From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) (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 C955B1E51EC for ; Wed, 16 Apr 2025 01:09:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.133.124 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744765763; cv=none; b=JKJFM16LRo5iW/4RgLDx11Kl8xChVtJ41RYeFlDxzqQnMLtHLJy3G1Wqd1BFWZhJbBwVc4H/KCCI8bw7Zuiik4rJFviCHKuL9yqksZfYAd8kED7Cn3/3+J6laWl+pXbYbaiPcMvj9TeEl/DCY9S6QCMcnghO4j072TRhvXbPL78= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744765763; c=relaxed/simple; bh=qmqcyk6xnedgg91YlJ2HdeOFRq0RZKZOgU/0cgyE3Pg=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=KBcAVEbey2d6Fwj1z943gUIOKq49XVINLv6qTUk5GHdwrEjmPDsKFWHRW3cpXmFoRriX4Z+zA22utt9le1Ehu84B1Fd5N/o8xDnU4ia7atWpVojfGUZfJF790mWKzqNwW2E47bR350sUTN77i6Mm5QTJoeN5/ROYaiTTcNog3DE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=JN0R0lok; arc=none smtp.client-ip=170.10.133.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="JN0R0lok" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1744765757; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=QMaHqC5V5R1lqiKZoGLX6CMNwZjUuzJ0WQAUPiqQipE=; b=JN0R0lokzOPzzVveeythcvqVEUpm5ZyPbjIE7cMJZIsDuFSzcxy5SHJU7JEj10SkiA8HcV WUp5K8POVlOh5hPshFC/D+MX8UZpXz0mjSWm0uY9srWdhTpiHoap0WFzLTynlb1N+inVHI BcVr+19AxZlFCqYhthqWndniBB7KQYY= Received: from mx-prod-mc-01.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-186-7VANHsVkP6-1NjQ4bFXa6g-1; Tue, 15 Apr 2025 21:09:13 -0400 X-MC-Unique: 7VANHsVkP6-1NjQ4bFXa6g-1 X-Mimecast-MFC-AGG-ID: 7VANHsVkP6-1NjQ4bFXa6g_1744765752 Received: from mx-prod-int-02.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-02.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.15]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-01.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id BB4D619560B8; Wed, 16 Apr 2025 01:09:11 +0000 (UTC) Received: from fedora (unknown [10.72.116.72]) by mx-prod-int-02.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id E63761955BC0; Wed, 16 Apr 2025 01:09:07 +0000 (UTC) Date: Wed, 16 Apr 2025 09:09:02 +0800 From: Ming Lei To: Caleb Sander Mateos Cc: Jens Axboe , Uday Shankar , linux-block@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] ublk: don't suggest CONFIG_BLK_DEV_UBLK=Y Message-ID: References: <20250416004111.3242817-1-csander@purestorage.com> Precedence: bulk X-Mailing-List: linux-block@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: <20250416004111.3242817-1-csander@purestorage.com> X-Scanned-By: MIMEDefang 3.0 on 10.30.177.15 On Tue, Apr 15, 2025 at 06:41:10PM -0600, Caleb Sander Mateos wrote: > The CONFIG_BLK_DEV_UBLK help text suggests setting the config option to > Y so task_work_add() can be used to dispatch I/O, improving performance. > However, this mechanism was removed in commit 29dc5d06613f2 ("ublk: kill > queuing request by task_work_add"). So remove this paragraph from the > config help text. > > Signed-off-by: Caleb Sander Mateos Reviewed-by: Ming Lei Thanks, Ming