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GET /api/1.1/patches/2228888/?format=api
{ "id": 2228888, "url": "http://patchwork.ozlabs.org/api/1.1/patches/2228888/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260427124738.966578-18-peter.maydell@linaro.org/", "project": { "id": 14, "url": "http://patchwork.ozlabs.org/api/1.1/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": "" }, "msgid": "<20260427124738.966578-18-peter.maydell@linaro.org>", "date": "2026-04-27T12:46:51", "name": "[PULL,17/63] target/arm: Ignore endianness when setting MTE tags", "commit_ref": null, "pull_url": null, "state": "not-applicable", "archived": false, "hash": "b9902252acb755842b1bae9d41b450d3c5ef07c6", "submitter": { "id": 5111, "url": "http://patchwork.ozlabs.org/api/1.1/people/5111/?format=api", "name": "Peter Maydell", "email": "peter.maydell@linaro.org" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260427124738.966578-18-peter.maydell@linaro.org/mbox/", "series": [ { "id": 501642, "url": "http://patchwork.ozlabs.org/api/1.1/series/501642/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=501642", "date": "2026-04-27T12:46:34", "name": "[PULL,01/63] docs/system: add FEAT_AA32 and FEAT_AA64 to emulation list", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/501642/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2228888/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2228888/checks/", "tags": {}, "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\tdkim=pass (2048-bit key;\n unprotected) header.d=linaro.org header.i=@linaro.org header.a=rsa-sha256\n header.s=google header.b=eLSsXnH0;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; helo=lists1p.gnu.org;\n envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org;\n receiver=patchwork.ozlabs.org)" ], "Received": [ "from lists1p.gnu.org (lists1p.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 4g43bs51Hxz1yHX\n\tfor <incoming@patchwork.ozlabs.org>; Mon, 27 Apr 2026 23:01:29 +1000 (AEST)", "from localhost ([::1] helo=lists1p.gnu.org)\n\tby lists1p.gnu.org with esmtp (Exim 4.90_1)\n\t(envelope-from <qemu-devel-bounces@nongnu.org>)\n\tid 1wHLW5-0003M7-M0; Mon, 27 Apr 2026 08:56:50 -0400", "from eggs.gnu.org ([2001:470:142:3::10])\n by lists1p.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256)\n (Exim 4.90_1) (envelope-from <peter.maydell@linaro.org>)\n id 1wHLVB-0002TS-TO\n for qemu-devel@nongnu.org; Mon, 27 Apr 2026 08:55:57 -0400", "from mail-ed1-x536.google.com ([2a00:1450:4864:20::536])\n by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128)\n (Exim 4.90_1) (envelope-from <peter.maydell@linaro.org>)\n id 1wHLV9-0000GX-Ss\n for qemu-devel@nongnu.org; Mon, 27 Apr 2026 08:55:53 -0400", "by mail-ed1-x536.google.com with SMTP id\n 4fb4d7f45d1cf-671d60ef9c6so13990343a12.2\n for <qemu-devel@nongnu.org>; Mon, 27 Apr 2026 05:55:51 -0700 (PDT)", "from lanath.. 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So we could simply drop MO_TE.\n That would produce a store in host-endianness, which will be\n fractionally more efficient on some hosts.\n\n[*] https://lore.kernel.org/qemu-devel/d64d3576-9188-4e74-afdc-3492c9feb8e0@linaro.org/\n\nReviewed-by: Richard Henderson <richard.henderson@linaro.org>\nSigned-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>\nMessage-id: 20260414005348.4767-2-philmd@linaro.org\nSigned-off-by: Peter Maydell <peter.maydell@linaro.org>\n---\n target/arm/tcg/helper-a64.c | 2 +-\n 1 file changed, 1 insertion(+), 1 deletion(-)", "diff": "diff --git a/target/arm/tcg/helper-a64.c b/target/arm/tcg/helper-a64.c\nindex a7372aa6bb..dd1f9c6dc6 100644\n--- a/target/arm/tcg/helper-a64.c\n+++ b/target/arm/tcg/helper-a64.c\n@@ -1019,7 +1019,7 @@ static uint64_t set_step_tags(CPUARMState *env, uint64_t toaddr,\n * the page dirty and will use the fast path.\n */\n uint64_t repldata = data * 0x0101010101010101ULL;\n- MemOpIdx oi16 = make_memop_idx(MO_TE | MO_128, memidx);\n+ MemOpIdx oi16 = make_memop_idx(MO_128, memidx);\n cpu_st16_mmu(env, toaddr, int128_make128(repldata, repldata), oi16, ra);\n mte_mops_set_tags(env, toaddr, 16, *mtedesc);\n return 16;\n", "prefixes": [ "PULL", "17/63" ] }