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Date: Tue, 28 Mar 2017 17:16:53 -0700 From: kys@...hange.microsoft.com To: gregkh@...uxfoundation.org, linux-kernel@...r.kernel.org, devel@...uxdriverproject.org, olaf@...fle.de, apw@...onical.com, vkuznets@...hat.com, jasowang@...hat.com, leann.ogasawara@...onical.com, marcelo.cerri@...onical.com Cc: "K. Y. Srinivasan" <kys@...rosoft.com> Subject: [PATCH 1/1] Drivers: hv: Issue explicit EOI when autoeoi is not enabled From: K. Y. Srinivasan <kys@...rosoft.com> When auto EOI is not enabled; issue an explicit EOI for hyper-v interrupts. Fixes: 6c248aad81c8 ("Drivers: hv: Base autoeoi enablement based on hypervisor hints") Signed-off-by: K. Y. Srinivasan <kys@...rosoft.com> --- arch/x86/kernel/cpu/mshyperv.c | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-) diff --git a/arch/x86/kernel/cpu/mshyperv.c b/arch/x86/kernel/cpu/mshyperv.c index b5375b9..04cb8d3 100644 --- a/arch/x86/kernel/cpu/mshyperv.c +++ b/arch/x86/kernel/cpu/mshyperv.c @@ -49,6 +49,9 @@ void hyperv_vector_handler(struct pt_regs *regs) if (vmbus_handler) vmbus_handler(); + if (ms_hyperv.hints & HV_X64_DEPRECATING_AEOI_RECOMMENDED) + ack_APIC_irq(); + exiting_irq(); set_irq_regs(old_regs); } -- 1.7.1
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