linux-kernel - Re: [PATCH v3 10/17] x86/mce: Separate global and per-CPU quirks

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Message-ID: <20250501172335.GC79372@yaz-khff2.amd.com>
Date: Thu, 1 May 2025 13:23:35 -0400
From: Yazen Ghannam <yazen.ghannam@....com>
To: Borislav Petkov <bp@...en8.de>
Cc: x86@...nel.org, Tony Luck <tony.luck@...el.com>,
	linux-kernel@...r.kernel.org, linux-edac@...r.kernel.org,
	Smita.KoralahalliChannabasappa@....com,
	Qiuxu Zhuo <qiuxu.zhuo@...el.com>
Subject: Re: [PATCH v3 10/17] x86/mce: Separate global and per-CPU quirks

On Thu, Apr 17, 2025 at 02:16:31PM +0200, Borislav Petkov wrote:
> On Tue, Apr 15, 2025 at 02:55:05PM +0000, Yazen Ghannam wrote:
> >  /* cpu init entry point, called from mce.c with preempt off */
> >  void mce_amd_feature_init(struct cpuinfo_x86 *c)
> >  {
> > @@ -656,6 +678,7 @@ void mce_amd_feature_init(struct cpuinfo_x86 *c)
> >  	u32 low = 0, high = 0, address = 0;
> >  	int offset = -1;
> >  
> > +	amd_apply_quirks(c);
> 
> <---- newline here.
> 

Ack.

> >  	mce_flags.amd_threshold	 = 1;
> >  
> >  	for (bank = 0; bank < this_cpu_read(mce_num_banks); ++bank) {
> 
> ...
> 
> > @@ -2255,6 +2223,8 @@ void cpu_mca_init(struct cpuinfo_x86 *c)
> >  
> >  	if (cap & MCG_SER_P)
> >  		mca_cfg.ser = 1;
> > +
> > +	__mcheck_cpu_apply_quirks(c);
> 
> Right, this is not a per-CPU init function anymore but a one-time thing and
> called only here so put its contents here and whack it.
> 

Will do.

Thanks,
Yazen