linux-kernel - Re: [PATCH 0/2] kvm: IOMMU read-only mapping support

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]

Message-ID: <1359387416.11144.177.camel@bling.home>
Date:	Mon, 28 Jan 2013 08:36:56 -0700
From:	Alex Williamson <alex.williamson@...hat.com>
To:	Takuya Yoshikawa <takuya.yoshikawa@...il.com>
Cc:	Gleb Natapov <gleb@...hat.com>,
	Xiao Guangrong <xiaoguangrong@...ux.vnet.ibm.com>,
	Takuya Yoshikawa <yoshikawa_takuya_b1@....ntt.co.jp>,
	kvm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/2] kvm: IOMMU read-only mapping support

On Mon, 2013-01-28 at 21:25 +0900, Takuya Yoshikawa wrote:
> On Mon, 28 Jan 2013 12:59:03 +0200
> Gleb Natapov <gleb@...hat.com> wrote:
> 
> > > It sets spte based on the old value that means the readonly flag check
> > > is missed. We need to call kvm_arch_flush_shadow_all under this case.
> > Why not just disallow changing memory region KVM_MEM_READONLY flag
> > without deleting the region?
> 
> Sounds good.
> 
> If you prefer, I can fold the required change into my patch.

That would seem to make my patch 1/2 unnecessary.  Thanks,

Alex

--
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/