From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Mike Frysinger" Subject: Re: local_save_flags(flags) Date: Tue, 23 Sep 2008 19:11:03 -0400 Message-ID: <8bd0f97a0809231611y48102c29u66e6f8b9f483a726@mail.gmail.com> References: <8bd0f97a0809181551u477911f6iccea3c74c6e6832d@mail.gmail.com> <903542.11891.qm@web63401.mail.re1.yahoo.com> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:message-id:date:from:to :subject:cc:in-reply-to:mime-version:content-type :content-transfer-encoding:content-disposition:references; bh=AmEisb6GESAe2ZAXwDh8FKyXKAqd3BqKl+v8PTj+PS8=; b=I5bKWUsdn9nxyljY/unPROD6qXofX6WDFIU1/3CdsXIthvWVrolpAlzO3KqA6qMA84 qz/NlhcjFmI8iSbuNq8XRJHUl1cgenvV5PuHlcagt26Vmy23rDEdOX+7iGkjQBuW5DuO mh2m5zxQvvo2xiBzsrRu61+PuS0KNamlLBdNI= In-Reply-To: <903542.11891.qm@web63401.mail.re1.yahoo.com> Content-Disposition: inline Sender: linux-embedded-owner@vger.kernel.org List-ID: Content-Type: text/plain; charset="us-ascii" To: fundu_1999@yahoo.com Cc: linux embedded 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