Re: [Qemu-devel] [PATCH 3/6] accel/tcg: Handle get_page_addr_code() returning -1 in tb_check_watchpoint()

[Richard Henderson]

On 07/10/2018 09:00 AM, Peter Maydell wrote:
> When we support execution from non-RAM MMIO regions, get_page_addr_code()
> will return -1 to indicate that there is no RAM at the requested address.
> Handle this in tb_check_watchpoint() -- if the exception happened for a
> PC which doesn't correspond to RAM then there is no need to invalidate
> any TBs, because the one-instruction TB will not have been cached.
> 
> Signed-off-by: Peter Maydell <address@hidden>
> ---
>  accel/tcg/translate-all.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)

Reviewed-by: Richard Henderson <address@hidden>

r~