On 04/10/2018 04:04, Wei Yang wrote: > rmap_remove() would remove the sptep after locating the correct rmap_head. > While in several cases, the caller has already known the correct rmap_head. > > This patch set tries to remove a spte from rmap_head directly. > > The original discussion is posted at: > > https://patchwork.kernel.org/patch/10615385/ > > This version dose some change based on Paolo's comments: > > * rename the original pte_list_remove to __pte_list_remove > * remove the *if* check on mmu_spte_clear_track_bits in new pte_list_remove > * move mmu_spte_clear_track_bits before *if* branch in kvm_set_pte_rmapp > > v3: > * fix warning from checkpatch.pl in __pte_list_remove > > Wei Yang (3): > KVM: x86: rename pte_list_remove to __pte_list_remove > KVM: x86: a new pte_list_remove including mmu_spte_clear_track_bits > KVM: x86: extract mmu_spte_clear_track_bits in the loop of > kvm_set_pte_rmapp > > arch/x86/kvm/mmu.c | 30 ++++++++++++++++++------------ > 1 file changed, 18 insertions(+), 12 deletions(-) > Thanks. I'm not sure that patch 3 improves the readability of the code, so I'm only applying 1 and 2 for now. Paolo