linux-kernel - Re: [PATCH v3] riscv: make sure the cores stay looping in .Lsecondary

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] [day] [month] [year] [list]

Message-ID: <CAHCEeh+utXxqF65rtvRJXq6cPDjCcwpAeUaiD1pSpGGMFXRT9Q@mail.gmail.com>
Date:   Wed, 15 Jan 2020 15:06:51 +0800
From:   Greentime Hu <greentime.hu@...ive.com>
To:     Paul Walmsley <paul.walmsley@...ive.com>
Cc:     Gt <green.hu@...il.com>, greentime@...nel.org,
        Palmer Dabbelt <palmer@...belt.com>,
        linux-riscv <linux-riscv@...ts.infradead.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Andreas Schwab <schwab@...e.de>,
        Anup Patel <anup@...infault.org>
Subject: Re: [PATCH v3] riscv: make sure the cores stay looping in .Lsecondary_park

On Wed, Jan 15, 2020 at 6:55 AM Paul Walmsley <paul.walmsley@...ive.com> wrote:
>
> Hi Greentime,
>
> On Tue, 14 Jan 2020, Greentime Hu wrote:
>
> > I think it is because the sections are too far for bqeu to jump and
> > the config I used just small enough for it to jump so I didn't see
> > this bug. Sorry about that.
>
> No problem.
>
> > I tried this fix to boot in Unleashed board.
> >
> >  #ifdef CONFIG_SMP
> >         li t0, CONFIG_NR_CPUS
> > -       bgeu a0, t0, .Lsecondary_park
> > +       blt a0, t0, .Lgood_cores
> > +       tail .Lsecondary_park
> > +.Lgood_cores:
> >  #endif
>
> Looks reasonable to me.  Care to update and repost the patch?

Yes, Paul. I have sent the v4 patch.
It is tested in Unleashed board.