From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752552AbdI2QY3 (ORCPT ); Fri, 29 Sep 2017 12:24:29 -0400 Received: from mail-cys01nam02on0045.outbound.protection.outlook.com ([104.47.37.45]:48800 "EHLO NAM02-CY1-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752540AbdI2QYZ (ORCPT ); Fri, 29 Sep 2017 12:24:25 -0400 Authentication-Results: spf=none (sender IP is ) smtp.mailfrom=Thomas.Lendacky@amd.com; From: Tom Lendacky Subject: [PATCH] x86/mm: Disable branch profiling in mem_encrypt.c To: x86@kernel.org Cc: Thomas Gleixner , Ingo Molnar , Borislav Petkov , linux-kernel@vger.kernel.org, "H. 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When CONFIG_TRACE_BRANCH_PROFILING is defined the resulting branch profiling associated with the check to see if SME is active results in a kernel crash. Disable branch profiling for mem_encrypt.c by defining DISABLE_BRANCH_PROFILING before including any header files. Reported-by: kernel test robot Signed-off-by: Tom Lendacky --- arch/x86/mm/mem_encrypt.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/x86/mm/mem_encrypt.c b/arch/x86/mm/mem_encrypt.c index 3fcc8e0..16c5f37 100644 --- a/arch/x86/mm/mem_encrypt.c +++ b/arch/x86/mm/mem_encrypt.c @@ -10,6 +10,8 @@ * published by the Free Software Foundation. */ +#define DISABLE_BRANCH_PROFILING + #include #include #include