On Wed, Jun 15, 2022 at 07:31:14PM +0000, Colton Lewis wrote:
> Increase UCALL_MAX_ARGS to 7 to allow GUEST_ASSERT_4 to pass 3 builtin
> ucall arguments specified in guest_assert_builtin_args plus 4
> user-specified arguments.
>
> Signed-off-by: Colton Lewis <coltonlewis@xxxxxxxxxx>
> ---
> tools/testing/selftests/kvm/include/ucall_common.h | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/tools/testing/selftests/kvm/include/ucall_common.h b/tools/testing/selftests/kvm/include/ucall_common.h
> index dbe872870b83..568c562f14cd 100644
> --- a/tools/testing/selftests/kvm/include/ucall_common.h
> +++ b/tools/testing/selftests/kvm/include/ucall_common.h
> @@ -16,7 +16,7 @@ enum {
> UCALL_UNHANDLED,
> };
>
> -#define UCALL_MAX_ARGS 6
> +#define UCALL_MAX_ARGS 7
>
> struct ucall {
> uint64_t cmd;
> --
> 2.36.1.476.g0c4daa206d-goog
>
We probably want to ensure all architectures are good with this. afaict,
riscv only expects 6 args and uses UCALL_MAX_ARGS to cap the ucall inputs,
for example.
Thanks,
drew
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