FYI - how does it look now?
----- Forwarded message from Edson Seabra <Edson.Seabra at cyclades.com> ----- From: Edson Seabra <[EMAIL PROTECTED]> Date: Mon, 14 Nov 2005 12:11:19 -0800 To: "marcelo.tosatti" <Marcelo.Tosatti at cyclades.com> Subject: Re: BDI and 85xx Hi, Marcelo. I re-make the changes following the Dan suggestion. Can you check if he will accept them this time ? Thanks, -Edson. (See attached file: 8xx_gdb.diff) Dan Malek <dan at embeddededge.com> wrote on 11/07/2005 09:17:46 AM: > > On Nov 7, 2005, at 6:24 AM, Marcelo Tosatti wrote: > > > Edson had to patch this in to get BDI to work on 85xx with 2.6.14. > > How about we just change MSR_KERNEL and MSR_USER > in the include file #define instead of all of this run-time code? > Or, change the code so it preserves DE in general, so we don't > need a special kernel configuration just for the BDI? > > The original reason I did the BDI_SWITCH was due to the > overhead of tracking user PTE switches in the context switch > code. I don't like the way this has been overloaded to mean > "BDI general operation." We should be able to attach a BDI2000 > to any kernel configuration and always get kernel debugging > capability. The BDI_SWITCH was to enable the extra feature > (with some overhead) of debugging into user applications, > it never should have affected any kernel debug operation. > > It's unfortunate that Book-E is such a PITA for debuggers, > but let's please find a better way of using these features. > Separate kernel configurations to enable hardware > debugging isn't acceptable. > > Thanks. > > -- Dan > ----- End forwarded message -----
