On Wed, 27 Mar 2024 13:00:43 -0700 Samuel Holland <samuel.holland@xxxxxxxxxx> wrote:
> Now that all previously-supported architectures select
> ARCH_HAS_KERNEL_FPU_SUPPORT, this code can depend on that symbol instead
> of the existing list of architectures. It can also take advantage of the
> common kernel-mode FPU API and method of adjusting CFLAGS.
>
> ...
>
> @@ -87,16 +78,9 @@ void dc_fpu_begin(const char *function_name, const int line)
> WARN_ON_ONCE(!in_task());
> preempt_disable();
> depth = __this_cpu_inc_return(fpu_recursion_depth);
> -
> if (depth == 1) {
> -#if defined(CONFIG_X86) || defined(CONFIG_LOONGARCH)
> + BUG_ON(!kernel_fpu_available());
> kernel_fpu_begin();
For some reason kernel_fpu_available() was undefined in my x86_64
allmodconfig build. I just removed the statement.
