x86/IBRS: Drop unnecessary WRITE_ONCE

There is no reason to use it here.

Orabug: 27448280

Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Reviewed-by: Krish Sadhukhan <krish.sadhukhan@oracle.com>
Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>

diff --git a/arch/x86/kernel/cpu/spec_ctrl.c b/arch/x86/kernel/cpu/spec_ctrl.c
index 2b288f1b3d3506912def8c667a10c465e3d18362..2de6c9ea61227264a3d48f1957f7f83dbd7740dc 100644 (file)
--- a/arch/x86/kernel/cpu/spec_ctrl.c
+++ b/arch/x86/kernel/cpu/spec_ctrl.c
@@ -89,7 +89,7 @@ static ssize_t ibrs_enabled_write(struct file *file,
                        enable = IBRS_DISABLED;
        }
 
-       WRITE_ONCE(sysctl_ibrs_enabled, enable);
+       sysctl_ibrs_enabled = enable;
 
        mutex_unlock(&spec_ctrl_mutex);
        return count;