set_vsmp_pv_ops() references no_irq_affinity which is undeclared if CONFIG_PROC_FS isn't set. Fix this by adding an ifdef around this variable's access. Reported-by: Fengguang Wu <wfg@xxxxxxxxxxxxxxx> Signed-off-by: Ido Yariv <ido@xxxxxxxxxx> Acked-by: Shai Fultheim <shai@xxxxxxxxxxx> --- arch/x86/kernel/vsmp_64.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/x86/kernel/vsmp_64.c b/arch/x86/kernel/vsmp_64.c index 6b96a73..3f0285a 100644 --- a/arch/x86/kernel/vsmp_64.c +++ b/arch/x86/kernel/vsmp_64.c @@ -101,7 +101,10 @@ static void __init set_vsmp_pv_ops(void) #ifdef CONFIG_SMP if (cap & ctl & BIT(8)) { ctl &= ~BIT(8); +#ifdef CONFIG_PROC_FS + /* Don't let users change irq affinity via procfs */ no_irq_affinity = 1; +#endif } #endif -- 1.7.10.2 -- To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html