Re: [PATCH v5 31/36] KVM: arm64: Add kvm_pgtable_stage2_find_range()
flat view
From: Will Deacon <will@kernel.org>
Date: 2021-03-15 16:32:07
Also in:
kvmarm, lkml
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 <redacted> --- 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 <will@kernel.org> Will _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel