linux-kernel - [PATCH v2 0/4] locking/atomic: arch_cmpxchg[64]

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Date:   Sat,  4 Nov 2023 17:16:11 +0800
From:   "wuqiang.matt" <wuqiang.matt@...edance.com>
To:     vgupta@...nel.org, bcain@...cinc.com, jonas@...thpole.se,
        stefan.kristiansson@...nalahti.fi, shorne@...il.com,
        geert@...ux-m68k.org, andi.shyti@...ux.intel.com, mingo@...nel.org,
        palmer@...osinc.com, andrzej.hajda@...el.com, arnd@...db.de,
        peterz@...radead.orgm, mhiramat@...nel.org
Cc:     linux-snps-arc@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-hexagon@...r.kernel.org, linux-openrisc@...r.kernel.org,
        linux-trace-kernel@...r.kernel.org, mattwu@....com,
        linux@...ck-us.ne, "wuqiang.matt" <wuqiang.matt@...edance.com>
Subject: [PATCH v2 0/4] locking/atomic: arch_cmpxchg[64]_local undefined

This patch series implement arch_cmpxchg[64]_local for arc,
openrisc and hexagon.

For architectures that support native cmpxchg, we'd like to
implement arch_cmpxchg[64]_local with the native variants of
supported data size. If not, the generci_cmpxchg[64]_local
will be used.

wuqiang.matt (4):
  locking/atomic: arc: data size checking in arch_cmpxchg
  locking/atomic: arc: arch_cmpxchg[64]_local undefined
  locking/atomic: openrisc: arch_cmpxchg[64]_local undefined
  locking/atomic: hexagon: arch_cmpxchg[64]_local undefined

 arch/arc/include/asm/cmpxchg.h      | 40 ++++++++++++++++++----
 arch/hexagon/include/asm/cmpxchg.h  | 51 ++++++++++++++++++++++++++++-
 arch/openrisc/include/asm/cmpxchg.h |  6 ++++
 3 files changed, 90 insertions(+), 7 deletions(-)

-- 
2.40.1