linux-kernel - [PATCH 0/4] bpf powerpc: Add BPF_PROBE

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Message-Id: <20210706073211.349889-1-ravi.bangoria@linux.ibm.com>
Date:   Tue,  6 Jul 2021 13:02:07 +0530
From:   Ravi Bangoria <ravi.bangoria@...ux.ibm.com>
To:     naveen.n.rao@...ux.ibm.com, mpe@...erman.id.au, ast@...nel.org,
        daniel@...earbox.net
Cc:     ravi.bangoria@...ux.ibm.com, sandipan@...ux.ibm.com,
        paulus@...ba.org, andrii@...nel.org, kafai@...com,
        songliubraving@...com, yhs@...com, john.fastabend@...il.com,
        kpsingh@...nel.org, netdev@...r.kernel.org, bpf@...r.kernel.org,
        linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: [PATCH 0/4] bpf powerpc: Add BPF_PROBE_MEM support for 64bit JIT

Patch #1, #2 are simple cleanup patches. Patch #3 adds
BPF_PROBE_MEM support with PowerPC 64bit JIT compiler.
Patch #4 adds explicit addr > TASK_SIZE_MAX check to
handle bad userspace pointers.

Ravi Bangoria (4):
  bpf powerpc: Remove unused SEEN_STACK
  bpf powerpc: Remove extra_pass from bpf_jit_build_body()
  bpf powerpc: Add BPF_PROBE_MEM support for 64bit JIT
  bpf powerpc: Add addr > TASK_SIZE_MAX explicit check

 arch/powerpc/net/bpf_jit.h        |   8 ++-
 arch/powerpc/net/bpf_jit_comp.c   |  25 ++++++--
 arch/powerpc/net/bpf_jit_comp32.c |   4 +-
 arch/powerpc/net/bpf_jit_comp64.c | 100 +++++++++++++++++++++++++++++-
 4 files changed, 124 insertions(+), 13 deletions(-)

-- 
2.26.3