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Date: Wed, 6 Dec 2017 19:56:25 +0100
From: Daniel Borkmann <daniel@...earbox.net>
To: davem@...emloft.net
Cc: daniel@...earbox.net, ast@...nel.org, netdev@...r.kernel.org
Subject: pull-request: bpf 2017-12-06
Hi David,
The following pull-request contains BPF updates for your *net* tree.
The main changes are:
1) Fixing broken uapi for BPF tracing programs for s390 and arm64
architectures due to pt_regs being in-kernel only, and not part
of uapi right now. A wrapper is added that exports pt_regs in
an asm-generic way. For arm64 this maps to existing user_pt_regs
structure and for s390 a user_pt_regs structure exporting the
beginning of pt_regs is added and uapi-exported, thus fixing the
BPF issues seen in perf (and BPF selftests), all from Hendrik.
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 2391f0b4808e3d5af348324d69f5f45c56a26836:
Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost (2017-12-04 11:32:02 -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 037776e4c667a658616a9ea63d792874328c5fba:
Merge branch 'bpf-fix-broken-uapi-for-pt-regs' (2017-12-05 15:02:42 +0100)
----------------------------------------------------------------
Daniel Borkmann (1):
Merge branch 'bpf-fix-broken-uapi-for-pt-regs'
Hendrik Brueckner (6):
bpf: correct broken uapi for BPF_PROG_TYPE_PERF_EVENT program type
s390/bpf: correct broken uapi for BPF_PROG_TYPE_PERF_EVENT program type
arm64/bpf: correct broken uapi for BPF_PROG_TYPE_PERF_EVENT program type
s390/uapi: correct whitespace & coding style in asm/ptrace.h
selftests/bpf: sync kernel headers and introduce arch support in Makefile
perf s390: add regs_query_register_offset()
arch/alpha/include/uapi/asm/Kbuild | 2 +
arch/arc/include/uapi/asm/Kbuild | 1 +
arch/arm/include/uapi/asm/Kbuild | 1 +
arch/arm64/include/asm/perf_event.h | 2 +
arch/arm64/include/uapi/asm/bpf_perf_event.h | 9 +
arch/blackfin/include/uapi/asm/Kbuild | 1 +
arch/c6x/include/uapi/asm/Kbuild | 1 +
arch/cris/include/uapi/asm/Kbuild | 1 +
arch/frv/include/uapi/asm/Kbuild | 2 +
arch/h8300/include/uapi/asm/Kbuild | 1 +
arch/hexagon/include/uapi/asm/Kbuild | 1 +
arch/ia64/include/uapi/asm/Kbuild | 1 +
arch/m32r/include/uapi/asm/Kbuild | 1 +
arch/m68k/include/uapi/asm/Kbuild | 1 +
arch/metag/include/uapi/asm/Kbuild | 1 +
arch/microblaze/include/uapi/asm/Kbuild | 1 +
arch/mips/include/uapi/asm/Kbuild | 1 +
arch/mn10300/include/uapi/asm/Kbuild | 1 +
arch/nios2/include/uapi/asm/Kbuild | 1 +
arch/openrisc/include/uapi/asm/Kbuild | 1 +
arch/parisc/include/uapi/asm/Kbuild | 1 +
arch/powerpc/include/uapi/asm/Kbuild | 1 +
arch/riscv/include/uapi/asm/Kbuild | 1 +
arch/s390/include/asm/perf_event.h | 1 +
arch/s390/include/asm/ptrace.h | 11 +-
arch/s390/include/uapi/asm/bpf_perf_event.h | 9 +
arch/s390/include/uapi/asm/ptrace.h | 125 +++---
arch/score/include/uapi/asm/Kbuild | 1 +
arch/sh/include/uapi/asm/Kbuild | 1 +
arch/sparc/include/uapi/asm/Kbuild | 1 +
arch/tile/include/uapi/asm/Kbuild | 1 +
arch/unicore32/include/uapi/asm/Kbuild | 1 +
arch/x86/include/uapi/asm/Kbuild | 1 +
arch/xtensa/include/uapi/asm/Kbuild | 1 +
include/linux/perf_event.h | 6 +-
include/uapi/asm-generic/bpf_perf_event.h | 9 +
include/uapi/linux/bpf_perf_event.h | 5 +-
kernel/events/core.c | 2 +-
tools/arch/arm64/include/uapi/asm/bpf_perf_event.h | 9 +
tools/arch/s390/include/uapi/asm/bpf_perf_event.h | 9 +
tools/arch/s390/include/uapi/asm/ptrace.h | 457 +++++++++++++++++++++
tools/include/uapi/asm-generic/bpf_perf_event.h | 9 +
tools/include/uapi/linux/bpf_perf_event.h | 6 +-
tools/perf/arch/s390/Makefile | 1 +
tools/perf/arch/s390/util/dwarf-regs.c | 32 +-
tools/perf/check-headers.sh | 1 +
tools/testing/selftests/bpf/Makefile | 14 +-
47 files changed, 668 insertions(+), 79 deletions(-)
create mode 100644 arch/arm64/include/uapi/asm/bpf_perf_event.h
create mode 100644 arch/s390/include/uapi/asm/bpf_perf_event.h
create mode 100644 include/uapi/asm-generic/bpf_perf_event.h
create mode 100644 tools/arch/arm64/include/uapi/asm/bpf_perf_event.h
create mode 100644 tools/arch/s390/include/uapi/asm/bpf_perf_event.h
create mode 100644 tools/arch/s390/include/uapi/asm/ptrace.h
create mode 100644 tools/include/uapi/asm-generic/bpf_perf_event.h
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