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kvm: Add documentation comment for kvm_irqchip_in_kernel()

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Now we've cleared out the architecture-independent uses of
kvm_irqchip_in_kernel(), we can add a doc comment describing
what it means.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Peter Maydell 2012-07-26 15:35:17 +01:00 committed by Avi Kivity
parent f3e1bed8da
commit 96fda35ac4
1 changed files with 11 additions and 0 deletions
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11
kvm.h
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@ -31,6 +31,17 @@ extern bool kvm_gsi_routing_allowed;
#if defined CONFIG_KVM || !defined NEED_CPU_H
#define kvm_enabled() (kvm_allowed)
/**
* kvm_irqchip_in_kernel:
*
* Returns: true if the user asked us to create an in-kernel
* irqchip via the "kernel_irqchip=on" machine option.
* What this actually means is architecture and machine model
* specific: on PC, for instance, it means that the LAPIC,
* IOAPIC and PIT are all in kernel. This function should never
* be used from generic target-independent code: use one of the
* following functions or some other specific check instead.
*/
#define kvm_irqchip_in_kernel() (kvm_kernel_irqchip)
/**