From: Ralf Baechle <ralf@linux-mips.org>
To: Thiemo Seufer <ths@networkno.de>
Cc: dmitry pervushin <dpervushin@ru.mvista.com>, linux-mips@linux-mips.org
Subject: Re: [PATCH] NEC EMMA2RH support
Date: Fri, 19 May 2006 11:52:52 +0100 [thread overview]
Message-ID: <20060519105252.GA4714@linux-mips.org> (raw)
In-Reply-To: <20060518111703.GA15601@networkno.de>
On Thu, May 18, 2006 at 12:17:04PM +0100, Thiemo Seufer wrote:
> > May be, I have
> > misunderstood the modern ways in linux kernel development, but I am
> > pretty sure that assembler interrupt handler will be faster than C
> > code.
>
> Only marginally, it doesn't outweigh the maintenance trouble.
Actually the average interrupt handler was sufficiently badly scheduled
such that the C written ones were usually better. Not only, gcc knows
alot of CPU specifics about scheduling, so the average interrupt should
now suffer from many less taken branches.
Ralf
next prev parent reply other threads:[~2006-05-19 10:53 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-05-18 10:00 [PATCH] NEC EMMA2RH support dmitry pervushin
2006-05-18 10:12 ` Martin Michlmayr
2006-05-18 10:34 ` dmitry pervushin
2006-05-18 10:54 ` Yoichi Yuasa
2006-05-18 11:08 ` dmitry pervushin
2006-05-18 11:17 ` Thiemo Seufer
2006-05-19 10:52 ` Ralf Baechle [this message]
2006-05-18 18:28 ` Ralf Baechle
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=20060519105252.GA4714@linux-mips.org \
--to=ralf@linux-mips.org \
--cc=dpervushin@ru.mvista.com \
--cc=linux-mips@linux-mips.org \
--cc=ths@networkno.de \
/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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.