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| author | K. Y. Srinivasan <kys@microsoft.com> | 2017-03-29 03:16:53 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-04-08 19:07:51 +0300 |
| commit | a33fd4c27b3ad11c66bdadc5fe6075297ca87a6d (patch) | |
| tree | d79a91c5f115822e1476068be8a213d5ece00dfa | |
| parent | a1d6f9cfc7c6f55ae65430c2fd0eb2bae69dc246 (diff) | |
| download | linux-a33fd4c27b3ad11c66bdadc5fe6075297ca87a6d.tar.xz | |
Drivers: hv: Issue explicit EOI when autoeoi is not enabled
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@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | 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 b5375b9497b3..04cb8d34ccb8 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); } |