9844ab11c7
Introduce NOOP APIC driver. We should use it in case if apic was disabled due to hardware of software/firmware problems (including user requested to disable it case). The driver is attempting to catch any inappropriate apic operation call with warning issue. Also it is possible to use some apic operation like IPI calls, read/write without checking for apic presence which should make callers code easier. Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org> Cc: yinghai@kernel.org Cc: macro@linux-mips.org LKML-Reference: <20091013201022.534682104@openvz.org> Signed-off-by: Ingo Molnar <mingo@elte.hu> |
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