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| author |   Tony Lindgren <tony@atomide.com> | 2018-08-28 09:58:03 -0700 |
|---|---|---|
| committer | Tony Lindgren <tony@atomide.com> | 2018-08-28 09:58:03 -0700 |
| commit | ea4d65f14f6aaa53e379b93c5544245ef081b3e7 (patch) | |
| tree | a15485f4f1cf547a52b31fa8e16e14b9579b7200 /Documentation/kernel-hacking | |
| parent | arm: dts: am4372: setup rtc as system-power-controller (diff) | |
| parent | ARM: dts: Fix file permission for am335x-osd3358-sm-red.dts (diff) | |
| download | wireguard-linux-ea4d65f14f6aaa53e379b93c5544245ef081b3e7.tar.xz wireguard-linux-ea4d65f14f6aaa53e379b93c5544245ef081b3e7.zip | |
Merge branch 'perm-fix' into omap-for-v4.19/fixes-v2
Diffstat (limited to 'Documentation/kernel-hacking')
| -rw-r--r-- | Documentation/kernel-hacking/hacking.rst | 2 | ||||
| -rw-r--r-- | Documentation/kernel-hacking/index.rst | 2 | ||||
| -rw-r--r-- | Documentation/kernel-hacking/locking.rst | 6 |
3 files changed, 8 insertions, 2 deletions
diff --git a/Documentation/kernel-hacking/hacking.rst b/Documentation/kernel-hacking/hacking.rst index 9999c8468293..d824e4feaff3 100644 --- a/Documentation/kernel-hacking/hacking.rst +++ b/Documentation/kernel-hacking/hacking.rst @@ -1,3 +1,5 @@ +.. _kernel_hacking_hack: + ============================================ Unreliable Guide To Hacking The Linux Kernel ============================================ diff --git a/Documentation/kernel-hacking/index.rst b/Documentation/kernel-hacking/index.rst index fcb0eda3cca3..f53027652290 100644 --- a/Documentation/kernel-hacking/index.rst +++ b/Documentation/kernel-hacking/index.rst @@ -1,3 +1,5 @@ +.. _kernel_hacking: + ===================== Kernel Hacking Guides ===================== 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. |