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xen-ia64-devel
[Xen-devel] PATCH: fix transparent virtualization issue (Re)
Le Jeudi 18 Mai 2006 00:35, Keir Fraser a écrit :
> On 17 May 2006, at 12:17, Tristan Gingold wrote:
> > this patch fixes a few transparent virtualization (ie running
> > xenolinux on
> > bare platform) issues for xen/ia64.
>
> Why not call xen_init() in the two places you added NULL check for
> xen_start_info? Especially in netfront -- you already call xen_init()
> in blkfront, so it seems weird not to do so in netfront. I see no
> reason not to call it in swiotlb.c too.
>
> xen_init() is a pretty bad name by the way, seeing as it's called all
> over the place so it's not really initialising xen state at every call
> site. Given that it is used in most places for the caller to determine
> if you are running on Xen or not, why not call it running_on_xen() and
> have the initialisation on the first call just be a hidden side effect?
Hi,
here are two patches for transparent virtualization.
xen-transvirt4.diffs replaces uses of xen_init() by running_on_xen on common
and x86 code.
xen-transvirt3.diffs is for xen/ia64: it add a call to xen_init() very early.
I think this is cleaner than previous way.
Tristan.
xen-transvirt4.diffs
Description: Text Data
xen-transvirt3.diffs
Description: Text Data
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