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Kirill Smelkov
linux
Commits
ad625ee4
Commit
ad625ee4
authored
Jul 24, 2002
by
Thunder From The Hill
Committed by
Linus Torvalds
Jul 24, 2002
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[PATCH] cli-sti-removal.txt fixup
Things look rather like this..
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c482e28f
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Documentation/cli-sti-removal.txt
View file @
ad625ee4
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@@ -96,8 +96,8 @@ released.
drivers that want to disable local interrupts (interrupts on the
current CPU), can use the following five macros:
local_irq_disable(), local_irq_enable(), local_
irq_save
(flags),
local_irq_save
_off
(flags), local_irq_restore(flags)
local_irq_disable(), local_irq_enable(), local_
save_flags
(flags),
local_irq_save(flags), local_irq_restore(flags)
but beware, their meaning and semantics are much simpler, far from
that of the old cli(), sti(), save_flags(flags) and restore_flags(flags)
...
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@@ -107,11 +107,11 @@ SMP meaning:
local_irq_enable() => turn local IRQs on
local_
irq_save(flags)
=> save the current IRQ state into flags. The
local_
save_flags(flags)
=> save the current IRQ state into flags. The
state can be on or off. (on some
architectures there's even more bits in it.)
local_irq_save
_off(flags)
=> save the current IRQ state into flags and
local_irq_save
(flags)
=> save the current IRQ state into flags and
disable interrupts.
local_irq_restore(flags) => restore the IRQ state from flags.
...
...
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