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authorIngo Molnar <mingo@elte.hu>2009-09-02 08:55:55 -0400
committerIngo Molnar <mingo@elte.hu>2009-09-02 08:56:33 -0400
commit65014ab36196f6d86edc9ee23759d6930b9d89a8 (patch)
tree4e3a802e3eae688b53f946560fe583d16f4c0c58 /drivers/media/dvb/frontends/stv0297.c
parent61562445c80452ec417fb6a6895b991f6c1dd930 (diff)
perf tools: Work around strict aliasing related warnings
Older versions of GCC are rather stupid about strict aliasing: util/trace-event-parse.c: In function 'parse_cmdlines': util/trace-event-parse.c:93: warning: dereferencing type-punned pointer will break strict-aliasing rules util/trace-event-parse.c: In function 'parse_proc_kallsyms': util/trace-event-parse.c:155: warning: dereferencing type-punned pointer will break strict-aliasing rules util/trace-event-parse.c:157: warning: dereferencing type-punned pointer will break strict-aliasing rules util/trace-event-parse.c:158: warning: dereferencing type-punned pointer will break strict-aliasing rules util/trace-event-parse.c: In function 'parse_ftrace_printk': util/trace-event-parse.c:294: warning: dereferencing type-punned pointer will break strict-aliasing rules util/trace-event-parse.c:295: warning: dereferencing type-punned pointer will break strict-aliasing rules make: *** [util/trace-event-parse.o] Error 1 Make it clear to GCC that we intend with those pointers, by passing them through via an explicit (void *) cast. We might want to add -fno-strict-aliasing as well, like the kernel itself does. Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Mike Galbraith <efault@gmx.de> Cc: Paul Mackerras <paulus@samba.org> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> LKML-Reference: <new-submission> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/media/dvb/frontends/stv0297.c')
0 files changed, 0 insertions, 0 deletions