Message ID | 20210119045920.447-3-xieyongji@bytedance.com (mailing list archive) |
---|---|
State | RFC |
Headers | show
Return-Path: <netdev-owner@kernel.org> 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=-16.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable 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 12BA8C433E0 for <netdev@archiver.kernel.org>; Tue, 19 Jan 2021 08:39:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C4F8F23121 for <netdev@archiver.kernel.org>; Tue, 19 Jan 2021 08:39:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388492AbhASFWm (ORCPT <rfc822;netdev@archiver.kernel.org>); Tue, 19 Jan 2021 00:22:42 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44344 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388927AbhASFGL (ORCPT <rfc822;netdev@vger.kernel.org>); Tue, 19 Jan 2021 00:06:11 -0500 Received: from mail-pj1-x102f.google.com (mail-pj1-x102f.google.com [IPv6:2607:f8b0:4864:20::102f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1BDB6C0613D3 for <netdev@vger.kernel.org>; Mon, 18 Jan 2021 21:04:42 -0800 (PST) Received: by mail-pj1-x102f.google.com with SMTP id u4so11355734pjn.4 for <netdev@vger.kernel.org>; Mon, 18 Jan 2021 21:04:42 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bytedance-com.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=WpzztgDjuirSaoCm4Y9iwgLXbmOFGv5bSk1ou8troPs=; b=qst643HflCVIEfriJwFNkoqnsyAa5ZihDHq5MY2p+sCG7pvdwgfVfWzDs7CyLXzUd+ X5uFyzZCSZ64/Hp2K0p+C+NqylNT+3OiWFg2Ej65miParVF8OeJLkwoS9jnaFI+wtI0Q lXnOrClMEjsYSBLjzze08LxElrkh9rDDFZG4NpZj1vBBw0KYdlW9EiU1Oqdd7abo8655 YHy2xoK2ETSc2On6BciBqVp5jFgbCsIs1R3h9DY01PpB87KzpOEMy5avoFjp/pmcioUN +x7E/3nOu6rB2x31lmd8Bdb+nLCMZYSnKtcS8EPFLa7M6DLN4bahTjy5UUUFTb1aGyef ogCA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=WpzztgDjuirSaoCm4Y9iwgLXbmOFGv5bSk1ou8troPs=; b=VQXjXyQuUjw+PE7dDku76WozKWpcJwm8mn70lMoJb5QHbeM4ti7Py2vTZEQhUtcm8E r3WOB0OyuytcRaMFur1fQJcWxGhX/QHDtnGHhcVoDCR0UqajR3z2rAdDGHmzrc6Zrku4 46GWyNzBDtGR8C9neG8XVQTyediq6mKq7NF1MHoA2v0+HeSrWLbL9isYwduo9xlnVyJL +fKG5DvHOf1JNHkGfL8PW56EnIdPvEK7phVqkIx5ZesET2RxNzkhnZDqwTNG7zPAx85b GXWmrW0xIF78KGX6sGx6ITY5mCMOU8n2Dgs9BBj69F1MkHQeK6ZTqwir9nAGU2KZai8t YUaA== X-Gm-Message-State: AOAM530lClOMdS/AMhN281X9h2bY5ydAd9qwr/gmS6ERjo8njGG3cdN3 I4wivRbTZtWClS3LHxYjHo89 X-Google-Smtp-Source: ABdhPJw7CNS8s3U6DU1iDibWMlmFKz5BWY5qR5AaOZK841X966zGeE7AOSATjocWL+j9RMwjLVZkkg== X-Received: by 2002:a17:90a:2e88:: with SMTP id r8mr3289055pjd.84.1611032681770; Mon, 18 Jan 2021 21:04:41 -0800 (PST) Received: from localhost ([139.177.225.243]) by smtp.gmail.com with ESMTPSA id p187sm17220675pfp.60.2021.01.18.21.04.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 18 Jan 2021 21:04:41 -0800 (PST) From: Xie Yongji <xieyongji@bytedance.com> To: mst@redhat.com, jasowang@redhat.com, stefanha@redhat.com, sgarzare@redhat.com, parav@nvidia.com, bob.liu@oracle.com, hch@infradead.org, rdunlap@infradead.org, willy@infradead.org, viro@zeniv.linux.org.uk, axboe@kernel.dk, bcrl@kvack.org, corbet@lwn.net Cc: virtualization@lists.linux-foundation.org, netdev@vger.kernel.org, kvm@vger.kernel.org, linux-aio@kvack.org, linux-fsdevel@vger.kernel.org Subject: [RFC v3 02/11] eventfd: Increase the recursion depth of eventfd_signal() Date: Tue, 19 Jan 2021 12:59:11 +0800 Message-Id: <20210119045920.447-3-xieyongji@bytedance.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210119045920.447-1-xieyongji@bytedance.com> References: <20210119045920.447-1-xieyongji@bytedance.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: <netdev.vger.kernel.org> X-Mailing-List: netdev@vger.kernel.org X-Patchwork-State: RFC |
Series |
Introduce VDUSE - vDPA Device in Userspace
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expand
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Context | Check | Description |
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netdev/tree_selection | success | Not a local patch |
diff --git a/fs/eventfd.c b/fs/eventfd.c index 2df24f9bada3..478cdc175949 100644 --- a/fs/eventfd.c +++ b/fs/eventfd.c @@ -25,7 +25,7 @@ #include <linux/idr.h> #include <linux/uio.h> -#define EVENTFD_WAKE_DEPTH 0 +#define EVENTFD_WAKE_DEPTH 1 DEFINE_PER_CPU(int, eventfd_wake_count);
Increase the recursion depth of eventfd_signal() to 1. This will be used in VDUSE case later. Signed-off-by: Xie Yongji <xieyongji@bytedance.com> --- fs/eventfd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)