Re: [Patch v6 08/22] x86/fpu: Ensure TIF_NEED_FPU_LOAD is set after saving FPU state

[Mi, Dapeng]

On 2/12/2026 3:39 AM, Chang S. Bae wrote:
> On 2/8/2026 11:20 PM, Dapeng Mi wrote:
>> Ensure that the TIF_NEED_FPU_LOAD flag is always set after saving the
>> FPU state. This guarantees that the user space FPU state has been saved
>> whenever the TIF_NEED_FPU_LOAD flag is set.
>>
>> A subsequent patch will verify if the user space FPU state can be
>> retrieved from the saved task FPU state in the NMI context by checking
>> the TIF_NEED_FPU_LOAD flag.
>>
>> Suggested-by: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
>> Suggested-by: Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>
> I could check some previous discussions there:
> https://lore.kernel.org/all/20251204151735.GO2528459@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx/
>
> With that, I think I can get the context of this change -- tightening 
> the flag up with the buffer against *NMIs*.
>
> But the changelog doesn't look clear enough to explain the reason to me.
>
> At least, I guess Links to the past discussions provides better context 
> to readers.

Thanks for the reminding. I would add a "Closes" tag here.