[PATCH] arm/xen: Don't probe xenbus as part of an early initcall

[Jürgen Groß]

On 10.02.21 18:06, Julien Grall wrote:
> From: Julien Grall <jgrall at amazon.com>
> 
> After Commit 3499ba8198cad ("xen: Fix event channel callback via
> INTX/GSI"), xenbus_probe() will be called too early on Arm. This will
> recent to a guest hang during boot.
> 
> If there hang wasn't there, we would have ended up to call
> xenbus_probe() twice (the second time is in xenbus_probe_initcall()).
> 
> We don't need to initialize xenbus_probe() early for Arm guest.
> Therefore, the call in xen_guest_init() is now removed.
> 
> After this change, there is no more external caller for xenbus_probe().
> So the function is turned to a static one. Interestingly there were two
> prototypes for it.
> 
> Fixes: 3499ba8198cad ("xen: Fix event channel callback via INTX/GSI")
> Reported-by: Ian Jackson <iwj at xenproject.org>
> Signed-off-by: Julien Grall <jgrall at amazon.com>

Pushed to xen/tip.git for-linus-5.11


Juergen
-------------- next part --------------
A non-text attachment was scrubbed...
Name: OpenPGP_0xB0DE9DD628BF132F.asc
Type: application/pgp-keys
Size: 3091 bytes
Desc: not available
URL: <http://lists.infradead.org/pipermail/linux-arm-kernel/attachments/20210211/5e780664/attachment.bin>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: OpenPGP_signature
Type: application/pgp-signature
Size: 495 bytes
Desc: OpenPGP digital signature
URL: <http://lists.infradead.org/pipermail/linux-arm-kernel/attachments/20210211/5e780664/attachment.sig>