The boot loader version reported via sysfs is wrong in case of the kernel being booted via the Xen PVH boot entry. it should be 2.12 (0x020c), but it is reported to be 2.18 (0x0212).

As the current way to set the version is error prone use the more readable variant (2 << 8) | 12.

Cc: stable@vger.kernel.org # 4.12 Signed-off-by: Juergen Gross jgross@suse.com --- arch/x86/xen/enlighten_pvh.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/xen/enlighten_pvh.c b/arch/x86/xen/enlighten_pvh.c index 436c4f003e17..6e6430cb5e3f 100644 --- a/arch/x86/xen/enlighten_pvh.c +++ b/arch/x86/xen/enlighten_pvh.c @@ -69,7 +69,7 @@ static void __init init_pvh_bootparams(void) * Version 2.12 supports Xen entry point but we will use default x86/PC * environment (i.e. hardware_subarch 0). */ - pvh_bootparams.hdr.version = 0x212; + pvh_bootparams.hdr.version = (2 << 8) | 12; pvh_bootparams.hdr.type_of_loader = (9 << 4) | 0; /* Xen loader */ }