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-rw-r--r--arch/x86/xen/setup.c20
1 files changed, 5 insertions, 15 deletions
diff --git a/arch/x86/xen/setup.c b/arch/x86/xen/setup.c
index b85dceef56f7..95fb68a8c20d 100644
--- a/arch/x86/xen/setup.c
+++ b/arch/x86/xen/setup.c
@@ -250,20 +250,6 @@ char * __init xen_memory_setup(void)
250 return "Xen"; 250 return "Xen";
251} 251}
252 252
253static void xen_idle(void)
254{
255 local_irq_disable();
256
257 if (need_resched())
258 local_irq_enable();
259 else {
260 current_thread_info()->status &= ~TS_POLLING;
261 smp_mb__after_clear_bit();
262 safe_halt();
263 current_thread_info()->status |= TS_POLLING;
264 }
265}
266
267/* 253/*
268 * Set the bit indicating "nosegneg" library variants should be used. 254 * Set the bit indicating "nosegneg" library variants should be used.
269 * We only need to bother in pure 32-bit mode; compat 32-bit processes 255 * We only need to bother in pure 32-bit mode; compat 32-bit processes
@@ -360,7 +346,11 @@ void __init xen_arch_setup(void)
360 MAX_GUEST_CMDLINE > COMMAND_LINE_SIZE ? 346 MAX_GUEST_CMDLINE > COMMAND_LINE_SIZE ?
361 COMMAND_LINE_SIZE : MAX_GUEST_CMDLINE); 347 COMMAND_LINE_SIZE : MAX_GUEST_CMDLINE);
362 348
363 pm_idle = xen_idle; 349 /* Set up idle, making sure it calls safe_halt() pvop */
350#ifdef CONFIG_X86_32
351 boot_cpu_data.hlt_works_ok = 1;
352#endif
353 pm_idle = default_idle;
364 354
365 fiddle_vdso(); 355 fiddle_vdso();
366} 356}