Alexei Starovoitov fdfaf64e75 x86: bpf_jit: support negative offsets ... Commit a998d43423 claimed to introduce negative offset support to x86 jit, but it couldn't be working, since at the time of the execution of LD+ABS or LD+IND instructions via call into bpf_internal_load_pointer_neg_helper() the %edx (3rd argument of this func) had junk value instead of access size in bytes (1 or 2 or 4). Store size into %edx instead of %ecx (what original commit intended to do) Fixes: a998d43423 ("bpf jit: Let the x86 jit handle negative offsets") Signed-off-by: Alexei Starovoitov <ast@plumgrid.com> Cc: Jan Seiffert <kaffeemonster@googlemail.com> Cc: Eric Dumazet <edumazet@google.com> Acked-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>		2014-03-11 23:25:22 -04:00
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Makefile	net: filter: Just In Time compiler for x86-64	2011-04-27 23:05:08 -07:00
bpf_jit.S	x86: bpf_jit: support negative offsets	2014-03-11 23:25:22 -04:00
bpf_jit_comp.c	bpf: do not use reciprocal divide	2014-01-15 17:02:08 -08:00