From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) (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 36CCA195FE0 for ; Wed, 10 Jul 2024 19:20:17 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.129.124 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720639219; cv=none; b=n1aSLOipPDBp061cuO5nAKMyGtAF2HuMEoF/66jV7gDFiMCBuVuE3BwsUv911CKUsldsfsjTQqckmkJHijo8TSlIqoQiIaiP0+1yIUwwd9iewaksq8XJDNsmrIjYMbC+QVIdVUi4h2lufwt6I3gMBmyZuquxp0IDauJ8nplFb2g= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720639219; c=relaxed/simple; bh=0fsclPJO+0S/lvzn0RI6aYyeLzEsX1Mg7kOsvhED/bc=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=slVbYG16Fb5nUjl917JwcbR/IQPk2sqiKmlR8EgR4tL3/hJFAE0QAwJdml6HRDRBYQEb1KdkLMZW2Gcl74VMB7SEZ7DO8EbFwd3pXe4Mqj+mMIfawEO0X4zbjQcf0iPG7LG5/J6mNJCDgk6r+MKk2sp51gD1XamqETc9PxfjKPU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none 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=N+1kcPgd; arc=none smtp.client-ip=170.10.129.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none 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="N+1kcPgd" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1720639217; 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=0fsclPJO+0S/lvzn0RI6aYyeLzEsX1Mg7kOsvhED/bc=; b=N+1kcPgdpBWiG4TxvskWrmKp+TOhLeF8xAAV/YzBxSQg0YN37GWMCd/3CCr5GYzV6mpomD 79pLihsOUlZl/SfEPEqVMhO0inMXXIc3SuXtvU3n87QLmy0V3/8p4KJqsRJw+rRxsjiPOs /oISBmTFh6/sOkAS9VTdHh093wI++yo= Received: from mx-prod-mc-02.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-615-rqcydCwYOAGWRZkmxDNCLQ-1; Wed, 10 Jul 2024 15:20:10 -0400 X-MC-Unique: rqcydCwYOAGWRZkmxDNCLQ-1 Received: from mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.17]) (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-02.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 7B9F81955F42; Wed, 10 Jul 2024 19:20:06 +0000 (UTC) Received: from dhcp-27-174.brq.redhat.com (unknown [10.45.224.169]) by mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with SMTP id E2AD81955F40; Wed, 10 Jul 2024 19:20:01 +0000 (UTC) Received: by dhcp-27-174.brq.redhat.com (nbSMTP-1.00) for uid 1000 oleg@redhat.com; Wed, 10 Jul 2024 21:18:29 +0200 (CEST) Date: Wed, 10 Jul 2024 21:18:24 +0200 From: Oleg Nesterov To: Pavel Begunkov Cc: io-uring@vger.kernel.org, Jens Axboe , Andrew Morton , Christian Brauner , Tycho Andersen , Thomas Gleixner , linux-kernel@vger.kernel.org, Julian Orth , Peter Zijlstra , Tejun Heo Subject: Re: [PATCH v3 2/2] kernel: rerun task_work while freezing in get_signal() Message-ID: <20240710191824.GD9228@redhat.com> References: <89ed3a52933370deaaf61a0a620a6ac91f1e754d.1720634146.git.asml.silence@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@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: <89ed3a52933370deaaf61a0a620a6ac91f1e754d.1720634146.git.asml.silence@gmail.com> User-Agent: Mutt/1.5.24 (2015-08-30) X-Scanned-By: MIMEDefang 3.0 on 10.30.177.17 I have already acked this patch, so I am sorry for the noise, but On 07/10, Pavel Begunkov wrote: > > Run task_works in the freezer path. Keep the patch small and simple > so it can be easily back ported, Agreed. I tried to argue with v1 which added the additional task_work_run() into get_signal(), but I failed to suggest a "better" change which doesn't uglify/complicate get_signal/backporting. Oleg.