[PATCH 03/16] x86 msr-index: Simplify syntax for HWP fields
From: Len Brown <lenb@kernel.org>
Date: 2016-02-27 09:01:50
Subsystem:
the rest, x86 architecture (32-bit and 64-bit) · Maintainers:
Linus Torvalds, Thomas Gleixner, Ingo Molnar, Borislav Petkov, Dave Hansen
From: Len Brown <redacted> syntax only, no functional change Signed-off-by: Len Brown <redacted> --- arch/x86/include/asm/msr-index.h | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/arch/x86/include/asm/msr-index.h b/arch/x86/include/asm/msr-index.h
index 690b402..5c5e7e5 100644
--- a/arch/x86/include/asm/msr-index.h
+++ b/arch/x86/include/asm/msr-index.h@@ -230,10 +230,10 @@ #define HWP_PACKAGE_LEVEL_REQUEST_BIT (1<<11) /* IA32_HWP_CAPABILITIES */ -#define HWP_HIGHEST_PERF(x) (x & 0xff) -#define HWP_GUARANTEED_PERF(x) ((x & (0xff << 8)) >>8) -#define HWP_MOSTEFFICIENT_PERF(x) ((x & (0xff << 16)) >>16) -#define HWP_LOWEST_PERF(x) ((x & (0xff << 24)) >>24) +#define HWP_HIGHEST_PERF(x) (((x) >> 0) & 0xff) +#define HWP_GUARANTEED_PERF(x) (((x) >> 8) & 0xff) +#define HWP_MOSTEFFICIENT_PERF(x) (((x) >> 16) & 0xff) +#define HWP_LOWEST_PERF(x) (((x) >> 24) & 0xff) /* IA32_HWP_REQUEST */ #define HWP_MIN_PERF(x) (x & 0xff)
--
2.7.1.339.g0233b80