From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id B2C25C5479D for ; Thu, 12 Jan 2023 01:46:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236105AbjALBqS (ORCPT ); Wed, 11 Jan 2023 20:46:18 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55816 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232976AbjALBqL (ORCPT ); Wed, 11 Jan 2023 20:46:11 -0500 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0B9CA37509 for ; Wed, 11 Jan 2023 17:45:26 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1673487926; 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=k76IrklA0IY7Qu0TJ/osmN/NzFl01YaaFcKr8OB0oJ4=; b=PBZl3i92aiA4ATyQx2E3VlqpBBEvGhPQt3PNU/blvE8TK/xS20PM5/bR9J9Jk2BhU8uKPS ZQvIE0pQbQsap8SzVrxAwncR1p4ixqzXNGghES3+vDusHgk+0LJwjbmYFNI31PVIIGaHQV z0/CRUi3mXNTJEFVPLWcW8X86s0e0s8= Received: from mimecast-mx02.redhat.com (mx3-rdu2.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-617-2LwfjkhyMo-MMFxTNQlQpA-1; Wed, 11 Jan 2023 20:45:20 -0500 X-MC-Unique: 2LwfjkhyMo-MMFxTNQlQpA-1 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.rdu2.redhat.com [10.11.54.8]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 18CFB3C16E88; Thu, 12 Jan 2023 01:45:20 +0000 (UTC) Received: from T590 (ovpn-8-20.pek2.redhat.com [10.72.8.20]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 60821C15BA0; Thu, 12 Jan 2023 01:45:14 +0000 (UTC) Date: Thu, 12 Jan 2023 09:45:09 +0800 From: Ming Lei To: Thomas Gleixner Cc: Jens Axboe , linux-kernel@vger.kernel.org, linux-block@vger.kernel.org, Christoph Hellwig , John Garry Subject: Re: [PATCH V4 0/6] genirq/affinity: Abstract APIs from managed irq affinity spread Message-ID: References: <20221227022905.352674-1-ming.lei@redhat.com> <87zgaoew45.ffs@tglx> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <87zgaoew45.ffs@tglx> X-Scanned-By: MIMEDefang 3.1 on 10.11.54.8 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Jan 11, 2023 at 07:58:50PM +0100, Thomas Gleixner wrote: > On Wed, Jan 11 2023 at 10:18, Ming Lei wrote: > > On Tue, Dec 27, 2022 at 10:28:59AM +0800, Ming Lei wrote: > >> Hello, > >> > >> irq_build_affinity_masks() actually grouping CPUs evenly into each managed > >> irq vector according to NUMA and CPU locality, and it is reasonable to abstract > >> one generic API for grouping CPUs evenly, the idea is suggested by Thomas > >> Gleixner. > >> > >> group_cpus_evenly() is abstracted and put into lib/, so blk-mq can re-use > >> it to build default queue mapping. > >> > >> blk-mq IO perf data is observed as more stable, meantime with big > >> improvement, see detailed data in the last patch. > >> > >> Please consider it for v6.3! > >> > >> V4: > >> - address comments from John, not export the API, given so far no > >> module uses this symbol > >> - add maintainer entry for new added lib/group_cpus.c > >> - rebase on 6.2 > > > > Any chance to take a look at this patchset? > > I'm at it. My sickness+vacation induced backlog is horrible .... Thanks for the response, and wish you good health. thanks, Ming