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add cpu_do_idle to handle idle

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add wrap function cpu_do_idle in default_idle to handle arch cpu specific
idle operation.

Signed-off-by: Jason Chen CJ <jason.cj.chen@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
This commit is contained in:
Jason Chen CJ
2018-08-04 19:11:49 +08:00
committed by lijinxia
parent b78aa347e0
commit b1612e3072
3 changed files with 8 additions and 3 deletions
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5
hypervisor/arch/x86/cpu.c
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@@ -748,6 +748,11 @@ void stop_cpus()
}
}
void cpu_do_idle(__unused uint16_t pcpu_id)
{
__asm __volatile("pause" ::: "memory");
}
void cpu_dead(uint16_t pcpu_id)
{
/* For debug purposes, using a stack variable in the while loop enables