From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-ed1-f52.google.com (mail-ed1-f52.google.com [209.85.208.52]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7D5E13C34 for ; Sun, 5 Mar 2023 20:57:01 +0000 (UTC) Received: by mail-ed1-f52.google.com with SMTP id cy23so30648131edb.12 for ; Sun, 05 Mar 2023 12:57:01 -0800 (PST) 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== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1678049821; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=uKMdOBSHNrQUgSWU9KR0ogbHUm36R1MCQj8zVPpN6EQ=; b=DJy385s6j1VllxwOt5VlQWmZmNmpjPyRsJCLUkff4eqoJ8st/qLPG0A5HKuQevfWQD iELX5NMjTKYclw6ZwUXorJAIfbXgXsv2wltiTZYWpg3YDYeFDpllui+pOfprh3X0F1rb IIWXBJHyKGcLJ4nhXREeKDYE4PQ4xzKQsf0gI44lgquBvxcLOr72ktzMXGB7WPJLciQK WqiE85lNZefMeuTa9c/rIHogOCQGKbYAeZaaHBRxf515e/y+xfHfle2rdu5aCdYviQiK 9Unll+rfDamp6umdQ5bsqdasfvGlFaW4NHvbYyivqiGS/ZeVFxROSVuBr9sUSFaEQ1G1 GQDQ== X-Gm-Message-State: AO0yUKUpFCYzYdFrS6Af6QiYjjFsVIItx7/ekL1b7kgPNOewUShJWajc 1ELuVRkt91vcyuIqF9TeGJQ= X-Google-Smtp-Source: AK7set9JmkSQG/Vtrq8HSHi055snSsQ75iU15X3bC3GR1ZZPzMtMJBUaiieJD+9Jtu7PbJHJEQIXfg== X-Received: by 2002:a17:907:1c1d:b0:8b1:3a8e:232 with SMTP id nc29-20020a1709071c1d00b008b13a8e0232mr10822778ejc.74.1678049820999; Sun, 05 Mar 2023 12:57:00 -0800 (PST) Received: from localhost.localdomain ([46.248.82.114]) by smtp.gmail.com with ESMTPSA id ay24-20020a170906d29800b0090953b9da51sm3615436ejb.194.2023.03.05.12.57.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 05 Mar 2023 12:57:00 -0800 (PST) From: Uros Bizjak 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 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> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230305205628.27385-1-ubizjak@gmail.com> References: <20230305205628.27385-1-ubizjak@gmail.com> Precedence: bulk X-Mailing-List: loongarch@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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