Re: [PATCH v1 2/8] cpu: cache CPUClass in CPUState for hot code paths

[Philippe Mathieu-Daudé]

On 11/8/22 17:14, Alex Bennée wrote:
> The class cast checkers are quite expensive and always on (unlike the
> dynamic case who's checks are gated by CONFIG_QOM_CAST_DEBUG). To
> avoid the overhead of repeatedly checking something which should never
> change we cache the CPUClass reference for use in the hot code paths.
>
> Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
> ---
>   include/hw/core/cpu.h | 9 +++++++++
>   cpu.c                 | 9 ++++-----
>   2 files changed, 13 insertions(+), 5 deletions(-)

Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>