Re: [PATCH 07/24] accel/tcg: Introduce page_check_range_empty

[Alex Bennée]

Richard Henderson <richard.henderson@linaro.org> writes:

> Examine the interval tree to validate that a region
> has no existing mappings.
>
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
> ---
>  include/exec/cpu-all.h | 11 +++++++++++
>  accel/tcg/user-exec.c  |  7 +++++++
>  2 files changed, 18 insertions(+)
>
> diff --git a/include/exec/cpu-all.h b/include/exec/cpu-all.h
> index 8018ce783e..5b2c230d52 100644
> --- a/include/exec/cpu-all.h
> +++ b/include/exec/cpu-all.h
> @@ -224,6 +224,17 @@ void page_set_flags(target_ulong start, target_ulong 
> last, int flags);
>  void page_reset_target_data(target_ulong start, target_ulong last);
>  int page_check_range(target_ulong start, target_ulong len, int flags);
>  
> +/**
> + * page_check_range_empty:
> + * @start: first byte of range
> + * @last: last byte of range

* Context: holding mmap lock

Otherwise:

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>


-- 
Alex Bennée
Virtualisation Tech Lead @ Linaro