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

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Message-ID: <20190613204151.GP3436@hirez.programming.kicks-ass.net>
Date:   Thu, 13 Jun 2019 22:41:51 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     Josh Poimboeuf <jpoimboe@...hat.com>
Cc:     x86@...nel.org, linux-kernel@...r.kernel.org,
        Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>, netdev@...r.kernel.org,
        bpf@...r.kernel.org, Song Liu <songliubraving@...com>,
        Kairui Song <kasong@...hat.com>
Subject: Re: [PATCH 0/9] x86/bpf: unwinder fixes

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@...radead.org>