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-rw-r--r--arch/x86/kernel/vsmp_64.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/x86/kernel/vsmp_64.c b/arch/x86/kernel/vsmp_64.c
index 6b96a7374f9..3f0285ac00f 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