From: Sergei Shtylyov <sshtylyov@ru.mvista.com>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: avorontsov@ru.mvista.com, Ingo Molnar <mingo@elte.hu>,
linux-ide@vger.kernel.org,
Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>,
linux-kernel@vger.kernel.org,
Thomas Gleixner <tglx@linutronix.de>,
Steven Rostedt <rostedt@goodmis.org>,
Daniel Walker <dwalker@mvista.com>
Subject: Re: [PATCH v2 -rt] ide: workaround buggy hardware issues with preemptable hardirqs
Date: Sun, 29 Jun 2008 17:17:38 +0400 [thread overview]
Message-ID: <48678B72.4000706@ru.mvista.com> (raw)
In-Reply-To: <20080629134943.19b94bd2@lxorguk.ukuu.org.uk>
Alan Cox wrote:
>> His boot log shows the native mode.
> Then the bridge is misprogrammed
>> What's IDEIRT, some ISA bridge register? And why should one set
>>[A]PIC to level mode for legacy mode IDE? :-O
> You need an NDA and then they'll send you the data sheet for the bridges
> and other logic. It's all programmable.
That could be a very long story... :-|
> "He has an OpenPIC, it's PowerPC SoC, so no ELCR either"
> Really - he's using a designed for PC ISA bridge etc.. he might have all
> sorts of stuff on it.
Ah, indeed. I meant to say that 8259 and ELCR are bypassed for PCI IRQs (or
at least Anton says so :-).
> Alan
MBR, Sergei
next prev parent reply other threads:[~2008-06-29 13:17 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-06-23 23:40 [PATCH -rt] ide: fix interrupts processing issue with preempt-able hardirqs Anton Vorontsov
2008-06-23 23:51 ` Ingo Molnar
2008-06-24 0:00 ` Anton Vorontsov
2008-06-25 12:34 ` Anton Vorontsov
2008-06-25 12:32 ` Alan Cox
2008-06-25 14:12 ` Anton Vorontsov
2008-06-25 13:15 ` Sergei Shtylyov
2008-06-25 14:22 ` Anton Vorontsov
2008-06-25 14:32 ` Alan Cox
2008-06-25 15:26 ` Anton Vorontsov
2008-06-25 14:59 ` Anton Vorontsov
2008-06-28 0:54 ` [PATCH v2 -rt] ide: workaround buggy hardware issues with preemptable hardirqs Anton Vorontsov
2008-06-28 1:09 ` Anton Vorontsov
2008-06-28 9:15 ` Alan Cox
2008-06-28 9:14 ` Alan Cox
2008-06-28 10:43 ` Sergei Shtylyov
2008-06-29 12:49 ` Alan Cox
2008-06-29 13:17 ` Sergei Shtylyov [this message]
2008-06-29 14:23 ` Anton Vorontsov
2008-06-28 10:30 ` Sergei Shtylyov
2008-06-28 11:31 ` Anton Vorontsov
2008-06-28 11:52 ` Sergei Shtylyov
2008-06-29 23:26 ` Benjamin Herrenschmidt
2008-06-30 19:01 ` [RT] MPIC edge sensitive issues with hardirq preemption (was: Re: [PATCH v2 -rt] ide: workaround buggy hardware issues with preemptable hardirqs) Anton Vorontsov
2008-06-30 21:59 ` Benjamin Herrenschmidt
2008-06-30 22:37 ` Anton Vorontsov
2008-07-01 10:41 ` [RT] MPIC edge sensitive issues with hardirq preemption Sergei Shtylyov
2008-07-01 11:34 ` Anton Vorontsov
2008-06-23 23:52 ` [PATCH -rt] ide: fix interrupts processing issue with preempt-able hardirqs Anton Vorontsov
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=48678B72.4000706@ru.mvista.com \
--to=sshtylyov@ru.mvista.com \
--cc=alan@lxorguk.ukuu.org.uk \
--cc=avorontsov@ru.mvista.com \
--cc=bzolnier@gmail.com \
--cc=dwalker@mvista.com \
--cc=linux-ide@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@elte.hu \
--cc=rostedt@goodmis.org \
--cc=tglx@linutronix.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.