Searched refs:preempt_count (Results 1 - 25 of 80) sorted by relevance

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/linux-master/tools/testing/radix-tree/linux/
H A Dpreempt.h5 extern int preempt_count;
7 #define preempt_disable() uatomic_inc(&preempt_count)
8 #define preempt_enable() uatomic_dec(&preempt_count)
/linux-master/arch/s390/include/asm/
H A Dpreempt.h15 static __always_inline int preempt_count(void) function
17 return READ_ONCE(S390_lowcore.preempt_count) & ~PREEMPT_NEED_RESCHED;
25 old = READ_ONCE(S390_lowcore.preempt_count);
28 } while (__atomic_cmpxchg(&S390_lowcore.preempt_count,
34 __atomic_and(~PREEMPT_NEED_RESCHED, &S390_lowcore.preempt_count);
39 __atomic_or(PREEMPT_NEED_RESCHED, &S390_lowcore.preempt_count);
44 return !(READ_ONCE(S390_lowcore.preempt_count) & PREEMPT_NEED_RESCHED);
55 __atomic_add_const(val, &S390_lowcore.preempt_count);
59 __atomic_add(val, &S390_lowcore.preempt_count);
69 return __atomic_add(-1, &S390_lowcore.preempt_count)
82 static __always_inline int preempt_count(void) function
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/linux-master/include/asm-generic/
H A Dpreempt.h9 static __always_inline int preempt_count(void) function
11 return READ_ONCE(current_thread_info()->preempt_count);
16 return &current_thread_info()->preempt_count;
28 task_thread_info(p)->preempt_count = FORK_PREEMPT_COUNT; \
32 task_thread_info(p)->preempt_count = PREEMPT_DISABLED; \
49 * The various preempt_count add/sub methods
77 return unlikely(preempt_count() == preempt_offset &&
/linux-master/arch/x86/include/asm/
H A Dpreempt.h24 static __always_inline int preempt_count(void) function
26 return raw_cpu_read_4(pcpu_hot.preempt_count) & ~PREEMPT_NEED_RESCHED;
33 old = raw_cpu_read_4(pcpu_hot.preempt_count);
37 } while (!raw_cpu_try_cmpxchg_4(pcpu_hot.preempt_count, &old, new));
46 per_cpu(pcpu_hot.preempt_count, (cpu)) = PREEMPT_DISABLED; \
60 raw_cpu_and_4(pcpu_hot.preempt_count, ~PREEMPT_NEED_RESCHED);
65 raw_cpu_or_4(pcpu_hot.preempt_count, PREEMPT_NEED_RESCHED);
70 return !(raw_cpu_read_4(pcpu_hot.preempt_count) & PREEMPT_NEED_RESCHED);
74 * The various preempt_count add/sub methods
79 raw_cpu_add_4(pcpu_hot.preempt_count, va
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H A Dcurrent.h19 int preempt_count; member in struct:pcpu_hot::__anon183::__anon184
/linux-master/arch/arm64/include/asm/
H A Dpreempt.h11 static inline int preempt_count(void) function
23 task_thread_info(p)->preempt_count = FORK_PREEMPT_COUNT; \
27 task_thread_info(p)->preempt_count = PREEMPT_DISABLED; \
62 u64 pc = READ_ONCE(ti->preempt_count);
70 * preempt_count in case the need_resched flag was cleared by an
74 return !pc || !READ_ONCE(ti->preempt_count);
79 u64 pc = READ_ONCE(current_thread_info()->preempt_count);
/linux-master/include/linux/
H A Dpreempt.h7 * preempt_count (used for kernel preemption, interrupt count, etc.)
68 * Initial preempt_count value; reflects the preempt_count schedule invariant
71 * preempt_count() == 2*PREEMPT_DISABLE_OFFSET
78 /* preempt_count() and related functions, depends on PREEMPT_NEED_RESCHED */
92 unsigned long pc = preempt_count();
103 * These macro definitions avoid redundant invocations of preempt_count()
105 * preempt_count() is commonly implemented with READ_ONCE().
108 #define nmi_count() (preempt_count() & NMI_MASK)
109 #define hardirq_count() (preempt_count()
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/linux-master/arch/openrisc/include/asm/
H A Dthread_info.h47 __s32 preempt_count; /* 0 => preemptable, <0 => BUG */ member in struct:thread_info
59 * preempt_count needs to be 1 initially, until the scheduler is functional.
