9d3004bf7b
As virt_to_gfn uses virt_to_phys, it will return invalid addresses when used with vmalloc'd addresses. This patch introduces a warning, when virt_to_gfn is used in this way. Signed-off-by: Simon Leiner <simon@leiner.me> Reviewed-by: Stefano Stabellini <sstabellini@kernel.org> Link: https://lore.kernel.org/r/20200825093153.35500-2-simon@leiner.me Signed-off-by: Juergen Gross <jgross@suse.com>