x86/cpufeatures: Move RETPOLINE flags to word 11

commit a883d624aed463c84c22596006e5a96f5b44db31 upstream.

In order to extend the RETPOLINE features to 4, move them to word 11
where there is still room. This mostly keeps DISABLE_RETPOLINE
simple.

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Josh Poimboeuf <jpoimboe@kernel.org>
Signed-off-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@canonical.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/arch/x86/include/asm/cpufeatures.h b/arch/x86/include/asm/cpufeatures.h
index b258efa..57dc9f8 100644 (file)
--- a/arch/x86/include/asm/cpufeatures.h
+++ b/arch/x86/include/asm/cpufeatures.h
@@ -203,8 +203,8 @@
 #define X86_FEATURE_PROC_FEEDBACK      ( 7*32+ 9) /* AMD ProcFeedbackInterface */
 /* FREE!                                ( 7*32+10) */
 #define X86_FEATURE_PTI                        ( 7*32+11) /* Kernel Page Table Isolation enabled */
-#define X86_FEATURE_RETPOLINE          ( 7*32+12) /* "" Generic Retpoline mitigation for Spectre variant 2 */
-#define X86_FEATURE_RETPOLINE_LFENCE   ( 7*32+13) /* "" Use LFENCE for Spectre variant 2 */
+/* FREE!                               ( 7*32+12) */
+/* FREE!                               ( 7*32+13) */
 #define X86_FEATURE_INTEL_PPIN         ( 7*32+14) /* Intel Processor Inventory Number */
 #define X86_FEATURE_CDP_L2             ( 7*32+15) /* Code and Data Prioritization L2 */
 #define X86_FEATURE_MSR_SPEC_CTRL      ( 7*32+16) /* "" MSR SPEC_CTRL is implemented */
@@ -294,6 +294,10 @@
 #define X86_FEATURE_PER_THREAD_MBA     (11*32+ 7) /* "" Per-thread Memory Bandwidth Allocation */
 #define X86_FEATURE_SGX1               (11*32+ 8) /* "" Basic SGX */
 #define X86_FEATURE_SGX2               (11*32+ 9) /* "" SGX Enclave Dynamic Memory Management (EDMM) */
+/* FREE!                               (11*32+10) */
+/* FREE!                               (11*32+11) */
+#define X86_FEATURE_RETPOLINE          (11*32+12) /* "" Generic Retpoline mitigation for Spectre variant 2 */
+#define X86_FEATURE_RETPOLINE_LFENCE   (11*32+13) /* "" Use LFENCE for Spectre variant 2 */
 
 /* Intel-defined CPU features, CPUID level 0x00000007:1 (EAX), word 12 */
 #define X86_FEATURE_AVX_VNNI           (12*32+ 4) /* AVX VNNI instructions */