kernel: SMP: allow more than 5 CPU cores
Previously we limit maximum number of CPU cores to 5, now be bumping this restriction so we can use 12 cores. Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com> Signed-off-by: Evgeniy Paltsev <PaltsevEvgeniy@gmail.com>
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3 changed files with 8 additions and 4 deletions
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@ -121,8 +121,12 @@ struct _thread_base {
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#ifdef CONFIG_SCHED_CPU_MASK
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/* "May run on" bits for each CPU */
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#if CONFIG_MP_MAX_NUM_CPUS <= 8
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uint8_t cpu_mask;
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#else
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uint16_t cpu_mask;
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#endif
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#endif /* CONFIG_SCHED_CPU_MASK */
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/* data returned by APIs */
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void *swap_data;
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@ -989,7 +989,7 @@ config SMP_BOOT_DELAY
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config MP_NUM_CPUS
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int "Number of CPUs/cores"
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default MP_MAX_NUM_CPUS
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range 1 5
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range 1 12
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help
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Number of multiprocessing-capable cores available to the
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multicpu API and SMP features.
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@ -997,7 +997,7 @@ config MP_NUM_CPUS
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config MP_MAX_NUM_CPUS
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int "Maximum number of CPUs/cores"
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default 1
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range 1 5
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range 1 12
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help
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Maximum number of multiprocessing-capable cores available to the
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multicpu API and SMP features.
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@ -1621,8 +1621,8 @@ static inline int z_vrfy_k_is_preempt_thread(void)
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#ifdef CONFIG_SCHED_CPU_MASK
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# ifdef CONFIG_SMP
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/* Right now we use a single byte for this mask */
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BUILD_ASSERT(CONFIG_MP_MAX_NUM_CPUS <= 8, "Too many CPUs for mask word");
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/* Right now we use a two byte for this mask */
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BUILD_ASSERT(CONFIG_MP_MAX_NUM_CPUS <= 16, "Too many CPUs for mask word");
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# endif
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