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GET /api/patches/2194829/?format=api
{ "id": 2194829, "url": "http://patchwork.ozlabs.org/api/patches/2194829/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260210023040.3507338-2-gaosong@loongson.cn/", "project": { "id": 14, "url": "http://patchwork.ozlabs.org/api/projects/14/?format=api", "name": "QEMU Development", "link_name": "qemu-devel", "list_id": "qemu-devel.nongnu.org", "list_email": "qemu-devel@nongnu.org", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20260210023040.3507338-2-gaosong@loongson.cn>", "list_archive_url": null, "date": "2026-02-10T02:30:34", "name": "[PULL,1/7] target/loongarch: Require atomics to be aligned", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "1c458304fed46871a731758169f36d7dc46b04b9", "submitter": { "id": 82024, "url": "http://patchwork.ozlabs.org/api/people/82024/?format=api", "name": "gaosong", "email": "gaosong@loongson.cn" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260210023040.3507338-2-gaosong@loongson.cn/mbox/", "series": [ { "id": 491593, "url": "http://patchwork.ozlabs.org/api/series/491593/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=491593", "date": "2026-02-10T02:30:38", "name": "[PULL,1/7] target/loongarch: Require atomics to be aligned", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/491593/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2194829/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2194829/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; helo=lists.gnu.org;\n envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org;\n receiver=patchwork.ozlabs.org)", "Received": [ "from lists.gnu.org (lists.gnu.org [209.51.188.17])\n\t(using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits))\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4f95nh0MTwz1xwG\n\tfor <incoming@patchwork.ozlabs.org>; Tue, 10 Feb 2026 13:57:12 +1100 (AEDT)", "from localhost ([::1] helo=lists1p.gnu.org)\n\tby lists.gnu.org with esmtp (Exim 4.90_1)\n\t(envelope-from <qemu-devel-bounces@nongnu.org>)\n\tid 1vpduz-0002RV-9l; Mon, 09 Feb 2026 21:56:01 -0500", "from eggs.gnu.org ([2001:470:142:3::10])\n by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256)\n (Exim 4.90_1) (envelope-from <gaosong@loongson.cn>)\n id 1vpdux-0002QF-2f\n for qemu-devel@nongnu.org; Mon, 09 Feb 2026 21:55:59 -0500", "from mail.loongson.cn ([114.242.206.163])\n by eggs.gnu.org with esmtp (Exim 4.90_1)\n (envelope-from <gaosong@loongson.cn>) id 1vpdut-0003wk-Tm\n for qemu-devel@nongnu.org; Mon, 09 Feb 2026 21:55:58 -0500", "from loongson.cn (unknown [10.2.5.185])\n by gateway (Coremail) with SMTP id _____8AxScI1noppeUoRAA--.55375S3;\n Tue, 10 Feb 2026 10:55:49 +0800 (CST)", "from localhost.localdomain (unknown [10.2.5.185])\n by front1 (Coremail) with SMTP id qMiowJDxD8Mtnoppm59DAA--.61278S3;\n Tue, 10 Feb 2026 10:55:48 +0800 (CST)" ], "From": "Song Gao <gaosong@loongson.cn>", "To": "qemu-devel@nongnu.org", "Cc": "Jiajie Chen <c@jia.je>", "Subject": "[PULL 1/7] target/loongarch: Require atomics to be aligned", "Date": "Tue, 10 Feb 2026 10:30:34 +0800", "Message-Id": "<20260210023040.3507338-2-gaosong@loongson.cn>", "X-Mailer": "git-send-email 