From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756026AbcAHXPl (ORCPT ); Fri, 8 Jan 2016 18:15:41 -0500 Received: from mail.kernel.org ([198.145.29.136]:49567 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755770AbcAHXPi (ORCPT ); Fri, 8 Jan 2016 18:15:38 -0500 From: Andy Lutomirski To: x86@kernel.org, linux-kernel@vger.kernel.org Cc: Borislav Petkov , Brian Gerst , Dave Hansen , Linus Torvalds , Oleg Nesterov , "linux-mm@kvack.org" , Andy Lutomirski Subject: [RFC 01/13] x86/paravirt: Turn KASAN off for parvirt.o Date: Fri, 8 Jan 2016 15:15:19 -0800 Message-Id: X-Mailer: git-send-email 2.5.0 In-Reply-To: References: In-Reply-To: References: Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Otherwise terrible things happen if some of the callbacks end up calling into KASAN in unexpected places. This has no obvious symptoms yet, but adding a memory reference to native_flush_tlb_global without this blows up on KASAN kernels. Signed-off-by: Andy Lutomirski --- arch/x86/kernel/Makefile | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/x86/kernel/Makefile b/arch/x86/kernel/Makefile index b1b78ffe01d0..b7cd5bdf314b 100644 --- a/arch/x86/kernel/Makefile +++ b/arch/x86/kernel/Makefile @@ -19,6 +19,7 @@ endif KASAN_SANITIZE_head$(BITS).o := n KASAN_SANITIZE_dumpstack.o := n KASAN_SANITIZE_dumpstack_$(BITS).o := n +KASAN_SANITIZE_paravirt.o := n CFLAGS_irq.o := -I$(src)/../include/asm/trace -- 2.5.0