mirror of https://lore.kernel.org/lkml/
 help / color / mirror / Atom feed
From: "Remy Bohmer" <linux@bohmer.net>
To: "Steven Rostedt" <rostedt@goodmis.org>
Cc: linux-kernel <linux-kernel@vger.kernel.org>,
	"Thomas Gleixner" <tglx@linutronix.de>,
	"Ingo Molnar" <mingo@elte.hu>,
	RT <linux-rt-users@vger.kernel.org>,
	"Daniel Walker" <dwalker@mvista.com>,
	"Russell King" <rmk+lkml@arm.linux.org.uk>
Subject: Re: [PATCH RT] Revert Softdisable for simple irqs.
Date: Wed, 12 Dec 2007 21:05:06 +0100	[thread overview]
Message-ID: <3efb10970712121205s7fcda39dt7cfa154c53f3eecb@mail.gmail.com> (raw)
In-Reply-To: <Pine.LNX.4.58.0712121436260.21795@gandalf.stny.rr.com>

Hello Steven,

>
> In commit 76d2160147f43f982dfe881404cfde9fd0a9da21 lazy irq disabling
> was implemented, and the simple irq handler had a masking set to it.
>
> Remy Bohmer discovered that some devices in the ARM architecture
> would trigger the mask, but never unmask it. His patch to do the
> unmasking was questioned by Russell King about masking simple irqs
> to begin with. Looking further, it was discovered that the problems
> Remy was seeing was due to improper use of the simple handler by
> devices, and he later submitted patches to fix those. But the issue
> that was uncovered was that the simple handler should never mask.
>
> This patch reverts the masking in the simple handler.

Also:
Acked-by: Remy Bohmer <linux@bohmer.net>

Thanks for the effort also, I still had it on my todo list, but that
is needed anymore...

Remy

  parent reply	other threads:[~2007-12-12 20:05 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-11-26 13:31 [PATCH PREEMPT_RT]: On AT91 ARM: GPIO Interrupt handling can/will stall forever Remy Bohmer
2007-11-26 13:45 ` Remy Bohmer
2007-11-27 15:11   ` Steven Rostedt
2007-11-27 15:25     ` Daniel Walker
2007-11-27 15:53       ` Daniel Walker
2007-11-28 14:38         ` Remy Bohmer
2007-11-28 15:36           ` Daniel Walker
2007-11-28 17:25           ` Russell King - ARM Linux
2007-11-28 19:04             ` Steven Rostedt
2007-11-28 20:05               ` Russell King - ARM Linux
2007-11-28 20:16                 ` Steven Rostedt
2007-11-28 20:44                   ` Daniel Walker
2007-11-28 21:13                     ` Steven Rostedt
2007-11-28 23:03                       ` Russell King - ARM Linux
2007-11-28 23:19                         ` Daniel Walker
2007-11-29  9:04                           ` Russell King - ARM Linux
2007-11-29 10:14                   ` Remy Bohmer
2007-11-29 10:25                     ` Russell King - ARM Linux
2007-11-29 11:27                       ` Remy Bohmer
2007-11-29 13:36                         ` Russell King - ARM Linux
2007-11-29 13:57                           ` Steven Rostedt
2007-11-29 14:18                           ` Remy Bohmer
2007-11-29 14:29                             ` Russell King - ARM Linux
2007-11-29 15:33                               ` Remy Bohmer
2007-11-29 16:20                                 ` Remy Bohmer
2007-11-29 16:30                                 ` Steven Rostedt
2007-11-30 21:44                           ` Thomas Gleixner
2007-12-12 19:40         ` [PATCH RT] Revert Softdisable for simple irqs Steven Rostedt
2007-12-12 19:46           ` Russell King
2007-12-12 20:05           ` Remy Bohmer [this message]
2007-12-12 20:27             ` Steven Rostedt
2007-12-12 21:38               ` Remy Bohmer
     [not found] ` <87bq9fqpoi.fsf@vence.hilman.org>
2007-11-28 14:43   ` [PATCH PREEMPT_RT]: On AT91 ARM: GPIO Interrupt handling can/will stall forever Remy Bohmer

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=3efb10970712121205s7fcda39dt7cfa154c53f3eecb@mail.gmail.com \
    --to=linux@bohmer.net \
    --cc=dwalker@mvista.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-rt-users@vger.kernel.org \
    --cc=mingo@elte.hu \
    --cc=rmk+lkml@arm.linux.org.uk \
    --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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox

all inboxes | Powered by JetHome®