Kernel MMU handling code handles validity of entries via _PMD_PRESENT which
corresponds to V bit in MD_TWC and MI_TWC. When the V bit is not set, MPC8xx
triggers TLBError exception. So we don't have to check that and branch ourself
to TLBError. We can set TLB entries with non present entries, remov
On Tue, 2014-12-16 at 16:03 +0100, Christophe Leroy wrote:
> Kernel MMU handling code handles validity of entries via _PMD_PRESENT which
> corresponds to V bit in MD_TWC and MI_TWC. When the V bit is not set, MPC8xx
> triggers TLBError exception. So we don't have to check that and branch ourself
>
Kernel MMU handling code handles validity of entries via _PMD_PRESENT which
corresponds to V bit in MD_TWC and MI_TWC. When the V bit is not set, MPC8xx
triggers TLBError exception. So we don't have to check that and branch ourself
to TLBError. We can set TLB entries with non present entries, remov
