Searched hist:dbe78b40118636f2d5d276144239dd4bfd5f04f9 (Results 1 – 2 of 2) sorted by relevance
| /linux/arch/powerpc/platforms/pseries/ |
| H A D | smp.c | diff dbe78b40118636f2d5d276144239dd4bfd5f04f9 Wed Sep 25 06:02:50 CEST 2013 Benjamin Herrenschmidt <benh@kernel.crashing.org> powerpc/pseries: Do not start secondaries in Open Firmware
Starting secondary CPUs early on from Open Firmware and placing them
in a holding spin loop slows down the boot process significantly under
some hypervisors such as KVM.
This is also unnecessary when RTAS supports querying the CPU state
So let's not do it.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
|
| /linux/arch/powerpc/kernel/ |
| H A D | prom_init.c | diff dbe78b40118636f2d5d276144239dd4bfd5f04f9 Wed Sep 25 06:02:50 CEST 2013 Benjamin Herrenschmidt <benh@kernel.crashing.org> powerpc/pseries: Do not start secondaries in Open Firmware
Starting secondary CPUs early on from Open Firmware and placing them
in a holding spin loop slows down the boot process significantly under
some hypervisors such as KVM.
This is also unnecessary when RTAS supports querying the CPU state
So let's not do it.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
|