* Ingo Molnar <[email protected]> wrote:
> * Ingo Molnar <[email protected]> wrote:
>
> > i have triggered this and fixed it the right way - see the patch
> > below. This fixes the 2.6.24-rc1 build error.
>
> and this followup patch is needed too if my patch is applied.
plus the patch below is needed too in addition.
Ingo
------------->
Subject: x86: fix build error in arch/x86/kernel/nmi_32.c
From: Ingo Molnar <[email protected]>
nmi_cpu_busy() must be available on !SMP too.
Signed-off-by: Ingo Molnar <[email protected]>
---
arch/x86/kernel/nmi_32.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
Index: linux/arch/x86/kernel/nmi_32.c
===================================================================
--- linux.orig/arch/x86/kernel/nmi_32.c
+++ linux/arch/x86/kernel/nmi_32.c
@@ -53,13 +53,13 @@ static int unknown_nmi_panic_callback(st
static int endflag __initdata = 0;
-#ifdef CONFIG_SMP
/* The performance counters used by NMI_LOCAL_APIC don't trigger when
* the CPU is idle. To make sure the NMI watchdog really ticks on all
* CPUs during the test make them busy.
*/
static __init void nmi_cpu_busy(void *data)
{
+#ifdef CONFIG_SMP
local_irq_enable_in_hardirq();
/* Intentionally don't use cpu_relax here. This is
to make sure that the performance counter really ticks,
@@ -69,8 +69,8 @@ static __init void nmi_cpu_busy(void *da
care if they get somewhat less cycles. */
while (endflag == 0)
mb();
-}
#endif
+}
static int __init check_nmi_watchdog(void)
{
-
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