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xen/i386: follow-up to "replace order-based range checking of M2P table by linear...
authorJan Beulich <JBeulich@suse.com>
Thu, 15 Sep 2011 07:52:40 +0000 (08:52 +0100)
committerKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Thu, 15 Sep 2011 08:39:46 +0000 (04:39 -0400)
commit61cca2fab7ecba18f9b9680cd736ef5fa82ad3b1
tree9a7fe7390778f20bfadcd5ecb9679785b5380cf7tree | snapshot
parent773659483685d652970583384a0294948e57f8b3commit | diff
xen/i386: follow-up to "replace order-based range checking of M2P table by linear one"

The numbers obtained from the hypervisor really can't ever lead to an
overflow here, only the original calculation going through the order
of the range could have. This avoids the (as Jeremy points outs)
somewhat ugly NULL-based calculation here.

Signed-off-by: Jan Beulich <jbeulich@novell.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
arch/x86/xen/mmu.c diff | blob | history
Domain: System / Kernel;