From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mta1.migadu.com (out-232.mta1.migadu.com [95.215.58.232]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 596D93BE162 for ; Wed, 14 Oct 2026 12:18:33 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=95.215.58.232 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791980316; cv=none; b=ERe2nA3/+sePVFATKDvEbKn4vdAXyE7XoXqrshtKvZse8V16JjU7movyR7yLb6EcrmSl84hYkFmzXdLaG6fNsNh7Ga5hDG5YNUfjYxfwVojpKNB1Dk+TEi9V2i4va6++fqT8ZgQUenGPOIEujKyJx/NrHn5s12iqeoe9NAlznrc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791980316; c=relaxed/simple; bh=epxOBuojfAEGBJOX5236uAg0yXfK5UUnnWkEkz0tIRM=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=JvZMnpRNk+n5BF3LQ3dCBrYTXMMMyY4sv/SEnKN3qtX46Bn7umAVo56jWvDl+NP7+4k5QxRLxymh+wIXCnU0snTe6cTqGYbWZS0Z07cMn12M88VfZkTi6SypL9wdLRQrOwkFuL3tk4yb6QH04nNsNkJMbYFvh3+HE768YL01LsQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b=vLAoH4+n; arc=none smtp.client-ip=95.215.58.232 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="vLAoH4+n" X-Envelope-To: linux-kernel@vger.kernel.org DKIM-Signature: a=rsa-sha256; bh=epxOBuojfAEGBJOX5236uAg0yXfK5UUnnWkEkz0tIRM=; c=simple/simple; d=linux.dev; h=from:to:subject:date:message-id:mime-version:content-type; s=key1; t=1791980311; v=1; x=1792585111; b=vLAoH4+nc84ay/n2UPu8MNMP/A7wX1/R6ddCSgohs3z+JBmHaJbGbtK/GHDVmh93DxZZ1pTu ysAtIUKIzoeOtHuO0d774zbM2RWbYEOh3gPBiX5+FSyqXxTOoT8XSKPiXk/2Q7vhImAjPT4e1RZ FXo1lbojVTzGU+bdzJ2edGog= X-Envelope-To: linux-kernel@vger.kernel.org Received: by mta12.migadu.com with ESMTPS id 2f5f8524ab26ce5d; Wed, 14 Oct 2026 12:18:31 +0000 X-Mizu-Trace-ID: 2f5f8524ab26ce5d X-Migadu-Flow: FLOW_OUT Message-ID: Date: Wed, 14 Oct 2026 13:18:31 +0100 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v4] scsi: libsas: Fix SMP IO deadlock during HA resume To: yangxingui , yanaijie@huawei.com, jejb@linux.ibm.com, mkp@kernel.org Cc: linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org, linuxarm@huawei.com, liuyonglong@huawei.com, kangfenglong@huawei.com References: <20260928040234.992912-1-yangxingui@huawei.com> <820657c2-1cbd-47d8-92f2-477531692135@linux.dev> Content-Language: en-US From: John Garry In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 10/8/26 04:11, yangxingui wrote: >>> Fixes: 3dbbbf656b850 ("scsi: libsas: Fix HA resume deadlock and >>> hisi_sas disk-wake race") >>> Signed-off-by: Xingui Yang >> >> Question: do you have a (non-hisi_sas) SAS HBA card whose driver uses >> libsas? pm8001 would be such an example. It would be nice to verify >> that all these and other non-rpm libsas changes does cause regression >> there. > > We don't have a pm8001 card at hand. From analysis the patch is a > no-op for the LLDDs without runtime PM support: pm8001 and isci It would be good if you could get another card whose driver uses libsas to verify these and any changes. Anyway, the patch looks ok, so: Reviewed-by: John Garry