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asm/system.h: clean asm/system.h from docs

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Clean asm/system.h from docs as nothing should refer to that header anymore.

Signed-off-by: David Howells <dhowells@redhat.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
David Howells 2014-04-07 15:39:21 -07:00 committed by Linus Torvalds
parent 52f5684c8e
commit 9566328578
3 changed files with 2 additions and 9 deletions
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2
Documentation/DocBook/kernel-hacking.tmpl
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@ -671,7 +671,7 @@ printk(KERN_INFO "my ip: %pI4\n", &amp;ipaddress);
<sect1 id="routines-local-irqs"> <sect1 id="routines-local-irqs">
<title><function>local_irq_save()</function>/<function>local_irq_restore()</function> <title><function>local_irq_save()</function>/<function>local_irq_restore()</function>
<filename class="headerfile">include/asm/system.h</filename> <filename class="headerfile">include/linux/irqflags.h</filename>
</title> </title>
<para> <para>

7
Documentation/irqflags-tracing.txt
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@ -22,13 +22,6 @@ rather straightforward and risk-free manner.
Architectures that want to support this need to do a couple of Architectures that want to support this need to do a couple of
code-organizational changes first: code-organizational changes first:
- move their irq-flags manipulation code from their asm/system.h header
to asm/irqflags.h
- rename local_irq_disable()/etc to raw_local_irq_disable()/etc. so that
the linux/irqflags.h code can inject callbacks and can construct the
real local_irq_disable()/etc APIs.
- add and enable TRACE_IRQFLAGS_SUPPORT in their arch level Kconfig file - add and enable TRACE_IRQFLAGS_SUPPORT in their arch level Kconfig file
and then a couple of functional changes are needed as well to implement and then a couple of functional changes are needed as well to implement

2
Documentation/scheduler/sched-arch.txt
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@ -8,7 +8,7 @@ Context switch
By default, the switch_to arch function is called with the runqueue By default, the switch_to arch function is called with the runqueue
locked. This is usually not a problem unless switch_to may need to locked. This is usually not a problem unless switch_to may need to
take the runqueue lock. This is usually due to a wake up operation in take the runqueue lock. This is usually due to a wake up operation in
the context switch. See arch/ia64/include/asm/system.h for an example. the context switch. See arch/ia64/include/asm/switch_to.h for an example.
To request the scheduler call switch_to with the runqueue unlocked, To request the scheduler call switch_to with the runqueue unlocked,
you must `#define __ARCH_WANT_UNLOCKED_CTXSW` in a header file you must `#define __ARCH_WANT_UNLOCKED_CTXSW` in a header file