Hi.
> In the latest Linux kernel 3.xx.xx, I cannot grep DECLARE_MUTEX and
> DECLARE_MUTEX_LOCKED. Both of them may be deprecated by the kernel.
AFAIK DECLARE_MUTEX is deprecated. It was based on semaphores.
In new kernels you should to use DEFINE_MUTEX.
http://lxr.linux.no/linux+v3.0.4/include/linux/mutex.h
This happens between 2.6.36 and 2.6.38.
> __builtin_constant_p is more like a gcc specific compiling option. This
> has beyond the kernel scope. If interested, please refer to gcc manual
for
> more info.
http://gcc.gnu.org/onlinedocs/gcc/Other-Builtins.html
PS: Google is your friend. ;)
--
WBR, Alexander Sannikov.
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