On 01/04/2024 12:04, Tiwei Bie wrote:
On 3/29/24 3:50 AM, anton.iva...@cambridgegreys.com wrote:
[...]
+
+void kernel_fpu_begin(void)
+{
+ preempt_disable();
+
+ WARN_ON(this_cpu_read(in_kernel_fpu));
+
+ this_cpu_write(in_kernel_fpu, true);
+
+#ifdef CONFIG_64BIT
+ if (l
On 3/29/24 3:50 AM, anton.iva...@cambridgegreys.com wrote:
[...]
> +
> +void kernel_fpu_begin(void)
> +{
> + preempt_disable();
> +
> + WARN_ON(this_cpu_read(in_kernel_fpu));
> +
> + this_cpu_write(in_kernel_fpu, true);
> +
> +#ifdef CONFIG_64BIT
> + if (likely(cpu_has(&boot_cpu_dat
