From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751506AbaIUSiJ (ORCPT ); Sun, 21 Sep 2014 14:38:09 -0400 Received: from bh-25.webhostbox.net ([208.91.199.152]:50568 "EHLO bh-25.webhostbox.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751326AbaIUSiH (ORCPT ); Sun, 21 Sep 2014 14:38:07 -0400 Message-ID: <541F1AFF.9040509@roeck-us.net> Date: Sun, 21 Sep 2014 11:37:51 -0700 From: Guenter Roeck User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.0 MIME-Version: 1.0 To: Mikael Starvik CC: "linux-kernel@vger.kernel.org" , Waldemar Brodkorb , Jesper Nilsson , Mikael Starvik , linux-cris-kernel Subject: Re: [RFC PATCH 8/8] Revert "percpu: free percpu allocation info for uniprocessor system" References: <1411316838-15135-1-git-send-email-linux@roeck-us.net> <1411316838-15135-9-git-send-email-linux@roeck-us.net> <1C04F98F-4DA4-4038-B1D1-930BBC592147@axis.com> In-Reply-To: <1C04F98F-4DA4-4038-B1D1-930BBC592147@axis.com> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit X-Authenticated_sender: linux@roeck-us.net X-OutGoing-Spam-Status: No, score=-1.0 X-CTCH-PVer: 0000001 X-CTCH-Spam: Unknown X-CTCH-VOD: Unknown X-CTCH-Flags: 0 X-CTCH-RefID: str=0001.0A020202.541F1B0C.0011,ss=1,re=0.000,recu=0.000,reip=0.000,cl=1,cld=1,fgs=0 X-CTCH-Score: 0.000 X-CTCH-ScoreCust: 0.000 X-CTCH-Rules: X-CTCH-SenderID: linux@roeck-us.net X-CTCH-SenderID-Flags: 0 X-CTCH-SenderID-TotalMessages: 5 X-CTCH-SenderID-TotalSpam: 0 X-CTCH-SenderID-TotalSuspected: 0 X-CTCH-SenderID-TotalConfirmed: 0 X-CTCH-SenderID-TotalBulk: 0 X-CTCH-SenderID-TotalVirus: 0 X-CTCH-SenderID-TotalRecipients: 0 X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - bh-25.webhostbox.net X-AntiAbuse: Original Domain - vger.kernel.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - roeck-us.net X-Get-Message-Sender-Via: bh-25.webhostbox.net: mailgid no entry from get_relayhosts_entry X-Source: X-Source-Args: X-Source-Dir: Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 09/21/2014 10:23 AM, Mikael Starvik wrote: > Thanks for all your work with CRIS! CRISv10 is alive but is currently used as small helper CPUs close to hardware blocks. > You are welcome. Now it would be even better if we could get the upstream code to work with qemu. Which leads to the questions - is CRISv32 alive, and is there a chance to get there ? Also, if CRISv10 is alive, is there any interest or even benefit to maintain it in the latest kernel ? Because if not, we might as well drop v10 support to simplify kernel maintenance. Thanks, Guenter > Jesper will review and ack. > >> 21 sep 2014 kl. 18:27 skrev "Guenter Roeck" : >> >> This reverts commit 3189eddbcafcc4d827f7f19facbeddec4424eba8. >> >> The commit causes a hang with a crisv32 image. This may be an architecture >> problem, but at least for now the revert is necessary to be able to boot a >> crisv32 image. >> >> Signed-off-by: Guenter Roeck >> --- >> mm/percpu.c | 2 -- >> 1 file changed, 2 deletions(-) >> >> diff --git a/mm/percpu.c b/mm/percpu.c >> index da997f9..2139e30 100644 >> --- a/mm/percpu.c >> +++ b/mm/percpu.c >> @@ -1932,8 +1932,6 @@ void __init setup_per_cpu_areas(void) >> >> if (pcpu_setup_first_chunk(ai, fc) < 0) >> panic("Failed to initialize percpu areas."); >> - >> - pcpu_free_alloc_info(ai); >> } >> >> #endif /* CONFIG_SMP */ >> -- >> 1.9.1 >> >