From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Tsutomu OWA <tsutomu.owa@toshiba.co.jp>
Cc: linuxppc-dev@ozlabs.org, Thomas Gleixner <tglx@linutronix.de>,
mingo@elte.hu, Arnd Bergmann <arnd@arndb.de>,
linux-kernel@vger.kernel.org
Subject: Re: [patch 4/4] powerpc 2.6.21-rt1: reduce scheduling latency by changing tlb flush size
Date: Tue, 15 May 2007 17:34:12 +1000 [thread overview]
Message-ID: <1179214452.32247.170.camel@localhost.localdomain> (raw)
In-Reply-To: <yyir6pi67yd.wl@toshiba.co.jp>
On Tue, 2007-05-15 at 13:12 +0900, Tsutomu OWA wrote:
> > With this code, you get silent side-effects of enabling PPC_CELLEB
> > along with another platform.
>
> Yeah, thank you for pointing it out.
> I'll send revised patch later.
>
> > Maybe instead you should change the hpte_need_flush() to always flush
> > when running on the celleb platform and PREEMPT_RT is enabled.
>
> Hmm... Is it in linux-2.6.21? grep'ing it did not help...
>
> Is http://patchwork.ozlabs.org/linuxppc/patch?id=10361 is the first place
> where the hpte_need_flush() appears?
Yes, I added that when reworking the batching mecanism.
Ben.
next prev parent reply other threads:[~2007-05-15 7:34 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-05-14 6:22 [patch 0/4] powerpc 2.6.21-rt1: fix build a breakage and some minor issues Tsutomu OWA
2007-05-14 6:26 ` [patch 1/4] powerpc 2.6.21-rt1: fix a build breakage by adding __raw_*_relax() macros Tsutomu OWA
2007-05-14 6:28 ` [patch 2/4] powerpc 2.6.21-rt1: convert spinlocks to raw ones for Celleb Tsutomu OWA
2007-05-14 6:29 ` [patch 3/4] powerpc 2.6.21-rt1: add a need_resched_delayed() check Tsutomu OWA
2007-05-14 6:30 ` [patch 0/4] powerpc 2.6.21-rt1: reduce scheduling latency by changing tlb flush size Tsutomu OWA
2007-05-14 6:38 ` [patch 4/4] " Tsutomu OWA
2007-05-14 6:51 ` Thomas Gleixner
2007-05-14 7:28 ` Tsutomu OWA
2007-05-14 14:40 ` Arnd Bergmann
2007-05-15 4:12 ` Tsutomu OWA
2007-05-15 7:34 ` Benjamin Herrenschmidt [this message]
2007-05-15 6:27 ` Tsutomu OWA
2007-05-15 7:38 ` Benjamin Herrenschmidt
2007-05-15 8:08 ` Tsutomu OWA
2007-05-15 8:40 ` Benjamin Herrenschmidt
2007-05-15 7:23 ` Benjamin Herrenschmidt
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=1179214452.32247.170.camel@localhost.localdomain \
--to=benh@kernel.crashing.org \
--cc=arnd@arndb.de \
--cc=linux-kernel@vger.kernel.org \
--cc=linuxppc-dev@ozlabs.org \
--cc=mingo@elte.hu \
--cc=tglx@linutronix.de \
--cc=tsutomu.owa@toshiba.co.jp \
/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;
as well as URLs for NNTP newsgroup(s).