From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752066AbbHQTW4 (ORCPT ); Mon, 17 Aug 2015 15:22:56 -0400 Received: from mail.kernel.org ([198.145.29.136]:43875 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751349AbbHQTWy (ORCPT ); Mon, 17 Aug 2015 15:22:54 -0400 From: Andy Lutomirski To: security@kernel.org, linux-kernel@vger.kernel.org, x86@kernel.org Cc: Andy Lutomirski Subject: [PATCH 0/3] Stuff for 4.2 (including a revert) Date: Mon, 17 Aug 2015 12:22:49 -0700 Message-Id: X-Mailer: git-send-email 2.4.3 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi all- Patch 1 is a revert, Cc'd to stable. I haven't tried to write a real test for the bug, but the code definitely looks buggy. I intent to fix it for real as part of converting more of the syscall entry code to C, but this is a better fix for now. Patch 2 fixes selftests fallout from the sigcontext revert. Patch 3 is a new test that I thought I added but apparently didn't. It's probably 4.3 material, but it's related to patch 1, so I'm sending them together. Andy Lutomirski (3): Revert "sched/x86_64: Don't save flags on context switch" selftests/x86: Disable sigreturn_64 selftests/x86: Add syscall_nt selftest arch/x86/include/asm/switch_to.h | 12 +++---- tools/testing/selftests/x86/Makefile | 4 +-- tools/testing/selftests/x86/syscall_nt.c | 54 ++++++++++++++++++++++++++++++++ 3 files changed, 60 insertions(+), 10 deletions(-) create mode 100644 tools/testing/selftests/x86/syscall_nt.c -- 2.4.3