1 files changed, 3 insertions, 2 deletions

diff --git a/arch/x86/platform/uv/tlb_uv.c b/arch/x86/platform/uv/tlb_uv.c
index 68e467f69fec..34be65093309 100644
--- a/arch/x86/platform/uv/tlb_uv.c
+++ b/arch/x86/platform/uv/tlb_uv.c
@@ -1334,9 +1334,10 @@ static ssize_t tunables_write(struct file *file, const char __user *user,
 
         instr[count] = '\0';
 
-        bcp = &per_cpu(bau_control, smp_processor_id());
-
+        cpu = get_cpu();
+        bcp = &per_cpu(bau_control, cpu);
         ret = parse_tunables_write(bcp, instr, count);
+        put_cpu();
         if (ret)
                 return ret;