linux-kernel - Re: [PATCH v2 01/11] MIPS: setup: Drop prefill_possible

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20200414163957.00006d65@flygoat.com>
Date:   Tue, 14 Apr 2020 16:39:57 +0800
From:   Jiaxun Yang <jiaxun.yang@...goat.com>
To:     Sudeep Holla <sudeep.holla@....com>
Cc:     linux-mips@...r.kernel.org, dietmar.eggemann@....com,
        Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        Huacai Chen <chenhc@...ote.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Jiri Olsa <jolsa@...hat.com>,
        Namhyung Kim <namhyung@...nel.org>,
        Florian Fainelli <f.fainelli@...il.com>,
        Robert Richter <rric@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Jason Cooper <jason@...edaemon.net>,
        Marc Zyngier <maz@...nel.org>,
        Paul Burton <paulburton@...nel.org>,
        Allison Randal <allison@...utok.net>,
        Enrico Weigelt <info@...ux.net>,
        Kate Stewart <kstewart@...uxfoundation.org>,
        Vladimir Kondratiev <vladimir.kondratiev@...el.com>,
        Alexios Zavras <alexios.zavras@...el.com>,
        Paul Cercueil <paul@...pouillou.net>,
        Zhou Yanjie <zhouyanjie@...o.com>,
        " 周琰杰 (Zhou Yanjie)" <zhouyanjie@...yeetech.com>,
        YunQiang Su <syq@...ian.org>, Arnd Bergmann <arnd@...db.de>,
        Serge Semin <fancer.lancer@...il.com>,
        Matt Redfearn <matt.redfearn@...s.com>,
        Richard Fontana <rfontana@...hat.com>,
        Steve Winslow <swinslow@...il.com>,
        afzal mohammed <afzal.mohd.ma@...il.com>,
        Peter Xu <peterx@...hat.com>,
        Mike Rapoport <rppt@...ux.ibm.com>,
        Kamal Dasu <kdasu.kdev@...il.com>,
        Oleksij Rempel <linux@...pel-privat.de>,
        linux-kernel@...r.kernel.org,
        bcm-kernel-feedback-list@...adcom.com, oprofile-list@...ts.sf.net,
        linux-pm@...r.kernel.org
Subject: Re: [PATCH v2 01/11] MIPS: setup: Drop prefill_possible_map

On Tue, 14 Apr 2020 09:21:36 +0100
Sudeep Holla <sudeep.holla@....com> wrote:

> On Sun, Apr 12, 2020 at 11:20:31AM +0800, Jiaxun Yang wrote:
> > All the plat_smp_setup are setting up possible cpus in their
> > platform code. So prefill_possible_map is actually overwriting
> > platform's setup, which seems unreasonable.
> >   
> 
> Why don't you rearrange the code so that this still remains as is and
> the platforms can override if they need. If you do so, you don't need
> the change in 04/11 as I suggested previously.

Actually this code break a case that cpumask is not continuous.
It do happen on some MIPS platforms.

Yes. rearrange this is a option but I think it is making the logic
unnecessarily complex.

If you think that's better I'll do so.

Thanks.
> 

--
Jiaxun Yang