[ Upstream commit ecb6237fa397b7b810d798ad19322eca466dbab1 ] 1 << 31 is undefined. So switch to 1U << 31. Fixes: 5ead97c84f ("xen: Core Xen implementation") Signed-off-by: Julien Grall <jgrall@amazon.com> Reviewed-by: Juergen Gross <jgross@suse.com> Link: https://lore.kernel.org/r/20220617103037.57828-1-julien@xen.org Signed-off-by: Juergen Gross <jgross@suse.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
5ead97c84f