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=-2.3 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_MUTT 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 72E50C43381 for ; Fri, 1 Mar 2019 15:23:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3D81120851 for ; Fri, 1 Mar 2019 15:23:15 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="VC3Z4uSS" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388631AbfCAPXN (ORCPT ); Fri, 1 Mar 2019 10:23:13 -0500 Received: from bombadil.infradead.org ([198.137.202.133]:34964 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726067AbfCAPXN (ORCPT ); Fri, 1 Mar 2019 10:23:13 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=RENNXA18DGifZQijxXwuGGbhsgk/71mdLoQmjbY05Nc=; b=VC3Z4uSSzfkZ0eLvEX4mMNZTu omZdTJujAQ+XNQzpNcMIF3d4ZYcJWrVkfl8xTfcnxvmWzL7NqKOZYUSan/UHmqjfXBPgUy6zt1QcR YNEJM9V/45O4630BXRJXtiJjaB7InNS48Yz5px/UcdcQ9DN84nAlszhnSBcoJu0tQloFNdlwNGCTr VgXm4PvtWSqs+LwPJnlpdciVYtUrdawtQJCSpkDnXSALZGwIl6F41Zpvv2eFFe/4+SGgnUZ23ATKS zGp9/j2qTrE/nztJ1sFFbDaChpb3HRNjKRzby/XAF8b0pZSkhWR/ttRmUwrb4uo1ObUIlMb1g7kmo Ut8By4Q8g==; Received: from j217100.upc-j.chello.nl ([24.132.217.100] helo=hirez.programming.kicks-ass.net) by bombadil.infradead.org with esmtpsa (Exim 4.90_1 #2 (Red Hat Linux)) id 1gzk0A-0000SH-Qx; Fri, 01 Mar 2019 15:23:06 +0000 Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id 4074F203CCAB3; Fri, 1 Mar 2019 16:23:05 +0100 (CET) Date: Fri, 1 Mar 2019 16:23:05 +0100 From: Peter Zijlstra To: Dmitry Vyukov Cc: Linus Torvalds , Thomas Gleixner , "H. Peter Anvin" , Julien Thierry , Will Deacon , Andy Lutomirski , Ingo Molnar , Catalin Marinas , James Morse , valentin.schneider@arm.com, Brian Gerst , Josh Poimboeuf , Andy Lutomirski , Borislav Petkov , Denys Vlasenko , LKML , Andrey Ryabinin Subject: Re: [PATCH 1/8] kasan,x86: Frob kasan_report() in an exception Message-ID: <20190301152305.GJ32494@hirez.programming.kicks-ass.net> References: <20190228145450.289603901@infradead.org> <20190228150152.078767622@infradead.org> <20190301144556.GY32477@hirez.programming.kicks-ass.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Mar 01, 2019 at 04:06:17PM +0100, Dmitry Vyukov wrote: > It involves asm, hardware exceptions, UD2 instructions. It also seems > to use arch-dependent code in arch-independent files: there is no RSI > on other arches, does this compile on non-x86? > > +#ifndef kasan_report > > +#define kasan_report(addr, size, is_write, ip) __kasan_report(addr, size, is_write, ip) > > +#endif Should build; but I've not tried yet. I'll push the lot out to 0day, that'll yell loudly if I messed that up. But yes, I'll try some annotation, see what that looks like.