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GET /api/1.2/patches/2232928/?format=api
{ "id": 2232928, "url": "http://patchwork.ozlabs.org/api/1.2/patches/2232928/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260505103649.68361-3-alex.bennee@linaro.org/", "project": { "id": 14, "url": "http://patchwork.ozlabs.org/api/1.2/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": "<20260505103649.68361-3-alex.bennee@linaro.org>", "list_archive_url": null, "date": "2026-05-05T10:36:46", "name": "[2/5] accel/tcg: move jit thread manipulation into do_tb_phys_invalidate", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "e282d781b3c14944123921a2d0cd2c4e07da0440", "submitter": { "id": 39532, "url": "http://patchwork.ozlabs.org/api/1.2/people/39532/?format=api", "name": "Alex Bennée", "email": "alex.bennee@linaro.org" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260505103649.68361-3-alex.bennee@linaro.org/mbox/", "series": [ { "id": 502809, "url": "http://patchwork.ozlabs.org/api/1.2/series/502809/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=502809", "date": "2026-05-05T10:36:48", "name": "testing/next: macos updates", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/502809/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2232928/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2232928/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\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=Ekp2u3j2;\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::32b;\n envelope-from=alex.bennee@linaro.org; helo=mail-wm1-x32b.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=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": "To invalidate a TB on MacOS we need to enable write access to the JIT\nbuffer. We were doing this for tb_phys_invalidate__locked but that is\nnot the only path into do_tb_phys_invalidate. Move the manipulation\ninto the shared function that does the work.\n\nThis enables watchpoints to work in MacOS TCG guests.\n\nResolves: https://gitlab.com/qemu-project/qemu/-/work_items/3444\nSigned-off-by: Alex Bennée <alex.bennee@linaro.org>\n---\n accel/tcg/tb-maint.c | 5 +++--\n 1 file changed, 3 insertions(+), 2 deletions(-)", "diff": "diff --git a/accel/tcg/tb-maint.c b/accel/tcg/tb-maint.c\nindex cd7c32361bb..9a648f97865 100644\n--- a/accel/tcg/tb-maint.c\n+++ b/accel/tcg/tb-maint.c\n@@ -925,6 +925,7 @@ static void do_tb_phys_invalidate(TranslationBlock *tb, bool rm_from_page_list)\n uint32_t orig_cflags = tb_cflags(tb);\n \n assert_memory_lock();\n+ qemu_thread_jit_write();\n \n /* make sure no further incoming jumps will be chained to this TB */\n qemu_spin_lock(&tb->jmp_lock);\n@@ -954,15 +955,15 @@ static void do_tb_phys_invalidate(TranslationBlock *tb, bool rm_from_page_list)\n /* suppress any remaining jumps to this TB */\n tb_jmp_unlink(tb);\n \n+ qemu_thread_jit_execute();\n+\n qatomic_set(&tb_ctx.tb_phys_invalidate_count,\n tb_ctx.tb_phys_invalidate_count + 1);\n }\n \n static void tb_phys_invalidate__locked(TranslationBlock *tb)\n {\n- qemu_thread_jit_write();\n do_tb_phys_invalidate(tb, true);\n- qemu_thread_jit_execute();\n }\n \n /*\n", "prefixes": [ "2/5" ] }