Re: [PATCH v2 3/8] objtool: stack validation 2.0

2017-06-30 Thread Josh Poimboeuf
On Fri, Jun 30, 2017 at 08:23:36AM -0500, Josh Poimboeuf wrote: > On Fri, Jun 30, 2017 at 10:32:03AM +0200, Ingo Molnar wrote: > > > > * Josh Poimboeuf wrote: > > > > > This is a major rewrite of objtool. Instead of only tracking frame > > > pointer changes, it now tracks all stack-related oper

Re: [PATCH v2 3/8] objtool: stack validation 2.0

2017-06-30 Thread Josh Poimboeuf
On Fri, Jun 30, 2017 at 10:32:03AM +0200, Ingo Molnar wrote: > > * Josh Poimboeuf wrote: > > > This is a major rewrite of objtool. Instead of only tracking frame > > pointer changes, it now tracks all stack-related operations, including > > all register saves/restores. > > > > In addition to m

Re: [PATCH v2 3/8] objtool: stack validation 2.0

2017-06-30 Thread Ingo Molnar
* Josh Poimboeuf wrote: > This is a major rewrite of objtool. Instead of only tracking frame > pointer changes, it now tracks all stack-related operations, including > all register saves/restores. > > In addition to making stack validation more robust, this also paves the > way for undwarf gen