[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [PATCH v4 14/27] xen/arm: Don't map disabled device in DOM0
Linux should cope with 'status = "disabled"' in the Device Tree. Signed-off-by: Julien Grall <julien.grall@xxxxxxxxxx> --- Changes in v3: - Remove the sentence about pass-through in the commit message Changes in v2: - Add a comment --- xen/arch/arm/domain_build.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/xen/arch/arm/domain_build.c b/xen/arch/arm/domain_build.c index fb4f172..70f48b6 100644 --- a/xen/arch/arm/domain_build.c +++ b/xen/arch/arm/domain_build.c @@ -429,9 +429,13 @@ static int handle_node(struct domain *d, struct kernel_info *kinfo, * - Device used by Xen: Obviously dom0 can't use them * - Memory: the guest will see a different view of memory. It will * be allocated later. + * - Disabled device: Linux is able to cope with status="disabled" + * property. Therefore these device doesn't need to be mapped. This + * solution can be use later for pass through. */ if ( dt_device_used_by(np) != DOMID_XEN && - !dt_device_type_is_equal(np, "memory") ) + !dt_device_type_is_equal(np, "memory") && + dt_device_is_available(np) ) { res = map_device(d, np); -- 1.7.10.4 _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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