pull-request: bpf 2018-11-27

pull-request: bpf 2018-11-27

[Daniel Borkmann]

Hi David,

The following pull-request contains BPF updates for your *net* tree.

The main changes are:

1) Fix several bugs in BPF sparc JIT, that is, convergence for fused
   branches, initialization of frame pointer register, and moving all
   arguments into output registers from input registers in prologue
   to fix BPF to BPF calls, from David.

2) Fix a bug in arm64 JIT for fetching BPF to BPF call addresses where
   they are not guaranteed to fit into imm field and therefore must be
   retrieved through prog aux data, from Daniel.

3) Explicitly add all JITs to MAINTAINERS file with developers able to
   help out in feature development, fixes, review, etc.

Please consider pulling these changes from:

  git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf.git

Thanks a lot!

----------------------------------------------------------------

The following changes since commit 69500127424cd90ff2cf8191256b2ac3b0a4af56:

  Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf (2018-11-25 20:04:58 -0800)

are available in the git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf.git 

for you to fetch changes up to 2b9034b5eaddc09c0e9529b93446eb975f97f814:

  sparc: Adjust bpf JIT prologue for PSEUDO calls. (2018-11-27 09:46:52 +0100)

----------------------------------------------------------------
Alexei Starovoitov (1):
      Merge branch 'arm64-jit-fixes'

Daniel Borkmann (3):
      bpf, ppc64: generalize fetching subprog into bpf_jit_get_func_addr
      bpf, arm64: fix getting subprog addr from aux for calls
      bpf, doc: add entries of who looks over which jits

David Miller (3):
      sparc: Fix JIT fused branch convergance.
      sparc: Correct ctx->saw_frame_pointer logic.
      sparc: Adjust bpf JIT prologue for PSEUDO calls.

 MAINTAINERS                       | 63 ++++++++++++++++++++++++-
 arch/arm64/net/bpf_jit_comp.c     | 26 +++++++----
 arch/powerpc/net/bpf_jit_comp64.c | 57 +++++++++++++++--------
 arch/sparc/net/bpf_jit_comp_64.c  | 97 +++++++++++++++++++++++++++------------
 include/linux/filter.h            |  4 ++
 kernel/bpf/core.c                 | 34 ++++++++++++++
 6 files changed, 223 insertions(+), 58 deletions(-)

Re: pull-request: bpf 2018-11-27

[David Miller]

From: Daniel Borkmann <daniel@iogearbox.net>
Date: Tue, 27 Nov 2018 10:16:17 +0100

> The following pull-request contains BPF updates for your *net* tree.
> 
> The main changes are:
> 
> 1) Fix several bugs in BPF sparc JIT, that is, convergence for fused
>    branches, initialization of frame pointer register, and moving all
>    arguments into output registers from input registers in prologue
>    to fix BPF to BPF calls, from David.
> 
> 2) Fix a bug in arm64 JIT for fetching BPF to BPF call addresses where
>    they are not guaranteed to fit into imm field and therefore must be
>    retrieved through prog aux data, from Daniel.
> 
> 3) Explicitly add all JITs to MAINTAINERS file with developers able to
>    help out in feature development, fixes, review, etc.

Pulled, thanks Daniel.