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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

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
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/