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author | Peter Maydell <peter.maydell@linaro.org> | 2012-08-06 14:56:14 +0100 |
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committer | Peter Maydell <peter.maydell@linaro.org> | 2012-08-06 16:05:45 +0100 |
commit | 062ace3ca46a1b6a27f4afea0fdc6138d92aba55 (patch) | |
tree | b9023a6bd4d7396396ba2d5698ece62a76a2aa3b | |
parent | 911fae16171059f1afcafb963cdf3a3de1187c07 (diff) |
kvm: Add documentation comment for kvm_irqchip_in_kernel()
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>
-rw-r--r-- | kvm.h | 11 |
1 files changed, 11 insertions, 0 deletions
@@ -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) /** |