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* [PATCH 0/6] eBPF JIT for PPC64
@ 2016-06-07 13:32 Naveen N. Rao
  2016-06-07 13:32 ` [PATCH 1/6] ppc: bpf/jit: Fix/enhance 32-bit Load Immediate implementation Naveen N. Rao
                   ` (6 more replies)
  0 siblings, 7 replies; 34+ messages in thread
From: Naveen N. Rao @ 2016-06-07 13:32 UTC (permalink / raw)
  To: linux-kernel, linuxppc-dev, netdev, mpe
  Cc: Matt Evans, Denis Kirjanov, Paul Mackerras, Alexei Starovoitov,
	Daniel Borkmann, David S. Miller, Ananth N Mavinakayanahalli

Implement extended BPF JIT for ppc64. We retain the classic BPF JIT for
ppc32 and move ppc64 BE/LE to use the new JIT. Classic BPF filters will
be converted to extended BPF (see convert_filter()) and JIT'ed with the
new compiler.

Most of the existing macros are retained and fixed/enhanced where
appropriate. Patches 1-4 are geared towards this.

Patch 5 breaks out the classic BPF JIT specifics into a separate
bpf_jit32.h header file, while retaining all the generic instruction
macros in bpf_jit.h.

Patch 6 implements eBPF JIT for ppc64.

Since the RFC patchset [1], powerpc JIT has now gained support for skb
access helpers and now passes all tests in test_bpf.ko. Review comments
on the RFC patches have been addressed (use of an ABI macro [2] and use
of bpf_jit_binary_alloc()), along with a few other generic fixes and
updates.

Prominent TODOs:
 - implement BPF tail calls
 - support for BPF constant blinding

Please note that patch [2] is a pre-requisite for this patchset, and is
not yet upstream.


- Naveen

[1] http://thread.gmane.org/gmane.linux.kernel/2188694
[2] http://thread.gmane.org/gmane.linux.ports.ppc.embedded/96514


Naveen N. Rao (6):
  ppc: bpf/jit: Fix/enhance 32-bit Load Immediate implementation
  ppc: bpf/jit: Optimize 64-bit Immediate loads
  ppc: bpf/jit: Introduce rotate immediate instructions
  ppc: bpf/jit: A few cleanups
  ppc: bpf/jit: Isolate classic BPF JIT specifics into a separate header
  ppc: ebpf/jit: Implement JIT compiler for extended BPF

 arch/powerpc/Kconfig                  |   3 +-
 arch/powerpc/include/asm/asm-compat.h |   2 +
 arch/powerpc/include/asm/ppc-opcode.h |  22 +-
 arch/powerpc/net/Makefile             |   4 +
 arch/powerpc/net/bpf_jit.h            | 235 ++++-----
 arch/powerpc/net/bpf_jit32.h          | 139 +++++
 arch/powerpc/net/bpf_jit64.h          | 102 ++++
 arch/powerpc/net/bpf_jit_asm.S        |   2 +-
 arch/powerpc/net/bpf_jit_asm64.S      | 180 +++++++
 arch/powerpc/net/bpf_jit_comp.c       |  10 +-
 arch/powerpc/net/bpf_jit_comp64.c     | 956 ++++++++++++++++++++++++++++++++++
 11 files changed, 1504 insertions(+), 151 deletions(-)
 create mode 100644 arch/powerpc/net/bpf_jit32.h
 create mode 100644 arch/powerpc/net/bpf_jit64.h
 create mode 100644 arch/powerpc/net/bpf_jit_asm64.S
 create mode 100644 arch/powerpc/net/bpf_jit_comp64.c

-- 
2.8.2

^ permalink raw reply	[flat|nested] 34+ messages in thread

end of thread, other threads:[~2016-06-22 14:58 UTC | newest]

Thread overview: 34+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2016-06-07 13:32 [PATCH 0/6] eBPF JIT for PPC64 Naveen N. Rao
2016-06-07 13:32 ` [PATCH 1/6] ppc: bpf/jit: Fix/enhance 32-bit Load Immediate implementation Naveen N. Rao
2016-06-07 13:32 ` [PATCH 2/6] ppc: bpf/jit: Optimize 64-bit Immediate loads Naveen N. Rao
2016-06-07 13:32 ` [PATCH 3/6] ppc: bpf/jit: Introduce rotate immediate instructions Naveen N. Rao
2016-06-07 13:32 ` [PATCH 4/6] ppc: bpf/jit: A few cleanups Naveen N. Rao
2016-06-07 13:32 ` [PATCH 5/6] ppc: bpf/jit: Isolate classic BPF JIT specifics into a separate header Naveen N. Rao
2016-06-07 13:32 ` [PATCH 6/6] ppc: ebpf/jit: Implement JIT compiler for extended BPF Naveen N. Rao
2016-06-07 22:56   ` Alexei Starovoitov
2016-06-08 17:17     ` Naveen N. Rao
2016-06-09  3:19   ` Nilay Vaish
2016-06-09  6:07     ` Naveen N. Rao
2016-06-17 12:53   ` [6/6] " Michael Ellerman
2016-06-17 13:00     ` [PATCH] ppc: Fix BPF JIT for ABIv2 Thadeu Lima de Souza Cascardo
2016-06-19 17:49       ` Naveen N. Rao
2016-06-20 18:56         ` Thadeu Lima de Souza Cascardo
2016-06-21  8:58           ` Naveen N. Rao
2016-06-21 11:15             ` Michael Ellerman
2016-06-21 14:47               ` Thadeu Lima de Souza Cascardo
2016-06-21 15:45                 ` Alexei Starovoitov
2016-06-22  4:06                   ` Michael Ellerman
2016-06-22  7:12                 ` Naveen N. Rao
2016-06-22 14:57                   ` Naveen N. Rao
2016-06-22  5:20             ` Michael Ellerman
2016-06-22  5:18       ` Michael Ellerman
2016-06-19 17:36     ` [6/6] ppc: ebpf/jit: Implement JIT compiler for extended BPF Naveen N. Rao
2016-06-20 23:38       ` Michael Ellerman
2016-06-21  6:58         ` Naveen N. Rao
2016-06-21 11:04           ` Michael Ellerman
2016-06-22  7:06             ` Naveen N. Rao
2016-06-22 10:37   ` [PATCH 6/6] " Michael Ellerman
2016-06-22 12:32     ` Naveen N. Rao
2016-06-11  5:47 ` [PATCH 0/6] eBPF JIT for PPC64 David Miller
2016-06-13  5:40   ` Naveen N. Rao
2016-06-18  4:57     ` mpe

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