linux-kernel - Re: [PATCH v1] ARM: A9: Add ARM ERRATA 764319 workaround

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: <CAK8P3a1GX=PgJU8UtH2u1yj0STFMv+9tr+pZBV4vvW+1iEQLDg@mail.gmail.com>
Date:   Wed, 11 May 2022 16:31:51 +0200
From:   Arnd Bergmann <arnd@...db.de>
To:     "Russell King (Oracle)" <linux@...linux.org.uk>
Cc:     Arnd Bergmann <arnd@...db.de>,
        "Hawkins, Nick" <nick.hawkins@....com>,
        Will Deacon <will@...nel.org>,
        "Verdun, Jean-Marie" <verdun@....com>,
        Mark Rutland <mark.rutland@....com>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Joel Stanley <joel@....id.au>
Subject: Re: [PATCH v1] ARM: A9: Add ARM ERRATA 764319 workaround

On Wed, May 11, 2022 at 4:28 PM Russell King (Oracle)
<linux@...linux.org.uk> wrote:
>
> On Wed, May 11, 2022 at 02:45:27PM +0200, Arnd Bergmann wrote:
> > If it doesn't work, then there is no point trying. You could try
> > changing the exception handling so it searches the ex_table for
> > Undefined Instruction exceptions as well, but that's probably more
> > complicated.
>
> What's the point when we have the undef hook?

It seemed a little easier to follow the code flow if things are in
one place.

        Arnd