linux-kernel - Re: [PATCH 03/16] x86/amd_nb: Clean up early_is_amd

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Message-ID: <20241029143928.GA1011322@yaz-khff2.amd.com>
Date: Tue, 29 Oct 2024 10:39:28 -0400
From: Yazen Ghannam <yazen.ghannam@....com>
To: Borislav Petkov <bp@...en8.de>
Cc: linux-edac@...r.kernel.org, linux-kernel@...r.kernel.org,
	tony.luck@...el.com, x86@...nel.org, avadhut.naik@....com,
	john.allen@....com, mario.limonciello@....com, bhelgaas@...gle.com,
	Shyam-sundar.S-k@....com, richard.gong@....com, jdelvare@...e.com,
	linux@...ck-us.net, clemens@...isch.de, hdegoede@...hat.com,
	ilpo.jarvinen@...ux.intel.com, linux-pci@...r.kernel.org,
	linux-hwmon@...r.kernel.org, platform-driver-x86@...r.kernel.org,
	naveenkrishna.chatradhi@....com, carlos.bilbao.osdev@...il.com
Subject: Re: [PATCH 03/16] x86/amd_nb: Clean up early_is_amd_nb()

On Fri, Oct 25, 2024 at 05:58:30PM +0200, Borislav Petkov wrote:
> On Wed, Oct 23, 2024 at 05:21:37PM +0000, Yazen Ghannam wrote:
> > @@ -393,11 +392,11 @@ bool __init early_is_amd_nb(u32 device)
> >  	    boot_cpu_data.x86_vendor != X86_VENDOR_HYGON)
> >  		return false;
> >  
> > -	if (boot_cpu_data.x86_vendor == X86_VENDOR_HYGON)
> > -		misc_ids = hygon_nb_misc_ids;
> > +	if (boot_cpu_has(X86_FEATURE_ZEN))
> 
> check_for_deprecated_apis: WARNING: arch/x86/kernel/amd_nb.c:395: Do not use boot_cpu_has() - use cpu_feature_enabled() instead.

Sure thing.

How can I enable this check myself?

Thanks,
Yazen