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2fcb3a5940
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. Acked-by: Will Deacon <will@kernel.org> Signed-off-by: Quentin Perret <qperret@google.com> Signed-off-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20210319100146.1149909-32-qperret@google.com |
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uapi/asm |