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authorThomas Gleixner <tglx@linutronix.de>2015-01-15 21:22:39 +0000
committerThomas Gleixner <tglx@linutronix.de>2015-01-22 15:10:56 +0100
commit30b8b0066cafef274fc92462578ee346211ce7cb (patch)
tree62d479f3d0c710ba2500522b86a295f579d86a55 /arch
parente714a91f92ca59f7e71e7332b8ec2aa2944f629e (diff)
downloadop-kernel-dev-30b8b0066cafef274fc92462578ee346211ce7cb.zip
op-kernel-dev-30b8b0066cafef274fc92462578ee346211ce7cb.tar.gz
init: Get rid of x86isms
The UP local API support can be set up from an early initcall. No need for horrible hackery in the init code. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Jiang Liu <jiang.liu@linux.intel.com> Cc: Joerg Roedel <joro@8bytes.org> Cc: Tony Luck <tony.luck@intel.com> Cc: Borislav Petkov <bp@alien8.de> Link: http://lkml.kernel.org/r/20150115211703.827943883@linutronix.de Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch')
-rw-r--r--arch/x86/Kconfig4
-rw-r--r--arch/x86/kernel/apic/apic.c7
2 files changed, 11 insertions, 0 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index ba397bd..ffcc3ca 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -855,6 +855,10 @@ config SCHED_MC
source "kernel/Kconfig.preempt"
+config UP_LATE_INIT
+ def_bool y
+ depends on X86_UP_APIC
+
config X86_UP_APIC
bool "Local APIC support on uniprocessors"
depends on X86_32 && !SMP && !X86_32_NON_STANDARD && !PCI_MSI
diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c
index c681e9b..19f1bc7 100644
--- a/arch/x86/kernel/apic/apic.c
+++ b/arch/x86/kernel/apic/apic.c
@@ -2267,6 +2267,13 @@ int __init APIC_init_uniprocessor(void)
return 0;
}
+#ifdef CONFIG_UP_LATE_INIT
+void __init up_late_init(void)
+{
+ APIC_init_uniprocessor();
+}
+#endif
+
/*
* Power management
*/
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