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=-9.9 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham 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 B5FF6C4360C for ; Fri, 11 Oct 2019 01:25:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8D648214E0 for ; Fri, 11 Oct 2019 01:25:40 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=arista.com header.i=@arista.com header.b="EjAnH+Up" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728448AbfJKBZj (ORCPT ); Thu, 10 Oct 2019 21:25:39 -0400 Received: from mail-wr1-f65.google.com ([209.85.221.65]:37037 "EHLO mail-wr1-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728102AbfJKBYD (ORCPT ); Thu, 10 Oct 2019 21:24:03 -0400 Received: by mail-wr1-f65.google.com with SMTP id p14so9959983wro.4 for ; Thu, 10 Oct 2019 18:24:02 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=arista.com; s=googlenew; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=NZwK+S94n8+kuxECVrn+dJbtZsya6IRammowz8Zd06g=; b=EjAnH+Up6qu7vsX0veTfZxyxwpJyu/LTnvpcgQ/9g3/OYYhs7cCrGZZZ143rfx+YuN tm+SWRL3uTMBoHkLKHPZrGBl50GIHvxODlvb5OSlR8bRAVw0oMVa0mR0VDhc3lbcLvmH 0Mmr8og/CPAwGHDf73pm+tO0ryAo8H916ev/UzKNLLXUBHF6mlrPDw2Cs/qfchNjVUQb gQRfKixxLj14Ns51EUvri8JIHJyS+f8Voianj8hp/RdObBhsF/ZtjAHD9wLBbaDebY/z DWUquEv9lk9QSsjuVb6PYrnjuZt1rKY/c8n2itNhc5vJbXlmph7n6Hph7Af3E6qx5Fxj 0Sdg== 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=NZwK+S94n8+kuxECVrn+dJbtZsya6IRammowz8Zd06g=; b=KQJy3q91tItDr5sXbXEFeZEezrQWJGG88/oPxo0gEzDzb5WXyxy9fuiQljYrh4iU2l vB6woDNRSvswDFko+OTQaqH5Y65WJ1uw7ZGb6avkqBar23Zw/llKz5TNUssyrhKcLTKx 6kfyLDEPB4w5ZYFOA91pkcqFfnm3fStH0omyPPJbwYshqBzUGzaDkavnZL1ECgan9Ilu Swx5SrmRSmLdht/K3MImCGV2nvCrDfkcSpapLHCQe3kJ769g4IuA9CsZ0/XOUyKgfXpb XHngxbQZHN0rDbe5jkIpF/HDJnVUVYgF+qBWUJaFFCZCSvMYm2kYIPWRXrCtJNygiJwa vz4g== X-Gm-Message-State: APjAAAXcMq+xYlB5vvsKDZi28GPp1Zw3EjrEFV1ZPrEVghGMWhfthao8 xMb2yGccqTcY67K6Rx0Wf36wqUn9I2w= X-Google-Smtp-Source: APXvYqw5OUm4NHXxoFn4k+ZROCcl6LeUPiH8VPyth6eBe+oA075nwaLbwXgNQFx4j299LNaZpr6suQ== X-Received: by 2002:a5d:62cd:: with SMTP id o13mr11032327wrv.101.1570757041900; Thu, 10 Oct 2019 18:24:01 -0700 (PDT) Received: from localhost.localdomain ([2a02:8084:ea2:c100:228:f8ff:fe6f:83a8]) by smtp.gmail.com with ESMTPSA id l13sm7699795wmj.25.2019.10.10.18.24.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 10 Oct 2019 18:24:01 -0700 (PDT) From: Dmitry Safonov To: linux-kernel@vger.kernel.org Cc: Dmitry Safonov <0x7f454c46@gmail.com>, Andrei Vagin , Dmitry Safonov , Adrian Reber , Andrei Vagin , Andy Lutomirski , Arnd Bergmann , Christian Brauner , Cyrill Gorcunov , "Eric W. Biederman" , "H. Peter Anvin" , Ingo Molnar , Jann Horn , Jeff Dike , Oleg Nesterov , Pavel Emelyanov , Shuah Khan , Thomas Gleixner , Vincenzo Frascino , containers@lists.linux-foundation.org, criu@openvz.org, linux-api@vger.kernel.org, x86@kernel.org Subject: [PATCHv7 11/33] timerfd: Make timerfd_settime() time namespace aware Date: Fri, 11 Oct 2019 02:23:19 +0100 Message-Id: <20191011012341.846266-12-dima@arista.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20191011012341.846266-1-dima@arista.com> References: <20191011012341.846266-1-dima@arista.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Andrei Vagin timerfd_settime() accepts an absolute value of the expiration time if TFD_TIMER_ABSTIME is specified. This value is in task's time namespace and has to be converted to the host's time namespace. Signed-off-by: Andrei Vagin Co-developed-by: Dmitry Safonov Signed-off-by: Dmitry Safonov --- fs/timerfd.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/fs/timerfd.c b/fs/timerfd.c index 48305ba41e3c..f9da5752a79e 100644 --- a/fs/timerfd.c +++ b/fs/timerfd.c @@ -26,6 +26,7 @@ #include #include #include +#include struct timerfd_ctx { union { @@ -196,6 +197,8 @@ static int timerfd_setup(struct timerfd_ctx *ctx, int flags, } if (texp != 0) { + if (flags & TFD_TIMER_ABSTIME) + texp = timens_ktime_to_host(clockid, texp); if (isalarm(ctx)) { if (flags & TFD_TIMER_ABSTIME) alarm_start(&ctx->t.alarm, texp); -- 2.23.0