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GET /api/patches/806826/?format=api
{ "id": 806826, "url": "http://patchwork.ozlabs.org/api/patches/806826/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/1503965694-10794-27-git-send-email-mdroth@linux.vnet.ibm.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": "<1503965694-10794-27-git-send-email-mdroth@linux.vnet.ibm.com>", "list_archive_url": null, "date": "2017-08-29T00:14:01", "name": "[26/79] target/xtensa: fix mapping direction in read/write simcalls", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "68d288a449131689fb31a7c5b57517be0bc1f015", "submitter": { "id": 5549, "url": "http://patchwork.ozlabs.org/api/people/5549/?format=api", "name": "Michael Roth", "email": "mdroth@linux.vnet.ibm.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/1503965694-10794-27-git-send-email-mdroth@linux.vnet.ibm.com/mbox/", "series": [ { "id": 281, "url": "http://patchwork.ozlabs.org/api/series/281/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=281", "date": "2017-08-29T00:13:45", "name": "Patch Round-up for stable 2.9.1, freeze on 2017-09-04", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/281/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/806826/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/806826/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>)", "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 3xh8fs0QV4z9s65\n\tfor <incoming@patchwork.ozlabs.org>;\n\tTue, 29 Aug 2017 10:30:13 +1000 (AEST)", "from localhost ([::1]:41957 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 1dmUPy-0005F0-RH\n\tfor incoming@patchwork.ozlabs.org; Mon, 28 Aug 2017 20:30:10 -0400", "from eggs.gnu.org ([2001:4830:134:3::10]:47694)\n\tby lists.gnu.org with esmtp (Exim 4.71)\n\t(envelope-from <mdroth@linux.vnet.ibm.com>) id 1dmUCH-00010u-5x\n\tfor qemu-devel@nongnu.org; Mon, 28 Aug 2017 20:16:02 -0400", "from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71)\n\t(envelope-from <mdroth@linux.vnet.ibm.com>) id 1dmUCD-0005Em-RT\n\tfor qemu-devel@nongnu.org; Mon, 28 Aug 2017 20:16:01 -0400", "from mx0b-001b2d01.pphosted.com ([148.163.158.5]:52700\n\thelo=mx0a-001b2d01.pphosted.com)\n\tby eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32)\n\t(Exim 4.71) (envelope-from <mdroth@linux.vnet.ibm.com>)\n\tid 1dmUCD-0005E4-JT\n\tfor qemu-devel@nongnu.org; Mon, 28 Aug 2017 20:15:57 -0400", "from pps.filterd (m0098421.ppops.net [127.0.0.1])\n\tby mx0a-001b2d01.pphosted.com (8.16.0.21/8.16.0.21) with SMTP id\n\tv7T0EBkT081939\n\tfor <qemu-devel@nongnu.org>; Mon, 28 Aug 2017 20:15:57 -0400", "from e36.co.us.ibm.com (e36.co.us.ibm.com [32.97.110.154])\n\tby mx0a-001b2d01.pphosted.com with ESMTP id 2cmurncras-1\n\t(version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT)\n\tfor <qemu-devel@nongnu.org>; Mon, 28 Aug 2017 20:15:56 -0400", "from localhost\n\tby e36.co.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use\n\tOnly! Violators will be prosecuted\n\tfor <qemu-devel@nongnu.org> from <mdroth@linux.vnet.ibm.com>;\n\tMon, 28 Aug 2017 18:15:56 -0600", "from b03cxnp08027.gho.boulder.ibm.com (9.17.130.19)\n\tby e36.co.us.ibm.com (192.168.1.136) with IBM ESMTP SMTP Gateway:\n\tAuthorized Use Only! Violators will be prosecuted; \n\tMon, 28 Aug 2017 18:15:55 -0600", "from b03ledav003.gho.boulder.ibm.com\n\t(b03ledav003.gho.boulder.ibm.com [9.17.130.234])\n\tby b03cxnp08027.gho.boulder.ibm.com (8.14.9/8.14.9/NCO v10.0) with\n\tESMTP id v7T0FsM163504516; Mon, 28 Aug 