Searched hist:"8 d6f7c5a" (Results 1 – 2 of 2) sorted by relevance
/openbmc/linux/arch/powerpc/platforms/powernv/ |
H A D | smp.c | 8d6f7c5a Fri May 23 03:15:26 CDT 2014 Michael Ellerman <mpe@ellerman.id.au> powerpc/powernv: Make it possible to skip the IRQHAPPENED check in power7_nap()
To support split core we need to be able to force all secondaries into nap, so the core can detect they are idle and do an unsplit.
Currently power7_nap() will return without napping if there is an irq pending. We want to ignore the pending irq and nap anyway, we will deal with the interrupt later.
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Signed-off-by: Michael Neuling <mikey@neuling.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> 8d6f7c5a Fri May 23 03:15:26 CDT 2014 Michael Ellerman <mpe@ellerman.id.au> powerpc/powernv: Make it possible to skip the IRQHAPPENED check in power7_nap() To support split core we need to be able to force all secondaries into nap, so the core can detect they are idle and do an unsplit. Currently power7_nap() will return without napping if there is an irq pending. We want to ignore the pending irq and nap anyway, we will deal with the interrupt later. Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Signed-off-by: Michael Neuling <mikey@neuling.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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/openbmc/linux/arch/powerpc/include/asm/ |
H A D | processor.h | 8d6f7c5a Fri May 23 03:15:26 CDT 2014 Michael Ellerman <mpe@ellerman.id.au> powerpc/powernv: Make it possible to skip the IRQHAPPENED check in power7_nap()
To support split core we need to be able to force all secondaries into nap, so the core can detect they are idle and do an unsplit.
Currently power7_nap() will return without napping if there is an irq pending. We want to ignore the pending irq and nap anyway, we will deal with the interrupt later.
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Signed-off-by: Michael Neuling <mikey@neuling.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> 8d6f7c5a Fri May 23 03:15:26 CDT 2014 Michael Ellerman <mpe@ellerman.id.au> powerpc/powernv: Make it possible to skip the IRQHAPPENED check in power7_nap() To support split core we need to be able to force all secondaries into nap, so the core can detect they are idle and do an unsplit. Currently power7_nap() will return without napping if there is an irq pending. We want to ignore the pending irq and nap anyway, we will deal with the interrupt later. Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Signed-off-by: Michael Neuling <mikey@neuling.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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