[PATCH] x86/unwind: fix guess unwinder regression

2016-11-27 Thread Josh Poimboeuf
My attempt at fixing some KASAN false positive warnings was rather brain dead, and it broke the guess unwinder. With frame pointers disabled, /proc//stack is broken: # cat /proc/1/stack [] 0x Restore the code flow to more closely resemble its previous state, while still

[PATCH] x86/unwind: fix guess unwinder regression

2016-11-27 Thread Josh Poimboeuf
My attempt at fixing some KASAN false positive warnings was rather brain dead, and it broke the guess unwinder. With frame pointers disabled, /proc//stack is broken: # cat /proc/1/stack [] 0x Restore the code flow to more closely resemble its previous state, while still