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Date:   Fri, 06 Mar 2020 14:42:10 -0000
From:   "tip-bot2 for Thara Gopinath" <tip-bot2@linutronix.de>
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To:     linux-tip-commits@vger.kernel.org
Subject: [tip: sched/core] sched/topology: Add callback to read per CPU
 thermal pressure
Cc:     Thara Gopinath <thara.gopinath@linaro.org>,
        "Peter Zijlstra (Intel)" <peterz@infradead.org>,
        Ingo Molnar <mingo@kernel.org>, x86 <x86@kernel.org>,
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The following commit has been merged into the sched/core branch of tip:

Commit-ID:     36a0df85d2e85e1929e8cd607e19243e5a2754e7
Gitweb:        https://git.kernel.org/tip/36a0df85d2e85e1929e8cd607e19243e5a2754e7
Author:        Thara Gopinath <thara.gopinath@linaro.org>
AuthorDate:    Fri, 21 Feb 2020 19:52:06 -05:00
Committer:     Ingo Molnar <mingo@kernel.org>
CommitterDate: Fri, 06 Mar 2020 12:57:17 +01:00

sched/topology: Add callback to read per CPU thermal pressure

Introduce the arch_scale_thermal_pressure() callback to retrieve per CPU thermal
pressure.

Signed-off-by: Thara Gopinath <thara.gopinath@linaro.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lkml.kernel.org/r/20200222005213.3873-3-thara.gopinath@linaro.org
---
 include/linux/sched/topology.h | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/include/linux/sched/topology.h b/include/linux/sched/topology.h
index f341163..af9319e 100644
--- a/include/linux/sched/topology.h
+++ b/include/linux/sched/topology.h
@@ -225,6 +225,14 @@ unsigned long arch_scale_cpu_capacity(int cpu)
 }
 #endif
 
+#ifndef arch_scale_thermal_pressure
+static __always_inline
+unsigned long arch_scale_thermal_pressure(int cpu)
+{
+	return 0;
+}
+#endif
+
 static inline int task_node(const struct task_struct *p)
 {
 	return cpu_to_node(task_cpu(p));