UBUNTU: SAUCE: rfi-flush: Make l1d_flush_type bit flags

CVE-2017-5754

BugLink: http://bugs.launchpad.net/bugs/1742772

So we can select more than one.
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Marcelo Henrique Cerri <marcelo.cerri@canonical.com>

arch/powerpc/include/asm/setup.h

@@ -28,11 +28,12 @@ void setup_panic(void);
 
 void rfi_flush_enable(bool enable);
 
+/* These are bit flags */
 enum l1d_flush_type {
-	L1D_FLUSH_NONE,
-	L1D_FLUSH_FALLBACK,
-	L1D_FLUSH_ORI,
-	L1D_FLUSH_MTTRIG,
+	L1D_FLUSH_NONE		= 0x1,
+	L1D_FLUSH_FALLBACK	= 0x2,
+	L1D_FLUSH_ORI		= 0x4,
+	L1D_FLUSH_MTTRIG	= 0x8,
 };
 
 void __init setup_rfi_flush(enum l1d_flush_type, bool enable);