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] [day] [month] [year] [list]
Message-ID: <20081216215414.GX14787@elte.hu>
Date:	Tue, 16 Dec 2008 22:54:14 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Jack Steiner <steiner@....com>
Cc:	tglx@...utronix.de, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] x86 : UV fix for global physical addresses


* Jack Steiner <steiner@....com> wrote:

> This fixes a UV bug related to generating global memory addresses
> on partitioned systems. Partition systems do not have physical memory
> at address 0. Instead, a chunk of high memory is remapped by the chipset
> so that it appears to be at address 0. This remapping is INVISIBLE to most
> of the OS. The only OS functions that need to be aware of the remaping are
> functions that directly interface to the chipset. The GRU is one example.
> 
> Also, delete a couple of unused macros related to global memory addresses.
> 
> Signed-off-by: Jack Steiner <steiner@....com>
> 
> 
> ---
>  arch/x86/include/asm/uv/uv_hub.h |   16 ++--------------
>  arch/x86/kernel/genx2apic_uv_x.c |    3 +--
>  2 files changed, 3 insertions(+), 16 deletions(-)

applied to tip/x86/uv, thanks Jack!

	Ingo
--
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/

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