Hi Arnd,
I'm getting the following build warnings on the 4.7-stable tree, any
ideas what they are from:
In file included from ../kernel/trace/trace_irqsoff.c:15:0:
../kernel/trace/trace_irqsoff.c: In function ‘stop_critical_timings’:
../include/linux/ftrace.h:703:36: warning: calling ‘__builtin_return_address’ with a nonzero argument is unsafe [-Wframe-address]
# define ftrace_return_address(n) __builtin_return_address(n)
^~~~~~~~~~~~~~~~~~~~~~~~~~~
../include/linux/ftrace.h:710:38: note: in expansion of macro ‘ftrace_return_address’
#define CALLER_ADDR1 ((unsigned long)ftrace_return_address(1))
^~~~~~~~~~~~~~~~~~~~~
../kernel/trace/trace_irqsoff.c:433:38: note: in expansion of macro ‘CALLER_ADDR1’
stop_critical_timing(CALLER_ADDR0, CALLER_ADDR1);
^~~~~~~~~~~~
It shows up in a few other places as well with this signature.
Same goes for the 4.4-stable tree
thanks,
greg k-h
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