From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 73B203E1CE7 for ; Wed, 27 May 2026 08:45:22 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779871524; cv=none; b=Rq8cqqU+B/QZFR+K40aBFrp0jA9qPwy3ICH/M2F4vFrGT1MNjwEAZ1Axzq41QKY3zcDolOsUpzB9t86zs+MX7Oqn1twsOUfG+SfvTm284CNAcWoU4h+LSN5s9VcgM8ad//ea1KzDFEu7H6JrO52Egs8dnvuAN2uD0mq2oSAQ9LQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779871524; c=relaxed/simple; bh=z6K1YZ6T/6Xq8hv5WBt5bTXb1ggkPKaBpKjf14K3cUk=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=nVCjSOvjl+t4I/vVjO9EBtQdV3hMxvHZmvy8N8lL0Oy/8qBgv+SSLf1Q1Q+dBev0scXWIt3HdSaFYdR5GwtiOXIqhR28JSvmffnKW6wJhT3OROgOcBR9x5Tbfb5ZUu6IQtDelVR199LZF9B3A3u9TirkuWqrQEbzb5MnyV7Iblg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=tK4ZqWXc; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="tK4ZqWXc" Received: by smtp.kernel.org (Postfix) with ESMTPSA id C264F1F00A3C; Wed, 27 May 2026 08:45:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1779871522; bh=RepYRyeWuI4IsHsiIEWEXi8qrp0EHXsnbiZfnWMxmmQ=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=tK4ZqWXc3+cCcmf1T1Zvy/VOU5iTbRB+fVsNV9qgekjfbt7NcSGPu/HLGUJyiVwGU BvpzSypasoDBiJTTAppRSs+ciAOUQ1bjKiqqtlW4gzeQSa+1sy/o+B8TT2i7ZqAtZb GaQ7bweOrxLG+lflq2IBGBzGWvfH+M0Ae7DF7nE4= Date: Wed, 27 May 2026 10:32:18 +0200 From: Greg Kroah-Hartman To: Niklas Cassel Cc: Sasha Levin , Tommy Kelly , Damien Le Moal , "Martin K. Petersen" , John Garry , linux-ide@vger.kernel.org, David Dreschner Subject: Re: [PATCH v5 0/4] ata: fix deferred QC handling for port multipliers Message-ID: <2026052710-vivacious-strep-d3e5@gregkh> References: <20260514073858.1175072-6-cassel@kernel.org> <0685a2fa-1c79-4c38-a6c1-39427d65c267@dreschner.net> Precedence: bulk X-Mailing-List: linux-ide@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: On Wed, May 27, 2026 at 10:26:02AM +0200, Niklas Cassel wrote: > On Tue, May 26, 2026 at 08:47:53PM +0200, David Dreschner wrote: > > Hello Niklas, > > > > thank you very much for fixing the issue! > > > > I tested the first three patches manually on my Debian 13 machine with > > kernel 6.12.90 and can indeed confirm that your patches fixes the issue. The > > fourth patch had some merge-conflicts and were therefore skipped - I'm > > unable to test the changes anyway (my HBA only supports CBS). > > > > Machine: HP MicroServer Gen8 > > HBA: HP Dynamic Smart Array B120i > > Port multiplier: StarTech S322M225R (SATA to 2x M.2 SATA using ASM1092R > > chipset in JBOD mode) > > > > Could you please make sure that the fixes are being backported to all > > versions that contain the faulty commit 0ea84089dbf6? Looks like that is > > necessary for v7.0, v6.18, v6.12 and v6.6. > > > > If not, it would be great to get the fixes at least merged into v6.12, as > > I'm otherwise forced to manually build any new stable kernel that's being > > pushed by the Debian team. > > > > Thanks again and greetings from Germany! > > David > > Dear stable maintainers, > > Sorry for the extra work put on you. > > Could your please help us backport: > > $ git log --reverse --oneline v7.1-rc4..v7.1-rc5 drivers/ata/ > 360190bd965f ata: libata-scsi: improve readability of ata_scsi_qc_issue() > ce4548807d2e ata: libata-scsi: do not use the deferred QC feature for ATA_DEFER_PORT > f233124fb36c ata: libata-scsi: do not use the deferred QC feature on PMPs with CBS > 759e8756da00 ata: libata-scsi: do not needlessly defer commands when using PMP with FBS > > > The first three patches apply cleanly to at least v6.12. > > The final commit does not apply cleanly, attaching a backported version. > > Again, sorry for the trouble. > Hopefully our AI overlords / Sashiko will manage to find some of these > problems that was missed during the review of the faulty commit. Now queued up, thanks. greg k-h