From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Learning Linux" Subject: Why can't we sleep in an ISR? Date: Mon, 14 May 2007 12:07:12 +0530 Message-ID: <9f1dc2cf0705132337k13aa3ccesc575d4550492a24e@mail.gmail.com> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: DKIM-Signature: a=rsa-sha1; c=relaxed/relaxed; d=gmail.com; s=beta; h=domainkey-signature:received:received:message-id:date:from:to:subject:cc:mime-version:content-type:content-transfer-encoding:content-disposition; b=KikVC2vgJsptso6tQFYW0JeCuuMu9DOe1uTk5gFgcp71JawvcgeF1ZynPQZvmM2/WtOzQcI3WXGPjaPbEiBJ5GfL6Y4bHSH4VOf0VGD2B9UQrGNPemjXLIDo1sW3Pq9+a1BxYkFCdDFrFWlJDPQBPgcS/DobIl/eYKoHzZ9TDxU= Content-Disposition: inline Sender: linux-newbie-owner@vger.kernel.org List-Id: Content-Type: text/plain; charset="us-ascii"; format="flowed" To: kernelnewbies@nl.linux.org, linux-newbie@vger.kernel.org Cc: linux-kernel@vger.kernel.org I have a very basic doubt here ... what makes it impossible to sleep in an ISR? I mean, I know that the kernel preemption is disabled and the kernel will panic, but I could not understand why? TIA, LL - 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