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

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Date:	Tue, 31 Mar 2015 17:55:50 +0200
From:	Ingo Molnar <mingo@...nel.org>
To:	Boris Ostrovsky <boris.ostrovsky@...cle.com>
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


* 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
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