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x86/init: Add intr_mode_init to x86_init_ops

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X86 and XEN initialize interrupt delivery mode in different way.

To avoid conditionals, add a new x86_init_ops function which defaults to
the standard function and can be overridden by the early XEN platform code.

[ tglx: Folded the XEN part which was a separate patch to preserve
  	bisectability ]

Signed-off-by: Dou Liyang <douly.fnst@cn.fujitsu.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: yinghai@kernel.org
Cc: bhe@redhat.com
Link: https://lkml.kernel.org/r/1505293975-26005-10-git-send-email-douly.fnst@cn.fujitsu.com
This commit is contained in:
Dou Liyang
2017-09-13 17:12:52 +08:00
committed by Thomas Gleixner
parent ca7c6076ba
commit 34fba3e6b1
5 changed files with 6 additions and 2 deletions
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2
arch/x86/kernel/apic/apic.c
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@@ -2423,7 +2423,7 @@ void __init apic_bsp_setup(bool upmode)
#ifdef CONFIG_UP_LATE_INIT
void __init up_late_init(void)
{
apic_intr_mode_init();
x86_init.irqs.intr_mode_init();
if (apic_intr_mode == APIC_PIC)
return;