From nobody Fri Oct 2 07:00:22 2026 Received: from mailgw.kylinos.cn (mailgw.kylinos.cn [124.126.103.232]) (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 F21C93B0AC6 for ; Tue, 4 Aug 2026 09:26:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=124.126.103.232 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785835580; cv=none; b=cj5Rfus26hV+iJwK1XZaY19SGFTEKX5MbPNLGl13YrP5yIG2DTMNIHWz8bN1rlaxs1vZMevq7MsH/K4tW/uK5U0Ov2bdEwtiBodJW8zNHaVythfZEz8GP5Jl+jXNih2U9q0RGMtMPnPNpMUxaqHIPeV3j3lVSP8xsJIPm+zdYVg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785835580; c=relaxed/simple; bh=2AXI3M0uRLGnkFpRXMTUxSKUXVP451lYuUeB4xdzIa8=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=V3z4MnRYgqVptV4BPF7Sp0BCSek/lpMqghluDsmqFQDHsXxpwGSZWGm1o9gLeVDiXLgW5KgsBc7pWl+8ykOdqZBAnDj3f9sq4Kp2PhPi5IGdBLQp8wwzFaGzVxPHSm10dS3RgDc7UKSwUGiW0+N4nhhoLQWGGA3UqjPaBnvBxXw= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=kylinos.cn; spf=pass smtp.mailfrom=kylinos.cn; arc=none smtp.client-ip=124.126.103.232 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=kylinos.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=kylinos.cn X-UUID: 87bb2bbe8fe611f1aa26b74ffac11d73-20260804 X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.3.12,REQID:c1554f79-f4a7-4716-8479-46933fe46e2e,IP:0,U RL:0,TC:0,Content:0,EDM:-20,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTIO N:release,TS:-20 X-CID-META: VersionHash:e7bac3a,CLOUDID:15b1c9aa0205a02cffe457036dbff5fa,BulkI D:nil,BulkQuantity:0,Recheck:0,SF:102|865|898,TC:nil,Content:0|15|50,EDM:1 ,IP:nil,URL:0,File:nil,RT:nil,Bulk:nil,QS:nil,BEC:nil,COL:0,OSI:0,OSA:0,AV :0,LES:1,SPR:NO,DKR:0,DKP:0,BRR:0,BRE:0,ARC:0 X-CID-BVR: 2,SSN|SDN X-CID-BAS: 2,SSN|SDN,0,_ X-CID-FACTOR: TF_CID_SPAM_SNR X-CID-RHF: D41D8CD98F00B204E9800998ECF8427E X-UUID: 87bb2bbe8fe611f1aa26b74ffac11d73-20260804 X-User: xiongweimin@kylinos.cn Received: from xwm-tianyi510pro-14imb.. [(10.44.16.150)] by mailgw.kylinos.cn (envelope-from ) (Generic MTA with TLSv1.3 TLS_AES_256_GCM_SHA384 256/256) with ESMTP id 299532701; Tue, 04 Aug 2026 17:26:10 +0800 From: Xiong Weimin To: "Michael S . Tsirkin" , Jason Wang Cc: Xuan Zhuo , =?UTF-8?q?Eugenio=20P=C3=A9rez?= , virtualization@lists.linux.dev, linux-kernel@vger.kernel.org, Xiong Weimin Subject: [PATCH] vdpa: alibaba: Keep DRIVER_OK clear if IRQ setup fails Date: Tue, 4 Aug 2026 17:26:07 +0800 Message-ID: <20260804092608.1344269-1-xiongweimin@kylinos.cn> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" If requesting MSI-X interrupts fails while DRIVER_OK is being set, leave the device status unchanged instead of advertising a ready device without working interrupts. Signed-off-by: Xiong Weimin --- drivers/vdpa/alibaba/eni_vdpa.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/vdpa/alibaba/eni_vdpa.c b/drivers/vdpa/alibaba/eni_vdp= a.c index e476504db..d67bdf5ab 100644 --- a/drivers/vdpa/alibaba/eni_vdpa.c +++ b/drivers/vdpa/alibaba/eni_vdpa.c @@ -216,7 +216,10 @@ static void eni_vdpa_set_status(struct vdpa_device *vd= pa, u8 status) =20 if (status & VIRTIO_CONFIG_S_DRIVER_OK && !(s & VIRTIO_CONFIG_S_DRIVER_OK)) { - eni_vdpa_request_irq(eni_vdpa); + if (eni_vdpa_request_irq(eni_vdpa)) { + WARN_ON(1); + return; + } } =20 vp_legacy_set_status(ldev, status); --=20 2.43.0