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dkim=none (message not signed) header.d=none;nongnu.org; dmarc=none action=none header.from=os.amperecomputing.com; From: Aaron Lindsay To: qemu-devel@nongnu.org, =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , =?UTF-8?q?Alex=20Benn=C3=A9e?= Cc: cota@braap.org, richard.henderson@linaro.org, Paolo Bonzini , Peter Xu , Aaron Lindsay Subject: [PATCH] plugins: Fix physical address calculation for IO regions Date: Tue, 20 Jul 2021 15:57:35 -0400 Message-Id: <20210720195735.3934473-1-aaron@os.amperecomputing.com> X-Mailer: git-send-email 2.32.0 Content-Transfer-Encoding: quoted-printable X-ClientProxiedBy: CY4PR07CA0001.namprd07.prod.outlook.com (2603:10b6:903:165::11) To SN6PR01MB4304.prod.exchangelabs.com (2603:10b6:805:a6::23) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: f3a7c512-4fd8-479b-e885-08d94bb8af17 X-MS-TrafficTypeDiagnostic: SN6PR01MB3934: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:478; 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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a01:111:f400:fe59::71d; envelope-from=aaron@os.amperecomputing.com; helo=NAM12-DM6-obe.outbound.protection.outlook.com X-Spam_score_int: -19 X-Spam_score: -2.0 X-Spam_bar: -- X-Spam_report: (-2.0 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, MSGID_FROM_MTA_HEADER=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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @os.amperecomputing.com) X-ZM-MESSAGEID: 1626811662938100001 Content-Type: text/plain; charset="utf-8" The address calculation for IO regions introduced by commit 787148bf928a54b5cc86f5b434f9399e9737679c Author: Aaron Lindsay plugins: Expose physical addresses instead of device offsets is not always accurate. Use the more correct MemoryRegionSection.offset_within_address_space. Reviewed-by: Philippe Mathieu-Daud=C3=A9 --- plugins/api.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/plugins/api.c b/plugins/api.c index 5c1a413928..ba14e6f2b2 100644 --- a/plugins/api.c +++ b/plugins/api.c @@ -319,7 +319,7 @@ uint64_t qemu_plugin_hwaddr_phys_addr(const struct qemu= _plugin_hwaddr *haddr) return block->offset + offset + block->mr->addr; } else { MemoryRegionSection *mrs =3D haddr->v.io.section; - return haddr->v.io.offset + mrs->mr->addr; + return mrs->offset_within_address_space + haddr->v.io.offset; } } #endif --=20 2.17.1