linux-kernel - Re: [RFC] merge 32/64 bits realmode wakeup code

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Message-ID: <4D447C00.70709@free.fr>
Date:	Sat, 29 Jan 2011 21:43:44 +0100
From:	matthieu castet <castet.matthieu@...e.fr>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
CC:	Linux Kernel list <linux-kernel@...r.kernel.org>,
	linux-acpi@...r.kernel.org, "H. Peter Anvin" <hpa@...or.com>,
	Thomas Gleixner <tglx@...utronix.de>, x86@...nel.org
Subject: Re: [RFC] merge 32/64 bits realmode wakeup code

Rafael J. Wysocki a écrit :
> On Thursday, January 27, 2011, matthieu castet wrote:
>> Hi,
>>
>> this patch merge 32 and 64 realmode wakeup code :
>> - this mean less ifdef in code
>> - we could remove now unused field in wakeup_header (pmode_*)
>> - this allow to set the first 1 MB NX.
>>
>> Do you think it is safe on all X86 32 bit machine ?
>>
>> Matthieu
>>
>>
>> Signed-off-by: Matthieu CASTET <castet.matthieu@...e.fr>
> 
> It _looks_ sane, but it will require some serious testing.  I'm not sure,
> though, if we can get enough testing coverage without actually committing
> that change.
> 
> How much testing has it received so far?
> 
Not too much only qemu with 1 and 2 core and a laptop with 1 cpu.

Please note that with this patch we can also remove the gdt, idt, ldt stuff from 
arch/x86/kernel/acpi/wakeup_32.S




Matthieu
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