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This patch is a follow-up for patch "filter: add XOR instruction for use
with X/K" that implements BPF SPARC JIT parts for the BPF XOR operation.
Signed-off-by: Daniel Borkmann <daniel.borkmann@tik.ee.ethz.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fix mixed space and tabs.
Put bpf_jit_load_*[] externs into bpf_jit.h
"while(0)" --> "while (0)"
"COND (X)" --> "COND(X)"
Document branch offset calculations, and bpf_error's return
sequence.
Document the reason we need to emit three nops between the
%y register write and the divide instruction.
Remove erroneous trailing semicolons from emit_read_y() and
emit_write_y().
Based upon feedback from Sam Ravnborg.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Correct conventions comments. %o4 and %o5 were swapped,
%g3 was not documented.
Use r_TMP instead of r_SKB_DATA + r_OFF where possible in
assembler stubs.
Correct discussion of %o4 and %o5 in one of bpf_jit_compile()'s
comments.
Based upon feedback from Richard Mortimer.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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