Re: [PATCH] target/xtensa: don't generate extra EXCP_DEBUG on exception

[Richard Henderson]

On 4/15/21 1:55 PM, Max Filippov wrote:
> target/xtensa used to generate an extra EXCP_DEBUG exception before the
> first instruction executed after an interrupt or an exception is taken
> to allow single-stepping that instruction in the debugger.
> This is no longer needed after the following commits:
> a7ba744f4082 ("tcg/cpu-exec: precise single-stepping after an exception")
> ba3c35d9c402 ("tcg/cpu-exec: precise single-stepping after an interrupt")
> Drop exception state tracking/extra EXCP_DEBUG generation code.
>
> Signed-off-by: Max Filippov<jcmvbkbc@gmail.com>
> ---
> This patch depends on the "target/xtensa: Make sure that tb->size != 0"
> patch.
>
>   target/xtensa/cpu.c        | 1 -
>   target/xtensa/cpu.h        | 7 -------
>   target/xtensa/exc_helper.c | 5 -----
>   target/xtensa/translate.c  | 6 ------
>   4 files changed, 19 deletions(-)

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

r~