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

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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