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 X-Spam-Level: X-Spam-Status: No, score=-6.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_GIT autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D9895C48BE5 for ; Thu, 17 Jun 2021 16:30:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C2809613BA for ; Thu, 17 Jun 2021 16:30:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231630AbhFQQcI (ORCPT ); Thu, 17 Jun 2021 12:32:08 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35272 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232841AbhFQQb4 (ORCPT ); Thu, 17 Jun 2021 12:31:56 -0400 Received: from mail-il1-x134.google.com (mail-il1-x134.google.com [IPv6:2607:f8b0:4864:20::134]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A4D82C061574 for ; Thu, 17 Jun 2021 09:29:47 -0700 (PDT) Received: by mail-il1-x134.google.com with SMTP id i12so5853105ila.13 for ; Thu, 17 Jun 2021 09:29:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel-dk.20150623.gappssmtp.com; s=20150623; h=from:to:subject:date:message-id:mime-version :content-transfer-encoding; bh=kbuRQxrtHS6GQ1BP/HG4wNbGvyIaKVlpxlEeJ0jbSTc=; b=jj+3oARFhLligUnuhr/O+nZSWTYfW4Z3Wy/Y8KVKaX0rIioVJjsruAVhadPw2uhvet utKVwviNBpFJi1oXw+Sg+y9enzYfPuR/ius8xBt4h6DXfFmQgyhxWUxD/yGC0Nue3/8U B24gvxBKDYJ3Q15cfZD2PaJyzPH/rRhJrsdmh7CpvCL785IgHMvx7kjPqtluLI+0QqJL WlcJLVzfntEnlI6wTw0rUjjsTXjastuq6zaJS0JMrbsziL4S5P6FwQn8iB/sPfMdezba 7zV92fw1l4XWYLGt3VA1ieUdQk6zsuLLDInSqUqP3OdrXWjzX/6HzNRlbVRuIXY6DjsV hIDQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:subject:date:message-id:mime-version :content-transfer-encoding; bh=kbuRQxrtHS6GQ1BP/HG4wNbGvyIaKVlpxlEeJ0jbSTc=; b=IisAEP6SwLsXxdAgJHnkRDOQCJnDI/rYR1rUB1VNHmy4qnxlQWfHWgaXu0/B2ksTjM fxFe1ipaEbhHoMFBKmfx6j3WdUWJv1kCPeRq9TrTPaqxoEh33qfgXerheOcfGXGqU+Pj hsdfcignmSLuEXX8fHBZHsu8MexpMfCtCInFv11fZz0Y3W/8F0wOeT+4OR/4GX2Zk1PF +g2ZtIb79IUmKmDy+u8Zn94J1e/zaW4DnXGCGK3gmkdSu6rs9f7G0jzj6YyvWy4bwPOB ZrVQVH6mRlvY2yXUqb8+2oyiabCQQUNHbtV0npYK476VRmwp0Qfosy3JjT4XNr31fmUE e/Mw== X-Gm-Message-State: AOAM533xsQGVfvr4hIci10gu1fQ8izX6M3xfDRFzBbzjHl94JXb25UVa iBFLJw65YMpS5+pHVSUBuzpTI2Jk0DmuXn93 X-Google-Smtp-Source: ABdhPJwzMhMypIgKR2BeSY2pIX8uziTrOPAtRfo3VJAqnX7Iig5IV/h1G5R6R4tEwHqh09ECixrfsg== X-Received: by 2002:a92:c5d2:: with SMTP id s18mr4238728ilt.127.1623947386641; Thu, 17 Jun 2021 09:29:46 -0700 (PDT) Received: from p1.localdomain ([65.144.74.34]) by smtp.gmail.com with ESMTPSA id b9sm2856359ilj.33.2021.06.17.09.29.46 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 17 Jun 2021 09:29:46 -0700 (PDT) From: Jens Axboe To: io-uring@vger.kernel.org Subject: [PATCHSET 0/2] Allow io-wq user configurable CPU masks Date: Thu, 17 Jun 2021 10:29:42 -0600 Message-Id: <20210617162944.524917-1-axboe@kernel.dk> X-Mailer: git-send-email 2.32.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org Hi, This adds IORING_REGISTER_IOWQ_AFF that allows an application to specificy CPU affinities for any IO threads that may get created to service requests. Explanation in patch 2, patch 1 is just a prep patch that makes this easier to accomplish. -- Jens Axboe