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From: "Mike Frysinger" <vapier.adi@gmail.com>
To: fundu_1999@yahoo.com
Cc: linux embedded <linux-embedded@vger.kernel.org>
Subject: Re: local_save_flags(flags)
Date: Tue, 23 Sep 2008 19:11:03 -0400	[thread overview]
Message-ID: <8bd0f97a0809231611y48102c29u66e6f8b9f483a726@mail.gmail.com> (raw)
In-Reply-To: <903542.11891.qm@web63401.mail.re1.yahoo.com>

On Tue, Sep 23, 2008 at 16:01, Fundu wrote:
>> > 2) so is disable interrupts twice is a problem, or just
>> enabling them after they are disabled (which sounds like
>> how it should be) a problem.
>>
>> both are a problem.  the non-state saving version cannot be
>> used
>> recursively nor in parallel to the state-saving version.
>
> Much clear now, Thanks Mike!
>
> here's a follow up question.
>
> what about Non maskable interrupts ? disabling interrupt won't have any effect on that right ?

that really doesnt make sense by definition huh.  non-maskable means
they cant be masked.
-mike

  reply	other threads:[~2008-09-23 23:11 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <556445368AFA1C438794ABDA8901891C098AABE6@USA0300MS03.na.xerox.net>
2008-09-18 21:09 ` local_save_flags(flags) Fundu
2008-09-18 21:15   ` local_save_flags(flags) Mike Frysinger
2008-09-18 22:05     ` local_save_flags(flags) Fundu
2008-09-18 22:07       ` local_save_flags(flags) Mike Frysinger
2008-09-18 22:45         ` local_save_flags(flags) Fundu
2008-09-18 22:51           ` local_save_flags(flags) Mike Frysinger
2008-09-23 20:01             ` local_save_flags(flags) Fundu
2008-09-23 23:11               ` Mike Frysinger [this message]
2008-09-24  1:15                 ` local_save_flags(flags) Fundu
2008-09-24  1:31                   ` local_save_flags(flags) Mike Frysinger
2008-09-24 17:06                     ` local_save_flags(flags) Fundu
2008-09-29  3:32                       ` local_save_flags(flags) Robin Getz
2008-09-19  9:52           ` local_save_flags(flags) Daniel THOMPSON
2008-09-18 18:48 local_save_flags(flags) Fundu

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