summaryrefslogtreecommitdiff
authorThomas Gleixner <tglx@linutronix.de>2019-02-21 11:36:50 (GMT)
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org>2019-05-14 17:19:39 (GMT)
commitb76f8af91206a12a68773d3c86f3f343d611deb0 (patch)
tree563c99fde59435be4300eaa5a128322cdb8f4d68
parent6198041f012eda83d6cfb28912db6061ee2702b4 (diff)
downloadcommon-b76f8af91206a12a68773d3c86f3f343d611deb0.zip
common-b76f8af91206a12a68773d3c86f3f343d611deb0.tar.gz
common-b76f8af91206a12a68773d3c86f3f343d611deb0.tar.bz2
x86/msr-index: Cleanup bit defines
commit d8eabc37310a92df40d07c5a8afc53cebf996716 upstream. Greg pointed out that speculation related bit defines are using (1 << N) format instead of BIT(N). Aside of that (1 << N) is wrong as it should use 1UL at least. Clean it up. [ Josh Poimboeuf: Fix tools build ] Reported-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Reviewed-by: Borislav Petkov <bp@suse.de> Reviewed-by: Frederic Weisbecker <frederic@kernel.org> Reviewed-by: Jon Masters <jcm@redhat.com> Tested-by: Jon Masters <jcm@redhat.com> [bwh: Backported to 4.9: Drop change to x86_energy_perf_policy, which doesn't use msr-index.h here] Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat
-rw-r--r--arch/x86/include/asm/msr-index.h34
-rw-r--r--tools/power/x86/turbostat/Makefile2
2 files changed, 19 insertions, 17 deletions
diff --git a/arch/x86/include/asm/msr-index.h b/arch/x86/include/asm/msr-index.h
index d7813b1..dc582c1 100644
--- a/arch/x86/include/asm/msr-index.h
+++ b/arch/x86/include/asm/msr-index.h
@@ -1,6 +1,8 @@
#ifndef _ASM_X86_MSR_INDEX_H
#define _ASM_X86_MSR_INDEX_H
+#include <linux/bits.h>
+
/*
* CPU model specific register (MSR) numbers.
*
@@ -38,14 +40,14 @@
/* Intel MSRs. Some also available on other CPUs */
#define MSR_IA32_SPEC_CTRL 0x00000048 /* Speculation Control */
-#define SPEC_CTRL_IBRS (1 << 0) /* Indirect Branch Restricted Speculation */
+#define SPEC_CTRL_IBRS BIT(0) /* Indirect Branch Restricted Speculation */
#define SPEC_CTRL_STIBP_SHIFT 1 /* Single Thread Indirect Branch Predictor (STIBP) bit */
-#define SPEC_CTRL_STIBP (1 << SPEC_CTRL_STIBP_SHIFT) /* STIBP mask */
+#define SPEC_CTRL_STIBP BIT(SPEC_CTRL_STIBP_SHIFT) /* STIBP mask */
#define SPEC_CTRL_SSBD_SHIFT 2 /* Speculative Store Bypass Disable bit */
-#define SPEC_CTRL_SSBD (1 << SPEC_CTRL_SSBD_SHIFT) /* Speculative Store Bypass Disable */
+#define SPEC_CTRL_SSBD BIT(SPEC_CTRL_SSBD_SHIFT) /* Speculative Store Bypass Disable */
#define MSR_IA32_PRED_CMD 0x00000049 /* Prediction Command */
-#define PRED_CMD_IBPB (1 << 0) /* Indirect Branch Prediction Barrier */
+#define PRED_CMD_IBPB BIT(0) /* Indirect Branch Prediction Barrier */
#define MSR_IA32_PERFCTR0 0x000000c1
#define MSR_IA32_PERFCTR1 0x000000c2
@@ -62,20 +64,20 @@
#define MSR_MTRRcap 0x000000fe
#define MSR_IA32_ARCH_CAPABILITIES 0x0000010a
-#define ARCH_CAP_RDCL_NO (1 << 0) /* Not susceptible to Meltdown */
-#define ARCH_CAP_IBRS_ALL (1 << 1) /* Enhanced IBRS support */
-#define ARCH_CAP_SKIP_VMENTRY_L1DFLUSH (1 << 3) /* Skip L1D flush on vmentry */
-#define ARCH_CAP_SSB_NO (1 << 4) /*
- * Not susceptible to Speculative Store Bypass
- * attack, so no Speculative Store Bypass
- * control required.
- */
+#define ARCH_CAP_RDCL_NO BIT(0) /* Not susceptible to Meltdown */
+#define ARCH_CAP_IBRS_ALL BIT(1) /* Enhanced IBRS support */
+#define ARCH_CAP_SKIP_VMENTRY_L1DFLUSH BIT(3) /* Skip L1D flush on vmentry */
+#define ARCH_CAP_SSB_NO BIT(4) /*
+ * Not susceptible to Speculative Store Bypass
+ * attack, so no Speculative Store Bypass
+ * control required.
+ */
#define MSR_IA32_FLUSH_CMD 0x0000010b
-#define L1D_FLUSH (1 << 0) /*
- * Writeback and invalidate the
- * L1 data cache.
- */
+#define L1D_FLUSH BIT(0) /*
+ * Writeback and invalidate the
+ * L1 data cache.
+ */
#define MSR_IA32_BBL_CR_CTL 0x00000119
#define MSR_IA32_BBL_CR_CTL3 0x0000011e
diff --git a/tools/power/x86/turbostat/Makefile b/tools/power/x86/turbostat/Makefile
index 8561e7d..92be948 100644
--- a/tools/power/x86/turbostat/Makefile
+++ b/tools/power/x86/turbostat/Makefile
@@ -8,7 +8,7 @@ ifeq ("$(origin O)", "command line")
endif
turbostat : turbostat.c
-CFLAGS += -Wall
+CFLAGS += -Wall -I../../../include
CFLAGS += -DMSRHEADER='"../../../../arch/x86/include/asm/msr-index.h"'
%: %.c