Re: [Qemu-arm] [PATCH 4/6] accel/tcg: tb_gen_code(): Create single-insn TB for execution from non-RAM

[Richard Henderson]

On 07/10/2018 09:00 AM, Peter Maydell wrote:
> If get_page_addr_code() returns -1, this indicates that there is no RAM
> page we can read a full TB from. Instead we must create a TB which
> contains a single instruction and which we do not cache, so it is
> executed only once.
> 
> Since this means we can now have TBs which are not in any page list,
> we also need to make tb_phys_invalidate() handle them (by not trying
> to remove them from a nonexistent page list).
> 
> Signed-off-by: Peter Maydell <address@hidden>
> ---
>  accel/tcg/translate-all.c | 19 ++++++++++++++++++-
>  1 file changed, 18 insertions(+), 1 deletion(-)

Reviewed-by: Richard Henderson <address@hidden>

r~