diff options
Diffstat (limited to 'arch/x86/kernel/genapic_flat_64.c')
-rw-r--r-- | arch/x86/kernel/genapic_flat_64.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/arch/x86/kernel/genapic_flat_64.c b/arch/x86/kernel/genapic_flat_64.c index 1a9c68845ee8..400ed8df8b4e 100644 --- a/arch/x86/kernel/genapic_flat_64.c +++ b/arch/x86/kernel/genapic_flat_64.c @@ -15,9 +15,11 @@ #include <linux/kernel.h> #include <linux/ctype.h> #include <linux/init.h> +#include <linux/hardirq.h> #include <asm/smp.h> #include <asm/ipi.h> #include <asm/genapic.h> +#include <mach_apicdef.h> static cpumask_t flat_target_cpus(void) { @@ -95,9 +97,17 @@ static void flat_send_IPI_all(int vector) __send_IPI_shortcut(APIC_DEST_ALLINC, vector, APIC_DEST_LOGICAL); } +static unsigned int read_xapic_id(void) +{ + unsigned int id; + + id = GET_XAPIC_ID(apic_read(APIC_ID)); + return id; +} + static int flat_apic_id_registered(void) { - return physid_isset(GET_APIC_ID(read_apic_id()), phys_cpu_present_map); + return physid_isset(read_xapic_id(), phys_cpu_present_map); } static unsigned int flat_cpu_mask_to_apicid(cpumask_t cpumask) @@ -123,6 +133,7 @@ struct genapic apic_flat = { .send_IPI_mask = flat_send_IPI_mask, .cpu_mask_to_apicid = flat_cpu_mask_to_apicid, .phys_pkg_id = phys_pkg_id, + .read_apic_id = read_xapic_id, }; /* @@ -187,4 +198,5 @@ struct genapic apic_physflat = { .send_IPI_mask = physflat_send_IPI_mask, .cpu_mask_to_apicid = physflat_cpu_mask_to_apicid, .phys_pkg_id = phys_pkg_id, + .read_apic_id = read_xapic_id, }; |