Re: [patch V3 20/30] x86/microcode: Sanitize __wait_for_cpus()

From: Thomas Gleixner
Date: Tue Sep 26 2023 - 12:11:37 EST


On Fri, Sep 22 2023 at 18:24, Borislav Petkov wrote:

> On Tue, Sep 12, 2023 at 09:58:15AM +0200, Thomas Gleixner wrote:
>> + for (timeout = 0; timeout < USEC_PER_SEC; timeout++) {
>> + if (!atomic_read(cnt))
>> + return true;
>
> <---- newline here.
>
>> + udelay(1);
>
> And here.
>
> Otherwise it looks too crammed.

Oh well.

>> + if (!(timeout % 1000))
>
> MSEC_PER_SEC - no naked numbers pls.

MSEC_PER_SEC? Thats really wrong because timeout counts in microseconds,
no? So USEC_PER_MSEC.

>> + touch_nmi_watchdog();
>> }
>> - return 0;
>> + /* Prevent the late comers to make progress and let them time out */
>
> s/to make progress/from making progress/
>
> Nice, otherwise.