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From: Ian Campbell <ian.campbell@citrix.com>
To: "Chen, Tiejun" <tiejun.chen@intel.com>
Cc: Kevin <kevin.tian@intel.com>,
	wei.liu2@citrix.com, Ian.Jackson@eu.citrix.com,
	qemu-devel@nongnu.org, xen-devel@lists.xen.org,
	stefano.stabellini@citrix.com
Subject: Re: [Qemu-devel] One question to lowlevel/xl/xl.c and lowlevel/xc/xc.c
Date: Wed, 25 Mar 2015 10:26:50 +0000	[thread overview]
Message-ID: <1427279210.10784.49.camel@citrix.com> (raw)
In-Reply-To: <55120CEA.2020607@intel.com>

On Wed, 2015-03-25 at 09:18 +0800, Chen, Tiejun wrote:
> Actually my problem is that, I need to add a new parameter, 'flag', like 
> this, xc_assign_device(xxx,xxx,flag). So if I don't refine xc.c, tools 
> can't be compiled successfully. Or maybe you're suggesting I may isolate 
> this file while building tools, right?

I answered this in my original reply:
         it is acceptable for the new
        parameter to not be plumbed up to the Python bindings until someone
        comes along with a requirement to use it from Python. IOW you can just
        pass whatever the nop value is for the new argument.

The "nop value" is whatever value should be passed to retain the current
behaviour.

Ian.

  reply	other threads:[~2015-03-25 10:26 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-03-23  1:17 [Qemu-devel] [v3][PATCH 0/2] libxl: try to support IGD passthrough for qemu upstream Tiejun Chen
2015-03-23  1:17 ` [Qemu-devel] [v3][PATCH 1/2] libxl: introduce libxl__is_igd_vga_passthru Tiejun Chen
2015-03-23  1:17 ` [Qemu-devel] [v3][PATCH 2/2] libxl: introduce gfx_passthru_kind Tiejun Chen
2015-03-24  8:47   ` [Qemu-devel] One question to lowlevel/xl/xl.c and lowlevel/xc/xc.c Chen, Tiejun
2015-03-24  9:51     ` Ian Campbell
2015-03-24 10:15       ` Chen, Tiejun
2015-03-24 10:20         ` Ian Campbell
2015-03-24 10:31           ` Chen, Tiejun
2015-03-24 10:40             ` Ian Campbell
2015-03-25  1:18               ` Chen, Tiejun
2015-03-25 10:26                 ` Ian Campbell [this message]
2015-03-26  0:44                   ` Chen, Tiejun
2015-03-24 14:50   ` [Qemu-devel] [v3][PATCH 2/2] libxl: introduce gfx_passthru_kind Ian Campbell
2015-03-25  1:10     ` Chen, Tiejun
2015-03-25 10:32       ` Ian Campbell
2015-03-26  0:53         ` Chen, Tiejun
2015-03-26 10:06           ` Ian Campbell
2015-03-27  1:29             ` Chen, Tiejun
2015-03-27  9:54               ` Ian Campbell
2015-03-30  1:28                 ` Chen, Tiejun
2015-03-30  9:19                   ` Ian Campbell
2015-04-01  1:05                     ` Chen, Tiejun
2015-04-01  8:45                       ` Ian Campbell
2015-04-01  9:18                         ` Chen, Tiejun
2015-04-01  9:53                           ` Ian Campbell

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