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Diffstat (limited to 'Documentation/kernel-hacking/locking.rst')
| -rw-r--r-- | Documentation/kernel-hacking/locking.rst | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/Documentation/kernel-hacking/locking.rst b/Documentation/kernel-hacking/locking.rst index f937c0fd11aa..519673df0e82 100644 --- a/Documentation/kernel-hacking/locking.rst +++ b/Documentation/kernel-hacking/locking.rst @@ -1,3 +1,5 @@ +.. _kernel_hacking_lock: + =========================== Unreliable Guide To Locking =========================== @@ -177,7 +179,7 @@ perfect world). Note that you can also use :c:func:`spin_lock_irq()` or :c:func:`spin_lock_irqsave()` here, which stop hardware interrupts -as well: see `Hard IRQ Context <#hardirq-context>`__. +as well: see `Hard IRQ Context <#hard-irq-context>`__. This works perfectly for UP as well: the spin lock vanishes, and this macro simply becomes :c:func:`local_bh_disable()` @@ -228,7 +230,7 @@ The Same Softirq ~~~~~~~~~~~~~~~~ The same softirq can run on the other CPUs: you can use a per-CPU array -(see `Per-CPU Data <#per-cpu>`__) for better performance. If you're +(see `Per-CPU Data <#per-cpu-data>`__) for better performance. If you're going so far as to use a softirq, you probably care about scalable performance enough to justify the extra complexity. |