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be2cd24b12
'asm' is a GNU extension. Compilers without GNU extensions do not
understand it:
dpif-netdev-perf.h:225:5: error: use of undeclared identifier 'asm'
asm volatile("rdtsc" : "=a" (l), "=d" (h));
Redefining asm as __asm__ for non-C++ compilers that do not have it
defined. While at it, also add typeof definition. It doesn't need
a check for C++, because it's not a keyword in C++.
Acked-by: Eelco Chaudron <echaudro@redhat.com>
Signed-off-by: Ilya Maximets <i.maximets@ovn.org>