From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Mulyadi Santosa" Subject: Re: MIssed interrupts Date: Thu, 7 Feb 2008 22:50:16 +0700 Message-ID: References: <7783925d0802062112r4637c674qf2d1dd356cc0923e@mail.gmail.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=LI+H2jO4OxdRcRj2Wrv9dNvoe8w991BHGrOmv/LdmcQ=; b=DYVMqZsFwqLJ6904u6ljbjmYyF8BNw1unuExpX2qS/FGWZsmpKhveH6k3/Xk2qDsyPnRCYXdZQjcKurwBa6KxpFc/ors9Y+9/nNyHq52F1M+tq68aOOBAod2OjCQkgW/UNUZSeqU72/Yps6R1nmEWNXDKsaNrPruaFfHd/jcNnM= In-Reply-To: <7783925d0802062112r4637c674qf2d1dd356cc0923e@mail.gmail.com> Content-Disposition: inline Sender: linux-newbie-owner@vger.kernel.org List-ID: Content-Type: text/plain; charset="us-ascii" To: Rick Brown Cc: kernelnewbies , linux-newbie@vger.kernel.org Hi.... On Feb 7, 2008 12:12 PM, Rick Brown wrote: > Hi, > > If a particual IRQ line has been disabled (disable_irq()), what > happens if the device on that IRQ line generates interrupt? Does it > result in missed interrupt? AFAIK at the time it's in disabled state...yes it will be missed. But once you enabled it again.... missing interrupts will be received. It is different when interrupt is masked...it will be simply ignored. regards. Mulyadi. - To unsubscribe from this list: send the line "unsubscribe linux-newbie" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.linux-learn.org/faqs