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authorAndre Przywara <andre.przywara@arm.com>2016-08-16 17:51:06 +0100
committerChristoffer Dall <christoffer.dall@linaro.org>2016-08-16 19:27:22 +0200
commit286054a7a8674b256da16564d96772b88896eb35 (patch)
tree9fcbe7e37c7da2983b2c08fb5470ff5fd25d9673 /tools/arch
parent505a19eec49ab36b314a05bc062749ebdfb0aa90 (diff)
KVM: arm64: ITS: avoid re-mapping LPIs
When a guest wants to map a device-ID/event-ID combination that is already mapped, we may end up in a situation where an LPI is never "put", thus never being freed. Since the GICv3 spec says that mapping an already mapped LPI is UNPREDICTABLE, lets just bail out early in this situation to avoid any potential leaks. Signed-off-by: Andre Przywara <andre.przywara@arm.com> Reviewed-by: Christoffer Dall <christoffer.dall@linaro.org> Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
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