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Commit 3b70b2e5 authored Apr 01, 2011 by Len Brown

x86 idle floppy: deprecate disable_hlt()



Plan to remove floppy_disable_hlt in 2012, an ancient
workaround with comments that it should be removed.

This allows us to remove clutter and a run-time branch
from the idle code.

WARN_ONCE() on invocation until it is removed.

cc: x86@kernel.org
cc: stable@kernel.org # .39.x
Signed-off-by: Len Brown <len.brown@intel.com>

parent 06ae40ce

Documentation/feature-removal-schedule.txt

+8 −0

Original line number	Diff line number	Diff line
		@@ -6,6 +6,14 @@ be removed from this file.

		---------------------------

		What: x86 floppy disable_hlt
		When: 2012
		Why: ancient workaround of dubious utility clutters the
		code used by everybody else.
		Who: Len Brown <len.brown@intel.com>

		---------------------------

		What: PRISM54
		When: 2.6.34

drivers/block/floppy.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -1038,6 +1038,7 @@ static void floppy_disable_hlt(void)
		{
		unsigned long flags;

		WARN_ONCE(1, "floppy_disable_hlt() scheduled for removal in 2012");
		spin_lock_irqsave(&floppy_hlt_lock, flags);
		if (!hlt_disabled) {
		hlt_disabled = 1;