diff options
Diffstat (limited to 'arch/x86/kernel/smp_32.c')
| -rw-r--r-- | arch/x86/kernel/smp_32.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/x86/kernel/smp_32.c b/arch/x86/kernel/smp_32.c index 791d9f8036ae..9ced828d5556 100644 --- a/arch/x86/kernel/smp_32.c +++ b/arch/x86/kernel/smp_32.c | |||
| @@ -69,7 +69,7 @@ | |||
| 69 | * | 69 | * |
| 70 | * B stepping CPUs may hang. There are hardware work arounds | 70 | * B stepping CPUs may hang. There are hardware work arounds |
| 71 | * for this. We warn about it in case your board doesn't have the work | 71 | * for this. We warn about it in case your board doesn't have the work |
| 72 | * arounds. Basically thats so I can tell anyone with a B stepping | 72 | * arounds. Basically that's so I can tell anyone with a B stepping |
| 73 | * CPU and SMP problems "tough". | 73 | * CPU and SMP problems "tough". |
| 74 | * | 74 | * |
| 75 | * Specific items [From Pentium Processor Specification Update] | 75 | * Specific items [From Pentium Processor Specification Update] |
| @@ -273,7 +273,7 @@ void leave_mm(unsigned long cpu) | |||
| 273 | * 1a1) cpu_clear(cpu, old_mm->cpu_vm_mask); | 273 | * 1a1) cpu_clear(cpu, old_mm->cpu_vm_mask); |
| 274 | * Stop ipi delivery for the old mm. This is not synchronized with | 274 | * Stop ipi delivery for the old mm. This is not synchronized with |
| 275 | * the other cpus, but smp_invalidate_interrupt ignore flush ipis | 275 | * the other cpus, but smp_invalidate_interrupt ignore flush ipis |
| 276 | * for the wrong mm, and in the worst case we perform a superflous | 276 | * for the wrong mm, and in the worst case we perform a superfluous |
| 277 | * tlb flush. | 277 | * tlb flush. |
| 278 | * 1a2) set cpu_tlbstate to TLBSTATE_OK | 278 | * 1a2) set cpu_tlbstate to TLBSTATE_OK |
| 279 | * Now the smp_invalidate_interrupt won't call leave_mm if cpu0 | 279 | * Now the smp_invalidate_interrupt won't call leave_mm if cpu0 |