From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751418AbdIMHpk (ORCPT ); Wed, 13 Sep 2017 03:45:40 -0400 Received: from mail-wm0-f47.google.com ([74.125.82.47]:44437 "EHLO mail-wm0-f47.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750776AbdIMHpi (ORCPT ); Wed, 13 Sep 2017 03:45:38 -0400 X-Google-Smtp-Source: AOwi7QAsNFk/73tp3YXk5TK31pyqcuPYqlmsLJH2TXJtXXOFqnol99jhzA2GMVJUWCom+PlGmZqtkw== Date: Wed, 13 Sep 2017 09:45:34 +0200 From: Ingo Molnar To: Andy Lutomirski Cc: Sai Praneeth Prakhya , x86@kernel.org, linux-kernel , Borislav Petkov , torvalds@linux-foundation.org, akpm@linux-foundation.org, mgorman@suse.de, linux-mm@kvack.org, nadav.amit@gmail.com, riel@redhat.com, "Hansen, Dave" , arjan@linux.intel.com, Peter Zijlstra , Andy Lutomirski , "Luck, Tony" , "Shankar, Ravi V" , Matt Fleming , "Yu, Fenghua" Subject: Re: [PATCH v4 00/10] PCID and improved laziness Message-ID: <20170913074534.m6hmavogg2gsnstt@gmail.com> References: <1505244724.4482.78.camel@intel.com> <428E07CE-6F76-4137-B568-B9794735A51F@amacapital.net> <20170913074301.rivpgoaf7juvwkha@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20170913074301.rivpgoaf7juvwkha@gmail.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 * Ingo Molnar wrote: > > * Andy Lutomirski wrote: > > > I'm on my way to LPC, so I can't easily work on this right this instant. > > > > Can you try this branch, though? > > > > https://git.kernel.org/pub/scm/linux/kernel/git/luto/linux.git/commit/?h=x86/fixes&id=cb88ae619b4c3d832d224f2c641849dc02aed864 > > Any objections against me applying these fixes directly and getting them to Linus > later today, to not widen the window of breakage any further? > > I'll also apply: > > x86/mm/64: Initialize CR4.PCIDE early So now that I've looked at the branch, I think I'll apply these three: cb88ae619b4c: x86/mm/64: Initialize CR4.PCIDE early 6ec68017784f: x86/hibernate/64: Mask off CR3's PCID bits in the saved CR3 5d1298206d7b: x86/mm: Get rid of VM_BUG_ON in switch_tlb_irqs_off() The first one is that likely fixed the crash that Sai Praneeth Prakhya reported. Thanks, Ingo From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wr0-f200.google.com (mail-wr0-f200.google.com [209.85.128.200]) by kanga.kvack.org (Postfix) with ESMTP id 8B1F76B0253 for ; Wed, 13 Sep 2017 03:45:38 -0400 (EDT) Received: by mail-wr0-f200.google.com with SMTP id h16so14257782wrf.0 for ; Wed, 13 Sep 2017 00:45:38 -0700 (PDT) Received: from mail-sor-f41.google.com (mail-sor-f41.google.com. [209.85.220.41]) by mx.google.com with SMTPS id k6sor183301wmi.50.2017.09.13.00.45.37 for (Google Transport Security); Wed, 13 Sep 2017 00:45:37 -0700 (PDT) Date: Wed, 13 Sep 2017 09:45:34 +0200 From: Ingo Molnar Subject: Re: [PATCH v4 00/10] PCID and improved laziness Message-ID: <20170913074534.m6hmavogg2gsnstt@gmail.com> References: <1505244724.4482.78.camel@intel.com> <428E07CE-6F76-4137-B568-B9794735A51F@amacapital.net> <20170913074301.rivpgoaf7juvwkha@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20170913074301.rivpgoaf7juvwkha@gmail.com> Sender: owner-linux-mm@kvack.org List-ID: To: Andy Lutomirski Cc: Sai Praneeth Prakhya , x86@kernel.org, linux-kernel , Borislav Petkov , torvalds@linux-foundation.org, akpm@linux-foundation.org, mgorman@suse.de, linux-mm@kvack.org, nadav.amit@gmail.com, riel@redhat.com, "Hansen, Dave" , arjan@linux.intel.com, Peter Zijlstra , Andy Lutomirski , "Luck, Tony" , "Shankar, Ravi V" , Matt Fleming , "Yu, Fenghua" * Ingo Molnar wrote: > > * Andy Lutomirski wrote: > > > I'm on my way to LPC, so I can't easily work on this right this instant. > > > > Can you try this branch, though? > > > > https://git.kernel.org/pub/scm/linux/kernel/git/luto/linux.git/commit/?h=x86/fixes&id=cb88ae619b4c3d832d224f2c641849dc02aed864 > > Any objections against me applying these fixes directly and getting them to Linus > later today, to not widen the window of breakage any further? > > I'll also apply: > > x86/mm/64: Initialize CR4.PCIDE early So now that I've looked at the branch, I think I'll apply these three: cb88ae619b4c: x86/mm/64: Initialize CR4.PCIDE early 6ec68017784f: x86/hibernate/64: Mask off CR3's PCID bits in the saved CR3 5d1298206d7b: x86/mm: Get rid of VM_BUG_ON in switch_tlb_irqs_off() The first one is that likely fixed the crash that Sai Praneeth Prakhya reported. Thanks, Ingo -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org