Merge commit 'v2.6.37-rc7' into perf/core

[firefly-linux-kernel-4.4.55.git] / arch / x86 / kernel / apic / apic.c

diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c
index 850657d1b0ed573e23552913d7aae230df30fe9a..fb7657822aadd7cb0954f6483490b5e9a0279f60 100644 (file)
--- a/arch/x86/kernel/apic/apic.c
+++ b/arch/x86/kernel/apic/apic.c
@@ -31,7 +31,6 @@
 #include <linux/init.h>
 #include <linux/cpu.h>
 #include <linux/dmi.h>
-#include <linux/nmi.h>
 #include <linux/smp.h>
 #include <linux/mm.h>
 
@@ -52,7 +51,6 @@
 #include <asm/mce.h>
 #include <asm/kvm_para.h>
 #include <asm/tsc.h>
-#include <asm/atomic.h>
 
 unsigned int num_processors;
 
@@ -800,11 +798,7 @@ void __init setup_boot_APIC_clock(void)
         * PIT/HPET going.  Otherwise register lapic as a dummy
         * device.
         */
-       if (nmi_watchdog != NMI_IO_APIC)
-               lapic_clockevent.features &= ~CLOCK_EVT_FEAT_DUMMY;
-       else
-               pr_warning("APIC timer registered as dummy,"
-                       " due to nmi_watchdog=%d!\n", nmi_watchdog);
+       lapic_clockevent.features &= ~CLOCK_EVT_FEAT_DUMMY;
 
        /* Setup the lapic or request the broadcast */
        setup_APIC_timer();
@@ -1388,8 +1382,15 @@ void __cpuinit end_local_APIC_setup(void)
        }
 #endif
 
-       setup_apic_nmi_watchdog(NULL);
        apic_pm_activate();
+
+       /*
+        * Now that local APIC setup is completed for BP, configure the fault
+        * handling for interrupt remapping.
+        */
+       if (!smp_processor_id() && intr_remapping_enabled)
+               enable_drhd_fault_handling();
+
 }
 
 #ifdef CONFIG_X86_X2APIC
@@ -1751,17 +1752,10 @@ int __init APIC_init_uniprocessor(void)
                setup_IO_APIC();
        else {
                nr_ioapics = 0;
-               localise_nmi_watchdog();
        }
-#else
-       localise_nmi_watchdog();
 #endif
 
        x86_init.timers.setup_percpu_clockev();
-#ifdef CONFIG_X86_64
-       check_nmi_watchdog();
-#endif
-
        return 0;
 }