On Tue, Sep 20, 2016 at 09:47:25AM +0100, Matt Redfearn wrote: > When adding a wired entry to the TLB via add_wired_entry, the tlb is > flushed with local_flush_tlb_all, which on CPUs with TLBINV results in > the new wired entry being flushed again. > > Behavior of the TLBINV instruction applies to all applicable TLB entries > and is unaffected by the setting of the Wired register. Therefore if > the TLB has any wired entries, fall back to iterating over the entries > rather than blasting them all using TLBINVF. > > Signed-off-by: Matt Redfearn <matt.redfearn@xxxxxxxxxx> Queued for 4.9.. Ralf
