From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists1p.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 77144F364AD for ; Thu, 9 Apr 2026 17:54:10 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1wAtZu-0000iX-U4; Thu, 09 Apr 2026 13:54:06 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists1p.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1wAtZj-0000RT-2S for qemu-devel@nongnu.org; Thu, 09 Apr 2026 13:53:58 -0400 Received: from linux.microsoft.com ([13.77.154.182]) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1wAtZg-0006Zv-Ne for qemu-devel@nongnu.org; Thu, 09 Apr 2026 13:53:54 -0400 Received: from laptop.localdomain (unknown [86.121.140.85]) by linux.microsoft.com (Postfix) with ESMTPSA id E532020B710C; 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; s=default; t=1775757228; bh=w0Qqe82/wbT+bUcoIpJvTT1fltVMgrdDozzPGcEzmr0=; h=From:To:Cc:Subject:Date:From; b=guw+nmDHoCsEqZzVgxpMKb8mXK/3dijquS5dQyZGXlF42zK3EdI+73Wo9a4t0n/9D ekf02r089Wf6AWBacGIhfOljhMX6YPBuEujZewUSyPlanGfy86OIHwSkFw7+Su1qbc 87WNr5ySVQ/RA49DLhvewsIcvAy2D1Y7kpUT5NQo= From: =?UTF-8?q?Doru=20Bl=C3=A2nzeanu?= To: qemu-devel@nongnu.org Cc: Wei Liu , Magnus Kulke Subject: [PATCH 0/1] target/i386/mshv: fix read and write memory across the 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; 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, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, 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: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org This fixes the guest memory reading and writing spanning multiple pages for mshv Port I/O. Currently, the read_memory and write_memory functions only translate GVA-to-GPA once per buffer. In case the buffer is bigger than a page, the translation is only valid for the first page. Doru Blânzeanu (1): target/i386/mshv: fix read/write memory across the page boundary target/i386/mshv/mshv-cpu.c | 71 +++++++++++++++++++++++++++---------- 1 file changed, 52 insertions(+), 19 deletions(-) -- 2.53.0