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authorDavid S. Miller <davem@davemloft.net>2017-08-09 16:53:57 -0700
committerDavid S. Miller <davem@davemloft.net>2017-08-09 16:53:57 -0700
commit078295fb9af507abce4976c6e9ff56a67da4e9a0 (patch)
tree26144713b32d1aca78e8cf7fe85552fd71dd8845 /net/sched/sch_api.c
parentMerge branch 'net-zerocopy-fixes' (diff)
parentbpf: add test cases for new BPF_J{LT, LE, SLT, SLE} instructions (diff)
downloadlinux-dev-078295fb9af507abce4976c6e9ff56a67da4e9a0.tar.xz
linux-dev-078295fb9af507abce4976c6e9ff56a67da4e9a0.zip
Merge branch 'bpf-new-branches'
Daniel Borkmann says: ==================== bpf: Add BPF_J{LT,LE,SLT,SLE} instructions This set adds BPF_J{LT,LE,SLT,SLE} instructions to the BPF insn set, interpreter, JIT hardening code and all JITs are also updated to support the new instructions. Basic idea is to reduce register pressure by avoiding BPF_J{GT,GE,SGT,SGE} rewrites. Removing the workaround for the rewrites in LLVM, this can result in shorter BPF programs, less stack usage and less verification complexity. First patch provides some more details on rationale and integration. Thanks a lot! v1 -> v2: - Reworded commit msg in patch 1 ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
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