Re: [PATCH v2 08/18] x86/dumpstack: Handle stack overflow on all stacks

2017-11-23 Thread Borislav Petkov
On Tue, Nov 21, 2017 at 08:44:03PM -0800, Andy Lutomirski wrote: > We currently special-case stack overflow on the task stack. We're > going to start putting special stacks in the fixmap with a custom > layout, so they'll have guard pages, too. Teach the unwinder to be > able to unwind an overflo

[PATCH v2 08/18] x86/dumpstack: Handle stack overflow on all stacks

2017-11-21 Thread Andy Lutomirski
We currently special-case stack overflow on the task stack. We're going to start putting special stacks in the fixmap with a custom layout, so they'll have guard pages, too. Teach the unwinder to be able to unwind an overflow of any of the stacks. Signed-off-by: Andy Lutomirski --- arch/x86/ke