linux-kernel - Re: [PATCH v2] kvm: Fix user memslot overlap check

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: <20121130201858.GB19821@amt.cnet>
Date:	Fri, 30 Nov 2012 18:18:59 -0200
From:	Marcelo Tosatti <mtosatti@...hat.com>
To:	Alex Williamson <alex.williamson@...hat.com>
Cc:	gleb@...hat.com, linux-kernel@...r.kernel.org, kvm@...r.kernel.org,
	xiaoguangrong@...ux.vnet.ibm.com
Subject: Re: [PATCH v2] kvm: Fix user memslot overlap check

On Thu, Nov 29, 2012 at 02:07:59PM -0700, Alex Williamson wrote:
> Prior to memory slot sorting this loop compared all of the user memory
> slots for overlap with new entries.  With memory slot sorting, we're
> just checking some number of entries in the array that may or may not
> be user slots.  Instead, walk all the slots with kvm_for_each_memslot,
> which has the added benefit of terminating early when we hit the first
> empty slot, and skip comparison to private slots.
> 
> Signed-off-by: Alex Williamson <alex.williamson@...hat.com>
> Cc: stable@...r.kernel.org

Applied, thanks.

--
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/