Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751027AbdL3UA2 (ORCPT ); Sat, 30 Dec 2017 15:00:28 -0500 Received: from mail-it0-f52.google.com ([209.85.214.52]:42155 "EHLO mail-it0-f52.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750937AbdL3UA1 (ORCPT ); Sat, 30 Dec 2017 15:00:27 -0500 X-Google-Smtp-Source: ACJfBovGd61W85eP5Zdcv94FXpqSYI6HYy8eSZSbR1qFkHK4u4KdYmljPa/J5Wh1l4ax6QlhRzlZzivGCmuhkMvsOB8= MIME-Version: 1.0 In-Reply-To: References: <20171230132927.GA2731@light.dominikbrodowski.net> <20171230153054.GA1604@light.dominikbrodowski.net> From: Linus Torvalds Date: Sat, 30 Dec 2017 12:00:25 -0800 X-Google-Sender-Auth: vfg77h4NaeAG6djfJvE2yc2sLkM Message-ID: Subject: Re: x86/pti: smp_processor_id() called while preemptible in resume-from-sleep To: Thomas Gleixner Cc: Dominik Brodowski , Andy Lutomirski , Dave Hansen , LKML , "the arch/x86 maintainers" Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 330 Lines: 11 On Sat, Dec 30, 2017 at 11:41 AM, Thomas Gleixner wrote: > > That pagetable fiddling dissappeared long ago, but the flush stayed around > forever. Yes, so it all makes sense, and those two tlb invalidates should just be removed. Good to have the reason for the left-over code understood. Linus