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cpumask: Add assign cpu

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Standardize an assign_cpu function for cpumasks.

Signed-off-by: Charlie Jenkins <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Palmer Dabbelt <[email protected]>
This commit is contained in:
Charlie Jenkins authored and Palmer Dabbelt committed 2024-04-18 08:11:00 -07:00
1 parent 6a08e4709c
commit decde1fa20
2 files changed
+17 -1
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arch/riscv/mm/cacheflush.c
+1 -1
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@@ -170,7 +170,7 @@ static void set_icache_stale_mask(void)
stale_cpu = cpumask_test_cpu(smp_processor_id(), mask);
cpumask_setall(mask);
assign_bit(cpumask_check(smp_processor_id()), cpumask_bits(mask), stale_cpu);
cpumask_assign_cpu(smp_processor_id(), mask, stale_cpu);
}
#endif
include/linux/cpumask.h
+16
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@@ -492,6 +492,22 @@ static __always_inline void __cpumask_clear_cpu(int cpu, struct cpumask *dstp)
__clear_bit(cpumask_check(cpu), cpumask_bits(dstp));
}
/**
* cpumask_assign_cpu - assign a cpu in a cpumask
* @cpu: cpu number (< nr_cpu_ids)
* @dstp: the cpumask pointer
* @bool: the value to assign
*/
static __always_inline void cpumask_assign_cpu(int cpu, struct cpumask *dstp, bool value)
{
assign_bit(cpumask_check(cpu), cpumask_bits(dstp), value);
}
static __always_inline void __cpumask_assign_cpu(int cpu, struct cpumask *dstp, bool value)
{
__assign_bit(cpumask_check(cpu), cpumask_bits(dstp), value);
}
/**
* cpumask_test_cpu - test for a cpu in a cpumask
* @cpu: cpu number (< nr_cpu_ids)