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    Subjectfix aperture vs. suspend problem

    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 suspend.

    Signed-off-by: Pavel Machek <pavel@suse.cz>

    diff --git a/arch/x86/kernel/aperture_64.c b/arch/x86/kernel/aperture_64.c
    index 608152a..88747f3 100644
    --- a/arch/x86/kernel/aperture_64.c
    +++ b/arch/x86/kernel/aperture_64.c
    @@ -18,6 +18,7 @@ #include <linux/pci_ids.h>
    #include <linux/pci.h>
    #include <linux/bitops.h>
    #include <linux/ioport.h>
    +#include <linux/suspend.h>
    #include <asm/e820.h>
    #include <asm/io.h>
    #include <asm/gart.h>
    @@ -76,6 +77,7 @@ static u32 __init allocate_aperture(void
    printk(KERN_INFO "Mapping aperture over %d KB of RAM @ %lx\n",
    aper_size >> 10, __pa(p));
    insert_aperture_resource((u32)__pa(p), aper_size);
    + register_nosave_region((u32)__pa(p) >> PAGE_SHIFT, (u32)__pa(p+aper_size) >> PAGE_SHIFT);

    return (u32)__pa(p);
    }
    --
    (english) http://www.livejournal.com/~pavelmachek
    (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html


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