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| author | Andi Kleen <ak@suse.de> | 2006-01-11 22:42:48 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-01-11 19:01:12 -0800 |
| commit | 152bf8c55d657898c40c8ed270630c0cf9d51f7d (patch) | |
| tree | 952dafe52a4dbe7f61cb01507fbeddc3d1925106 /arch/i386/kernel/cpu/cpufreq/speedstep-est-common.h | |
| parent | 39b3a7910556005a7a0d042ecb7ff98bfa84ea57 (diff) | |
| download | op-kernel-dev-152bf8c55d657898c40c8ed270630c0cf9d51f7d.zip op-kernel-dev-152bf8c55d657898c40c8ed270630c0cf9d51f7d.tar.gz | |
[PATCH] x86_64: Use X86_FEATURE_CONSTANT_TSC now to clean up Intel speedstep drivers
They previously tried to figure this out on their own.
Suggested by Venkatesh.
Cc: venkatesh.pallipadi@intel.com
Cc: davej@redhat.com
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'arch/i386/kernel/cpu/cpufreq/speedstep-est-common.h')
| -rw-r--r-- | arch/i386/kernel/cpu/cpufreq/speedstep-est-common.h | 25 |
1 files changed, 0 insertions, 25 deletions
diff --git a/arch/i386/kernel/cpu/cpufreq/speedstep-est-common.h b/arch/i386/kernel/cpu/cpufreq/speedstep-est-common.h deleted file mode 100644 index 5ce995c..0000000 --- a/arch/i386/kernel/cpu/cpufreq/speedstep-est-common.h +++ /dev/null @@ -1,25 +0,0 @@ -/* - * Routines common for drivers handling Enhanced Speedstep Technology - * Copyright (C) 2004 Venkatesh Pallipadi <venkatesh.pallipadi@intel.com> - * - * Licensed under the terms of the GNU GPL License version 2 -- see - * COPYING for details. - */ - -static inline int is_const_loops_cpu(unsigned int cpu) -{ - struct cpuinfo_x86 *c = cpu_data + cpu; - - if (c->x86_vendor != X86_VENDOR_INTEL || !cpu_has(c, X86_FEATURE_EST)) - return 0; - - /* - * on P-4s, the TSC runs with constant frequency independent of cpu freq - * when we use EST - */ - if (c->x86 == 0xf) - return 1; - - return 0; -} - |
