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| author | Thomas Gleixner <tglx@linutronix.de> | 2010-10-19 10:46:28 -0700 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2010-10-23 17:27:43 +0200 |
| commit | 5a7ae78fd478624df3059cb6f55056b85d074acc (patch) | |
| tree | bd5adc0bde70bc8e93e9ef1d1f124ecdff4538be /arch/x86/include/asm/apic.h | |
| parent | d4429f608abde89e8bc1e24b43cd503feb95c496 (diff) | |
| download | lwn-5a7ae78fd478624df3059cb6f55056b85d074acc.tar.gz lwn-5a7ae78fd478624df3059cb6f55056b85d074acc.zip | |
x86: Allow platforms to force enable apic
Some embedded x86 platforms don't setup the APIC in the
BIOS/bootloader and would be forced to add "lapic" on the kernel
command line. That's a bit akward.
Split out the force enable code from detect_init_APIC() and allow
platform code to call it from the platform setup. That avoids the
command line parameter and possible replication of the MSR dance in
the force enable code.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
LKML-Reference: <1287510389-8388-1-git-send-email-dirk.brandewie@gmail.com>
Signed-off-by: Dirk Brandewie <dirk.j.brandewie@intel.com>
Diffstat (limited to 'arch/x86/include/asm/apic.h')
| -rw-r--r-- | arch/x86/include/asm/apic.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/include/asm/apic.h b/arch/x86/include/asm/apic.h index 286de34b0ed6..ad50aaae396f 100644 --- a/arch/x86/include/asm/apic.h +++ b/arch/x86/include/asm/apic.h @@ -238,6 +238,7 @@ extern void setup_boot_APIC_clock(void); extern void setup_secondary_APIC_clock(void); extern int APIC_init_uniprocessor(void); extern void enable_NMI_through_LVT0(void); +extern int apic_force_enable(void); /* * On 32bit this is mach-xxx local |