{"id":2221550,"url":"http://patchwork.ozlabs.org/api/1.2/covers/2221550/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/cover/20260409175334.181249-1-dblanzeanu@linux.microsoft.com/","project":{"id":14,"url":"http://patchwork.ozlabs.org/api/1.2/projects/14/?format=json","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":"<20260409175334.181249-1-dblanzeanu@linux.microsoft.com>","list_archive_url":null,"date":"2026-04-09T17:53:33","name":"[0/1] target/i386/mshv: fix read and write memory across the page boundary","submitter":{"id":93106,"url":"http://patchwork.ozlabs.org/api/1.2/people/93106/?format=json","name":"Doru Blânzeanu","email":"dblanzeanu@linux.microsoft.com"},"mbox":"http://patchwork.ozlabs.org/project/qemu-devel/cover/20260409175334.181249-1-dblanzeanu@linux.microsoft.com/mbox/","series":[{"id":499339,"url":"http://patchwork.ozlabs.org/api/1.2/series/499339/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/list/?series=499339","date":"2026-04-09T17:53:34","name":"target/i386/mshv: fix read and write memory across the page boundary","version":1,"mbox":"http://patchwork.ozlabs.org/series/499339/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/covers/2221550/comments/","headers":{"Return-Path":"","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=linux.microsoft.com header.i=@linux.microsoft.com\n header.a=rsa-sha256 header.s=default header.b=guw+nmDH;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; helo=lists.gnu.org;\n envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org;\n receiver=patchwork.ozlabs.org)"],"Received":["from lists.gnu.org (lists1p.gnu.org [209.51.188.17])\n\t(using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits))\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4fs6xv5hW7z1yJK\n\tfor ; Fri, 10 Apr 2026 03:54:11 +1000 (AEST)","from localhost ([::1] helo=lists1p.gnu.org)\n\tby lists.gnu.org with esmtp (Exim 4.90_1)\n\t(envelope-from )\n\tid 1wAtZu-0000iX-U4; Thu, 09 Apr 2026 13:54:06 -0400","from eggs.gnu.org ([2001:470:142:3::10])\n by lists1p.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256)\n (Exim 4.90_1) (envelope-from )\n id 1wAtZj-0000RT-2S\n for qemu-devel@nongnu.org; Thu, 09 Apr 2026 13:53:58 -0400","from linux.microsoft.com ([13.77.154.182])\n by eggs.gnu.org with esmtp (Exim 4.90_1)\n (envelope-from ) id 1wAtZg-0006Zv-Ne\n for qemu-devel@nongnu.org; Thu, 09 Apr 2026 13:53:54 -0400","from laptop.localdomain (unknown [86.121.140.85])\n by linux.microsoft.com (Postfix) with ESMTPSA id E532020B710C;\n Thu, 9 Apr 2026 10:53:47 -0700 (PDT)"],"DKIM-Filter":"OpenDKIM Filter v2.11.0 linux.microsoft.com E532020B710C","DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.microsoft.com;\n s=default; t=1775757228;\n bh=w0Qqe82/wbT+bUcoIpJvTT1fltVMgrdDozzPGcEzmr0=;\n h=From:To:Cc:Subject:Date:From;\n b=guw+nmDHoCsEqZzVgxpMKb8mXK/3dijquS5dQyZGXlF42zK3EdI+73Wo9a4t0n/9D\n ekf02r089Wf6AWBacGIhfOljhMX6YPBuEujZewUSyPlanGfy86OIHwSkFw7+Su1qbc\n 87WNr5ySVQ/RA49DLhvewsIcvAy2D1Y7kpUT5NQo=","From":"=?utf-8?q?Doru_Bl=C3=A2nzeanu?= ","To":"qemu-devel@nongnu.org","Cc":"Wei Liu ,\n Magnus Kulke ","Subject":"[PATCH 0/1] target/i386/mshv: fix read and write memory across the\n page boundary","Date":"Thu, 9 Apr 2026 20:53:33 +0300","Message-ID":"<20260409175334.181249-1-dblanzeanu@linux.microsoft.com>","X-Mailer":"git-send-email 2.53.0","MIME-Version":"1.0","Content-Type":"text/plain; charset=\"utf-8\"","Content-Transfer-Encoding":"8bit","Received-SPF":"pass client-ip=13.77.154.182;\n envelope-from=dblanzeanu@linux.microsoft.com; helo=linux.microsoft.com","X-Spam_score_int":"-42","X-Spam_score":"-4.3","X-Spam_bar":"----","X-Spam_report":"(-4.3 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1,\n DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RCVD_IN_DNSWL_MED=-2.3,\n RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_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 ","List-Unsubscribe":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","Errors-To":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org","Sender":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org"},"content":"This fixes the guest memory reading and writing spanning multiple pages for mshv Port I/O.\n\nCurrently, the read_memory and write_memory functions only translate GVA-to-GPA once per buffer.\nIn case the buffer is bigger than a page, the translation is only valid for the first page.\n\nDoru Blânzeanu (1):\n target/i386/mshv: fix read/write memory across the page boundary\n\n target/i386/mshv/mshv-cpu.c | 71 +++++++++++++++++++++++++++----------\n 1 file changed, 52 insertions(+), 19 deletions(-)"}