67 .preempt_count = INIT_PREEMPT_COUNT, \
/linux-master/arch/hexagon/include/asm/
H A Dthread_info.h35 int preempt_count; /* 0=>preemptible,<0=>BUG */ member in struct:thread_info
63 .preempt_count = 1, \
/linux-master/arch/um/include/asm/
H A Dthread_info.h23 int preempt_count; /* 0 => preemptable, member in struct:thread_info
35 .preempt_count = INIT_PREEMPT_COUNT, \
/linux-master/lib/
H A Dsmp_processor_id.c16 if (likely(preempt_count()))
46 what1, what2, preempt_count() - 1, current->comm, current->pid);
/linux-master/arch/m68k/include/asm/
H A Dthread_info.h29 int preempt_count; /* 0 => preemptable, <0 => BUG */ member in struct:thread_info
38 .preempt_count = INIT_PREEMPT_COUNT, \
/linux-master/arch/nios2/include/asm/
H A Dthread_info.h40 int preempt_count; /* 0 => preemptable,<0 => BUG */ member in struct:thread_info
47 * preempt_count needs to be 1 initially, until the scheduler is functional.
54 .preempt_count = INIT_PREEMPT_COUNT, \
/linux-master/arch/arc/include/asm/
H A Dthread_info.h41 int preempt_count; /* 0 => preemptable, <0 => BUG */ member in struct:thread_info
56 .preempt_count = INIT_PREEMPT_COUNT, \
/linux-master/tools/testing/radix-tree/
H A Dmain.c244 nr_allocated, preempt_count);
248 nr_allocated, preempt_count);
252 nr_allocated, preempt_count);
256 nr_allocated, preempt_count);
260 nr_allocated, preempt_count);
264 nr_allocated, preempt_count);
269 nr_allocated, preempt_count);
273 nr_allocated, preempt_count);
281 nr_allocated, preempt_count);
324 nr_allocated, preempt_count);
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/linux-master/arch/sparc/include/asm/
H A Dthread_info_32.h33 int preempt_count; /* 0 => preemptable, member in struct:thread_info
63 .preempt_count = INIT_PREEMPT_COUNT, \
88 #define TI_PREEMPT 0x10 /* preempt_count */
/linux-master/arch/parisc/include/asm/
H A Dthread_info.h11 int preempt_count; /* 0=premptable, <0=BUG; will also serve as bh-counter */ member in struct:thread_info
20 .preempt_count = INIT_PREEMPT_COUNT, \
/linux-master/arch/microblaze/include/asm/
H A Dthread_info.h64 __s32 preempt_count; /* 0 => preemptable,< 0 => BUG*/ member in struct:thread_info
77 .preempt_count = INIT_PREEMPT_COUNT, \
/linux-master/arch/csky/include/asm/
H A Dthread_info.h17 int preempt_count; member in struct:thread_info
27 .preempt_count = INIT_PREEMPT_COUNT, \
/linux-master/arch/xtensa/include/asm/
H A Dthread_info.h53 __s32 preempt_count; /* 0 => preemptable,< 0 => BUG*/ member in struct:thread_info
90 .preempt_count = INIT_PREEMPT_COUNT, \
/linux-master/arch/riscv/include/asm/
H A Dthread_info.h49 int preempt_count; /* 0=>preemptible, <0=>BUG */ member in struct:thread_info
76 * preempt_count needs to be 1 initially, until the scheduler is functional.
81 .preempt_count = INIT_PREEMPT_COUNT, \
/linux-master/arch/loongarch/include/asm/
H A Dthread_info.h29 int preempt_count; /* 0 => preemptible, <0 => BUG */ member in struct:thread_info
43 .preempt_count = INIT_PREEMPT_COUNT, \
/linux-master/arch/sh/kernel/
H A Dirq.c93 * Copy the softirq bits in preempt_count so that the
96 irqctx->tinfo.preempt_count =
97 (irqctx->tinfo.preempt_count & ~SOFTIRQ_MASK) |
98 (curctx->tinfo.preempt_count & SOFTIRQ_MASK);
130 irqctx->tinfo.preempt_count = HARDIRQ_OFFSET;
138 irqctx->tinfo.preempt_count = 0;
/linux-master/arch/alpha/include/asm/
H A Dthread_info.h23 int preempt_count; /* 0 => preemptable, <0 => BUG */ member in struct:thread_info
38 .preempt_count = INIT_PREEMPT_COUNT, \
/linux-master/arch/sh/include/asm/
H A Dthread_info.h32 int preempt_count; /* 0 => preemptable, <0 => BUG */ member in struct:thread_info
59 .preempt_count = INIT_PREEMPT_COUNT, \

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