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Re: [Qemu-devel] [PATCH] xen: Restrict build to x86 targets


From: Jan Kiszka
Subject: Re: [Qemu-devel] [PATCH] xen: Restrict build to x86 targets
Date: Mon, 29 Nov 2010 13:30:29 +0100
User-agent: Mozilla/5.0 (X11; U; Linux i686 (x86_64); de; rv:1.8.1.12) Gecko/20080226 SUSE/2.0.0.12-1.1 Thunderbird/2.0.0.12 Mnenhy/0.7.5.666

Am 29.11.2010 13:24, Alexander Graf wrote:
> 
> On 28.11.2010, at 16:59, Jan Kiszka wrote:
> 
>> From: Jan Kiszka <address@hidden>
>>
>> Xen target bits in qemu are intended for x86. Let the build system
>> reflect this and avoid useless building/linking for other targets.
> 
> Not sure I understand the split. Xen is x86 only, yes. But why split it into 
> host and target? Target usually defines the guest. The piece you marked as 
> _HOST are target specific.

At least so far, the HOST part is build once for all targets into the
host backend library. As this step injected CONFIG_XEN into all target
builds, even non-x86 targets built xen_machine_pv and xen_domainbuild.
That's addressed by the patch.

Jan

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Siemens AG, Corporate Technology, CT T DE IT 1
Corporate Competence Center Embedded Linux



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