Messages in this thread | | | Date | Sun, 18 Feb 2007 16:33:20 -0500 | From | Chuck Ebbert <> | Subject | Re: [PATCH] x86: mtrr range check correction |
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Jan Beulich wrote: > Whether a region is below 1Mb is determined by its start rather than > its end. > > This hunk got erroneously dropped from a previous patch. > > Signed-off-by: Jan Beulich <jbeulich@novell.com> > > --- linux-2.6.20/arch/i386/kernel/cpu/mtrr/generic.c 2007-02-04 19:44:54.000000000 +0100 > +++ 2.6.20-x86-mtrr-range-check/arch/i386/kernel/cpu/mtrr/generic.c 2007-02-09 10:17:26.000000000 +0100 > @@ -428,7 +428,7 @@ int generic_validate_add_page(unsigned l > } > } > > - if (base + size < 0x100) { > + if (base < 0x100) { > printk(KERN_WARNING "mtrr: cannot set region below 1 MiB (0x%lx000,0x%lx000)\n", > base, size); > return -EINVAL; >
What about wraparound?
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