Hi Lukasz,
On 07/13/2015 09:54 PM, Lukasz Anaczkowski wrote:
This patch is based on work of "Yinghai Lu <[email protected]>"
previously published at https://lkml.org/lkml/2013/1/21/563.
In case when BIOS is populating MADT wiht both x2apic and local apic
entries (as per ACPI spec), kernel builds it's processor table
in the following order: BSP, X2APIC, local APIC, resulting in
processors on the same core are not separated by core count.
I'm confused here, I can't figure out where is the problem, could you
explain it in detail?
For me, logical CPU IDs allocated by OS will have mappings to physical
CPU IDs, what you are saying seems CPU topology problem to me.
This patch fixes this behavior and resulting assignment is
correct.
Signed-off-by: Lukasz Anaczkowski <[email protected]>
---
arch/x86/kernel/acpi/boot.c | 29 +++++++++++++-----
drivers/acpi/numa.c | 28 ++++++++++++-----
drivers/acpi/tables.c | 75 ++++++++++++++++++++++++++++-----------------
drivers/irqchip/irq-gic.c | 15 ++++++---
Anyway, You also miss the SMP boot for ARM64 in ACPI way, which will
cause compile error on ARM64.
Thanks
Hanjun
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