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Drivers: hv: Issue explicit EOI when autoeoi is not enabled

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When auto EOI is not enabled; issue an explicit EOI for hyper-v
interrupts.

Fixes: 6c248aad81 ("Drivers: hv: Base autoeoi enablement based on hypervisor hints")

Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
K. Y. Srinivasan
2017-03-28 17:16:53 -07:00
committed by Greg Kroah-Hartman
parent a1d6f9cfc7
commit a33fd4c27b
1 changed files with 3 additions and 0 deletions
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3
arch/x86/kernel/cpu/mshyperv.c
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@@ -49,6 +49,9 @@ void hyperv_vector_handler(struct pt_regs *regs)
if (vmbus_handler) if (vmbus_handler)
vmbus_handler(); vmbus_handler();
if (ms_hyperv.hints & HV_X64_DEPRECATING_AEOI_RECOMMENDED)
ack_APIC_irq();
exiting_irq(); exiting_irq();
set_irq_regs(old_regs); set_irq_regs(old_regs);
} }