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Commit 95663285 authored by David Howells's avatar David Howells Committed by Linus Torvalds
Browse files

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



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

Signed-off-by: default avatarDavid Howells <dhowells@redhat.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 52f5684c

Documentation/DocBook/kernel-hacking.tmpl

+1 −1
Original line number Diff line number Diff line
@@ -671,7 +671,7 @@ printk(KERN_INFO "my ip: %pI4\n", &amp;ipaddress); 


  <sect1 id="routines-local-irqs">

   <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>



   <para>

Documentation/irqflags-tracing.txt

+0 −7
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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

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



and then a couple of functional changes are needed as well to implement

Documentation/scheduler/sched-arch.txt

+1 −1
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@@ -8,7 +8,7 @@ Context switch 
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

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,

you must `#define __ARCH_WANT_UNLOCKED_CTXSW` in a header file