From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mta0.migadu.com (out-210.mta0.migadu.com [91.218.175.210]) (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 E133841C2F2 for ; Wed, 14 Oct 2026 12:18:33 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=91.218.175.210 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791980317; cv=none; b=NKPHyzmBP0MdKSC4ty7yUBk8wR7wqdb6waIy3UgqQ9rZ3V30keE/GI4fY7ZRs7myDoL7NqOGPx36JfLDIw6R1GC+safdMA5IDP4QVooN0gQU0ixewF0nCwpQXfX2cLOMXlCf/xm0ZfAaxTovjfIc/O/3kLleqT+Nkwl0JbFtNFg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791980317; c=relaxed/simple; bh=epxOBuojfAEGBJOX5236uAg0yXfK5UUnnWkEkz0tIRM=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=IW7/2BzCkQYhnFRbTkrrBUOHObPhnuiocUIYJrVXObZjbAqlsVMt+EiqI3/KFNRflkHXR125ZnsJdibvD4pLl5JYxnmpnHOKFtZc4Ex3qAn16bynRwK0hZISH8v/czld9E9b9mXWiszaDG2+02u2uWfp9NtTKK7I3udU+X/DGAo= 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=91.218.175.210 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-scsi@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-scsi@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-scsi@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