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 4B337C76186 for ; Mon, 29 Jul 2019 21:59:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 208B7216C8 for ; Mon, 29 Jul 2019 21:59:29 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=arista.com header.i=@arista.com header.b="XLSDH1Nz" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730623AbfG2V71 (ORCPT ); Mon, 29 Jul 2019 17:59:27 -0400 Received: from mail-wr1-f48.google.com ([209.85.221.48]:46935 "EHLO mail-wr1-f48.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2389456AbfG2V7M (ORCPT ); Mon, 29 Jul 2019 17:59:12 -0400 Received: by mail-wr1-f48.google.com with SMTP id z1so63447847wru.13 for ; Mon, 29 Jul 2019 14:59:11 -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=s8TNpPfRzkd/STVPqA/OmSveOcsf2nPj4laDcq0UFS8=; b=XLSDH1Nz0pN5WkflENvDp7KvTw3mfOAw93+QETM26nPcTcrXiHz5NCHaZicpwAVudS 08sGxWHWCupk5AS1eb3Mjj7DhmEKpoJ/B5/v/mrJQoV/WVL92kuuyyGGTw+xXJ2AtJo6 wv3RjmYNrOp5Ebfu1maTC5CY+3LEOYTfdSI1CCMzXydYhNY1rlpTlQ79YydXQC2ZFYRL Njx7Y0qq+Y6FPL9qigsLXWF0UcXOe20NVim2m8H5Vyrz+fstXo1QuJ1i2hWsPdIqoo+6 diIJTvcmtx7MM+RCtUfbnWf0gBI/9EBVwLyUWh51gclK3psKYLncKyeIdB92GGwUggDD u8cA== 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=s8TNpPfRzkd/STVPqA/OmSveOcsf2nPj4laDcq0UFS8=; b=kRT05AYuwsjftrD9wrhP4C6NOZs/arUynlEwhgpSHBxrNHbSgGLCJnR8clZ2RKKMUB G5O5pcfgXZHalnJMDekbImKOSFPAI/evoEbIi0GOHtoaetahHac7g9hPLL20TNxzhtpf inZea/8p3LGHGBNtHQTK6osbEo8ZekFZZQZxqGys7tH9Y5qzSNb7hcQrRNtV2BcegJTc AO1MevoU6eqTAZXHSkabex7gkskNm769gJU4fvCVV1Ej1nPJTp4i4SRF385ptRKHK72E yhNPPfL2hTS7zX122fm5lSmAxk7gflvC21O3o3TKVFFkT1EuwJOOUPOM4loOnkjv1Hyk Jjhg== X-Gm-Message-State: APjAAAUKE8txo1x9u9LXQy5wSuAVav3VOpLlTgWdxKDJwXOiFanUGlX0 BXC1vtU16ixahyLkzodMA/uF9Xa8VkC2rRR6FqRZedeNg7KplehaVUPdEv5ke309XzFm2MTonET 8NBU87bby0xBPLhhn61dplRrhjxu0c2x/qr29tVF42iTmN8FIOSfuUF5UdNmB6Vhlvf6VER3e/A iFKZyYhj33hHma7pzuorgd8ma8bR0GTAz3eR7qZNI= X-Google-Smtp-Source: APXvYqz0attZTqRvroRGRmJOSKDYIfczrl7AZqIItXDlnk/rqWOjgsQUXi2hDMrhwI5XxSxm3lLTtg== X-Received: by 2002:adf:eb49:: with SMTP id u9mr2699879wrn.215.1564437550243; Mon, 29 Jul 2019 14:59:10 -0700 (PDT) Received: from Mindolluin.ire.aristanetworks.com ([217.173.96.166]) by smtp.gmail.com with ESMTPSA id x20sm49230728wmc.1.2019.07.29.14.59.08 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Mon, 29 Jul 2019 14:59:09 -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: [PATCHv5 12/37] timerfd: Make timerfd_settime() time namespace aware Date: Mon, 29 Jul 2019 22:57:32 +0100 Message-Id: <20190729215758.28405-51-dima@arista.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190729215758.28405-1-dima@arista.com> References: <20190729215758.28405-1-dima@arista.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CLOUD-SEC-AV-Info: arista,google_mail,monitor X-CLOUD-SEC-AV-Sent: true X-Gm-Spam: 0 X-Gm-Phishy: 0 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 experation 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 6a6fc8aa1de7..9b0c2f65e7e8 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); -- 2.22.0