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GET /api/patches/808214/?format=api
{ "id": 808214, "url": "http://patchwork.ozlabs.org/api/patches/808214/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20170831103432.6007-24-marcandre.lureau@redhat.com/", "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": "<20170831103432.6007-24-marcandre.lureau@redhat.com>", "list_archive_url": null, "date": "2017-08-31T10:34:26", "name": "[PULL,23/29] i386/dump: use DIV_ROUND_UP", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "02677f23ef8b0dd128d954eaff3513be47a0977c", "submitter": { "id": 66774, "url": "http://patchwork.ozlabs.org/api/people/66774/?format=api", "name": "Marc-André Lureau", "email": "marcandre.lureau@redhat.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20170831103432.6007-24-marcandre.lureau@redhat.com/mbox/", "series": [ { "id": 788, "url": "http://patchwork.ozlabs.org/api/series/788/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=788", "date": "2017-08-31T10:34:03", "name": "[PULL,01/29] i386: use ROUND_UP macro", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/788/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/808214/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/808214/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@bilbo.ozlabs.org", "Authentication-Results": [ "ozlabs.org;\n\tspf=pass (mailfrom) smtp.mailfrom=nongnu.org\n\t(client-ip=2001:4830:134:3::11; helo=lists.gnu.org;\n\tenvelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org;\n\treceiver=<UNKNOWN>)", "ext-mx04.extmail.prod.ext.phx2.redhat.com;\n\tdmarc=none (p=none dis=none) header.from=redhat.com", "ext-mx04.extmail.prod.ext.phx2.redhat.com;\n\tspf=fail smtp.mailfrom=marcandre.lureau@redhat.com" ], "Received": [ "from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11])\n\t(using TLSv1 with cipher AES256-SHA (256/256 bits))\n\t(No client certificate requested)\n\tby ozlabs.org (Postfix) with ESMTPS id 3xjgQ75zxXz9t2M\n\tfor <incoming@patchwork.ozlabs.org>;\n\tThu, 31 Aug 2017 21:39:26 +1000 (AEST)", "from localhost ([::1]:54972 helo=lists.gnu.org)\n\tby lists.gnu.org with esmtp (Exim 4.71) (envelope-from\n\t<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>)\n\tid 1dnN8x-0007gZ-6m\n\tfor incoming@patchwork.ozlabs.org; Thu, 31 Aug 2017 06:56:15 -0400", "from eggs.gnu.org ([2001:4830:134:3::10]:41904)\n\tby lists.gnu.org with esmtp (Exim 4.71)\n\t(envelope-from <marcandre.lureau@redhat.com>) id 1dnMpr-0002zy-6h\n\tfor qemu-devel@nongnu.org; Thu, 31 Aug 2017 06:36:33 -0400", "from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71)\n\t(envelope-from <marcandre.lureau@redhat.com>) id 1dnMpp-0006YQ-0u\n\tfor qemu-devel@nongnu.org; Thu, 31 Aug 2017 06:36:30 -0400", "from mx1.redhat.com ([209.132.183.28]:40022)\n\tby eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32)\n\t(Exim 4.71) (envelope-from <marcandre.lureau@redhat.com>)\n\tid 1dnMpo-0006XB-Ov; Thu, 31 Aug 2017 06:36:28 -0400", "from smtp.corp.redhat.com\n\t(int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13])\n\t(using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits))\n\t(No client certificate requested)\n\tby mx1.redhat.com (Postfix) with ESMTPS id 716A98047E;\n\tThu, 31 Aug 2017 10:36:23 +0000 (UTC)", "from localhost (ovpn-112-36.ams2.redhat.com [10.36.112.36])\n\tby smtp.corp.redhat.com (Postfix) with ESMTP id B0D5D60A98;\n\tThu, 31 Aug 2017 10:36:19 +0000 (UTC)" ], "DMARC-Filter": "OpenDMARC Filter v1.3.2 mx1.redhat.com 716A98047E", "From": "=?utf-8?q?Marc-Andr=C3=A9_Lureau?= <marcandre.lureau@redhat.com>", "To": "qemu-devel@nongnu.org", "Date": "Thu, 31 Aug 2017 12:34:26 +0200", "Message-Id": "<20170831103432.6007-24-marcandre.lureau@redhat.com>", "In-Reply-To": "<20170831103432.6007-1-marcandre.lureau@redhat.com>", "References": "<20170831103432.6007-1-marcandre.lureau@redhat.com>", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=UTF-8", "X-Scanned-By": "MIMEDefang 2.79 on 10.5.11.13", "X-Greylist": "Sender IP whitelisted, not delayed by milter-greylist-4.5.16\n\t(mx1.redhat.com [10.5.110.28]);\n\tThu, 31 Aug 2017 10:36:23 +0000 (UTC)", "Content-Transfer-Encoding": "quoted-printable", "X-detected-operating-system": "by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic]\n\t[fuzzy]", "X-Received-From": "209.132.183.28", "Subject": "[Qemu-devel] [PULL 23/29] i386/dump: use DIV_ROUND_UP", "X-BeenThere": "qemu-devel@nongnu.org", "X-Mailman-Version": "2.1.21", "Precedence": "list", "List-Id": "<qemu-devel.nongnu.org>", "List-Unsubscribe": "<https://lists.nongnu.org/mailman/options/qemu-devel>,\n\t<mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>", "List-Archive": "<http://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\t<mailto:qemu-devel-request@nongnu.org?subject=subscribe>", "Cc": "peter.maydell@linaro.org, Eduardo Habkost <ehabkost@redhat.com>,\n\tqemu-trivial@nongnu.org, =?utf-8?q?Marc-Andr=C3=A9_Lureau?=\n\t<marcandre.lureau@redhat.com>, Paolo Bonzini <pbonzini@redhat.com>,\n\tRichard Henderson <rth@twiddle.net>", "Errors-To": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org", "Sender": "\"Qemu-devel\"\n\t<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>" }, "content": "I used the clang-tidy qemu-round check to generate the fix:\nhttps://github.com/elmarco/clang-tools-extra\n\nSigned-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>\nAcked-by: Eduardo Habkost <ehabkost@redhat.com>\nReviewed-by: Richard Henderson <rth@twiddle.net>\n---\n target/i386/arch_dump.c | 24 ++++++++++++------------\n 1 file changed, 12 insertions(+), 12 deletions(-)", "diff": "diff --git a/target/i386/arch_dump.c b/target/i386/arch_dump.c\nindex 1d51bb5206..e081f677fa 100644\n--- a/target/i386/arch_dump.c\n+++ b/target/i386/arch_dump.c\n@@ -77,8 +77,8 @@ static int x86_64_write_elf64_note(WriteCoreDumpFunction f,\n regs.gs = env->segs[R_GS].selector;\n \n descsz = sizeof(x86_64_elf_prstatus);\n- note_size = ((sizeof(Elf64_Nhdr) + 3) / 4 + (name_size + 3) / 4 +\n- (descsz + 3) / 4) * 4;\n+ note_size = (DIV_ROUND_UP(sizeof(Elf64_Nhdr), 4) + DIV_ROUND_UP(name_size, 4) +\n+ DIV_ROUND_UP(descsz, 4)) * 4;\n note = g_malloc0(note_size);\n note->n_namesz = cpu_to_le32(name_size);\n note->n_descsz = cpu_to_le32(descsz);\n@@ -156,8 +156,8 @@ static int x86_write_elf64_note(WriteCoreDumpFunction f, CPUX86State *env,\n \n x86_fill_elf_prstatus(&prstatus, env, id);\n descsz = sizeof(x86_elf_prstatus);\n- note_size = ((sizeof(Elf64_Nhdr) + 3) / 4 + (name_size + 3) / 4 +\n- (descsz + 3) / 4) * 4;\n+ note_size = (DIV_ROUND_UP(sizeof(Elf64_Nhdr), 4) + DIV_ROUND_UP(name_size, 4) +\n+ DIV_ROUND_UP(descsz, 4)) * 4;\n note = g_malloc0(note_size);\n note->n_namesz = cpu_to_le32(name_size);\n note->n_descsz = cpu_to_le32(descsz);\n@@ -211,8 +211,8 @@ int x86_cpu_write_elf32_note(WriteCoreDumpFunction f, CPUState *cs,\n \n x86_fill_elf_prstatus(&prstatus, &cpu->env, cpuid);\n descsz = sizeof(x86_elf_prstatus);\n- note_size = ((sizeof(Elf32_Nhdr) + 3) / 4 + (name_size + 3) / 4 +\n- (descsz + 3) / 4) * 4;\n+ note_size = (DIV_ROUND_UP(sizeof(Elf32_Nhdr), 4) + DIV_ROUND_UP(name_size, 4) +\n+ DIV_ROUND_UP(descsz, 4)) * 4;\n note = g_malloc0(note_size);\n note->n_namesz = cpu_to_le32(name_size);\n note->n_descsz = cpu_to_le32(descsz);\n@@ -338,8 +338,8 @@ static inline int cpu_write_qemu_note(WriteCoreDumpFunction f,\n } else {\n note_head_size = sizeof(Elf64_Nhdr);\n }\n- note_size = ((note_head_size + 3) / 4 + (name_size + 3) / 4 +\n- (descsz + 3) / 4) * 4;\n+ note_size = (DIV_ROUND_UP(note_head_size, 4) + DIV_ROUND_UP(name_size, 4) +\n+ DIV_ROUND_UP(descsz, 4)) * 4;\n note = g_malloc0(note_size);\n if (type == 0) {\n note32 = note;\n@@ -443,10 +443,10 @@ ssize_t cpu_get_note_size(int class, int machine, int nr_cpus)\n #endif\n qemu_desc_size = sizeof(QEMUCPUState);\n \n- elf_note_size = ((note_head_size + 3) / 4 + (name_size + 3) / 4 +\n- (elf_desc_size + 3) / 4) * 4;\n- qemu_note_size = ((note_head_size + 3) / 4 + (name_size + 3) / 4 +\n- (qemu_desc_size + 3) / 4) * 4;\n+ elf_note_size = (DIV_ROUND_UP(note_head_size, 4) + DIV_ROUND_UP(name_size, 4) +\n+ DIV_ROUND_UP(elf_desc_size, 4)) * 4;\n+ qemu_note_size = (DIV_ROUND_UP(note_head_size, 4) + DIV_ROUND_UP(name_size, 4) +\n+ DIV_ROUND_UP(qemu_desc_size, 4)) * 4;\n \n return (elf_note_size + qemu_note_size) * nr_cpus;\n }\n", "prefixes": [ "PULL", "23/29" ] }