Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc

[linux-2.6] / arch / x86 / lib / delay_32.c

diff --git a/arch/x86/lib/delay_32.c b/arch/x86/lib/delay_32.c
index f6edb11364dfe5edef9ffac33341b24307a85434..aad9d95469dc68dcb25b9fac93b743d44b7d9038 100644 (file)
--- a/arch/x86/lib/delay_32.c
+++ b/arch/x86/lib/delay_32.c
@@ -12,6 +12,7 @@
 
 #include <linux/module.h>
 #include <linux/sched.h>
+#include <linux/preempt.h>
 #include <linux/delay.h>
 
 #include <asm/processor.h>
@@ -42,11 +43,13 @@ static void delay_tsc(unsigned long loops)
 {
        unsigned long bclock, now;
 
+       preempt_disable();              /* TSC's are per-cpu */
        rdtscl(bclock);
        do {
                rep_nop();
                rdtscl(now);
        } while ((now-bclock) < loops);
+       preempt_enable();
 }
 
 /*
@@ -82,7 +85,7 @@ inline void __const_udelay(unsigned long xloops)
        __asm__("mull %0"
                :"=d" (xloops), "=&a" (d0)
                :"1" (xloops), "0"
-               (cpu_data[raw_smp_processor_id()].loops_per_jiffy * (HZ/4)));
+               (cpu_data(raw_smp_processor_id()).loops_per_jiffy * (HZ/4)));
 
        __delay(++xloops);
 }