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=-2.8 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,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 CB62CC10F14 for ; Thu, 11 Apr 2019 10:30:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9A8312184E for ; Thu, 11 Apr 2019 10:30:56 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=codeweavers.com header.i=@codeweavers.com header.b="qk1Q4L40" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726772AbfDKKaz (ORCPT ); Thu, 11 Apr 2019 06:30:55 -0400 Received: from mail.codeweavers.com ([173.240.25.211]:55710 "EHLO mail.codeweavers.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726711AbfDKKav (ORCPT ); Thu, 11 Apr 2019 06:30:51 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=codeweavers.com; s=6377696661; h=Message-Id:Date:Subject:Cc:To:From:Sender: Reply-To:MIME-Version:Content-Type:Content-Transfer-Encoding:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:In-Reply-To:References:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=NaJFx3V0PFAfo1+my5pcCmF+ykxLUO2wGcBLGrk3uhc=; b=qk1Q4L40exJkB3p+Ce/hQ72n8M ple1hI8QBniJUM8m/Kva8PdmVbiw3/QoUhf9LmxJ8VYzs/klvzDFFjKMRA3dqF3B4mdaZPrfVkWNN C/DblkDdUyeD+4FXbTV6ZzFiUhD6NkMGrkv+MxftRoKHK/XP69HROjo+vt3R9dAfcYDU=; Received: from vpn42.vpn.mn.codeweavers.com ([10.69.139.42] helo=merlot) by mail.codeweavers.com with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1hEWgg-0000mx-7N; Thu, 11 Apr 2019 05:12:07 -0500 Received: from daviesh by merlot with local (Exim 4.90_1) (envelope-from ) id 1hEWgf-0002cm-5x; Thu, 11 Apr 2019 11:12:05 +0100 From: Huw Davies To: linux kernel Cc: Thomas Gleixner , Andy Lutomirski Subject: [PATCH 0/3] x86/vdso: Add support for CLOCK_MONOTONIC_RAW in the vDSO Date: Thu, 11 Apr 2019 11:12:02 +0100 Message-Id: <20190411101205.10006-1-huw@codeweavers.com> X-Mailer: git-send-email 2.17.1 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This series adds support for the CLOCK_MONOTONIC_RAW clock in the x86 vDSO, thus decreasing its readout cost. This is particularly useful for Wine which needs to implement Win32 API clock functions whose value does not get adjusted with adjtimex(). Cc: Thomas Gleixner Cc: Andy Lutomirski Huw Davies (3): x86/vdso: Remove unused 'mask' member x86/vdso: Allow clock specific mult and shift values x86/vdso: Add support for CLOCK_MONOTONIC_RAW in the vDSO arch/x86/entry/vdso/vclock_gettime.c | 4 ++-- arch/x86/entry/vsyscall/vsyscall_gtod.c | 15 ++++++++++++--- arch/x86/include/asm/vgtod.h | 10 +++++----- 3 files changed, 19 insertions(+), 10 deletions(-) -- 2.17.1