On Wed, Oct 23, 2024 at 09:38:33PM +0100, Mark Brown wrote:
> The other stress test programs provide a SIGUSR1 handler which modifies the
> live register state in order to validate that signal context is being
> restored during signal return. While we can't usefully do this when testing
> kernel mode FP usage provide a handler for SIGUSR1 which just counts the
> number of signals like we do for SIGUSR2, allowing fp-stress to treat all
> the test programs uniformly.
>
> Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>
Acked-by: Mark Rutland <mark.rutland@xxxxxxx>
Mark.
> ---
> tools/testing/selftests/arm64/fp/kernel-test.c | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/tools/testing/selftests/arm64/fp/kernel-test.c b/tools/testing/selftests/arm64/fp/kernel-test.c
> index e8da3b4cbd23202c6504ffd8043f8ef351d739f6..859345379044fc287458644309d66cf5f3d8bdf5 100644
> --- a/tools/testing/selftests/arm64/fp/kernel-test.c
> +++ b/tools/testing/selftests/arm64/fp/kernel-test.c
> @@ -267,6 +267,10 @@ int main(void)
> strerror(errno), errno);
>
> sa.sa_sigaction = handle_kick_signal;
> + ret = sigaction(SIGUSR1, &sa, NULL);
> + if (ret < 0)
> + printf("Failed to install SIGUSR1 handler: %s (%d)\n",
> + strerror(errno), errno);
> ret = sigaction(SIGUSR2, &sa, NULL);
> if (ret < 0)
> printf("Failed to install SIGUSR2 handler: %s (%d)\n",
>
> --
> 2.39.2
>
