[PATCH 1/3] riscv: Add support for kernel-mode FPU
Christoph Hellwig
hch at infradead.org
Wed Nov 22 00:33:32 PST 2023
On Tue, Nov 21, 2023 at 07:05:13PM -0800, Samuel Holland wrote:
> +static inline void kernel_fpu_begin(void)
> +{
> + preempt_disable();
> + fstate_save(current, task_pt_regs(current));
> + csr_set(CSR_SSTATUS, SR_FS);
> +}
> +
> +static inline void kernel_fpu_end(void)
> +{
> + csr_clear(CSR_SSTATUS, SR_FS);
> + fstate_restore(current, task_pt_regs(current));
> + preempt_enable();
> +}
Is there any critical reason to inline these two? I'd much rather see
them out of line and exported instead of the low-level helpers.
More information about the linux-riscv
mailing list