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Groups > linux.kernel > #1683471

[PATCH v5 1/5] x86: stub out pmc function

From Derek Basehore <dbasehore@chromium.org>
Newsgroups linux.kernel
Subject [PATCH v5 1/5] x86: stub out pmc function
Date 2017-07-08 02:10 +0200
Message-ID <u0LtT-35r-3@gated-at.bofh.it> (permalink)
Organization linux.* mail to news gateway

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This creates an inline function of intel_pmc_slp_s0_counter_read for
!CONFIG_INTEL_PMC_CORE.

Signed-off-by: Derek Basehore <dbasehore@chromium.org>
---
 arch/x86/include/asm/pmc_core.h | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/arch/x86/include/asm/pmc_core.h b/arch/x86/include/asm/pmc_core.h
index d4855f11136d..5d142d915f30 100644
--- a/arch/x86/include/asm/pmc_core.h
+++ b/arch/x86/include/asm/pmc_core.h
@@ -22,6 +22,10 @@
 #define _ASM_PMC_CORE_H
 
 /* API to read SLP_S0_RESIDENCY counter */
-int intel_pmc_slp_s0_counter_read(u32 *data);
+#ifdef CONFIG_INTEL_PMC_CORE
+extern int intel_pmc_slp_s0_counter_read(u32 *data);
+#else
+static inline int intel_pmc_slp_s0_counter_read(u32 *data) { return -EPERM; }
+#endif
 
 #endif /* _ASM_PMC_CORE_H */
-- 
2.13.2.725.g09c95d1e9-goog

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[PATCH v5 1/5] x86: stub out pmc function Derek Basehore <dbasehore@chromium.org> - 2017-07-08 02:10 +0200
  Re: [PATCH v5 1/5] x86: stub out pmc function Andy Shevchenko <andy.shevchenko@gmail.com> - 2017-07-08 18:10 +0200

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