linux-kernel - Re: [PATCH] x86: Factor out common CPU initialization code

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Message-ID: <551ACE18.4070501@oracle.com>
Date:	Tue, 31 Mar 2015 12:40:56 -0400
From:	Boris Ostrovsky <boris.ostrovsky@...cle.com>
To:	Ingo Molnar <mingo@...nel.org>
CC:	tglx@...utronix.de, mingo@...hat.com, hpa@...or.com,
	konrad.wilk@...cle.com, david.vrabel@...rix.com,
	linux-kernel@...r.kernel.org, xen-devel@...ts.xenproject.org,
	luto@...capital.net
Subject: Re: [PATCH] x86: Factor out common CPU initialization code

On 03/31/2015 11:55 AM, Ingo Molnar wrote:
>
> * Boris Ostrovsky <boris.ostrovsky@...cle.com> wrote:
>
>> Some of x86 bare-metal and Xen CPU initialization code is common between the two
>> and therefore can be factored out to avoid code duplication.
>>
>> As a side effect, doing so will also extend the fix provided by commit
>> a7fcf28d431e ("x86/asm/entry: Replace this_cpu_sp0() with current_top_of_stack()
>> to x86_32") to 32-bit Xen PV guests.
>>
>> Signed-off-by: Boris Ostrovsky <boris.ostrovsky@...cle.com>
>> ---
>>   arch/x86/include/asm/smp.h |  1 +
>>   arch/x86/kernel/smpboot.c  | 39 +++++++++++++++++++++++----------------
>>   arch/x86/xen/smp.c         | 14 +-------------
>>   3 files changed, 25 insertions(+), 29 deletions(-)
>
> This does not apply to the latest x86 tree (tip:master).
>
> Thanks,
>
> 	Ingo
>


Yes, I was somewhat out-of-date, sorry. Let me re-test this and submit v2.

-boris
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