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Diffstat (limited to 'arch/x86/kernel/apic/x2apic_phys.c')
-rw-r--r--arch/x86/kernel/apic/x2apic_phys.c17
1 files changed, 12 insertions, 5 deletions
diff --git a/arch/x86/kernel/apic/x2apic_phys.c b/arch/x86/kernel/apic/x2apic_phys.c
index bc9693841353..0e4e81971567 100644
--- a/arch/x86/kernel/apic/x2apic_phys.c
+++ b/arch/x86/kernel/apic/x2apic_phys.c
@@ -8,6 +8,12 @@
int x2apic_phys;
static struct apic apic_x2apic_phys;
+static u32 x2apic_max_apicid __ro_after_init;
+
+void __init x2apic_set_max_apicid(u32 apicid)
+{
+ x2apic_max_apicid = apicid;
+}
static int __init set_x2apic_phys_mode(char *arg)
{
@@ -98,6 +104,9 @@ static int x2apic_phys_probe(void)
/* Common x2apic functions, also used by x2apic_cluster */
int x2apic_apic_id_valid(u32 apicid)
{
+ if (x2apic_max_apicid && apicid > x2apic_max_apicid)
+ return 0;
+
return 1;
}
@@ -148,15 +157,13 @@ static struct apic apic_x2apic_phys __ro_after_init = {
.apic_id_valid = x2apic_apic_id_valid,
.apic_id_registered = x2apic_apic_id_registered,
- .irq_delivery_mode = dest_Fixed,
- .irq_dest_mode = 0, /* physical */
+ .delivery_mode = APIC_DELIVERY_MODE_FIXED,
+ .dest_mode_logical = false,
.disable_esr = 0,
- .dest_logical = 0,
- .check_apicid_used = NULL,
+ .check_apicid_used = NULL,
.init_apic_ldr = init_x2apic_ldr,
-
.ioapic_phys_id_map = NULL,
.setup_apic_routing = NULL,
.cpu_present_to_apicid = default_cpu_present_to_apicid,