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Commit 9899f826 authored by Siddha, Suresh B's avatar Siddha, Suresh B Committed by Andi Kleen
Browse files

[PATCH] x86-64: add genapic_force 



Add genapic_force. Used by the next Intel quirks patch.

Signed-off-by: default avatarSuresh Siddha <suresh.b.siddha@intel.com>
Signed-off-by: default avatarAndi Kleen <ak@suse.de>
Cc: Andi Kleen <ak@suse.de>
Cc: "Li, Shaohua" <shaohua.li@intel.com>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
parent 72486f1f

arch/x86_64/kernel/genapic.c

+8 −1
Original line number Diff line number Diff line
@@ -33,7 +33,7 @@ extern struct genapic apic_flat; 
extern struct genapic apic_physflat;



struct genapic *genapic = &apic_flat;



struct genapic *genapic_force;



/*

 * Check the APIC IDs in bios_cpu_apicid and choose the APIC mode.
@@ -46,6 +46,13 @@ void __init clustered_apic_check(void) 
	u8 cluster_cnt[NUM_APIC_CLUSTERS];

	int max_apic = 0;



	/* genapic selection can be forced because of certain quirks.

	 */

	if (genapic_force) {

		genapic = genapic_force;

		goto print;

	}



#if defined(CONFIG_ACPI)

	/*

	 * Some x86_64 machines use physical APIC mode regardless of how many

include/asm-x86_64/genapic.h

+1 −1
Original line number Diff line number Diff line
@@ -30,6 +30,6 @@ struct genapic { 
};





extern struct genapic *genapic;

extern struct genapic *genapic, *genapic_force, apic_flat;



#endif