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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-01-02 11:44:09 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-01-02 11:44:09 -0800 |
| commit | b840d79631c882786925303c2b0f4fefc31845ed (patch) | |
| tree | cda60a95d4507fe1321fc285af38982d7eb9693b /arch/x86/include/asm/desc.h | |
| parent | 597b0d21626da4e6f09f132442caf0cc2b0eb47c (diff) | |
| parent | c3d80000e3a812fe5a200d6bde755fbd7fa65481 (diff) | |
Merge branch 'cpus4096-for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'cpus4096-for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (66 commits)
x86: export vector_used_by_percpu_irq
x86: use logical apicid in x2apic_cluster's x2apic_cpu_mask_to_apicid_and()
sched: nominate preferred wakeup cpu, fix
x86: fix lguest used_vectors breakage, -v2
x86: fix warning in arch/x86/kernel/io_apic.c
sched: fix warning in kernel/sched.c
sched: move test_sd_parent() to an SMP section of sched.h
sched: add SD_BALANCE_NEWIDLE at MC and CPU level for sched_mc>0
sched: activate active load balancing in new idle cpus
sched: bias task wakeups to preferred semi-idle packages
sched: nominate preferred wakeup cpu
sched: favour lower logical cpu number for sched_mc balance
sched: framework for sched_mc/smt_power_savings=N
sched: convert BALANCE_FOR_xx_POWER to inline functions
x86: use possible_cpus=NUM to extend the possible cpus allowed
x86: fix cpu_mask_to_apicid_and to include cpu_online_mask
x86: update io_apic.c to the new cpumask code
x86: Introduce topology_core_cpumask()/topology_thread_cpumask()
x86: xen: use smp_call_function_many()
x86: use work_on_cpu in x86/kernel/cpu/mcheck/mce_amd_64.c
...
Fixed up trivial conflict in kernel/time/tick-sched.c manually
Diffstat (limited to 'arch/x86/include/asm/desc.h')
| -rw-r--r-- | arch/x86/include/asm/desc.h | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/arch/x86/include/asm/desc.h b/arch/x86/include/asm/desc.h index e6b82b17b07..dc27705f544 100644 --- a/arch/x86/include/asm/desc.h +++ b/arch/x86/include/asm/desc.h @@ -320,16 +320,14 @@ static inline void set_intr_gate(unsigned int n, void *addr) _set_gate(n, GATE_INTERRUPT, addr, 0, 0, __KERNEL_CS); } -#define SYS_VECTOR_FREE 0 -#define SYS_VECTOR_ALLOCED 1 - extern int first_system_vector; -extern char system_vectors[]; +/* used_vectors is BITMAP for irq is not managed by percpu vector_irq */ +extern unsigned long used_vectors[]; static inline void alloc_system_vector(int vector) { - if (system_vectors[vector] == SYS_VECTOR_FREE) { - system_vectors[vector] = SYS_VECTOR_ALLOCED; + if (!test_bit(vector, used_vectors)) { + set_bit(vector, used_vectors); if (first_system_vector > vector) first_system_vector = vector; } else |