From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from m16.mail.163.com (m16.mail.163.com [117.135.210.3]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E80B4293B5F; Fri, 17 Jul 2026 01:30:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=117.135.210.3 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784251804; cv=none; b=b5H3syqt+5c9ny7QEp+mmhTtwkwhgM3kv93YAfniCdcmhMrEy7wP+cLoHVtHgjutyZO2TJgEfiTKXFqJAzXQPEtuyM/r/j0erw3ORLdi/5t96qnvWNXxjZ7LINeGO6FjOxALV4GJM2ZY7cVbC3rojo418h2BzA5okYVn3GeUPco= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784251804; c=relaxed/simple; bh=Cv72BXt2ykCobSfdsv3Sfb3iGb/JNGGKvOHIHvHuBzY=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=l+CfqRn5z7jbR2AgMJv7JRhKNOv+2cAWvaFw9Rdi8i6aHDjQhqE8PfsvJd96v1CRIe+0b1//djRZKWFGGCG/ZdINmU3nSUxw8HUBIH9+521/bA4DvJlZnIVhuojNyiUKkg39wKLsIwUFCfkUIADPyl5wdS2xxJfUPJkQFrsEto4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=163.com; spf=pass smtp.mailfrom=163.com; dkim=pass (1024-bit key) header.d=163.com header.i=@163.com header.b=eqA6aE98; arc=none smtp.client-ip=117.135.210.3 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=163.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=163.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=163.com header.i=@163.com header.b="eqA6aE98" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=163.com; s=s110527; h=From:To:Subject:Date:Message-ID:MIME-Version: Content-Type; bh=Cv72BXt2ykCobSfdsv3Sfb3iGb/JNGGKvOHIHvHuBzY=; b=eqA6aE98Z9wQyg9X6/+J+ypdbVMmFLvv5ru7hfHAiogeFK4jOXyIUMvV1qqCPm 39wJytbef0Ih3o+gBKZDn6cPn5ufh5RrDZVe0C89rDW2vbfi2VPvVZdFZBJG4/oL TGrPtZ0TIYL2aH/Y2jXQKhfHr3zqQWJcx5EMbQ3vRkPBg= Received: from xwm-TianYi510Pro-14IMB.. (unknown []) by gzsmtp2 (Coremail) with SMTP id PSgvCgDHovmIhVlqlvwKHA--.3822S2; Fri, 17 Jul 2026 09:29:44 +0800 (CST) From: Weimin Xiong To: Eugenio Perez Martin Cc: virtualization@lists.linux.dev, mst@redhat.com, jasowangio@gmail.com, netdev@vger.kernel.org, kvm@vger.kernel.org, xiongweimin Subject: Re: [PATCH] vhost: reject zero-size IOTLB INVALIDATE Date: Fri, 17 Jul 2026 09:29:45 +0800 Message-ID: <20260717012945.313018-1-xiongwm2026@163.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: References: Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8bit X-CM-TRANSID:PSgvCgDHovmIhVlqlvwKHA--.3822S2 X-Coremail-Antispam: 1Uf129KBjDUn29KB7ZKAUJUUUUU529EdanIXcx71UUUUU7v73 VFW2AGmfu7bjvjm3AaLaJ3UbIYCTnIWIevJa73UjIFyTuYvjxUxHGQDUUUU X-CM-SenderInfo: x0lr0wdzpsijqw6rljoofrz/xtbC7wh0BGpZhYhMKwAA3O From: xiongweimin Hi Eugenio, Thank you for your review and suggestion! I've updated the patch to v2, moving the check to vhost_chr_write_iter as you suggested. The existing check for VHOST_IOTLB_UPDATE is now extended to also cover VHOST_IOTLB_INVALIDATE. Thanks for your Acked-by! Best regards, Weimin Xiong