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

Eric W. Biederman
2021-10-25T20:55:39Z

"Maciej W. Rozycki" <macro@orcam.me.uk> writes:

> 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>
>

I will add a CC stable. So it can be backported after it is merged.

Eric