From: jamie@shareable.org (Jamie Lokier)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] arm: remove unused code in delay.S
Date: Mon, 14 Sep 2009 01:21:00 +0100 [thread overview]
Message-ID: <20090914002100.GD30621@shareable.org> (raw)
In-Reply-To: <20090913230008.GC30169@n2100.arm.linux.org.uk>
Russell King - ARM Linux wrote:
> On Sun, Sep 13, 2009 at 11:28:47PM +0200, Marek Vasut wrote:
> > > bhi __delay
> > > mov pc, lr
> > > ENDPROC(__udelay)
> > >
> > Hi
> >
> > why was this code there in the first place ?
>
> To make the delay loop more stable and predictable on older CPUs.
So why has it been commented out, if it's needed for that?
-- Jamie
WARNING: multiple messages have this Message-ID (diff)
From: Jamie Lokier <jamie@shareable.org>
To: Russell King - ARM Linux <linux@arm.linux.org.uk>
Cc: Marek Vasut <marek.vasut@gmail.com>,
Felipe Contreras <felipe.contreras@gmail.com>,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH] arm: remove unused code in delay.S
Date: Mon, 14 Sep 2009 01:21:00 +0100 [thread overview]
Message-ID: <20090914002100.GD30621@shareable.org> (raw)
In-Reply-To: <20090913230008.GC30169@n2100.arm.linux.org.uk>
Russell King - ARM Linux wrote:
> On Sun, Sep 13, 2009 at 11:28:47PM +0200, Marek Vasut wrote:
> > > bhi __delay
> > > mov pc, lr
> > > ENDPROC(__udelay)
> > >
> > Hi
> >
> > why was this code there in the first place ?
>
> To make the delay loop more stable and predictable on older CPUs.
So why has it been commented out, if it's needed for that?
-- Jamie
next prev parent reply other threads:[~2009-09-14 0:21 UTC|newest]
Thread overview: 80+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-09-13 21:05 [PATCH] arm: remove unused code in delay.S Felipe Contreras
2009-09-13 21:05 ` Felipe Contreras
2009-09-13 21:28 ` Marek Vasut
2009-09-13 21:28 ` Marek Vasut
2009-09-13 23:00 ` Russell King - ARM Linux
2009-09-13 23:00 ` Russell King - ARM Linux
2009-09-14 0:21 ` Jamie Lokier [this message]
2009-09-14 0:21 ` Jamie Lokier
2009-09-14 8:10 ` Russell King - ARM Linux
2009-09-14 8:10 ` Russell King - ARM Linux
2009-09-14 12:58 ` Felipe Contreras
2009-09-14 12:58 ` Felipe Contreras
2009-09-14 14:00 ` Russell King - ARM Linux
2009-09-14 14:00 ` Russell King - ARM Linux
2009-09-14 14:38 ` Felipe Contreras
2009-09-14 14:38 ` Felipe Contreras
2009-09-14 14:40 ` Russell King - ARM Linux
2009-09-14 14:40 ` Russell King - ARM Linux
2009-09-14 15:14 ` Felipe Contreras
2009-09-14 15:14 ` Felipe Contreras
2009-09-14 15:21 ` Russell King - ARM Linux
2009-09-14 15:21 ` Russell King - ARM Linux
2009-09-14 15:50 ` Felipe Contreras
2009-09-14 15:50 ` Felipe Contreras
2009-09-14 16:25 ` Marek Vasut
2009-09-14 16:25 ` Marek Vasut
2009-09-14 16:54 ` Felipe Contreras
2009-09-14 16:54 ` Felipe Contreras
2009-09-14 15:36 ` Wolfram Sang
2009-09-14 15:36 ` Wolfram Sang
2009-09-14 16:06 ` Felipe Contreras
2009-09-14 16:06 ` Felipe Contreras
2009-09-14 16:24 ` Wolfram Sang
2009-09-14 16:24 ` Wolfram Sang
2009-09-15 10:37 ` Pavel Machek
2009-09-15 10:37 ` Pavel Machek
2009-09-15 10:47 ` Felipe Contreras
2009-09-15 10:47 ` Felipe Contreras
2009-09-15 10:49 ` Pavel Machek
2009-09-15 10:49 ` Pavel Machek
2009-09-15 11:20 ` Felipe Contreras
2009-09-15 11:20 ` Felipe Contreras
2009-09-15 12:29 ` Steve Chen
2009-09-15 12:29 ` Steve Chen
2009-09-15 13:41 ` Marek Vasut
2009-09-15 13:41 ` Marek Vasut
2009-09-15 16:30 ` Steve Chen
2009-09-15 16:30 ` Steve Chen
2009-09-15 18:58 ` Felipe Contreras
2009-09-15 18:58 ` Felipe Contreras
2009-09-15 19:44 ` Steve Chen
2009-09-15 19:44 ` Steve Chen
2009-09-15 20:39 ` Marek Vasut
2009-09-15 20:39 ` Marek Vasut
2009-09-15 21:04 ` Krzysztof Halasa
2009-09-15 21:04 ` Krzysztof Halasa
2009-09-15 22:26 ` Steve Chen
2009-09-15 22:26 ` Steve Chen
2009-09-15 22:47 ` Krzysztof Halasa
2009-09-15 22:47 ` Krzysztof Halasa
2009-09-16 8:26 ` Steve Chen
2009-09-16 8:26 ` Steve Chen
2009-09-16 12:30 ` Krzysztof Halasa
2009-09-16 12:30 ` Krzysztof Halasa
2009-09-16 14:49 ` Steve Chen
2009-09-16 14:49 ` Steve Chen
2009-09-16 20:21 ` Sergei Shtylyov
2009-09-16 20:21 ` Sergei Shtylyov
2009-09-16 13:47 ` Russell King - ARM Linux
2009-09-16 13:47 ` Russell King - ARM Linux
2009-09-17 19:32 ` Jamie Lokier
2009-09-17 19:32 ` Jamie Lokier
2009-09-17 19:41 ` Russell King - ARM Linux
2009-09-17 19:41 ` Russell King - ARM Linux
2009-09-17 21:29 ` [PATCH v2] " Steve Chen
2009-09-17 21:29 ` Steve Chen
2009-09-17 21:37 ` Jamie Lokier
2009-09-17 21:37 ` Jamie Lokier
2009-09-17 22:25 ` Steve Chen
2009-09-17 22:25 ` Steve Chen
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=20090914002100.GD30621@shareable.org \
--to=jamie@shareable.org \
--cc=linux-arm-kernel@lists.infradead.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 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.