67ff2186b0
Finish weaning user-only away from PageDesc. Using an interval tree to track page permissions means that we can represent very large regions efficiently. Resolves: https://gitlab.com/qemu-project/qemu/-/issues/290 Resolves: https://gitlab.com/qemu-project/qemu/-/issues/967 Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1214 Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>