mirror of https://gitee.com/openkylin/linux.git
dfeec843fb
It's quite common (in the s390 guest access code) to test if a guest physical address points to a valid guest memory area or not. So add a simple helper function in common code, since this might be of interest for other architectures as well. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Reviewed-by: Thomas Huth <thuth@linux.vnet.ibm.com> Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com> |
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