diff options
| -rw-r--r-- | include/asm-i386/mach-summit/mach_apic.h | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/include/asm-i386/mach-summit/mach_apic.h b/include/asm-i386/mach-summit/mach_apic.h index 214263a48f71..74e9cbc8c01b 100644 --- a/include/asm-i386/mach-summit/mach_apic.h +++ b/include/asm-i386/mach-summit/mach_apic.h @@ -19,11 +19,15 @@ static inline cpumask_t target_cpus(void) { - return CPU_MASK_ALL; + /* CPU_MASK_ALL (0xff) has undefined behaviour with + * dest_LowestPrio mode logical clustered apic interrupt routing + * Just start on cpu 0. IRQ balancing will spread load + */ + return cpumask_of_cpu(0); } #define TARGET_CPUS (target_cpus()) -#define INT_DELIVERY_MODE (dest_Fixed) +#define INT_DELIVERY_MODE (dest_LowestPrio) #define INT_DEST_MODE 1 /* logical delivery broadcast to all procs */ static inline unsigned long check_apicid_used(physid_mask_t bitmap, int apicid) |