MiniOS has never advertised support for supervisor_mode_kernel, and the feature was only ever implemented for 32bit Xen.
Signed-off-by: Andrew Cooper <[email protected]> CC: Keir Fraser <[email protected]> CC: Jan Beulich <[email protected]> CC: Tim Deegan <[email protected]> CC: Stefano Stabellini <[email protected]> CC: Samuel Thibault <[email protected]> --- extras/mini-os/arch/x86/x86_64.S | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/extras/mini-os/arch/x86/x86_64.S b/extras/mini-os/arch/x86/x86_64.S index df3469e..72921b1 100644 --- a/extras/mini-os/arch/x86/x86_64.S +++ b/extras/mini-os/arch/x86/x86_64.S @@ -125,13 +125,10 @@ KERNEL_CS_MASK = 0xfc testl $NMI_MASK,2*8(%rsp) jnz 2f - testb $1,(xen_features+XENFEAT_supervisor_mode_kernel) - jnz 1f - /* Direct iret to kernel space. Correct CS and SS. */ orb $3,1*8(%rsp) orb $3,4*8(%rsp) -1: iretq + iretq 2: /* Slow iret via hypervisor. */ andl $~NMI_MASK, 16(%rsp) -- 1.7.10.4 _______________________________________________ Xen-devel mailing list [email protected] http://lists.xen.org/xen-devel
