Hi, On Tue, May 27, 2014 at 12:16:30PM +0800, Li Zefan wrote: > On 2014/5/21 13:36, Yong Zhang wrote: > > asid_cache must be unsigned long otherwise on 64bit system > > it will become 0 if the value in get_new_mmu_context() > > reaches 0xffffffff and in the end the assumption of > > ASID_FIRST_VERSION is not true anymore thus leads to > > more dangerous things. > > We should describe what problem this bug can lead to, which > will help people who encounter the same problem and google it. Please describe it, then. Even if the patch is already committed, googling would probably still find this e-mail thread. Thanks, A.
