linux-kernel - Re: [RFC PATCH v1 14/70] x86, microcode, core:

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Message-ID: <20140724090303.GC19239@pd.tnic>
Date:	Thu, 24 Jul 2014 11:03:03 +0200
From:	Borislav Petkov <bp@...en8.de>
To:	"Chen, Gong" <gong.chen@...ux.intel.com>
Cc:	linux-kernel@...r.kernel.org, mingo@...nel.org, tglx@...utronix.de,
	paulus@...ba.org, benh@...nel.crashing.org, tony.luck@...el.com,
	hpa@...or.com, jkosina@...e.cz, rafael.j.wysocki@...el.com,
	linux@....linux.org.uk, ralf@...ux-mips.org,
	schwidefsky@...ibm.com, davem@...emloft.net,
	viro@...iv.linux.org.uk, fweisbec@...il.com, cl@...ux.com,
	akpm@...ux-foundation.org, axboe@...nel.dk,
	JBottomley@...allels.com, neilb@...e.de,
	christoffer.dall@...aro.org, rostedt@...dmis.org, rric@...nel.org,
	gregkh@...uxfoundation.org, mhocko@...e.cz, david@...morbit.com
Subject: Re: [RFC PATCH v1 14/70] x86, microcode, core: _FROZEN Cleanup

On Tue, Jul 22, 2014 at 09:58:50PM -0400, Chen, Gong wrote:
> Remove XXX_FROZEN state from x86/microcode/core.
> 
> Signed-off-by: Chen, Gong <gong.chen@...ux.intel.com>
> ---
>  arch/x86/kernel/cpu/microcode/core.c | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/arch/x86/kernel/cpu/microcode/core.c b/arch/x86/kernel/cpu/microcode/core.c
> index dd9d619..27e47be 100644
> --- a/arch/x86/kernel/cpu/microcode/core.c
> +++ b/arch/x86/kernel/cpu/microcode/core.c
> @@ -499,6 +499,10 @@ mc_cpu_callback(struct notifier_block *nb, unsigned long action, void *hcpu)
>  		pr_debug("CPU%d removed\n", cpu);
>  		break;
>  
> +	case CPU_UP_CANCELED:
> +		/* The CPU refused to come up during a system resume */
> +		if (action & CPU_TASKS_FROZEN)
> +			microcode_fini_cpu(cpu);

Missing "break". We like to add those even if it doesn't matter in this
case.

Also, add the boilerplate

"default:
	break;"

while you're at it, please.

-- 
Regards/Gruss,
    Boris.

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