From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932499AbdESU6y (ORCPT ); Fri, 19 May 2017 16:58:54 -0400 Received: from mail.skyhub.de ([5.9.137.197]:37494 "EHLO mail.skyhub.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932436AbdESU6v (ORCPT ); Fri, 19 May 2017 16:58:51 -0400 Date: Fri, 19 May 2017 22:58:36 +0200 From: Borislav Petkov To: Tom Lendacky Cc: linux-arch@vger.kernel.org, linux-efi@vger.kernel.org, kvm@vger.kernel.org, linux-doc@vger.kernel.org, x86@kernel.org, kexec@lists.infradead.org, linux-kernel@vger.kernel.org, kasan-dev@googlegroups.com, linux-mm@kvack.org, iommu@lists.linux-foundation.org, Rik van Riel , Radim =?utf-8?B?S3LEjW3DocWZ?= , Toshimitsu Kani , Arnd Bergmann , Jonathan Corbet , Matt Fleming , "Michael S. Tsirkin" , Joerg Roedel , Konrad Rzeszutek Wilk , Paolo Bonzini , Larry Woodman , Brijesh Singh , Ingo Molnar , Andy Lutomirski , "H. Peter Anvin" , Andrey Ryabinin , Alexander Potapenko , Dave Young , Thomas Gleixner , Dmitry Vyukov Subject: Re: [PATCH v5 28/32] x86/mm, kexec: Allow kexec to be used with SME Message-ID: <20170519205836.3wvl3nztqyyouje3@pd.tnic> References: <20170418211612.10190.82788.stgit@tlendack-t1.amdoffice.net> <20170418212121.10190.94885.stgit@tlendack-t1.amdoffice.net> <20170517191755.h2xluopk2p6suw32@pd.tnic> <1b74e0e6-3dda-f638-461b-f73af9904360@amd.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <1b74e0e6-3dda-f638-461b-f73af9904360@amd.com> User-Agent: NeoMutt/20170113 (1.7.2) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, May 19, 2017 at 03:45:28PM -0500, Tom Lendacky wrote: > Actually there is. The above will result in data in the cache because > halt() turns into a function call if CONFIG_PARAVIRT is defined (refer > to the comment above where do_wbinvd_halt is set to true). I could make > this a native_wbinvd() and native_halt() That's why we have the native_* versions - to bypass paravirt crap. -- Regards/Gruss, Boris. Good mailing practices for 400: avoid top-posting and trim the reply.