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

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Date:   Mon, 10 May 2021 10:37:41 +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 21/33] locking/atomic: microblaze: 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 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
-- 
2.11.0