From: Benjamin Herrenschmidt <bh40@calva.net>
To: <mlan@cpu.lu>
Cc: <linuxppc-dev@lists.linuxppc.org>, <andre@linux-ide.org>
Subject: Re: ide_delay_50ms() freezing on PPC?
Date: Tue, 27 Jun 2000 10:30:03 +0200 [thread overview]
Message-ID: <20000627083003.23370@mailhost.mipsys.com> (raw)
In-Reply-To: <200006262005.WAA00763@piglet.grunz.lu>
On Mon, Jun 26, 2000, Michel Lanners <mlan@cpu.lu> wrote:
>Hi Andre,
>
>On 25 Jun, this message from Andre Hedrick echoed through cyberspace:
>> Then we need braoder stubs.
>> Got a suggestion?
>
>No... before suggesting anything, I'd like to understand why the loop
>doesn't work on PPC (only on PPC?), and why the use of
>schedule_timeout() depends on PCMCIA ide devices....
Michel,
Can you check the generated code for the loop ? Does it actually re-dead
jiffies from memory or not ? (Did the compiler wrongly tried to optimise
it ?).
Also check jiffies is correctly declared volatile
Ben.
** Sent via the linuxppc-dev mail list. See http://lists.linuxppc.org/
next prev parent reply other threads:[~2000-06-27 8:30 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2000-06-25 18:13 ide_delay_50ms() freezing on PPC? Michel Lanners
2000-06-26 5:29 ` Andre Hedrick
2000-06-26 20:04 ` Michel Lanners
2000-06-26 20:11 ` Andre Hedrick
2000-06-27 8:30 ` Benjamin Herrenschmidt [this message]
2000-06-29 6:02 ` Michel Lanners
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