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Date: Sat, 5 Dec 2009 10:47:00 +0600
Message-ID: <b9df5fa10912042047i7b6b84e2n2d2a5441d721b3ca@mail.gmail.com>
Subject: Re: [PATCH] x86: Put trampoline_data into readonly section.
From: Rakib Mullick <rakib.mullick@gmail.com>
To: "H. Peter Anvin" <hpa@zytor.com>
Cc: Ingo Molnar <mingo@elte.hu>, Thomas Gleixner <tglx@linutronix.de>,
       LKML <linux-kernel@vger.kernel.org>, x86@kernel.org,
       "Cihula, Joseph" <joseph.cihula@intel.com>,
       Shane Wang <shane.wang@intel.com>
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On 12/5/09, H. Peter Anvin <hpa@zytor.com> wrote:
> On 12/04/2009 08:24 AM, Rakib Mullick wrote:
>
>  Perhaps the better thing would be to define trampoline_size as an
>  absolute symbol in arch/x86/kernel/trampoline_*.S, especially since it
>  probably generates bad code to subtract two global symbols like that.
>
But - trampoline_data is placed into - cpu init readonly data section.
And we are
referencing it from non-cpuinit function. ....... so I think the
problem remains.
Isn't it ? Or am I missing anything?

Rakib
>
>         -hpa
>