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From: matthieu castet <castet.matthieu@free.fr>
To: "Rafael J. Wysocki" <rjw@sisk.pl>
Cc: Linux Kernel list <linux-kernel@vger.kernel.org>,
	linux-acpi@vger.kernel.org, "H. Peter Anvin" <hpa@zytor.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	x86@kernel.org
Subject: Re: [RFC] merge 32/64 bits realmode wakeup code
Date: Sat, 29 Jan 2011 21:43:44 +0100	[thread overview]
Message-ID: <4D447C00.70709@free.fr> (raw)
In-Reply-To: <201101272354.00042.rjw@sisk.pl>

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@free.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

  reply	other threads:[~2011-01-29 20:43 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-01-27 21:56 [RFC] merge 32/64 bits realmode wakeup code matthieu castet
2011-01-27 22:53 ` Rafael J. Wysocki
2011-01-29 20:43   ` matthieu castet [this message]
2011-01-29 21:15     ` Rafael J. Wysocki
2011-01-30  0:19       ` H. Peter Anvin
2011-01-30 12:59         ` Rafael J. Wysocki
2011-01-30 19:57         ` matthieu castet
2011-01-30 20:04       ` matthieu castet
2011-01-30 22:42         ` Rafael J. Wysocki

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