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From: Andrew Cooper <andrew.cooper3@citrix.com>
To: Tamas K Lengyel <tamas.k.lengyel@gmail.com>
Cc: Xen-devel <xen-devel@lists.xenproject.org>,
	Stefano Stabellini <sstabellini@kernel.org>,
	Julien Grall <julien@xen.org>,
	Volodymyr Babchuk <Volodymyr_Babchuk@epam.com>
Subject: Re: [Xen-devel] [PATCH] xen/arm: Restrict access to most HVM_PARAM's
Date: Wed, 19 Feb 2020 19:54:29 +0000	[thread overview]
Message-ID: <ad15e00d-a78c-aa83-7ddd-8af4fe895026@citrix.com> (raw)
In-Reply-To: <CABfawh==BEes5nvt=FD4waOb4pAgANGV+nPG1+XQ=CkgZ8FRGA@mail.gmail.com>

On 19/02/2020 16:44, Tamas K Lengyel wrote:
> On Mon, Feb 10, 2020 at 11:46 AM Andrew Cooper
> <andrew.cooper3@citrix.com> wrote:
>> ARM currently has no restrictions on toolstack and guest access to the entire
>> HVM_PARAM block.  As the paging/monitor/sharing features aren't under security
>> support, this doesn't need an XSA.
> There is no paging or sharing implementation on ARM anyway.

Great.

> A cc would have been nice though.

Sorry.  I didn't consider this something other than "clean up the
parameter handling".  It was based on which parameters were referenced
in common or arm specific code.

~Andrew

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  reply	other threads:[~2020-02-19 19:55 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-02-10 18:45 [Xen-devel] [PATCH] xen/arm: Restrict access to most HVM_PARAM's Andrew Cooper
2020-02-19 15:53 ` Julien Grall
2020-02-19 19:01   ` Andrew Cooper
2020-02-19 16:44 ` Tamas K Lengyel
2020-02-19 19:54   ` Andrew Cooper [this message]
2020-02-19 19:30 ` Andrew Cooper
2020-02-21 12:37   ` Julien Grall

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