Re: objtool - what if I want to clobber rbp?

2017-11-22 Thread Jason A. Donenfeld
Hi Josh, On Wed, Nov 22, 2017 at 4:31 AM, Josh Poimboeuf wrote: > - Make your feature conflict with CONFIG_FRAME_POINTER on x86_64. The > ORC unwinder is now the default anyway for 4.15, and we renamed the > configs, so most people will be actively switching to ORC. >

Re: objtool - what if I want to clobber rbp?

2017-11-22 Thread Jason A. Donenfeld
Hi Josh, On Wed, Nov 22, 2017 at 4:31 AM, Josh Poimboeuf wrote: > - Make your feature conflict with CONFIG_FRAME_POINTER on x86_64. The > ORC unwinder is now the default anyway for 4.15, and we renamed the > configs, so most people will be actively switching to ORC. > BTW, since

Re: objtool - what if I want to clobber rbp?

2017-11-21 Thread Josh Poimboeuf
On Tue, Nov 21, 2017 at 10:55:23PM +0100, Jason A. Donenfeld wrote: > Hi Josh, > > We're working on some highly optimized assembly crypto primitive > implementations for WireGuard. The last 24 hours have been spent > trying to make objtool happy with a variety of tricks, some more > unfortunate

Re: objtool - what if I want to clobber rbp?

2017-11-21 Thread Josh Poimboeuf
On Tue, Nov 21, 2017 at 10:55:23PM +0100, Jason A. Donenfeld wrote: > Hi Josh, > > We're working on some highly optimized assembly crypto primitive > implementations for WireGuard. The last 24 hours have been spent > trying to make objtool happy with a variety of tricks, some more > unfortunate

objtool - what if I want to clobber rbp?

2017-11-21 Thread Jason A. Donenfeld
Hi Josh, We're working on some highly optimized assembly crypto primitive implementations for WireGuard. The last 24 hours have been spent trying to make objtool happy with a variety of tricks, some more unfortunate than others. There's still one issue remaining, however, and I just can't figure

objtool - what if I want to clobber rbp?

2017-11-21 Thread Jason A. Donenfeld
Hi Josh, We're working on some highly optimized assembly crypto primitive implementations for WireGuard. The last 24 hours have been spent trying to make objtool happy with a variety of tricks, some more unfortunate than others. There's still one issue remaining, however, and I just can't figure