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GET /api/patches/2197177/?format=api
{ "id": 2197177, "url": "http://patchwork.ozlabs.org/api/patches/2197177/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260217095106.598486-2-richard.henderson@linaro.org/", "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": "<20260217095106.598486-2-richard.henderson@linaro.org>", "list_archive_url": null, "date": "2026-02-17T09:51:00", "name": "[v2,1/7] page-vary: Expose TARGET_PAGE_BITS_MIN definition", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "ec31caa74fb600fb8ae208ee7703378aec6b9cfd", "submitter": { "id": 72104, "url": "http://patchwork.ozlabs.org/api/people/72104/?format=api", "name": "Richard Henderson", "email": "richard.henderson@linaro.org" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260217095106.598486-2-richard.henderson@linaro.org/mbox/", "series": [ { "id": 492403, "url": "http://patchwork.ozlabs.org/api/series/492403/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=492403", "date": "2026-02-17T09:51:04", "name": "page-vary: Build once", "version": 2, "mbox": "http://patchwork.ozlabs.org/series/492403/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2197177/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2197177/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=bCHz8bSg;\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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a=rsa-sha256; c=relaxed/relaxed;\n d=1e100.net; s=20230601; t=1771322324; x=1771927124;\n h=content-transfer-encoding:mime-version:references:in-reply-to\n :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from\n :to:cc:subject:date:message-id:reply-to;\n bh=mKoafgl9k/P7C/ae0FhPI1YFMXXnXfGrilpKysbRFTw=;\n b=GD1c/gl4mP5hSjB2SMHuQlfh11f2KyvUX9bvaUaJ32CrzrND+X8ICPfV2ZNPZYmx6V\n Jktm24+8jXbXTpNlyb41cB0CiCM2QsMiReJM0MvO4mv3KHmWC4sYVINP+vhd8MUPj5Od\n cF4AGqKmhNxg7LI4+3oDm6xlsqzjJGv9xxW911ZQFzwDYI1y/iXylW9VnXtNy7vvWrcX\n eUnp0gbpSW0W/u7uUcK/eFp+xWwGjEkAwQcSoNv5moGTPCFUNU79FDuCDh0I4x2R7x6n\n NiTMgNH0JkcXyQu2yT6knaPs6RUspE1dhlLn9HcmCRok+Bi/eO0k1Os47YK4RRlCXNPq\n SkrQ==", "X-Gm-Message-State": "AOJu0YxnrruaI1DY3R8Rkr9u9ujvsc2vhliRZRY5egklg/JSGnYUjos2\n fyfZW6jo5voHiAd54A8QtzBLOC1YOvYr3A4JxiMDxckFsyAElwmcLiU4Bup23UW8SVXZnDd/iwq\n a1V53", "X-Gm-Gg": "AZuq6aLsNNdDT6NjldcIkNK0YmuiY0SHnlIk1SEs2wLnRGr16eoc9fCIyxBfFYFUF+/\n WXTU1pMPNwmMGF5OeFUAFDAwAzYhNdQ7UF95JH+ayEGELy5OkjfftmdA7kMPCeZMzNEiH5mmE6z\n Y9qJJrW4be1C+fODETP6NLlBJG00VG0PG3bUsEzKSg2kNdPpXthlMhSVwf/iFKNaaqSZAUx2Fga\n 5LBnJOKFx6lVahJYBzAbv2cTT0N0Gz5qKamdkc83xPrFeb0wx+B49pWcdXbp1GywRDRpcilC0eb\n XNaAr+iUe7vQW6CjPl5TBKldVaBlSbSjLPSrw+DwrMX/eX3z7zzZxBhTari7B3A46k+yUeHH+n1\n DS9vekgV4bEkqglXjG4LD84irEcjTId9OC1VgfxPXwzop77ecLkiCoeAGGqZBvo/ZeOHKR4Lq1u\n Tk6+wsU9ubebmv/fscHb3nKbb5lvc2cawF0KE7BngIlQmSwF3NkHzo485ZtkxncPse0/AlNbi+m\n R5UoNSkzhQcTeDwPsjXFm4XsNPRFIAvr9RugUxOk7SAwPfcJw==", "X-Received": "by 2002:a17:903:22ca:b0:2aa:d7fe:8603 with SMTP id\n d9443c01a7336-2ad17431b82mr99461555ad.8.1771321874944;\n Tue, 17 Feb 2026 01:51:14 -0800 (PST)", "From": "Richard Henderson <richard.henderson@linaro.org>", "To": "qemu-devel@nongnu.org", "Cc": "philmd@linaro.org,\n\tPierrick