Re: [PATCH v5 2/4] target/arm: Make sure that commpage's tb->size != 0

[Richard Henderson]

On 4/16/21 8:49 AM, Ilya Leoshkevich wrote:
> tb_gen_code() assumes that tb->size must never be zero, otherwise it
> may produce spurious exceptions. For ARM this may happen when creating
> a translation block for the commpage.
>
> Fix by pretending that commpage translation blocks have at least one
> instruction.
>
> Signed-off-by: Ilya Leoshkevich<iii@linux.ibm.com>
> ---
>   target/arm/translate.c | 2 ++
>   1 file changed, 2 insertions(+)

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>

r~