this_cpu_write(cpu_tss_rw.x86_tss.sp0, sp0);
}
-void xen_set_iopl_mask(unsigned mask)
-{
- struct physdev_set_iopl set_iopl;
-
- /* Force the change at ring 0. */
- set_iopl.iopl = (mask == 0) ? 1 : (mask >> 12) & 3;
- HYPERVISOR_physdev_op(PHYSDEVOP_set_iopl, &set_iopl);
-}
-
static void xen_io_delay(void)
{
}
static int xen_write_msr_safe(unsigned int msr, unsigned low, unsigned high)
{
int ret;
+#ifdef CONFIG_X86_64
+ unsigned int which;
+ u64 base;
+#endif
ret = 0;
switch (msr) {
#ifdef CONFIG_X86_64
- unsigned which;
- u64 base;
-
case MSR_FS_BASE: which = SEGBASE_FS; goto set;
case MSR_KERNEL_GS_BASE: which = SEGBASE_GS_USER; goto set;
case MSR_GS_BASE: which = SEGBASE_GS_KERNEL; goto set;
.write_idt_entry = xen_write_idt_entry,
.load_sp0 = xen_load_sp0,
- .set_iopl_mask = xen_set_iopl_mask,
.io_delay = xen_io_delay,
/* Xen takes care of %gs when switching to usermode for us */
x86_platform.get_nmi_reason = xen_get_nmi_reason;
x86_init.resources.memory_setup = xen_memory_setup;
+ x86_init.irqs.intr_mode_select = x86_init_noop;
x86_init.irqs.intr_mode_init = x86_init_noop;
x86_init.oem.arch_setup = xen_arch_setup;
x86_init.oem.banner = xen_banner;