cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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spinlock_types_raw.h (1726B)


      1#ifndef __LINUX_SPINLOCK_TYPES_RAW_H
      2#define __LINUX_SPINLOCK_TYPES_RAW_H
      3
      4#include <linux/types.h>
      5
      6#if defined(CONFIG_SMP)
      7# include <asm/spinlock_types.h>
      8#else
      9# include <linux/spinlock_types_up.h>
     10#endif
     11
     12#include <linux/lockdep_types.h>
     13
     14typedef struct raw_spinlock {
     15	arch_spinlock_t raw_lock;
     16#ifdef CONFIG_DEBUG_SPINLOCK
     17	unsigned int magic, owner_cpu;
     18	void *owner;
     19#endif
     20#ifdef CONFIG_DEBUG_LOCK_ALLOC
     21	struct lockdep_map dep_map;
     22#endif
     23} raw_spinlock_t;
     24
     25#define SPINLOCK_MAGIC		0xdead4ead
     26
     27#define SPINLOCK_OWNER_INIT	((void *)-1L)
     28
     29#ifdef CONFIG_DEBUG_LOCK_ALLOC
     30# define RAW_SPIN_DEP_MAP_INIT(lockname)		\
     31	.dep_map = {					\
     32		.name = #lockname,			\
     33		.wait_type_inner = LD_WAIT_SPIN,	\
     34	}
     35# define SPIN_DEP_MAP_INIT(lockname)			\
     36	.dep_map = {					\
     37		.name = #lockname,			\
     38		.wait_type_inner = LD_WAIT_CONFIG,	\
     39	}
     40
     41# define LOCAL_SPIN_DEP_MAP_INIT(lockname)		\
     42	.dep_map = {					\
     43		.name = #lockname,			\
     44		.wait_type_inner = LD_WAIT_CONFIG,	\
     45		.lock_type = LD_LOCK_PERCPU,		\
     46	}
     47#else
     48# define RAW_SPIN_DEP_MAP_INIT(lockname)
     49# define SPIN_DEP_MAP_INIT(lockname)
     50# define LOCAL_SPIN_DEP_MAP_INIT(lockname)
     51#endif
     52
     53#ifdef CONFIG_DEBUG_SPINLOCK
     54# define SPIN_DEBUG_INIT(lockname)		\
     55	.magic = SPINLOCK_MAGIC,		\
     56	.owner_cpu = -1,			\
     57	.owner = SPINLOCK_OWNER_INIT,
     58#else
     59# define SPIN_DEBUG_INIT(lockname)
     60#endif
     61
     62#define __RAW_SPIN_LOCK_INITIALIZER(lockname)	\
     63{						\
     64	.raw_lock = __ARCH_SPIN_LOCK_UNLOCKED,	\
     65	SPIN_DEBUG_INIT(lockname)		\
     66	RAW_SPIN_DEP_MAP_INIT(lockname) }
     67
     68#define __RAW_SPIN_LOCK_UNLOCKED(lockname)	\
     69	(raw_spinlock_t) __RAW_SPIN_LOCK_INITIALIZER(lockname)
     70
     71#define DEFINE_RAW_SPINLOCK(x)  raw_spinlock_t x = __RAW_SPIN_LOCK_UNLOCKED(x)
     72
     73#endif /* __LINUX_SPINLOCK_TYPES_RAW_H */