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GET /api/patches/33988/?format=api
{ "id": 33988, "url": "http://patchwork.ozlabs.org/api/patches/33988/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/761ea48b0909210527i6ed97be5s4208d7a0227d9de5@mail.gmail.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": "<761ea48b0909210527i6ed97be5s4208d7a0227d9de5@mail.gmail.com>", "list_archive_url": null, "date": "2009-09-21T12:27:59", "name": "ARM host: fix generated blocks linking", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": false, "hash": "293f4f73690db953622e71c3ad53976fb4716fd2", "submitter": { "id": 2770, "url": "http://patchwork.ozlabs.org/api/people/2770/?format=api", "name": "Laurent Desnogues", "email": "laurent.desnogues@gmail.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/761ea48b0909210527i6ed97be5s4208d7a0227d9de5@mail.gmail.com/mbox/", "series": [], "comments": "http://patchwork.ozlabs.org/api/patches/33988/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/33988/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", "Received": [ "from lists.gnu.org (lists.gnu.org [199.232.76.165])\n\t(using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits))\n\t(Client did not present a certificate)\n\tby ozlabs.org (Postfix) with ESMTPS id 1ECACB7B6B\n\tfor <incoming@patchwork.ozlabs.org>;\n\tMon, 21 Sep 2009 22:28:48 +1000 (EST)", "from localhost ([127.0.0.1]:46773 helo=lists.gnu.org)\n\tby lists.gnu.org with esmtp (Exim 4.43) id 1Mpi0Y-0002NP-LH\n\tfor incoming@patchwork.ozlabs.org; Mon, 21 Sep 2009 08:28:42 -0400", "from mailman by lists.gnu.org with tmda-scanned (Exim 4.43)\n\tid 1Mphzt-0002Mv-Jc\n\tfor qemu-devel@nongnu.org; Mon, 21 Sep 2009 08:28:01 -0400", "from exim by lists.gnu.org with spam-scanned (Exim 4.43)\n\tid 1Mphzt-0002Mg-15\n\tfor qemu-devel@nongnu.org; Mon, 21 Sep 2009 08:28:01 -0400", "from [199.232.76.173] (port=49259 helo=monty-python.gnu.org)\n\tby lists.gnu.org with esmtp (Exim 4.43) id 1Mphzs-0002Md-Te\n\tfor qemu-devel@nongnu.org; Mon, 21 Sep 2009 08:28:00 -0400", "from fg-out-1718.google.com ([72.14.220.156]:20475)\n\tby monty-python.gnu.org with esmtp (Exim 4.60)\n\t(envelope-from <laurent.desnogues@gmail.com>) id 1Mphzs-00082X-Ih\n\tfor qemu-devel@nongnu.org; Mon, 21 Sep 2009 08:28:00 -0400", "by fg-out-1718.google.com with SMTP id e21so723222fga.10\n\tfor <qemu-devel@nongnu.org>; Mon, 21 Sep 2009 05:27:59 -0700 (PDT)", "by 10.86.184.35 with SMTP id h35mr4586426fgf.18.1253536079298;\n\tMon, 21 Sep 2009 05:27:59 -0700 (PDT)" ], "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; \n\th=domainkey-signature:mime-version:received:date:message-id:subject\n\t:from:to:content-type;\n\tbh=cko/QS9syDpcE6TArjKVlq2D4vPQpT7GAmPcAXxe2qU=;\n\tb=JbmKrmGQkA93JbOqfcv6Eyj2q0YN4i7aMSGRCW7iWtI2BCyhy8+SWkikmXsGbM2B80\n\tA68Xw7YIAtcMG96iSnECtCon230kwwDs0q5AbY/JmGKq1Ia0Vi1C2nzPqBnGgv3YUiDh\n\tlsGMXO4ERCPc7q8SgDRnzXUfhoAK1qzsvgHlo=", "DomainKey-Signature": "a=rsa-sha1; c=nofws; d=gmail.com; s=gamma;\n\th=mime-version:date:message-id:subject:from:to:content-type;\n\tb=RXN+whJywnm9E+53tfkby9a7jZe29A7rfuHjidlsXuVMtlMKlimZYXjJl5f68ZYU56\n\ti26YBLKU2XJeopEV0iXrZRF5vjIabWpV2D+phAKGOoIU+jN5ZnqD1rkM8qjXpA2ls+zV\n\ts3jyxOHUKHF62uLuYMa5l0Pv+wgcpeXIMxs+M=", "MIME-Version": "1.0", "Date": "Mon, 21 Sep 2009 14:27:59 +0200", "Message-ID": "<761ea48b0909210527i6ed97be5s4208d7a0227d9de5@mail.gmail.com>", "From": "Laurent Desnogues <laurent.desnogues@gmail.com>", "To": "qemu-devel@nongnu.org", "Content-Type": "multipart/mixed; boundary=00c09ffb585cb840220474159cd9", "X-detected-operating-system": "by monty-python.gnu.org: GNU/Linux 2.6 (newer,\n\t2)", "Subject": "[Qemu-devel] [PATCH] ARM host: fix generated blocks linking", "X-BeenThere": "qemu-devel@nongnu.org", "X-Mailman-Version": "2.1.5", "Precedence": "list", "List-Id": "qemu-devel.nongnu.org", "List-Unsubscribe": "<http://lists.nongnu.org/mailman/listinfo/qemu-devel>,\n\t<mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>", "List-Archive": "<http://lists.gnu.org/pipermail/qemu-devel>", "List-Post": "<mailto:qemu-devel@nongnu.org>", "List-Help": "<mailto:qemu-devel-request@nongnu.org?subject=help>", "List-Subscribe": "<http://lists.nongnu.org/mailman/listinfo/qemu-devel>,\n\t<mailto:qemu-devel-request@nongnu.org?subject=subscribe>", "Sender": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org", "Errors-To": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org" }, "content": "Hello,\n\nthis patch fixes the linking of generated blocks on an ARM host.\nNo need to say this brings a very nice speedup :-)\n\n\nLaurent\n\nSigned-off-by: Laurent Desnogues <laurent.desnogues@gmail.com>", "diff": "diff --git a/exec-all.h b/exec-all.h\nindex 51519ff..daafc78 100644\n--- a/exec-all.h\n+++ b/exec-all.h\n@@ -208,7 +208,9 @@ static inline void tb_set_jmp_target1(unsigned long jmp_addr, unsigned long addr\n #endif\n \n /* we could use a ldr pc, [pc, #-4] kind of branch and avoid the flush */\n- *(uint32_t *)jmp_addr |= ((addr - (jmp_addr + 8)) >> 2) & 0xffffff;\n+ *(uint32_t *)jmp_addr =\n+ (*(uint32_t *)jmp_addr & ~0xffffff)\n+ | (((addr - (jmp_addr + 8)) >> 2) & 0xffffff);\n \n #if QEMU_GNUC_PREREQ(4, 1)\n __clear_cache((char *) jmp_addr, (char *) jmp_addr + 4);", "prefixes": [] }