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由 Cyrill Gorcunov 提交于
In case even if the kernel is configured so that no APIC support is built-in we still may allow to use certain apic functions as dummy calls. In particular we start using it in perf-events code. Note that this is not that same as NOOP apic driver (which is used if APIC support is present but no physical APIC is available), this is for the case when we don't have apic code compiled in at all. Signed-off-by: NCyrill Gorcunov <gorcunov@openvz.org> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Yinghai Lu <yinghai@kernel.org> Cc: Yinghai Lu <yinghai@kernel.org> LKML-Reference: <20100317104356.011052632@openvz.org> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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