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xen-devel
RE: [Xen-devel] [PATCH]x86:x2apic: Disable x2apic on x86-32 permanently
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To: |
Jan Beulich <JBeulich@xxxxxxxxxx>, "Zhang, Fengzhe" <fengzhe.zhang@xxxxxxxxx> |
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Subject: |
RE: [Xen-devel] [PATCH]x86:x2apic: Disable x2apic on x86-32 permanently |
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From: |
"Wei, Gang" <gang.wei@xxxxxxxxx> |
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Date: |
Wed, 9 Feb 2011 14:57:06 +0800 |
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Keir, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>, Fraser <keir@xxxxxxx>, "Wei, Gang" <gang.wei@xxxxxxxxx> |
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[Xen-devel] [PATCH]x86:x2apic: Disable x2apic on x86-32 permanently |
Jan Beulich wrote on 2011-01-31:
> How does this (namely the x2apic_enabled part) play together with the
> selection of the APIC driver, which in this case would have happened
> quite a bit earlier (from generic_apic_probe())?
>
> I would therefore think that this change really belongs into
> check_x2apic_preenabled().
It is really a problem. But I do think we shall simply remove below line from
check_x2apic_preenabled() fn:
genapic = apic_x2apic_probe();
The same line exists in x2apic_bsp_setup() fn.
Jimmy
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