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=-4.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,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 A3317C433E0 for ; Wed, 24 Jun 2020 22:50:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 72C9B2073E for ; Wed, 24 Jun 2020 22:50:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1593039054; bh=RTdWkJmEWlr3331RT80WkFaq8OxKmIjqJQ5OvXIxZdE=; h=From:To:Cc:Subject:Date:List-ID:From; b=pSAPdZ9QMX/ArNJVgjSpVxfMpMpEn04KDu9cUN/is2/ujVpSrzQK/jCMqDnotdrr1 JMJC1bYxma5KOzswkUKJkZ7rMasL3egGxe9DhEclkqXVdGpV8HfJjyk+C80iqggmG6 TzMby1ZFuh9M0JZBY12Mu7Wc58zMwcct8+Eu31Oo= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387983AbgFXWux (ORCPT ); Wed, 24 Jun 2020 18:50:53 -0400 Received: from mail.kernel.org ([198.145.29.99]:43182 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728879AbgFXWuw (ORCPT ); Wed, 24 Jun 2020 18:50:52 -0400 Received: from localhost (c-67-180-165-146.hsd1.ca.comcast.net [67.180.165.146]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id CDD562073E; Wed, 24 Jun 2020 22:50:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1593039051; bh=RTdWkJmEWlr3331RT80WkFaq8OxKmIjqJQ5OvXIxZdE=; h=From:To:Cc:Subject:Date:From; b=N7m5arVKJN3esvocEZvHd8rDKDecj+jdesxUcccHZ+6szbK4PO+wmCzGP2WXW5c/9 TlXzE9tJX2fJ1hFjsP1nv21YhP2JKQ5dUYAoIjjThfHJKHQl6m378WCu5o3TfJRTBu W6To9bGjQlebi81ZJki0anr4GjSf85oKr9g8oCxY= From: Andy Lutomirski To: X86 ML , LKML Cc: Sasha Levin , Andy Lutomirski Subject: [PATCH 0/3] x86/fsgsbase: Some fixes Date: Wed, 24 Jun 2020 15:50:47 -0700 Message-Id: X-Mailer: git-send-email 2.25.4 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 The first two are trivial selftest fixes. The third one fixes an actual regression. Andy Lutomirski (3): selftests/x86/fsgsbase: Fix a comment in the ptrace_write_gsbase test selftests/x86/fsgsbase: Add a missing memory constraint x86/ptrace: Fix 32-bit PTRACE_SETREGS vs fsbase and gsbase arch/x86/include/asm/fsgsbase.h | 2 + arch/x86/kernel/process_64.c | 4 +- arch/x86/kernel/ptrace.c | 43 ++- tools/testing/selftests/x86/Makefile | 2 +- tools/testing/selftests/x86/fsgsbase.c | 6 +- .../testing/selftests/x86/fsgsbase_restore.c | 245 ++++++++++++++++++ 6 files changed, 284 insertions(+), 18 deletions(-) create mode 100644 tools/testing/selftests/x86/fsgsbase_restore.c -- 2.25.4