Re: [PATCH 19/20] objtool: uaccess PUSHF/POPF support

2019-03-10 Thread Peter Zijlstra
On Fri, Mar 08, 2019 at 03:11:22PM -0600, Josh Poimboeuf wrote: > On Thu, Mar 07, 2019 at 12:45:30PM +0100, Peter Zijlstra wrote: > > Add PUSHF / POPF state.uaccess restore logic. > > > > XXX: should possibly be merged with the previous patch such that KASAN > > doesn't explode in between. Split f

Re: [PATCH 19/20] objtool: uaccess PUSHF/POPF support

2019-03-08 Thread Josh Poimboeuf
On Thu, Mar 07, 2019 at 12:45:30PM +0100, Peter Zijlstra wrote: > Add PUSHF / POPF state.uaccess restore logic. > > XXX: should possibly be merged with the previous patch such that KASAN > doesn't explode in between. Split for review. Needs more description -- namely, what and why. -- Josh

[PATCH 19/20] objtool: uaccess PUSHF/POPF support

2019-03-07 Thread Peter Zijlstra
Add PUSHF / POPF state.uaccess restore logic. XXX: should possibly be merged with the previous patch such that KASAN doesn't explode in between. Split for review. Signed-off-by: Peter Zijlstra (Intel) --- tools/objtool/arch.h|2 ++ tools/objtool/arch/x86/decode.c |4 ++-- to