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| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2016-04-05 11:33:41 -0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2016-04-06 10:44:28 -0300 |
| commit | bd0419e2a5a9fd9396cb7dc69044f961f52e19f0 (patch) | |
| tree | 423dfe14e53f53206ce4e07006c417322ac8ff5f /drivers/crypto/mv_cesa.c | |
| parent | d8e28654f28de74951ab1b7e59d2bebb442972aa (diff) | |
| download | linux-bd0419e2a5a9fd9396cb7dc69044f961f52e19f0.tar.bz2 | |
perf probe: Check if dwarf_getlocations() is available
If not, tell the user that:
config/Makefile:273: Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.157
And return -ENOTSUPP in die_get_var_range(), failing features that
need it, like the one pointed out above.
This fixes the build on older systems, such as Ubuntu 12.04.5.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Vinson Lee <vlee@freedesktop.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-9l7luqkq4gfnx7vrklkq4obs@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'drivers/crypto/mv_cesa.c')
0 files changed, 0 insertions, 0 deletions