On Mon, Mar 15, 2021 at 02:35:31PM +0000, Quentin Perret wrote: > Since the host stage 2 will be identity mapped, and since it will own > most of memory, it would preferable for performance to try and use large > block mappings whenever that is possible. To ease this, introduce a new > helper in the KVM page-table code which allows to search for large > ranges of available IPA space. This will be used in the host memory > abort path to greedily idmap large portion of the PA space. > > Signed-off-by: Quentin Perret <[email protected]> > --- > arch/arm64/include/asm/kvm_pgtable.h | 29 +++++++++ > arch/arm64/kvm/hyp/pgtable.c | 89 ++++++++++++++++++++++++++-- > 2 files changed, 114 insertions(+), 4 deletions(-)
Acked-by: Will Deacon <[email protected]> Will
