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From: Julien Grall <julien@xen.org>
To: Paul Durrant <pdurrant@amazon.com>, xen-devel@lists.xenproject.org
Cc: "Stefano Stabellini" <sstabellini@kernel.org>,
	"Wei Liu" <wl@xen.org>,
	"Konrad Rzeszutek Wilk" <konrad.wilk@oracle.com>,
	"Andrew Cooper" <andrew.cooper3@citrix.com>,
	"Ian Jackson" <ian.jackson@eu.citrix.com>,
	"George Dunlap" <george.dunlap@citrix.com>,
	"Jan Beulich" <jbeulich@suse.com>,
	"Volodymyr Babchuk" <Volodymyr_Babchuk@epam.com>,
	"Roger Pau Monné" <roger.pau@citrix.com>
Subject: Re: [Xen-devel] [PATCH 1/2] domain: introduce alloc/free_shared_info() helpers...
Date: Wed, 26 Feb 2020 08:03:57 +0000	[thread overview]
Message-ID: <061d6292-dfea-1a21-f3ba-3a27946dad7c@xen.org> (raw)
In-Reply-To: <20200225095357.3923-2-pdurrant@amazon.com>

Hi,

On 25/02/2020 09:53, Paul Durrant wrote:
> ... and save the MFN.
> 
> This patch modifies the 'shared_info' field of struct domain to be
> a structure comprising an MFN and a virtual address. Allocations are
> still done from xenheap, so the virtual address still equates to
> virt_to_mfn() called on the MFN but subsequent patch will change this.
> Hence the need to save the MFN.
> 
> NOTE: Whist defining the new helpers, virt_to_mfn() in common/domain.c
>        is made type safe.
>        The definition of nmi_reason() in asm-x86/shared.h is also re-
>        flowed to avoid overly long lines.
> 
> Signed-off-by: Paul Durrant <pdurrant@amazon.com>

Reviewed-by: Julien Grall <jgrall@amazon.com>

Cheers,

-- 
Julien Grall

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  reply	other threads:[~2020-02-26  8:04 UTC|newest]

Thread overview: 41+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-02-25  9:53 [Xen-devel] [PATCH 0/2] remove one more shared xenheap page: shared_info Paul Durrant
2020-02-25  9:53 ` [Xen-devel] [PATCH 1/2] domain: introduce alloc/free_shared_info() helpers Paul Durrant
2020-02-26  8:03   ` Julien Grall [this message]
2020-02-25  9:53 ` [Xen-devel] [PATCH 2/2] domain: use PGC_extra domheap page for shared_info Paul Durrant
2020-02-26 11:33   ` Julien Grall
2020-02-26 11:43     ` Jan Beulich
2020-02-26 12:03     ` Durrant, Paul
2020-02-26 14:22       ` Julien Grall
2020-02-26 14:44         ` Jan Beulich
2020-02-26 11:46   ` Andrew Cooper
2020-02-26 11:53     ` Durrant, Paul
2020-02-26 13:57   ` Jan Beulich
2020-02-26 14:05     ` Durrant, Paul
2020-02-26 15:23       ` Jan Beulich
2020-02-26 16:12         ` Julien Grall
2020-02-26 16:53           ` Woodhouse, David
2020-03-06 11:37             ` Jan Beulich
2020-03-06 11:52               ` David Woodhouse
2020-03-06 11:59                 ` Durrant, Paul
2020-03-06 12:29                   ` Jan Beulich
2020-03-06 12:49                     ` David Woodhouse
2020-03-06 12:25                 ` Jan Beulich
2020-03-06 12:37                   ` David Woodhouse
2020-03-06 12:55                     ` Jan Beulich
2020-03-06 13:08                       ` David Woodhouse
2020-03-06 12:20               ` David Woodhouse
2020-03-06 12:36                 ` Jan Beulich
2020-03-06 12:57                   ` David Woodhouse
2020-03-06 13:10                     ` Jan Beulich
2020-03-06 13:13                       ` Paul Durrant
2020-03-06 13:23                         ` Jan Beulich
2020-03-06 13:26                           ` Paul Durrant
2020-03-06 13:36                             ` Jan Beulich
2020-03-06 13:41                               ` Paul Durrant
2020-03-06 13:46                                 ` Jan Beulich
2020-03-06 16:27                                   ` Paul Durrant
2020-03-06 17:16                                     ` Jan Beulich
2020-03-09  8:48                                       ` Paul Durrant
2020-03-09  8:54                                         ` Jan Beulich
2020-03-06 13:15                       ` David Woodhouse
2020-03-06 13:22                         ` [Xen-devel] [EXTERNAL][PATCH " Paul Durrant

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