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Re: [PATCH v2 -rt] ide: workaround buggy hardware issues with preemptable hardirqs
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From:
Anton Vorontsov <avorontsov@...>
To: Sergei Shtylyov <sshtylyov@...>
Cc: Alan Cox <alan@...>, Ingo Molnar <mingo@...>, <linux-ide@...>, Bartlomiej Zolnierkiewicz <bzolnier@...>, <linux-kernel@...>, Thomas Gleixner <tglx@...>, Steven Rostedt <rostedt@...>, Daniel Walker <dwalker@...>
Subject:
Re: [PATCH v2 -rt] ide: workaround buggy hardware issues with preemptable hardirqs
Date: Sunday, June 29, 2008 - 10:23 am
On Sun, Jun 29, 2008 at 05:17:38PM +0400, Sergei Shtylyov wrote:
quoted text
> 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 :-).
Yes, we don't use 8259 for the IDE interrupt. -- Anton Vorontsov email:
cbouatmailru@gmail.com
irc://irc.freenode.net/bd2 --
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Messages in current thread:
[PATCH -rt] ide: fix interrupts processing issue with preemp...
, Anton Vorontsov
, (Mon Jun 23, 7:40 pm)
Re: [PATCH -rt] ide: fix interrupts processing issue with pr...
, Anton Vorontsov
, (Mon Jun 23, 7:52 pm)
Re: [PATCH -rt] ide: fix interrupts processing issue with pr...
, Ingo Molnar
, (Mon Jun 23, 7:51 pm)
Re: [PATCH -rt] ide: fix interrupts processing issue with pr...
, Anton Vorontsov
, (Mon Jun 23, 8:00 pm)
Re: [PATCH -rt] ide: fix interrupts processing issue with pr...
, Anton Vorontsov
, (Wed Jun 25, 8:34 am)
[PATCH v2 -rt] ide: workaround buggy hardware issues with pr...
, Anton Vorontsov
, (Fri Jun 27, 8:54 pm)
Re: [PATCH v2 -rt] ide: workaround buggy hardware issues wit...
, Benjamin Herrenschmidt
, (Sun Jun 29, 7:26 pm)
[RT] MPIC edge sensitive issues with hardirq preemption (was...
, Anton Vorontsov
, (Mon Jun 30, 3:01 pm)
Re: [RT] MPIC edge sensitive issues with hardirq preemption
, Sergei Shtylyov
, (Tue Jul 1, 6:41 am)
Re: [RT] MPIC edge sensitive issues with hardirq preemption
, Anton Vorontsov
, (Tue Jul 1, 7:34 am)
Re: [RT] MPIC edge sensitive issues with hardirq preemption ...
, Benjamin Herrenschmidt
, (Mon Jun 30, 5:59 pm)
Re: [RT] MPIC edge sensitive issues with hardirq preemption ...
, Anton Vorontsov
, (Mon Jun 30, 6:37 pm)
Re: [PATCH v2 -rt] ide: workaround buggy hardware issues wit...
, Sergei Shtylyov
, (Sat Jun 28, 6:30 am)
Re: [PATCH v2 -rt] ide: workaround buggy hardware issues wit...
, Anton Vorontsov
, (Sat Jun 28, 7:31 am)
Re: [PATCH v2 -rt] ide: workaround buggy hardware issues wit...
, Sergei Shtylyov
, (Sat Jun 28, 7:52 am)
Re: [PATCH v2 -rt] ide: workaround buggy hardware issues wit...
, Alan Cox
, (Sat Jun 28, 5:14 am)
Re: [PATCH v2 -rt] ide: workaround buggy hardware issues wit...
, Sergei Shtylyov
, (Sat Jun 28, 6:43 am)
Re: [PATCH v2 -rt] ide: workaround buggy hardware issues wit...
, Alan Cox
, (Sun Jun 29, 8:49 am)
Re: [PATCH v2 -rt] ide: workaround buggy hardware issues wit...
, Sergei Shtylyov
, (Sun Jun 29, 9:17 am)
Re: [PATCH v2 -rt] ide: workaround buggy hardware issues wit...
, Anton Vorontsov
, (Sun Jun 29, 10:23 am)
Re: [PATCH v2 -rt] ide: workaround buggy hardware issues wit...
, Anton Vorontsov
, (Fri Jun 27, 9:09 pm)
Re: [PATCH v2 -rt] ide: workaround buggy hardware issues wit...
, Alan Cox
, (Sat Jun 28, 5:15 am)
Re: [PATCH -rt] ide: fix interrupts processing issue with pr...
, Sergei Shtylyov
, (Wed Jun 25, 9:15 am)
Re: [PATCH -rt] ide: fix interrupts processing issue with pr...
, Anton Vorontsov
, (Wed Jun 25, 10:22 am)
Re: [PATCH -rt] ide: fix interrupts processing issue with pr...
, Anton Vorontsov
, (Wed Jun 25, 10:59 am)
Re: [PATCH -rt] ide: fix interrupts processing issue with pr...
, Alan Cox
, (Wed Jun 25, 10:32 am)
Re: [PATCH -rt] ide: fix interrupts processing issue with pr...
, Anton Vorontsov
, (Wed Jun 25, 11:26 am)
Re: [PATCH -rt] ide: fix interrupts processing issue with pr...
, Alan Cox
, (Wed Jun 25, 8:32 am)
Re: [PATCH -rt] ide: fix interrupts processing issue with pr...
, Anton Vorontsov
, (Wed Jun 25, 10:12 am)
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