x86/fpu: Update stale variable name in comment

When the fpu code was reworked pcntxt_mask was renamed to
xfeatures_mask. Reflect it in the comment as well.

Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lkml.kernel.org/r/20191101123850.GE1615@uranus.lan

diff --git a/arch/x86/kernel/fpu/xstate.c b/arch/x86/kernel/fpu/xstate.c
index e5cb67d67c030a8c378e8fdd91650fe37520cbf0..18ffc6f4c447a854732d8162e2efdab21fffb0ef 100644 (file)
--- a/arch/x86/kernel/fpu/xstate.c
+++ b/arch/x86/kernel/fpu/xstate.c
@@ -840,7 +840,7 @@ void *get_xsave_addr(struct xregs_state *xsave, int xfeature_nr)
 
        /*
         * We should not ever be requesting features that we
-        * have not enabled.  Remember that pcntxt_mask is
+        * have not enabled.  Remember that xfeatures_mask is
         * what we write to the XCR0 register.
         */
        WARN_ONCE(!(xfeatures_mask & BIT_ULL(xfeature_nr)),