Re: [PATCH 0/9] x86/bpf: unwinder fixes

From: Peter Zijlstra
Date: Thu Jun 13 2019 - 16:46:57 EST


On Thu, Jun 13, 2019 at 08:20:57AM -0500, Josh Poimboeuf wrote:

> Josh Poimboeuf (8):
> objtool: Fix ORC unwinding in non-JIT BPF generated code
> x86/bpf: Move epilogue generation to a dedicated function
> x86/bpf: Simplify prologue generation
> x86/bpf: Support SIB byte generation
> x86/bpf: Fix JIT frame pointer usage
> x86/unwind/orc: Fall back to using frame pointers for generated code
> x86/bpf: Convert asm comments to AT&T syntax
> x86/bpf: Convert MOV function/macro argument ordering to AT&T syntax
>
> Song Liu (1):
> perf/x86: Always store regs->ip in perf_callchain_kernel()
>
> arch/x86/events/core.c | 10 +-
> arch/x86/kernel/unwind_orc.c | 26 ++-
> arch/x86/net/bpf_jit_comp.c | 355 ++++++++++++++++++++---------------
> kernel/bpf/core.c | 5 +-
> tools/objtool/check.c | 16 +-
> 5 files changed, 246 insertions(+), 166 deletions(-)

Acked-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>