linux-kernel - Re: [PATCH 2/7] mce, workqueue: remove keventd

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Message-ID: <20160917172405.GC10771@mtj.duckdns.org>
Date:   Sat, 17 Sep 2016 13:24:05 -0400
From:   Tejun Heo <tj@...nel.org>
To:     Borislav Petkov <bp@...en8.de>
Cc:     torvalds@...ux-foundation.org, linux-kernel@...r.kernel.org,
        jiangshanlai@...il.com, akpm@...ux-foundation.org,
        kernel-team@...com, Tony Luck <tony.luck@...el.com>,
        linux-edac@...r.kernel.org
Subject: Re: [PATCH 2/7] mce, workqueue: remove keventd_up() usage

On Sat, Sep 17, 2016 at 09:56:23AM +0200, Borislav Petkov wrote:
> > This change depends on an earlier workqueue patch and is followed by a
> > patch to remove keventd_up().  It'd be great if it can be routed
> > through the wq/for-4.9 branch.
> 
> I don't mind as long as I can call it as early as:
> 
> ->x86_64_start_reservations
> |->start_kernel
>   |->check_bugs
>      |->identify_boot_cpu
>         |->identify_cpu
> 	   |->mcheck_cpu_init
> 	     |->do_machine_check
> 	       |->mce_report_event
> 	          |->mce_schedule_work
> 
> because this is the earliest callchain I can see.

Yeah, that's way after workqueue early init.  Should be fine.

Thanks.

-- 
tejun