From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Date: Mon, 3 May 2010 15:04:47 +1000 From: Paul Mackerras To: "K.Prasad" Subject: Re: [Patch 1/2] PPC64-HWBKPT: Disable interrupts for data breakpoint exceptions Message-ID: <20100503050447.GA19365@drongo> References: <20100414033555.746326035@pr> <20100414034809.GB6571@in.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <20100414034809.GB6571@in.ibm.com> Cc: Michael Neuling , Benjamin Herrenschmidt , shaggy@linux.vnet.ibm.com, Frederic Weisbecker , David Gibson , "linuxppc-dev@ozlabs.org" , Alan Stern , Roland McGrath List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Wed, Apr 14, 2010 at 09:18:09AM +0530, K.Prasad wrote: > Data address breakpoint exceptions are currently handled along with page-faults > which require interrupts to remain in enabled state. Since exception handling > for data breakpoints aren't pre-empt safe, we handle them separately. > > Signed-off-by: K.Prasad Acked-by: Paul Mackerras