x86: fix long standing bug with usb after hibernation with 4GB ram

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aperture_64.c takes a piece of memory and makes it into iommu
window... but such window may not be saved by swsusp -- that leads to
oops during hibernation.

Signed-off-by: Pavel Machek <pavel@suse.cz>
Acked-by: "Rafael J. Wysocki" <rjw@sisk.pl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

...

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Pavel Machek 2008-03-13 23:05:41 +01:00 • committed by Ingo Molnar

parent 96bcf458cb

commit 2050d45d7c

1 changed files with 3 additions and 0 deletions

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arch/x86/kernel/aperture_64.c

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