From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1793267734; b=fy2g1YoL+tSLsVtA/oV7CS3rhLk3zUuJQImPPeDChwAJ+M8F0vqGNfE54Ew42JU4h01I rQwd+Hyw9WCoHi43kp195OeyY0s+GwZ9dh3XlHOgyHonzvMB/yTi3/4RRqcieA9oj5sJQ b9HKprMQvwMps7r67mUz0IhFHqv4pHKv8FUT9fb972X/SctSuM/+35wKmPrtyza8W6kxd 3ppzCeV9oaIaIayEaogXCFyXKiBve1jtdYQvjf66tvRw8qDpGNXomuE4Bca6NLA6fkfye RGm5jDJBFJ7G9e8CY17YwWnrxXrr+O0l/oaNWlQL+EcGVvDKgfMlvhAcI/W0sQ18uoA== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793267734; h=Received:DKIM-Signature:Date:From:To:Cc:Subject:Message-ID: References:MIME-Version:Content-Type:Content-Disposition:In-Reply-To; bh=AhutDWkOWkSxo4qLK8XDA1UI/079xgog2oc9UuMcw0k=; b=VmkYawXvTnJk+tz0X2FxNiDGopuhfL7txs385p7CAjAdGPmugD83J8asQdR8QVFSBvgI GJb+LR4jaKc1C7CYuItMUM/8EeldYJfib4JEAWlIMP8cQYJEBjWvC1bJuiF0xWSHR0xis Nob3ZgmkrmZuuTpXyiSPwoVakLY0dJGLTKlcRsq3kxcxtjsFEU6IP4ZUe39cRxscMvmDc JkbrDZlNvCxm9qBJ2Ek3UaiP2YxRdowUtAuJTiERNUoj9gtfszasf4f3mwoGdiXlxVEad wfA+OL7gZV2o3JyAahvGMvN3KbMH0n0oEwADXl6P9J0DpifV+qmMv2+HwtVP2bRGioQ== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=linuxfoundation.org header.i=@linuxfoundation.org header.a=rsa-sha256 header.s=korg header.b=CcUm9jo7; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 99F5F60A3802; Thu, 29 Oct 2026 09:55:33 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key, unprotected) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.a=rsa-sha256 header.s=korg header.b=CcUm9jo7 Received: by smtp.kernel.org (Postfix) with ESMTPSA id 99E521F031F5; Thu, 29 Oct 2026 09:55:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1793267733; bh=AhutDWkOWkSxo4qLK8XDA1UI/079xgog2oc9UuMcw0k=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=CcUm9jo7uNrWMbdj7omatprjnqc7pY7p5BW1zrNFoshqoPk2LRh9+PWFFwlBCiE2d QJmgGqsB61TdQTHWBfJt1m1jbDyShwjL0w2n5GoPCItkmJHtP1FEnlVejX99eqFdEr LFyl+YkwlJuABN2vJHQ581aQ1p95Jkcy2cb3DueQ= Date: Thu, 29 Oct 2026 10:55:31 +0100 From: Greg Kroah-Hartman To: Faisal Hassan Cc: Thinh Nguyen , Felipe Balbi , linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2] usb: dwc3: gadget: linearize SG requests that exceed the TRB cache Message-ID: <2026102912-iguana-purposely-496d@gregkh> References: <20261004031445.1450196-1-faisal.hassan@oss.qualcomm.com> <20261006172254.1058992-1-faisal.hassan@oss.qualcomm.com> <485f76be-cd91-413c-afda-2f7ec37f2d29@oss.qualcomm.com> X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <485f76be-cd91-413c-afda-2f7ec37f2d29@oss.qualcomm.com> On Thu, Oct 29, 2026 at 12:40:06AM +0530, Faisal Hassan wrote: > Hi all, > > A gentle ping on this v2 when you get a chance. > > It addresses the sashiko review comments on v1: a linearized request is > now unmapped before its bounce buffer is freed, and an allocation > failure or a short SG list is returned from usb_ep_queue() instead of > leaving the request stuck on pending_list. > > Please let me know if you have any comments, or if you'd like me to > change anything. You seem to have missed the review comments on this patch: https://lore.kernel.org/r/sashiko-outbox-162302@kernel.org