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6ccfba75d3
linux/samples/bpf
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Jesper Dangaard Brouer 6ccfba75d3 samples/bpf: add back functionality to redefine LLC command 
It is practical to be-able-to redefine the location of the LLVM
command 'llc', because not all distros have a LLVM version with bpf
target support.  Thus, it is sometimes required to compile LLVM from
source, and sometimes it is not desired to overwrite the distros
default LLVM version.

This feature was removed with 128d1514be ("samples/bpf: Use llc in
PATH, rather than a hardcoded value").

Add this features back. Note that it is possible to redefine the LLC
on the make command like:

 make samples/bpf/ LLC=~/git/llvm/build/bin/llc

Fixes: 128d1514be ("samples/bpf: Use llc in PATH, rather than a hardcoded value")
Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-29 14:25:32 -04:00
..
bpf_helpers.h samples/bpf: Enable powerpc support 2016-04-06 16:01:29 -04:00
bpf_load.c samples/bpf: add tracepoint support to bpf loader 2016-04-07 21:04:27 -04:00
bpf_load.h samples/bpf: move ksym_search() into library 2016-03-08 15:28:32 -05:00
fds_example.c samples/bpf: add map_flags to bpf loader 2016-03-08 15:28:32 -05:00
lathist_kern.c bpf: BPF based latency tracing 2015-06-23 06:09:58 -07:00
lathist_user.c bpf: BPF based latency tracing 2015-06-23 06:09:58 -07:00
libbpf.c samples/bpf: add map_flags to bpf loader 2016-03-08 15:28:32 -05:00
libbpf.h samples/bpf: add map_flags to bpf loader 2016-03-08 15:28:32 -05:00
Makefile samples/bpf: add back functionality to redefine LLC command 2016-04-29 14:25:32 -04:00
map_perf_test_kern.c samples/bpf: add map performance test 2016-03-08 23:22:03 -05:00
map_perf_test_user.c samples/bpf: Fix build breakage with map_perf_test_user.c 2016-04-06 16:01:28 -04:00
offwaketime_kern.c bpf, samples: don't zero data when not needed 2016-04-14 21:40:42 -04:00
offwaketime_user.c samples/bpf: move ksym_search() into library 2016-03-08 15:28:32 -05:00
sock_example.c samples/bpf: add map_flags to bpf loader 2016-03-08 15:28:32 -05:00
sockex1_kern.c samples: bpf: add skb->field examples and tests 2015-03-15 22:02:28 -04:00
sockex1_user.c samples: bpf: add skb->field examples and tests 2015-03-15 22:02:28 -04:00
sockex2_kern.c samples: bpf: add skb->field examples and tests 2015-03-15 22:02:28 -04:00
sockex2_user.c samples: bpf: add skb->field examples and tests 2015-03-15 22:02:28 -04:00
sockex3_kern.c bpf: allow programs to write to certain skb fields 2015-06-07 02:01:33 -07:00
sockex3_user.c samples/bpf: bpf_tail_call example for networking 2015-05-21 17:07:59 -04:00
spintest_kern.c samples/bpf: Enable powerpc support 2016-04-06 16:01:29 -04:00
spintest_user.c samples/bpf: add bpf map stress test 2016-03-08 23:22:02 -05:00
tcbpf1_kern.c bpf: add bpf_redirect() helper 2015-09-17 21:09:07 -07:00
test_maps.c samples/bpf: test both pre-alloc and normal maps 2016-03-08 15:28:32 -05:00
test_overhead_kprobe_kern.c samples/bpf: add tracepoint vs kprobe performance tests 2016-04-07 21:04:27 -04:00
test_overhead_tp_kern.c samples/bpf: add tracepoint vs kprobe performance tests 2016-04-07 21:04:27 -04:00
test_overhead_user.c samples/bpf: add tracepoint vs kprobe performance tests 2016-04-07 21:04:27 -04:00
test_verifier.c bpf, samples: add test cases for raw stack 2016-04-14 21:40:42 -04:00
trace_output_kern.c samples: bpf: add bpf_perf_event_output example 2015-10-22 06:42:15 -07:00
trace_output_user.c samples: bpf: add bpf_perf_event_output example 2015-10-22 06:42:15 -07:00
tracex1_kern.c bpf, samples: don't zero data when not needed 2016-04-14 21:40:42 -04:00
tracex1_user.c samples/bpf: Add simple non-portable kprobe filter example 2015-04-02 13:25:50 +02:00
tracex2_kern.c bpf, samples: don't zero data when not needed 2016-04-14 21:40:42 -04:00
tracex2_user.c samples/bpf: update tracex[23] examples to use per-cpu maps 2016-02-06 03:34:36 -05:00
tracex3_kern.c samples/bpf: update tracex[23] examples to use per-cpu maps 2016-02-06 03:34:36 -05:00
tracex3_user.c samples/bpf: update tracex[23] examples to use per-cpu maps 2016-02-06 03:34:36 -05:00
tracex4_kern.c samples/bpf: Enable powerpc support 2016-04-06 16:01:29 -04:00
tracex4_user.c samples/bpf: Add kmem_alloc()/free() tracker tool 2015-04-02 13:25:51 +02:00
tracex5_kern.c bpf, samples: don't zero data when not needed 2016-04-14 21:40:42 -04:00
tracex5_user.c samples/bpf: bpf_tail_call example for tracing 2015-05-21 17:07:59 -04:00
tracex6_kern.c bpf: fix build warnings and add function read_trace_pipe() 2015-08-12 16:39:12 -07:00
tracex6_user.c bpf: fix build warnings and add function read_trace_pipe() 2015-08-12 16:39:12 -07:00