The following commit has been merged into the sched/core branch of tip: Commit-ID: fcd7c9c3c35aed58aba2eea6d375f0e5b03bd6d6 Gitweb: https://git.kernel.org/tip/fcd7c9c3c35aed58aba2eea6d375f0e5b03bd6d6 Author: Valentin Schneider <valentin.schneider@xxxxxxx> AuthorDate: Wed, 29 Jul 2020 14:57:18 +01:00 Committer: Peter Zijlstra <peterz@xxxxxxxxxxxxx> CommitterDate: Wed, 29 Jul 2020 16:14:16 +02:00 arm, arm64: Fix selection of CONFIG_SCHED_THERMAL_PRESSURE Qian reported that the current setup forgoes the Kconfig dependencies and results in warnings such as: WARNING: unmet direct dependencies detected for SCHED_THERMAL_PRESSURE Depends on [n]: SMP [=y] && CPU_FREQ_THERMAL [=n] Selected by [y]: - ARM64 [=y] Revert commit e17ae7fea871 ("arm, arm64: Select CONFIG_SCHED_THERMAL_PRESSURE") and re-implement it by making the option default to 'y' for arm64 and arm, which respects Kconfig dependencies (i.e. will remain 'n' if CPU_FREQ_THERMAL=n). Fixes: e17ae7fea871 ("arm, arm64: Select CONFIG_SCHED_THERMAL_PRESSURE") Reported-by: Qian Cai <cai@xxxxxx> Signed-off-by: Valentin Schneider <valentin.schneider@xxxxxxx> Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx> Link: https://lkml.kernel.org/r/20200729135718.1871-1-valentin.schneider@xxxxxxx --- arch/arm/Kconfig | 1 - arch/arm64/Kconfig | 1 - init/Kconfig | 2 ++ 3 files changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 939c4d6..2ac7490 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -46,7 +46,6 @@ config ARM select EDAC_ATOMIC_SCRUB select GENERIC_ALLOCATOR select GENERIC_ARCH_TOPOLOGY if ARM_CPU_TOPOLOGY - select SCHED_THERMAL_PRESSURE if ARM_CPU_TOPOLOGY select GENERIC_ATOMIC64 if CPU_V7M || CPU_V6 || !CPU_32v6K || !AEABI select GENERIC_CLOCKEVENTS_BROADCAST if SMP select GENERIC_CPU_AUTOPROBE diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index c403e6f..66dc41f 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -192,7 +192,6 @@ config ARM64 select PCI_SYSCALL if PCI select POWER_RESET select POWER_SUPPLY - select SCHED_THERMAL_PRESSURE select SPARSE_IRQ select SWIOTLB select SYSCTL_EXCEPTION_TRACE diff --git a/init/Kconfig b/init/Kconfig index 0a97d85..9f7f249 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -493,6 +493,8 @@ config HAVE_SCHED_AVG_IRQ config SCHED_THERMAL_PRESSURE bool + default y if ARM && ARM_CPU_TOPOLOGY + default y if ARM64 depends on SMP depends on CPU_FREQ_THERMAL help
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