Bouvier <pierrick.bouvier@linaro.org>", "Subject": "[PATCH v2 1/7] page-vary: Expose TARGET_PAGE_BITS_MIN definition", "Date": "Tue, 17 Feb 2026 19:51:00 +1000", "Message-ID": "<20260217095106.598486-2-richard.henderson@linaro.org>", "X-Mailer": "git-send-email 2.43.0", "In-Reply-To": "<20260217095106.598486-1-richard.henderson@linaro.org>", "References": "<20260217095106.598486-1-richard.henderson@linaro.org>", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=UTF-8", "Content-Transfer-Encoding": "8bit", "Received-SPF": "pass client-ip=2607:f8b0:4864:20::331;\n envelope-from=richard.henderson@linaro.org; helo=mail-ot1-x331.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": "From: Philippe Mathieu-Daudé <philmd@linaro.org>\n\nWe'll use TARGET_PAGE_BITS_MIN in page-vary-common.c,\nso expose it via \"exec/page-vary.h\".\n\nSigned-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>\nReviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>\nSigned-off-by: Richard Henderson <richard.henderson@linaro.org>\nMessage-ID: <20260213182713.44924-3-philmd@linaro.org>\n---\n include/exec/page-vary.h | 14 ++++++++++++++\n page-vary-target.c | 15 ---------------\n 2 files changed, 14 insertions(+), 15 deletions(-)", "diff": "diff --git a/include/exec/page-vary.h b/include/exec/page-vary.h\nindex 101c25911c..3c77689ca5 100644\n--- a/include/exec/page-vary.h\n+++ b/include/exec/page-vary.h\n@@ -20,6 +20,20 @@\n #ifndef EXEC_PAGE_VARY_H\n #define EXEC_PAGE_VARY_H\n \n+/*\n+ * For system mode, the minimum comes from the number of bits\n+ * required for maximum alignment (6) and the number of bits\n+ * required for TLB_FLAGS_MASK (3).\n+ *\n+ * For user mode, TARGET_PAGE_BITS_VARY is a hack to allow the target\n+ * page size to match the host page size. Mostly, this reduces the\n+ * ordinary target page size to run on a host with 4KiB pages (i.e. x86).\n+ * There is no true minimum required by the implementation, but keep the\n+ * same minimum as for system mode for sanity.\n+ * See linux-user/mmap.c, mmap_h_lt_g and mmap_h_gt_g.\n+ */\n+#define TARGET_PAGE_BITS_MIN 9\n+\n typedef struct {\n bool decided;\n int bits;\ndiff --git a/page-vary-target.c b/page-vary-target.c\nindex 49a32b4fe5..ab92da4539 100644\n--- a/page-vary-target.c\n+++ b/page-vary-target.c\n@@ -23,21 +23,6 @@\n #include \"exec/page-vary.h\"\n #include \"exec/target_page.h\"\n \n-\n-/*\n- * For system mode, the minimum comes from the number of bits\n- * required for maximum alignment (6) and the number of bits\n- * required for TLB_FLAGS_MASK (3).\n- *\n- * For user mode, TARGET_PAGE_BITS_VARY is a hack to allow the target\n- * page size to match the host page size. Mostly, this reduces the\n- * ordinary target page size to run on a host with 4KiB pages (i.e. x86).\n- * There is no true minimum required by the implementation, but keep the\n- * same minimum as for system mode for sanity.\n- * See linux-user/mmap.c, mmap_h_lt_g and mmap_h_gt_g.\n- */\n-#define TARGET_PAGE_BITS_MIN 9\n-\n #ifndef TARGET_PAGE_BITS_VARY\n QEMU_BUILD_BUG_ON(TARGET_PAGE_BITS < TARGET_PAGE_BITS_MIN);\n #endif\n", "prefixes": [ "v2", "1/7" ] }