From: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
To: Toshi Kani <toshi.kani@hp.com>
Cc: Ingo Molnar <mingo@kernel.org>,
hpa@zytor.com, tglx@linutronix.de, mingo@redhat.com,
akpm@linuxfoundation.org, arnd@arndb.de, linux-mm@kvack.org,
linux-kernel@vger.kernel.org, jgross@suse.com,
stefan.bader@canonical.com, luto@amacapital.net,
konrad.wilk@oracle.com
Subject: Re: [PATCH 1/5] x86, mm, pat: Set WT to PA4 slot of PAT MSR
Date: Sun, 7 Sep 2014 10:58:50 -0300 [thread overview]
Message-ID: <20140907135850.GA23026@khazad-dum.debian.net> (raw)
In-Reply-To: <1409925023.28990.176.camel@misato.fc.hp.com>
On Fri, 05 Sep 2014, Toshi Kani wrote:
> On Fri, 2014-09-05 at 12:23 +0200, Ingo Molnar wrote:
> > Any reason why we have to create such a sharp boundary, instead
> > of simply saying: 'disable PAT on all x86 CPU families that have
> > at least one buggy model'?
> >
> > That would nicely sort out all the broken CPUs, and would make it
> > highly unlikely that we'd accidentally forget about a model or
> > two.
>
> Agreed. I will disable this feature on all Pentium 4 models as well. I
> do not think there is any necessity to enable it on Pentium 4.
Thank you. That takes care of my misguivings about enabling this on aging
platforms as well.
--
"One disk to rule them all, One disk to find them. One disk to bring
them all and in the darkness grind them. In the Land of Redmond
where the shadows lie." -- The Silicon Valley Tarot
Henrique Holschuh
--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@kvack.org. For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>
next prev parent reply other threads:[~2014-09-07 13:59 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-04 18:35 [PATCH 0/5] Support Write-Through mapping on x86 Toshi Kani
2014-09-04 18:35 ` [PATCH 1/5] x86, mm, pat: Set WT to PA4 slot of PAT MSR Toshi Kani
2014-09-04 20:11 ` Henrique de Moraes Holschuh
2014-09-04 20:21 ` H. Peter Anvin
2014-09-04 23:19 ` Henrique de Moraes Holschuh
2014-09-04 23:34 ` Andy Lutomirski
2014-09-05 0:29 ` Toshi Kani
2014-09-05 0:51 ` Andy Lutomirski
2014-09-05 14:00 ` Toshi Kani
2014-09-05 15:07 ` H. Peter Anvin
2014-09-05 15:22 ` Toshi Kani
2014-09-05 15:41 ` H. Peter Anvin
2014-09-05 15:42 ` Toshi Kani
2014-09-12 19:25 ` Konrad Rzeszutek Wilk
2014-09-12 20:03 ` Andy Lutomirski
2014-09-12 20:21 ` Konrad Rzeszutek Wilk
2014-09-04 20:31 ` Toshi Kani
2014-09-04 20:50 ` Andy Lutomirski
2014-09-04 23:27 ` Toshi Kani
2014-09-05 10:23 ` Ingo Molnar
2014-09-05 13:50 ` Toshi Kani
2014-09-07 13:58 ` Henrique de Moraes Holschuh [this message]
2014-09-04 18:35 ` [PATCH 2/5] x86, mm, pat: Change reserve_memtype() to handle WT Toshi Kani
2014-09-04 18:35 ` [PATCH 3/5] x86, mm, asm-gen: Add ioremap_wt() for WT Toshi Kani
2014-09-04 18:35 ` [PATCH 4/5] x86, mm: Add set_memory_wt() " Toshi Kani
2014-09-04 18:57 ` Andy Lutomirski
2014-09-04 18:57 ` Toshi Kani
2014-09-04 19:14 ` Andy Lutomirski
2014-09-04 19:30 ` Toshi Kani
2014-09-07 8:49 ` Yigal Korman
2014-09-07 16:49 ` Andy Lutomirski
2014-09-08 15:07 ` Toshi Kani
2014-09-08 17:23 ` Andy Lutomirski
2014-09-08 18:42 ` Toshi Kani
2014-09-04 18:35 ` [PATCH 5/5] x86, mm, pat: Add pgprot_writethrough() " Toshi Kani
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=20140907135850.GA23026@khazad-dum.debian.net \
--to=hmh@hmh.eng.br \
--cc=akpm@linuxfoundation.org \
--cc=arnd@arndb.de \
--cc=hpa@zytor.com \
--cc=jgross@suse.com \
--cc=konrad.wilk@oracle.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=luto@amacapital.net \
--cc=mingo@kernel.org \
--cc=mingo@redhat.com \
--cc=stefan.bader@canonical.com \
--cc=tglx@linutronix.de \
--cc=toshi.kani@hp.com \
/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