diff options
Diffstat (limited to 'include/acpi/platform/aclinux.h')
| -rw-r--r-- | include/acpi/platform/aclinux.h | 27 |
1 files changed, 25 insertions, 2 deletions
diff --git a/include/acpi/platform/aclinux.h b/include/acpi/platform/aclinux.h index 3f853cabbd41..47faf27913a5 100644 --- a/include/acpi/platform/aclinux.h +++ b/include/acpi/platform/aclinux.h @@ -59,6 +59,7 @@ #include <asm/acpi.h> #include <linux/slab.h> #include <linux/spinlock_types.h> +#include <asm/current.h> /* Host-dependent types and defines */ @@ -100,8 +101,30 @@ #define acpi_cpu_flags unsigned long -#define acpi_thread_id u32 +#define acpi_thread_id struct task_struct * -static inline acpi_thread_id acpi_os_get_thread_id(void) { return 0; } +static inline acpi_thread_id acpi_os_get_thread_id(void) { return current; } + +/* + * The irqs_disabled() check is for resume from RAM. + * Interrupts are off during resume, just like they are for boot. + * However, boot has (system_state != SYSTEM_RUNNING) + * to quiet __might_sleep() in kmalloc() and resume does not. + */ +#include <acpi/actypes.h> +static inline void *acpi_os_allocate(acpi_size size) { + return kmalloc(size, irqs_disabled() ? GFP_ATOMIC : GFP_KERNEL); +} +static inline void *acpi_os_allocate_zeroed(acpi_size size) { + return kzalloc(size, irqs_disabled() ? GFP_ATOMIC : GFP_KERNEL); +} + +static inline void *acpi_os_acquire_object(acpi_cache_t * cache) { + return kmem_cache_zalloc(cache, irqs_disabled() ? GFP_ATOMIC : GFP_KERNEL); +} + +#define ACPI_ALLOCATE(a) acpi_os_allocate(a) +#define ACPI_ALLOCATE_ZEROED(a) acpi_os_allocate_zeroed(a) +#define ACPI_FREE(a) kfree(a) #endif /* __ACLINUX_H__ */ |