arm64: Delay cpuinfo_store_boot_cpu

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At the moment the boot CPU stores the cpuinfo long before the
PERCPU areas are initialised by the kernel. This could be problematic
as the non-boot CPU data structures might get copied with the data
from the boot CPU, giving us no chance to detect if a particular CPU
updated its cpuinfo. This patch delays the boot cpu store to
smp_prepare_boot_cpu().

Also kills the setup_processor() which no longer does meaningful
work.

Signed-off-by: Suzuki K. Poulose <suzuki.poulose@arm.com>
Tested-by: Dave Martin <Dave.Martin@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>

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Suzuki K. Poulose 2015-10-19 14:24:40 +01:00 • committed by Catalin Marinas

parent 3a75578efa

commit 4b998ff188

2 changed files with 3 additions and 8 deletions

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10

arch/arm64/kernel/setup.c

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1

arch/arm64/kernel/smp.c

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