On Sat, Nov 16, 2013 at 10:01:01AM +0000, Marc Zyngier wrote: > On 2013-11-15 23:24, Christoffer Dall wrote: > >Using virt_to_phys on percpu mappings is horribly wrong as it may be > >backed by vmalloc. Introduce kvm_kaddr_to_phys which translates both > >types of valid kernel addresses to the corresponding physical > >address. > > > >At the same time resolves a typing issue where we were storing the > >physical address as a 32 bit unsigned long (on arm), truncating the > >physical address for addresses above the 4GB limit. This caused > >breakage on Keystone. > > > >Reported-by: Santosh Shilimkar <[email protected]> > >Signed-off-by: Marc Zyngier <[email protected]> > >Signed-off-by: Christoffer Dall <[email protected]> > >--- > > > >This patch is loosely based on Marc's previous patch from today but > >instead of introducing another Hyp mapping function, it fixes the > >existing one to deal with both kinds of kernel addresses. > > Looks good to me! This should probably be merged quickly (after > testing by Santosh), and possibly Cc-ed to stable. > Agreed, Santhos, can you give this a quick spin?
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