From: Michael Ellerman <mpe@ellerman.id.au>
To: christophe leroy <christophe.leroy@c-s.fr>,
linuxppc-dev <linuxppc-dev@lists.ozlabs.org>,
Paul Mackerras <paulus@samba.org>,
Scott Wood <scottwood@freescale.com>,
Joakim Tjernlund <joakim.tjernlund@transmode.se>,
Segher Boessenkool <segher@kernel.crashing.org>
Subject: Re: Time to get rid of CPU6 ERRATA on powerpc/8xx ?
Date: Mon, 08 Jan 2018 14:38:23 +1100 [thread overview]
Message-ID: <871sj12f68.fsf@concordia.ellerman.id.au> (raw)
In-Reply-To: <26b73379-141c-a705-a552-6ee2b94f4961@c-s.fr>
christophe leroy <christophe.leroy@c-s.fr> writes:
> Today, Linux kernel includes a workaround for CPU6 ERRATA on the 8xx
> powerpc.
>
> This ERRATA exists on the 801, the 823, the 855/860 before revision C.0
> It doesn't concern any modern versions of the 8xx, neither the 860 past
> and including rev C.0, nor the 866 nor the 885
>
> This workaround complicates the TLBmiss and TLBerror handlers and make
> the code more and more unreadable.
>
> Since this workaround addresses very old versions of the 8xx, I'd like
> to get rid of it. Do you see any good reason to keep it today ? If not I
> will come with a cleanup patch in the coming weeks.
I'm happy for you to remove it, and if someone notices and complains
loudly we can always put it back.
cheers
prev parent reply other threads:[~2018-01-08 3:38 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-01-07 16:23 Time to get rid of CPU6 ERRATA on powerpc/8xx ? christophe leroy
2018-01-07 16:43 ` Segher Boessenkool
2018-01-07 17:51 ` christophe leroy
2018-01-07 18:21 ` Segher Boessenkool
2018-01-07 18:34 ` Joakim Tjernlund
2018-01-08 3:38 ` Michael Ellerman [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=871sj12f68.fsf@concordia.ellerman.id.au \
--to=mpe@ellerman.id.au \
--cc=christophe.leroy@c-s.fr \
--cc=joakim.tjernlund@transmode.se \
--cc=linuxppc-dev@lists.ozlabs.org \
--cc=paulus@samba.org \
--cc=scottwood@freescale.com \
--cc=segher@kernel.crashing.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox