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(parent: fe7b081) | patch
x86/cpu/topology: Provide detect_extended_topology_early()
authorThomas Gleixner <tglx@linutronix.de>
Tue, 5 Jun 2018 22:55:39 +0000 (00:55 +0200)
committerThomas Gleixner <tglx@linutronix.de>
Thu, 21 Jun 2018 12:20:59 +0000 (14:20 +0200)
commit7ab0c5e7e646c6dff8cc2ba7cad1b3b980aad445
tree08b45e1ee3bfa2a8be91b6c0aa55521bbeaddb35tree | snapshot
parentfe7b081cdcda5d1ca5ee1ca24c534c453a75b490commit | diff
x86/cpu/topology: Provide detect_extended_topology_early()

To support force disabling of SMT it's required to know the number of
thread siblings early. detect_extended_topology() cannot be called before
the APIC driver is selected, so split out the part which initializes
smp_num_siblings.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Acked-by: Ingo Molnar <mingo@kernel.org>
arch/x86/kernel/cpu/cpu.h diff | blob | history
arch/x86/kernel/cpu/topology.c diff | blob | history
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