4.9-stable review patch. If anyone has any objections, please let me know.
------------------ From: Matthew Wilcox <mawil...@microsoft.com> commit 12ea65390bd5a46f8a70f068eb0d48922576a781 upstream. Move the pieces we still need to tools/include and update a few implicit includes. Signed-off-by: Matthew Wilcox <mawil...@microsoft.com> [ Just take the tools/include/linux/* portions of this patch - gregkh] Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org> --- tools/include/linux/compiler.h | 4 ++++ tools/include/linux/spinlock.h | 5 +++++ 2 files changed, 9 insertions(+) --- a/tools/include/linux/compiler.h +++ b/tools/include/linux/compiler.h @@ -25,6 +25,8 @@ #endif #define __user +#define __rcu +#define __read_mostly #ifndef __attribute_const__ # define __attribute_const__ @@ -54,6 +56,8 @@ # define unlikely(x) __builtin_expect(!!(x), 0) #endif +#define uninitialized_var(x) x = *(&(x)) + #define ACCESS_ONCE(x) (*(volatile typeof(x) *)&(x)) #include <linux/types.h> --- /dev/null +++ b/tools/include/linux/spinlock.h @@ -0,0 +1,5 @@ +#define spinlock_t pthread_mutex_t +#define DEFINE_SPINLOCK(x) pthread_mutex_t x = PTHREAD_MUTEX_INITIALIZER; + +#define spin_lock_irqsave(x, f) (void)f, pthread_mutex_lock(x) +#define spin_unlock_irqrestore(x, f) (void)f, pthread_mutex_unlock(x)
