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{ "id": 2198287, "url": "http://patchwork.ozlabs.org/api/1.0/covers/2198287/?format=api", "project": { "id": 14, "url": "http://patchwork.ozlabs.org/api/1.0/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": "<20260219185409.708130-1-jsnow@redhat.com>", "date": "2026-02-19T18:54:08", "name": "[v2,0/1] rust: use checked_div()", "submitter": { "id": 64343, "url": "http://patchwork.ozlabs.org/api/1.0/people/64343/?format=api", "name": "John Snow", "email": "jsnow@redhat.com" }, "series": [ { "id": 492713, "url": "http://patchwork.ozlabs.org/api/1.0/series/492713/?format=api", "date": "2026-02-19T18:54:08", "name": "rust: use checked_div()", "version": 2, "mbox": "http://patchwork.ozlabs.org/series/492713/mbox/" } ], "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 (1024-bit key;\n unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256\n header.s=mimecast20190719 header.b=JOZVSMRD;\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; d=redhat.com;\n s=mimecast20190719; t=1771527255;\n h=from:from:reply-to:subject:subject:date:date:message-id:message-id:\n to:to:cc:cc:mime-version:mime-version:content-type:content-type:\n content-transfer-encoding:content-transfer-encoding;\n bh=muNJkDHkTZ0DlgE6VnrMP0Q+z0h1ZSqviga90icLIzI=;\n b=JOZVSMRDiDr8VSVZuPnOy6DsDbfER8OHZbcZrEnPWvrmWa2ri/Vvc0hMakk/iz3Lox94DY\n hQNuXEdg/jqkscjnPCWxV+Vseb1bx75ptgb79bW2QSaLMe50A+6CLw9eUXqGLr1ebaZv+q\n yEDHwXsvLNk6oJE6hXZiuRElgU6cTPw=", "X-MC-Unique": "L7Zg-1F_OR-o-P2qRJNANg-1", "X-Mimecast-MFC-AGG-ID": "L7Zg-1F_OR-o-P2qRJNANg_1771527253", "From": "John Snow <jsnow@redhat.com>", "To": "qemu-devel@nongnu.org", "Cc": "qemu-rust@nongnu.org,\n Manos Pitsidianakis <manos.pitsidianakis@linaro.org>,\n John Snow <jsnow@redhat.com>", "Subject": "[PATCH v2 0/1] rust: use checked_div()", "Date": "Thu, 19 Feb 2026 13:54:08 -0500", "Message-ID": "<20260219185409.708130-1-jsnow@redhat.com>", "Content-Type": "text/plain; charset=\"utf-8\"", "MIME-Version": "1.0", "Content-Transfer-Encoding": "quoted-printable", "X-Scanned-By": "MIMEDefang 3.0 on 10.30.177.17", "Received-SPF": "pass client-ip=170.10.129.124; envelope-from=jsnow@redhat.com;\n helo=us-smtp-delivery-124.mimecast.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, DKIMWL_WL_HIGH=-0.045,\n DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1,\n RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001,\n RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001,\n RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001,\n SPF_HELO_PASS=-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": "When upgrading from Fedora 41 to Fedora 43 for our CI tests, (Which I do in\nhttps://patchew.org/QEMU/20260216212952.420120-1-jsnow@redhat.com/),\nclippy begins complaining about not using checked_div instead of\nmanually checking divisors; see https://gitlab.com/jsnow/qemu/-/jobs/13169193931\n\nThis patch aims to make Clippy happy and prevent any regressions caused\nby the lcitool refresh.\n\nv2:\n\n - Fixed divisor/dividend order for period_to_hz; the correct order is\n DIVIDEND.checked_div(DIVISOR); I had a thinko where I just inverted\n the formula from period_from_hz(), believing it was a perfect\n inverse; it isn't! Thank you very much to Richard Henderson for\n noticing my mistake.\n\nJohn Snow (1):\n rust: use checked_div to make clippy happy\n\n rust/hw/core/src/qdev.rs | 14 ++++++--------\n 1 file changed, 6 insertions(+), 8 deletions(-)" }