Re: [PATCH 0/1] accel/tcg: Allow the second page of an instruction to be MMIO

[Richard Henderson]

On 2/6/23 09:38, Richard Henderson wrote:
> Curious but true: two independent reports of the same issue within
> 24 hours, one with an x86 guest and one with an arm guest.
>
> Neither report included instructions for reproduction (and both seem
> to be with complex setup), therefore this is untested, but seems simple
> enough to be the proper fix.  It matches up with
>
>      /*
>       * If the TB is not associated with a physical RAM page then it must be
>       * a temporary one-insn TB, and we have nothing left to do. Return early
>       * before attempting to link to other TBs or add to the lookup table.
>       */
>      if (tb_page_addr0(tb) == -1) {
>          return tb;
>      }
>
> in tb_gen_code().
>
>
> r~
>
>
> Richard Henderson (1):
>    accel/tcg: Allow the second page of an instruction to be MMIO
>
>   accel/tcg/translator.c | 12 ++++++++++--
>   1 file changed, 10 insertions(+), 2 deletions(-)

Queued to tcg-next.


r~