2.39.1", "In-Reply-To": "<20260210023040.3507338-1-gaosong@loongson.cn>", "References": "<20260210023040.3507338-1-gaosong@loongson.cn>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "X-CM-TRANSID": "qMiowJDxD8Mtnoppm59DAA--.61278S3", "X-CM-SenderInfo": "5jdr20tqj6z05rqj20fqof0/", "X-Coremail-Antispam": "1Uk129KBjDUn29KB7ZKAUJUUUUU529EdanIXcx71UUUUU7KY7\n ZEXasCq-sGcSsGvfJ3UbIjqfuFe4nvWSU5nxnvy29KBjDU0xBIdaVrnUUvcSsGvfC2Kfnx\n nUUI43ZEXa7xR_UUUUUUUUU==", "Received-SPF": "pass client-ip=114.242.206.163;\n envelope-from=gaosong@loongson.cn;\n helo=mail.loongson.cn", "X-Spam_score_int": "-18", "X-Spam_score": "-1.9", "X-Spam_bar": "-", "X-Spam_report": "(-1.9 / 5.0 requ) BAYES_00=-1.9,\n RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001,\n SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no", "X-Spam_action": "no action", "X-BeenThere": "qemu-devel@nongnu.org", "X-Mailman-Version": "2.1.29", "Precedence": "list", "List-Id": "qemu development <qemu-devel.nongnu.org>", "List-Unsubscribe": "<https://lists.nongnu.org/mailman/options/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>", "List-Archive": "<https://lists.nongnu.org/archive/html/qemu-devel>", "List-Post": "<mailto:qemu-devel@nongnu.org>", "List-Help": "<mailto:qemu-devel-request@nongnu.org?subject=help>", "List-Subscribe": "<https://lists.nongnu.org/mailman/listinfo/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=subscribe>", "Errors-To": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org", "Sender": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org" }, "content": "From: Jiajie Chen <c@jia.je>\n\nCurrently, all atomic instructions in LoongArch require the address to\nbe aligned.\n\nSigned-off-by: Jiajie Chen <c@jia.je>\nReviewed-by: Song Gao <gaosong@loongson.cn>\nSigned-off-by: Song Gao <gaosong@loongson.cn>\n---\n target/loongarch/tcg/insn_trans/trans_atomic.c.inc | 6 +++---\n 1 file changed, 3 insertions(+), 3 deletions(-)", "diff": "diff --git a/target/loongarch/tcg/insn_trans/trans_atomic.c.inc b/target/loongarch/tcg/insn_trans/trans_atomic.c.inc\nindex a1de389e51..b8c962b65a 100644\n--- a/target/loongarch/tcg/insn_trans/trans_atomic.c.inc\n+++ b/target/loongarch/tcg/insn_trans/trans_atomic.c.inc\n@@ -9,7 +9,7 @@ static bool gen_ll(DisasContext *ctx, arg_rr_i *a, MemOp mop)\n TCGv src1 = gpr_src(ctx, a->rj, EXT_NONE);\n TCGv t0 = make_address_i(ctx, src1, a->imm);\n \n- tcg_gen_qemu_ld_i64(t1, t0, ctx->mem_idx, mop);\n+ tcg_gen_qemu_ld_i64(t1, t0, ctx->mem_idx, mop | MO_ALIGN);\n tcg_gen_st_tl(t0, tcg_env, offsetof(CPULoongArchState, lladdr));\n tcg_gen_st_tl(t1, tcg_env, offsetof(CPULoongArchState, llval));\n gen_set_gpr(a->rd, t1, EXT_NONE);\n@@ -37,7 +37,7 @@ static bool gen_sc(DisasContext *ctx, arg_rr_i *a, MemOp mop)\n tcg_gen_mov_tl(val, src2);\n /* generate cmpxchg */\n tcg_gen_atomic_cmpxchg_tl(t0, cpu_lladdr, cpu_llval,\n- val, ctx->mem_idx, mop);\n+ val, ctx->mem_idx, mop | MO_ALIGN);\n tcg_gen_setcond_tl(TCG_COND_EQ, dest, t0, cpu_llval);\n gen_set_label(done);\n gen_set_gpr(a->rd, dest, EXT_NONE);\n@@ -63,7 +63,7 @@ static bool gen_am(DisasContext *ctx, arg_rrr *a,\n \n addr = make_address_i(ctx, addr, 0);\n \n- func(dest, addr, val, ctx->mem_idx, mop);\n+ func(dest, addr, val, ctx->mem_idx, mop | MO_ALIGN);\n gen_set_gpr(a->rd, dest, EXT_NONE);\n \n return true;\n", "prefixes": [ "PULL", "1/7" ] }