From: Andrew Cooper <andrew.cooper3@citrix.com>
To: Jan Beulich <JBeulich@suse.com>,
xen-devel <xen-devel@lists.xenproject.org>
Subject: Re: [PATCH 1/2] x86: limit page type width
Date: Wed, 31 May 2017 11:01:04 +0100 [thread overview]
Message-ID: <c130e90e-3aa9-712c-9ed5-b9389b9940b6@citrix.com> (raw)
In-Reply-To: <592E897D020000780015DF7E@prv-mh.provo.novell.com>
On 31/05/17 08:14, Jan Beulich wrote:
> There's no reason to burn 4 bits on page type when we only have 7 types
> (plus "none") at present. This requires changing one use of
> PGT_shared_page, which so far assumed that the type is both a power of
> 2 and the only type with the high bit set.
>
> Signed-off-by: Jan Beulich <jbeulich@suse.com>
Any particular reason why you reverse the order of shared and writeable?
Either way, Reviewed-by: Andrew Cooper <andrew.cooper3@citrix.com>
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next prev parent reply other threads:[~2017-05-31 10:01 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-05-31 7:04 [PATCH 0/2] x86: XSA_214 follow-up Jan Beulich
2017-05-31 7:14 ` [PATCH 1/2] x86: limit page type width Jan Beulich
2017-05-31 10:01 ` Andrew Cooper [this message]
2017-05-31 10:09 ` Jan Beulich
2017-06-06 8:26 ` Jan Beulich
2017-05-31 7:15 ` [PATCH 2/2] x86: don't allow clearing of TF_kernel_mode for other than 64-bit PV Jan Beulich
2017-05-31 11:08 ` Andrew Cooper
2017-05-31 11:54 ` Jan Beulich
2017-07-03 14:56 ` Ping: " Jan Beulich
2017-12-04 10:15 ` Ping#2: " Jan Beulich
2017-12-04 15:11 ` Andrew Cooper
2017-12-04 17:05 ` Jan Beulich
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