From nobody Wed Dec 24 16:06:48 2025 Received: from mailgw.kylinos.cn (mailgw.kylinos.cn [124.126.103.232]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id EA78D1CA81 for ; Thu, 25 Jan 2024 10:09:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=124.126.103.232 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706177346; cv=none; b=msYoeVtUA8/1Ig/u4YXudKJeRYTx8ZccdCKrurgGbrVqfGMXjWgbp1o6+I5lUu37FUbvvKEYCW83s5XE3Swjm9E7VIiGM+90ECoe7NrkZ519FFHBjpmD+3D2k6CS+2to0bgQpwbpgYcAzlQOu+aLaWOCPukkDDx87OTq3i0VG28= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706177346; c=relaxed/simple; bh=feE/pzcwYiMwFlr7r+nVcgXXXtyr7CaTHIey22W0H9M=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=haCON8sA8J3fTe+X+xbhGGjUV2f4+ql2QsFhs8omJHG72NzVIywnpbYUXV13QZrCmRp/1GDoQj5QPMok1Za4XM5eH/KdYkulNxoqeyQE7alZoJZHMgXcM4ad/biXLx434SfHdytds+pgu0Qd9Atgnd7JgWpaV0B3OFKYFMCwFjU= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=kylinos.cn; spf=pass smtp.mailfrom=kylinos.cn; arc=none smtp.client-ip=124.126.103.232 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=kylinos.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=kylinos.cn X-UUID: 7c0b766ba512435ab66b311e2776c7df-20240125 X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.35,REQID:1d8bd605-f9b2-47c7-a380-ef21dc22fcbf,IP:10, URL:0,TC:0,Content:0,EDM:0,RT:0,SF:-15,FILE:0,BULK:0,RULE:Release_Ham,ACTI ON:release,TS:-5 X-CID-INFO: VERSION:1.1.35,REQID:1d8bd605-f9b2-47c7-a380-ef21dc22fcbf,IP:10,UR L:0,TC:0,Content:0,EDM:0,RT:0,SF:-15,FILE:0,BULK:0,RULE:Release_Ham,ACTION :release,TS:-5 X-CID-META: VersionHash:5d391d7,CLOUDID:525bbf7f-4f93-4875-95e7-8c66ea833d57,B ulkID:240125180858YZSW2I97,BulkQuantity:0,Recheck:0,SF:66|38|24|17|19|44|1 02,TC:nil,Content:0,EDM:-3,IP:-2,URL:0,File:nil,Bulk:nil,QS:nil,BEC:nil,CO L:0,OSI:0,OSA:0,AV:0,LES:1,SPR:NO,DKR:0,DKP:0,BRR:0,BRE:0 X-CID-BVR: 0 X-CID-BAS: 0,_,0,_ X-CID-FACTOR: TF_CID_SPAM_SNR,TF_CID_SPAM_FAS,TF_CID_SPAM_FSD,TF_CID_SPAM_FSI X-UUID: 7c0b766ba512435ab66b311e2776c7df-20240125 Received: from mail.kylinos.cn [(39.156.73.10)] by mailgw (envelope-from ) (Generic MTA) with ESMTP id 976720039; Thu, 25 Jan 2024 18:08:57 +0800 Received: from mail.kylinos.cn (localhost [127.0.0.1]) by mail.kylinos.cn (NSMail) with SMTP id 5F189E000EB9; Thu, 25 Jan 2024 18:08:57 +0800 (CST) X-ns-mid: postfix-65B23339-177941856 Received: from kernel.. (unknown [172.20.15.234]) by mail.kylinos.cn (NSMail) with ESMTPA id 4668DE000EB9; Thu, 25 Jan 2024 18:08:56 +0800 (CST) From: Kunwu Chan To: jk@ozlabs.org, arnd@arndb.de, mpe@ellerman.id.au, npiggin@gmail.com, christophe.leroy@csgroup.eu, aneesh.kumar@kernel.org, naveen.n.rao@linux.ibm.com Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, Kunwu Chan Subject: [PATCH] powerpc/cell: Code cleanup for spufs_mfc_flush Date: Thu, 25 Jan 2024 18:08:54 +0800 Message-Id: <20240125100854.540964-1-chentao@kylinos.cn> X-Mailer: git-send-email 2.39.2 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" This part was commented from commit a33a7d7309d7 ("[PATCH] spufs: implement mfc access for PPE-side DMA") in about 18 years before. If there are no plans to enable this part code in the future, we can remove this dead code. Signed-off-by: Kunwu Chan --- arch/powerpc/platforms/cell/spufs/file.c | 12 ------------ 1 file changed, 12 deletions(-) diff --git a/arch/powerpc/platforms/cell/spufs/file.c b/arch/powerpc/platfo= rms/cell/spufs/file.c index 02a8158c469d..d5e1af483601 100644 --- a/arch/powerpc/platforms/cell/spufs/file.c +++ b/arch/powerpc/platforms/cell/spufs/file.c @@ -1705,19 +1705,7 @@ static int spufs_mfc_flush(struct file *file, fl_own= er_t id) ret =3D spu_acquire(ctx); if (ret) goto out; -#if 0 -/* this currently hangs */ - ret =3D spufs_wait(ctx->mfc_wq, - ctx->ops->set_mfc_query(ctx, ctx->tagwait, 2)); - if (ret) - goto out; - ret =3D spufs_wait(ctx->mfc_wq, - ctx->ops->read_mfc_tagstatus(ctx) =3D=3D ctx->tagwait); - if (ret) - goto out; -#else ret =3D 0; -#endif spu_release(ctx); out: return ret; --=20 2.39.2