On 02.05.2018 14:34, Christian Borntraeger wrote: > > > On 05/02/2018 01:08 PM, David Hildenbrand wrote: >> By missing an "L", we might detect some addresses to be <8k, >> although they are not. >> >> e.g. for itdba = 100001fff >> !(gpa & ~0x1fffU) -> 1 >> !(gpa & ~0x1fffUL) -> 0 >> >> So we would report a SIE validity intercept although everything is fine. >> >> Reported-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx> >> Signed-off-by: David Hildenbrand <david@xxxxxxxxxx> > > Should be cc stable as is might break vsie if for some reason the block is > aligned by 4G. The only known user is KVM itself. As it has an offset in the sie_page, this scenario can at least never happen with KVMs we know. So I'll leave this decision to you. Thanks! > > Reviewed-by: Christian Borntraeger <borntraeger@xxxxxxxxxx> -- Thanks, David / dhildenb -- To unsubscribe from this list: send the line "unsubscribe linux-s390" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
