From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753090AbdJMSNE (ORCPT ); Fri, 13 Oct 2017 14:13:04 -0400 Received: from mail-pf0-f181.google.com ([209.85.192.181]:54580 "EHLO mail-pf0-f181.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752979AbdJMSNC (ORCPT ); Fri, 13 Oct 2017 14:13:02 -0400 X-Google-Smtp-Source: AOwi7QC6JPxNW6djTEHHNXkdsg+fz/qOKb8/NDeQMPW+pnjb6SeKbPGjzBw8uS+SH3ArurFwf4a1cg== Subject: Re: [PATCH v2 3/10] arm: vdso: inline assembler operations to compiler.h To: linux-kernel@vger.kernel.org Cc: james.morse@arm.com, Russell King , Mark Salyzyn , linux-arm-kernel@lists.infradead.org References: <20171012225940.86652-1-salyzyn@android.com> From: Mark Salyzyn Message-ID: <24d5a48b-620e-2112-2de8-fb42e403ea57@android.com> Date: Fri, 13 Oct 2017 11:13:00 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.1.1 MIME-Version: 1.0 In-Reply-To: <20171012225940.86652-1-salyzyn@android.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Content-Language: en-US Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 10/12/2017 03:59 PM, Mark Salyzyn wrote: > Move compiler-specific code to a local compiler.h file. CONFIG_AEABI > dependency check. System call fallback functions standardized into > a DEFINE_FALLBACK macro. Accept that __arch_counter_get_cntvct() > is the API for aarch64. Deal with unresolved references emitted by > GCC. Optimize handling of fallback calls. Most notably add unlikely > nullptr checking to __vdso_gettimeofday, if tv null no need to > proceed to fallback, as vdso is capable of filling in the tv values. nit: last sentence should have read 'filling in the tz values.'