2017 17:15:54 -0700", "from b03ledav003.gho.boulder.ibm.com (unknown [127.0.0.1])\n\tby IMSVA (Postfix) with ESMTP id 8D66E6A047;\n\tMon, 28 Aug 2017 18:15:54 -0600 (MDT)", "from localhost (unknown [9.80.85.217])\n\tby b03ledav003.gho.boulder.ibm.com (Postfix) with ESMTP id 5A2916A03D;\n\tMon, 28 Aug 2017 18:15:54 -0600 (MDT)" ], "From": "Michael Roth <mdroth@linux.vnet.ibm.com>", "To": "qemu-devel@nongnu.org", "Date": "Mon, 28 Aug 2017 19:14:01 -0500", "X-Mailer": "git-send-email 2.7.4", "In-Reply-To": "<1503965694-10794-1-git-send-email-mdroth@linux.vnet.ibm.com>", "References": "<1503965694-10794-1-git-send-email-mdroth@linux.vnet.ibm.com>", "X-TM-AS-GCONF": "00", "x-cbid": "17082900-0020-0000-0000-00000CA0E9BE", "X-IBM-SpamModules-Scores": "", "X-IBM-SpamModules-Versions": "BY=3.00007630; HX=3.00000241; KW=3.00000007;\n\tPH=3.00000004; SC=3.00000226; SDB=6.00909028; UDB=6.00455849;\n\tIPR=6.00689279; \n\tBA=6.00005557; NDR=6.00000001; ZLA=6.00000005; ZF=6.00000009;\n\tZB=6.00000000; \n\tZP=6.00000000; ZH=6.00000000; ZU=6.00000002; MB=3.00016909;\n\tXFM=3.00000015; UTC=2017-08-29 00:15:56", "X-IBM-AV-DETECTION": "SAVI=unused REMOTE=unused XFE=unused", "x-cbparentid": "17082900-0021-0000-0000-00005DE89191", "Message-Id": "<1503965694-10794-27-git-send-email-mdroth@linux.vnet.ibm.com>", "X-Proofpoint-Virus-Version": "vendor=fsecure engine=2.50.10432:, ,\n\tdefinitions=2017-08-28_13:, , signatures=0", "X-Proofpoint-Spam-Details": "rule=outbound_notspam policy=outbound score=0\n\tspamscore=0 suspectscore=1\n\tmalwarescore=0 phishscore=0 adultscore=0 bulkscore=0 classifier=spam\n\tadjust=0 reason=mlx scancount=1 engine=8.0.1-1707230000\n\tdefinitions=main-1708290001", "X-detected-operating-system": "by eggs.gnu.org: GNU/Linux 3.x [generic] [fuzzy]", "X-Received-From": "148.163.158.5", "Subject": "[Qemu-devel] [PATCH 26/79] target/xtensa: fix mapping direction in\n\tread/write simcalls", "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": "Max Filippov <jcmvbkbc@gmail.com>, qemu-stable@nongnu.org", "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": "From: Max Filippov <jcmvbkbc@gmail.com>\n\nRead and write simcalls map physical memory to access I/O buffers, but\n'read' simcall need to map it for writing and 'write' simcall need to\nmap it for reading, i.e. the opposite of what they do now. Fix that.\n\nCc: qemu-stable@nongnu.org\nSigned-off-by: Max Filippov <jcmvbkbc@gmail.com>\n(cherry picked from commit 30c2afd151cbc38c012f7b441088980807183da6)\nSigned-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>\n---\n target/xtensa/xtensa-semi.c | 4 ++--\n 1 file changed, 2 insertions(+), 2 deletions(-)", "diff": "diff --git a/target/xtensa/xtensa-semi.c b/target/xtensa/xtensa-semi.c\nindex a888a9d..98ae28c 100644\n--- a/target/xtensa/xtensa-semi.c\n+++ b/target/xtensa/xtensa-semi.c\n@@ -173,7 +173,7 @@ void HELPER(simcall)(CPUXtensaState *env)\n TARGET_PAGE_SIZE - (vaddr & (TARGET_PAGE_SIZE - 1));\n uint32_t io_sz = page_left < len ? page_left : len;\n hwaddr sz = io_sz;\n- void *buf = cpu_physical_memory_map(paddr, &sz, is_write);\n+ void *buf = cpu_physical_memory_map(paddr, &sz, !is_write);\n \n if (buf) {\n vaddr += io_sz;\n@@ -182,7 +182,7 @@ void HELPER(simcall)(CPUXtensaState *env)\n write(fd, buf, io_sz) :\n read(fd, buf, io_sz);\n regs[3] = errno_h2g(errno);\n- cpu_physical_memory_unmap(buf, sz, is_write, sz);\n+ cpu_physical_memory_unmap(buf, sz, !is_write, sz);\n if (regs[2] == -1) {\n break;\n }\n", "prefixes": [ "26/79" ] }