generic-y += exec.h
generic-y += trace_clock.h
+generic-y += preempt.h
generic-y += user.h
generic-y += vga.h
generic-y += xor.h
+generic-y += preempt.h
generic-y += trace_clock.h
generic-y += types.h
generic-y += unaligned.h
+generic-y += preempt.h
generic-y += user.h
generic-y += vga.h
generic-y += xor.h
+generic-y += preempt.h
generic-y += exec.h
generic-y += trace_clock.h
generic-y += param.h
+generic-y += preempt.h
generic-y += unaligned.h
generic-y += user.h
generic-y += xor.h
+generic-y += preempt.h
generic-y += user.h
generic-y += vga.h
generic-y += xor.h
+generic-y += preempt.h
generic-y += trace_clock.h
generic-y += vga.h
generic-y += xor.h
+generic-y += preempt.h
generic-y += clkdev.h
generic-y += exec.h
generic-y += trace_clock.h
+generic-y += preempt.h
generic-y += module.h
generic-y += trace_clock.h
generic-y += xor.h
+generic-y += preempt.h
generic-y += ucontext.h
generic-y += unaligned.h
generic-y += xor.h
+generic-y += preempt.h
generic-y += exec.h
generic-y += kvm_para.h
generic-y += trace_clock.h
+generic-y += preempt.h
generic-y += vtime.h
\ No newline at end of file
generic-y += exec.h
generic-y += module.h
generic-y += trace_clock.h
+generic-y += preempt.h
generic-y += types.h
generic-y += word-at-a-time.h
generic-y += xor.h
+generic-y += preempt.h
generic-y += user.h
generic-y += vga.h
generic-y += xor.h
+generic-y += preempt.h
generic-y += exec.h
generic-y += trace_clock.h
generic-y += syscalls.h
+generic-y += preempt.h
generic-y += segment.h
generic-y += serial.h
generic-y += trace_clock.h
+generic-y += preempt.h
generic-y += ucontext.h
generic-y += xor.h
generic-y += clkdev.h
generic-y += exec.h
generic-y += trace_clock.h
+generic-y += preempt.h
generic-y += user.h
generic-y += word-at-a-time.h
generic-y += xor.h
+generic-y += preempt.h
div64.h irq_regs.h kdebug.h kvm_para.h local64.h local.h param.h \
poll.h xor.h clkdev.h exec.h
generic-y += trace_clock.h
+generic-y += preempt.h
generic-y += clkdev.h
generic-y += rwsem.h
generic-y += trace_clock.h
+generic-y += preempt.h
generic-y += vtime.h
\ No newline at end of file
generic-y += clkdev.h
generic-y += trace_clock.h
+generic-y += preempt.h
generic-y += clkdev.h
generic-y += trace_clock.h
generic-y += xor.h
+generic-y += preempt.h
generic-y += trace_clock.h
generic-y += ucontext.h
generic-y += xor.h
+generic-y += preempt.h
generic-y += trace_clock.h
generic-y += types.h
generic-y += word-at-a-time.h
+generic-y += preempt.h
generic-y += trace_clock.h
generic-y += types.h
generic-y += xor.h
+generic-y += preempt.h
generic-y += ftrace.h pci.h io.h param.h delay.h mutex.h current.h exec.h
generic-y += switch_to.h clkdev.h
generic-y += trace_clock.h
+generic-y += preempt.h
generic-y += user.h
generic-y += vga.h
generic-y += xor.h
+generic-y += preempt.h
genhdr-y += unistd_x32.h
generic-y += clkdev.h
+generic-y += preempt.h
generic-y += topology.h
generic-y += trace_clock.h
generic-y += xor.h
+generic-y += preempt.h
--- /dev/null
+#ifndef __ASM_PREEMPT_H
+#define __ASM_PREEMPT_H
+
+#include <linux/thread_info.h>
+
+/*
+ * We mask the PREEMPT_NEED_RESCHED bit so as not to confuse all current users
+ * that think a non-zero value indicates we cannot preempt.
+ */
+static __always_inline int preempt_count(void)
+{
+ return current_thread_info()->preempt_count & ~PREEMPT_NEED_RESCHED;
+}
+
+static __always_inline int *preempt_count_ptr(void)
+{
+ return ¤t_thread_info()->preempt_count;
+}
+
+/*
+ * We now loose PREEMPT_NEED_RESCHED and cause an extra reschedule; however the
+ * alternative is loosing a reschedule. Better schedule too often -- also this
+ * should be a very rare operation.
+ */
+static __always_inline void preempt_count_set(int pc)
+{
+ *preempt_count_ptr() = pc;
+}
+
+/*
+ * We fold the NEED_RESCHED bit into the preempt count such that
+ * preempt_enable() can decrement and test for needing to reschedule with a
+ * single instruction.
+ *
+ * We invert the actual bit, so that when the decrement hits 0 we know we both
+ * need to resched (the bit is cleared) and can resched (no preempt count).
+ */
+
+static __always_inline void set_preempt_need_resched(void)
+{
+ *preempt_count_ptr() &= ~PREEMPT_NEED_RESCHED;
+}
+
+static __always_inline void clear_preempt_need_resched(void)
+{
+ *preempt_count_ptr() |= PREEMPT_NEED_RESCHED;
+}
+
+static __always_inline bool test_preempt_need_resched(void)
+{
+ return !(*preempt_count_ptr() & PREEMPT_NEED_RESCHED);
+}
+
+#endif /* __ASM_PREEMPT_H */
* preempt_count (used for kernel preemption, interrupt count, etc.)
*/
-#include <linux/thread_info.h>
#include <linux/linkage.h>
#include <linux/list.h>
*/
#define PREEMPT_NEED_RESCHED 0x80000000
-/*
- * We mask the PREEMPT_NEED_RESCHED bit so as not to confuse all current users
- * that think a non-zero value indicates we cannot preempt.
- */
-static __always_inline int preempt_count(void)
-{
- return current_thread_info()->preempt_count & ~PREEMPT_NEED_RESCHED;
-}
-
-static __always_inline int *preempt_count_ptr(void)
-{
- return ¤t_thread_info()->preempt_count;
-}
-
-/*
- * We now loose PREEMPT_NEED_RESCHED and cause an extra reschedule; however the
- * alternative is loosing a reschedule. Better schedule too often -- also this
- * should be a very rare operation.
- */
-static __always_inline void preempt_count_set(int pc)
-{
- *preempt_count_ptr() = pc;
-}
-
-/*
- * We fold the NEED_RESCHED bit into the preempt count such that
- * preempt_enable() can decrement and test for needing to reschedule with a
- * single instruction.
- *
- * We invert the actual bit, so that when the decrement hits 0 we know we both
- * need to resched (the bit is cleared) and can resched (no preempt count).
- */
-
-static __always_inline void set_preempt_need_resched(void)
-{
- *preempt_count_ptr() &= ~PREEMPT_NEED_RESCHED;
-}
-
-static __always_inline void clear_preempt_need_resched(void)
-{
- *preempt_count_ptr() |= PREEMPT_NEED_RESCHED;
-}
-
-static __always_inline bool test_preempt_need_resched(void)
-{
- return !(*preempt_count_ptr() & PREEMPT_NEED_RESCHED);
-}
+#include <asm/preempt.h>
#if defined(CONFIG_DEBUG_PREEMPT) || defined(CONFIG_PREEMPT_TRACER)
extern void add_preempt_count(int val);
projects / kernel / kernel-generic.git / commitdiff