linux-kernel - Re: [PATCH v3 3/5] acpi, apei, ghes: Introduce more generic mechanism to init/deinit GHES error notifications.

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Date:	Thu, 19 Jun 2014 16:28:55 +0200
From:	Borislav Petkov <bp@...en8.de>
To:	Robert Richter <rric@...nel.org>
Cc:	Tomasz Nowicki <tomasz.nowicki@...aro.org>, rjw@...ysocki.net,
	lenb@...nel.org, tony.luck@...el.com, m.chehab@...sung.com,
	bp@...e.de, linux-edac@...r.kernel.org, x86@...nel.org,
	linux-acpi@...r.kernel.org, linux-kernel@...r.kernel.org,
	linaro-acpi@...ts.linaro.org
Subject: Re: [PATCH v3 3/5] acpi, apei, ghes: Introduce more generic
 mechanism to init/deinit GHES error notifications.

On Fri, Jun 13, 2014 at 03:10:51PM +0200, Robert Richter wrote:
> On 13.06.14 13:02:58, Tomasz Nowicki wrote:
> 
> > @@ -811,6 +819,8 @@ static int ghes_notify_nmi(unsigned int cmd, struct pt_regs *regs)
> >  	int sev, sev_global = -1;
> >  	int ret = NMI_DONE;
> >  
> > +	BUG_ON(!IS_ENABLED(ARCH_HAS_ACPI_APEI_NMI));
> > +
> 
> Now that we have the ARCH_HAS_ACPI_APEI_NMI option, group nmi code,
> put it in an #ifdef ... and make function stubs for the !nmi case
> where necessary. That code should moved to patch #2. If an arch does
> not support nmi code, we don't want to compile it into the kernel.
> 
> Also this patch is quit a bit large and should further split into
> moving functional code into separate functions and the introduction of
> the notifier setup. This makes review much easier.
> 
> I did not yet took a deep look into your notifier framework, but I
> don't really see a reason for the dynamic collection of function
> pointers in ghes_notify_tab. See below.

Ok, I'll wait out with further review after you've integrated Robert's
comments.

Thanks.

-- 
Regards/Gruss,
    Boris.

Sent from a fat crate under my desk. Formatting is fine.
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