linux-kernel - Re: [PATCH v2 0/3] Enable FRED earlier

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Message-ID: <4514b8a2-cc17-4e00-927e-24a607f780fd@zytor.com>
Date: Tue, 13 Aug 2024 08:58:12 -0700
From: Xin Li <xin@...or.com>
To: Thomas Gleixner <tglx@...utronix.de>, linux-kernel@...r.kernel.org
Cc: hpa@...or.com, mingo@...hat.com, bp@...en8.de, dave.hansen@...ux.intel.com,
        x86@...nel.org, peterz@...radead.org, andrew.cooper3@...rix.com,
        nik.borisov@...e.com, houwenlong.hwl@...group.com
Subject: Re: [PATCH v2 0/3] Enable FRED earlier

> I just noticed that there is another leftover regarding FRED:
> 
> arch/x86/kernel/cpu/cpuid-deps.c:86: { X86_FEATURE_FRED, X86_FEATURE_WRMSRNS },
> 
> We removed the dependency on X86_FEATURE_WRMSRNS, right? So this is
> stale and should be removed too.

Right, I did plan to include such a change per your ask to remove the
comment in arch/x86/include/asm/switch_to.h:

https://lore.kernel.org/lkml/87ttfw18jy.ffs@tglx/

So it will be in the next iteration of that patch set.

Thanks!
    Xin