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:	Thu, 18 Feb 2016 16:31:43 -0500
From:	Boris Ostrovsky <boris.ostrovsky@...cle.com>
To:	Borislav Petkov <bp@...en8.de>, X86 ML <x86@...nel.org>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Andy Lutomirski <luto@...capital.net>,
	"Luis R. Rodriguez" <mcgrof@...nel.org>
Subject: Re: [PATCH] x86/ptdump: Remove paravirt_enabled()



On 02/18/2016 03:00 PM, Borislav Petkov wrote:
> From: Borislav Petkov <bp@...e.de>
>
> is_hypervisor_range() can simply check if the PGD index is
> within ffff800000000000 - ffff87ffffffffff which is the range
> reserved for a hypervisor. That range is practically an ABI, see
> Documentation/x86/x86_64/mm.txt.
>
> Signed-off-by: Borislav Petkov <bp@...e.de>
> Cc: Andy Lutomirski <luto@...capital.net>
> Cc: Boris Ostrovsky <boris.ostrovsky@...cle.com>
> Cc: "Luis R. Rodriguez" <mcgrof@...nel.org>

Under Xen, as PV guest:

Tested-by: Boris Ostrovsky <boris.ostrovsky@...cle.com>


Powered by blists - more mailing lists