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authorJoel Fernandes <joelaf@google.com>2016-11-15 12:31:21 -0800
committerKees Cook <keescook@chromium.org>2016-11-15 16:34:30 -0800
commit7a0032f50472c740e35e849366572c124087a346 (patch)
tree71437b89bfbfdb396be31dd14ae77f685e9757be /fs/pstore/inode.c
parentd032ae8921ea792c1e6b2abb44022b2403f651f6 (diff)
pstore: Use global ftrace filters for function trace filtering
Currently, pstore doesn't have any filters setup for function tracing. This has the associated overhead and may not be useful for users looking for tracing specific set of functions. ftrace's regular function trace filtering is done writing to tracing/set_ftrace_filter however this is not available if not requested. In order to be able to use this feature, the support to request global filtering introduced earlier in the series should be requested before registering the ftrace ops. Here we do the same. Signed-off-by: Joel Fernandes <joelaf@google.com> Signed-off-by: Kees Cook <keescook@chromium.org>
Diffstat (limited to 'fs/pstore/inode.c')
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