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hv: use asm_pause() to replace inline ASM to satisfy MISRAC

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pause_cpu() --> asm_pause()
hlt_cpu() --> asm_hlt()
inline ASM pause --> asm_pause()

Tracked-On: #1821
Signed-off-by: Shuo A Liu <shuo.a.liu@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
This commit is contained in:
Shuo A Liu
2018-12-26 14:05:05 +08:00
committed by wenlingz
parent 329ea42d73
commit e8ac97671f
6 changed files with 9 additions and 8 deletions
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4
hypervisor/arch/x86/cpu.c
View File

@@ -301,7 +301,7 @@ void stop_cpus(void)
void cpu_do_idle(void)
{
__asm __volatile("pause" ::: "memory");
asm_pause();
}
/**
@@ -325,7 +325,7 @@ void cpu_dead(void)
/* Halt the CPU */
do {
hlt_cpu();
asm_hlt();
} while (halt != 0);
} else {
pr_err("pcpu%hu already dead", pcpu_id);

2
hypervisor/arch/x86/guest/vcpu.c
View File

@@ -578,7 +578,7 @@ void pause_vcpu(struct acrn_vcpu *vcpu, enum vcpu_state new_state)
if (vcpu->pcpu_id != pcpu_id) {
while (atomic_load32(&vcpu->running) == 1U)
__asm__ __volatile("pause" ::: "memory");
asm_pause();
}
} else {
remove_from_cpu_runqueue(&vcpu->sched_obj, vcpu->pcpu_id);

2
hypervisor/arch/x86/vtd.c
View File

@@ -256,7 +256,7 @@ static inline void dmar_wait_completion(const struct dmar_drhd_rt *dmar_unit, ui
}
ASSERT(((rdtsc() - start) < CYCLES_PER_MS),
"DMAR OP Timeout!");
pause_cpu();
asm_pause();
}
}