RE: Clearing DBSR and DBCR0 in host handler.

2013-04-03 Thread Bhushan Bharat-R65777
> -Original Message- > From: Kumar Gala [mailto:ga...@kernel.crashing.org] > Sent: Wednesday, April 03, 2013 9:41 PM > To: Bhushan Bharat-R65777 > Cc: linuxppc-dev@lists.ozlabs.org; Benjamin Herrenschmidt; Alexander Graf; > Wood > Scott-B07421 > Subject: Re: Cl

Re: Clearing DBSR and DBCR0 in host handler.

2013-04-03 Thread Kumar Gala
On Apr 3, 2013, at 10:24 AM, Bhushan Bharat-R65777 wrote: > Hi All, > > The kernel exception handling code for 32 bit (transfer_to_handler in > entry_32.S) clear DBSR and load DBCR0 with 0 (global_dbcr0 variable, which is > zero) if user space used debug (DBCR0.IDM set). > > But I do not same