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cpus: Introduce cpu_list_generation_id

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Introduce cpu_list_generation_id to track cpu list generation so
that cpu hotplug/unplug can be detected during measurement of
dirty page rate.

cpu_list_generation_id could be used to detect changes of cpu
list, which is prepared for dirty page rate measurement.

Signed-off-by: Hyman Huang(黄勇) <huangy81@chinatelecom.cn>
Reviewed-by: Peter Xu <peterx@redhat.com>
Message-Id: <06e1f1362b2501a471dce796abb065b04f320fa5.1656177590.git.huangy81@chinatelecom.cn>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
This commit is contained in:
Hyman Huang(黄勇)
2022-06-26 01:38:31 +08:00
committed by Dr. David Alan Gilbert
parent 1667e2b97b
commit ab1a161fe3
2 changed files with 9 additions and 0 deletions
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1
include/exec/cpu-common.h
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@ -35,6 +35,7 @@ extern intptr_t qemu_host_page_mask;
void qemu_init_cpu_list(void);
void cpu_list_lock(void);
void cpu_list_unlock(void);
unsigned int cpu_list_generation_id_get(void);
void tcg_flush_softmmu_tlb(CPUState *cs);