From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Mike Frysinger" Subject: Re: local_save_flags(flags) Date: Tue, 23 Sep 2008 21:31:05 -0400 Message-ID: <8bd0f97a0809231831r6bc6d8c2o6189bedc8d7da89e@mail.gmail.com> References: <8bd0f97a0809231611y48102c29u66e6f8b9f483a726@mail.gmail.com> <657652.92650.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=UqFXvVL/dT5FW8BPkceyUuy/tTnpkDoNQS4/bG4qqac=; b=nujBwXJ7zaEcXf4ODwISVrN6js8mAXbjFOBsXf6N6iF+Gn5iRAdZQbSvD5XqB7NZE+ EBXUomdkbPWC+F6z8wQS3MkayDdO8PZkxFaMMYFb/nDCdpQFuRFb6oDjxGrynvsZYITI rIaNyDfOjatRDwoXsdJvcirGftrSJj3cKtFos= In-Reply-To: <657652.92650.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 21:15, Fundu wrote: >>> 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. > > yeah thats the point. i should have elaborated more. > then there's no guarantee that your code wont be interrupted ? design your system properly and it wont be an issue > typically what NMI interrupt does a embedded system have ? it depends on the processor and the kernel configuration. i can tell you about the Blackfin processor, but i doubt you're using that. -mike