Re: [PATCH 05/20] signal/mips: Update (_save|_restore)_fp_context to fail with -EFAULT

Maciej W. Rozycki
2021-10-24T04:24:21Z

On Wed, 20 Oct 2021, Eric W. Biederman wrote:

> When an instruction to save or restore a register from the stack fails
> in _save_fp_context or _restore_fp_context return with -EFAULT. This
> change was made to r2300_fpu.S[1] but it looks like it got lost with
> the introduction of EX2[2]. This is also what the other implementation
> of _save_fp_context and _restore_fp_context in r4k_fpu.S does, and
> what is needed for the callers to be able to handle the error.

Umm, right, good catch, thanks! I think this ought to be backported.

Acked-by: Maciej W. Rozycki <macro@orcam.me.uk>

Maciej