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[128.178.122.21]) by smtp.gmail.com with ESMTPSA id wr6-20020a170907700600b00a4623030893sm6925696ejb.126.2024.03.20.02.13.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 20 Mar 2024 02:13:49 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1710926030; x=1711530830; darn=nongnu.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=4X7UGJU0c/S1jV5qTDHfvL2iI1yqhVnKXQplMriEpBo=; b=lQhuLvJecIgImJiU0ZSeBHoZ5mKmyO32AivFrYbLU+PYY0i3hjm6C/bn1JWEOtADN5 AoYBCCtEaVrg3ZXG1Pf8ibbJC4w2UzJYylhG/6t+AI3JdkqY2CJPPijVQ1cU1uL3l2YM kfmEvdX0B4HU4zusqPHzHS4mJcBvvfPvO7s+vJVcsue7YgM4mS/2oUIL93ZQGE4146Sx MWdngsQX7VJht/QN9vKTTWka9n42t6UUV/JVAPu+jVCTs06uKN292YWd4Z2RetSbCAUJ qMVtKGuGTe4nkKDMtj55z88j6ZutIQIlL5BpQy/TTFWLJftnxD7tt0eu2D7ay3BRBeFS qXaQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1710926030; x=1711530830; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=4X7UGJU0c/S1jV5qTDHfvL2iI1yqhVnKXQplMriEpBo=; b=JtGm3fYA9A8eduAlFhv1eO2L2JPs25I7LLZYYFOkqw88RXYWFbn/PgS/tkbHI0zZgk 10Sl+aBOX03JsM64YV2hI6aV98IjBCaH+HYHTXf9fAKqShB/PEPJYq7nk+enhCYp6q1c PIuPOvbN1xqUBn13JOSvlyUQaKy5vhEKS7TknPBg4TXXSIP4ETSaljANPk40jxyldNeA kYZdEL+0wiaQ31DB8GpbwbLkJkxzL+qDawq1n48TFEjMaNpyPLFVrv7C7mZzn0Z1KsaC a5LYwaSe8/9haHJA/v65WMoS/psb/VnRim0tfBAUvZBRVEvfZ+e2Rk4zMDc81m8OsQ1s CooQ== X-Gm-Message-State: AOJu0YwDf+fFULz3DoRdsH7nRnW8uisOoO6QjEIPbwt5iArFV4r4pbv/ uaImESieYjC1ydMBE7ktbXJgVxc7IFzIXM2kOVHn+aihcPm7tpo= X-Google-Smtp-Source: AGHT+IHefPvEoF7zz1UOayOUKX14wD2WzOzwLKaAInRYDTpG0BQbT3E/QVUp+5BRAu8g2Pcv20h57w== X-Received: by 2002:a17:906:2b50:b0:a46:f6ac:22e5 with SMTP id b16-20020a1709062b5000b00a46f6ac22e5mr609064ejg.7.1710926029699; Wed, 20 Mar 2024 02:13:49 -0700 (PDT) From: Zheyu Ma To: thuth@redhat.com, lvivier@redhat.com, pbonzini@redhat.com Cc: qemu-devel@nongnu.org, zheyuma97@gmail.com Subject: [PATCH] libqos/virtio.c: Correct 'flags' reading in qvirtqueue_kick Date: Wed, 20 Mar 2024 10:04:42 +0100 Message-Id: <20240320090442.267525-1-zheyuma97@gmail.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::634; envelope-from=zheyuma97@gmail.com; helo=mail-ej1-x634.google.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-Mailman-Approved-At: Wed, 20 Mar 2024 09:09:53 -0400 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 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-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1710940243655100003 Content-Type: text/plain; charset="utf-8" In qvirtqueue_kick(), the 'flags' were previously being incorrectly read fr= om vq->avail instead of the correct vq->used location. This update ensures 'fl= ags' are read from the correct location as per the virtio standard. Signed-off-by: Zheyu Ma Reviewed-by: Philippe Mathieu-Daud=C3=A9 Reviewed-by: Stefan Hajnoczi --- tests/qtest/libqos/virtio.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tests/qtest/libqos/virtio.c b/tests/qtest/libqos/virtio.c index 82a6e122bf..a21b6eee9c 100644 --- a/tests/qtest/libqos/virtio.c +++ b/tests/qtest/libqos/virtio.c @@ -394,7 +394,7 @@ void qvirtqueue_kick(QTestState *qts, QVirtioDevice *d,= QVirtQueue *vq, qvirtio_writew(d, qts, vq->avail + 2, idx + 1); =20 /* Must read after idx is updated */ - flags =3D qvirtio_readw(d, qts, vq->avail); + flags =3D qvirtio_readw(d, qts, vq->used); avail_event =3D qvirtio_readw(d, qts, vq->used + 4 + sizeof(struct vring_used_elem) * vq->size); =20 --=20 2.34.1