentime Hu <green.hu@...il.com>
Cc: Nick Hu <nickhu@...estech.com>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Vincent Chen <deanbo422@...il.com>
Cc: Will Deacon <will@...nel.org>
---
 arch/nds32/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/nds32/Kconfig b/arch/nds32/Kconfig
index 62313902d75d..352913573aee 100644
--- a/arch/nds32/Kconfig
+++ b/arch/nds32/Kconfig
@@ -7,6 +7,7 @@
 config NDS32
 	def_bool y
 	select ARCH_32BIT_OFF_T
+	select ARCH_ATOMIC
 	select ARCH_HAS_DMA_PREP_COHERENT
 	select ARCH_HAS_SYNC_DMA_FOR_CPU
 	select ARCH_HAS_SYNC_DMA_FOR_DEVICE
-- 
2.11.0