From mboxrd@z Thu Jan 1 00:00:00 1970 From: Uros Bizjak Subject: [PATCH 05/10] locking/mips: Wire up local_try_cmpxchg Date: Sun, 5 Mar 2023 21:56:23 +0100 Message-ID: <20230305205628.27385-6-ubizjak@gmail.com> References: <20230305205628.27385-1-ubizjak@gmail.com> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Return-path: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; t=1678049821; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=uKMdOBSHNrQUgSWU9KR0ogbHUm36R1MCQj8zVPpN6EQ=; b=mU214HoBD9PhosOri5UfMQjRIEUU9I7ZxXJTaKzr9RcaKrtgXfOrYoiIrC1H/cgukR nGR3h38W8sHvMacW4UFXHQQDKZCvOloFPDQjKO9O//zDviZ9mQzevFeYU88TK71GZ7Yl D/k8cQsg+q4J+35dqG/OlVnh0MnVnhlAufeVmyjxTwVhOBT0LoXY5y0X7PCib/wU0Eyx +QpOr0musHR7lTYq7pSl2aAa1WKY3GvzHvpUUY9s2BqBAo6O2o2u90yeCuiEiCaWos8D 58spoyzzG9c6tD9JstLQOIUhjogJWxBR9MJwe+mON+OA4NcDB3DdTwAuF12GKQUZRS1z /wOg== In-Reply-To: <20230305205628.27385-1-ubizjak@gmail.com> List-ID: Content-Type: text/plain; charset="us-ascii" To: linux-alpha@vger.kernel.org, linux-kernel@vger.kernel.org, loongarch@lists.linux.dev, linux-mips@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-arch@vger.kernel.org, linux-perf-users@vger.kernel.org Cc: Uros Bizjak , Thomas Bogendoerfer Implement target specific support for local_try_cmpxchg. Cc: Thomas Bogendoerfer Signed-off-by: Uros Bizjak --- arch/mips/include/asm/local.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/mips/include/asm/local.h b/arch/mips/include/asm/local.h index 08366b1fd273..b611361a760b 100644 --- a/arch/mips/include/asm/local.h +++ b/arch/mips/include/asm/local.h @@ -96,6 +96,8 @@ static __inline__ long local_sub_return(long i, local_t * l) #define local_cmpxchg(l, o, n) \ ((long)cmpxchg_local(&((l)->a.counter), (o), (n))) +#define local_try_cmpxchg(l, po, n) \ + (try_cmpxchg_local(&((l)->a.counter), (po), (n))) #define local_xchg(l, n) (atomic_long_xchg((&(l)->a), (n))) /** -- 2.39.2