#ifdef CONFIG_ARCH_HAS_SYNC_CORE_BEFORE_USERMODE #include <asm/sync_core.h> #else /* * This is a dummy sync_core_before_usermode() implementation that can be used * on all architectures which return to user-space through core serializing * instructions. * If your architecture returns to user-space through non-core-serializing * instructions, you need to write your own functions.
*/ staticinlinevoid sync_core_before_usermode(void)
{
} #endif
#ifdef CONFIG_ARCH_HAS_PREPARE_SYNC_CORE_CMD #include <asm/sync_core.h> #else /* * This is a dummy prepare_sync_core_cmd() implementation that can be used on * all architectures which provide unconditional core serializing instructions * in switch_mm(). * If your architecture doesn't provide such core serializing instructions in * switch_mm(), you may need to write your own functions.
*/ staticinlinevoid prepare_sync_core_cmd(struct mm_struct *mm)
{
} #endif
#endif/* _LINUX_SYNC_CORE_H */
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