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GET /api/1.1/patches/2222918/?format=api
{ "id": 2222918, "url": "http://patchwork.ozlabs.org/api/1.1/patches/2222918/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260414005348.4767-2-philmd@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": "<20260414005348.4767-2-philmd@linaro.org>", "date": "2026-04-14T00:53:40", "name": "[v2,1/9] target/arm: Ignore endianness when setting MTE tags", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "b9902252acb755842b1bae9d41b450d3c5ef07c6", "submitter": { "id": 85046, "url": "http://patchwork.ozlabs.org/api/1.1/people/85046/?format=api", "name": "Philippe Mathieu-Daudé", "email": "philmd@linaro.org" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260414005348.4767-2-philmd@linaro.org/mbox/", "series": [ { "id": 499764, "url": "http://patchwork.ozlabs.org/api/1.1/series/499764/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=499764", "date": "2026-04-14T00:53:39", "name": "target/arm: Remove MO_TE to compile MVE/M helpers once", "version": 2, "mbox": "http://patchwork.ozlabs.org/series/499764/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2222918/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2222918/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=D27+WbTp;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; 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charset=UTF-8", "Content-Transfer-Encoding": "8bit", "Received-SPF": "pass client-ip=2a00:1450:4864:20::336;\n envelope-from=philmd@linaro.org; helo=mail-wm1-x336.google.com", "X-Spam_score_int": "-20", "X-Spam_score": "-2.1", "X-Spam_bar": "--", "X-Spam_report": "(-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1,\n DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1,\n RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001,\n SPF_PASS=-0.001 autolearn=unavailable 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": "As mentioned by Richard in [*]:\n\n We don't actually need any specific endianness here, because\n every byte has the same value. 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>\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 2dec587d386..9f0801b88b8 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": [ "v2", "1/9" ] }