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hv: softirq: refine softirq

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1. add register_softirq to register a softirq handler
2. rename exec_softirq to do_softirq; raise_softirq to fire_softirq.
3. in do_softirq call registered softirq handler not call
the device softirq handle function directly
4. enable irq after vm exit and disable irq after the first
call do_softirq before vm enter.
5. call do_softirq again when irq disabled to handle the risk
unhandled softirq.
6. rename SOFTIRQ_DEV_ASSIGN to SOFTIRQ_PTDEV
7. remove SOFTIRQ_ATOMIC

Signed-off-by: Li, Fei1 <fei1.li@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
This commit is contained in:
Li, Fei1
2018-07-30 15:58:36 +08:00
committed by lijinxia
parent 073583cc41
commit 457ecd6ef7
8 changed files with 82 additions and 122 deletions
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8
hypervisor/arch/x86/vmexit.c
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@@ -216,11 +216,11 @@ int vmexit_handler(struct vcpu *vcpu)
/* Handling external_interrupt
* should disable intr
*/
ret = dispatch->handler(vcpu);
} else {
CPU_IRQ_ENABLE();
ret = dispatch->handler(vcpu);
CPU_IRQ_DISABLE();
ret = dispatch->handler(vcpu);
CPU_IRQ_ENABLE();
} else {
ret = dispatch->handler(vcpu);
}
return ret;