Hi,
On Wed, 24 Jul 2002, Greg KH wrote:
> > Ah, sorry, I didn't get that from cli-sti-removal.txt. Actually it
> > looks like cli-sti-removal.txt is a bit wrong, as there is no
> > local_irq_save_off() function. I'll send a patch for that next.
In my understanding things look rather like this:
--- linus-2.5/Documentation/cli-sti-removal.txt 2002-07-24 23:10:23.000000000 -0600
+++ thunder-2.5/Documentation/cli-sti-removal.txt 2002-07-25 01:12:45.000000000 -0600
@@ -96,8 +96,8 @@
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)
@@ -107,11 +107,11 @@
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.
Regards,
Thunder
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