Commit-ID: 0a21fc1214a25427e13538665ff2afbe707a0b9f Gitweb: http://git.kernel.org/tip/0a21fc1214a25427e13538665ff2afbe707a0b9f Author: Ingo Molnar <mingo@xxxxxxxxxx> AuthorDate: Wed, 30 Nov 2016 08:33:54 +0100 Committer: Ingo Molnar <mingo@xxxxxxxxxx> CommitDate: Wed, 30 Nov 2016 08:36:10 +0100 sched/x86: Make CONFIG_SCHED_MC_PRIO=y easier to enable Right now CONFIG_SCHED_MC_PRIO has X86_INTEL_PSTATE as a dependency, which is not enabled by default and which hides the CONFIG_SCHED_MC_PRIO hardware-enabling feature. Select X86_INTEL_PSTATE instead, plus its dependency (CPU_FREQ), if the user enables CONFIG_SCHED_MC_PRIO=y. (Also align the CONFIG_SCHED_MC_PRIO Kconfig help text in standard style.) Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx> Cc: Srinivas Pandruvada <srinivas.pandruvada@xxxxxxxxxxxxxxx> Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx> Cc: Tim Chen <tim.c.chen@xxxxxxxxxxxxxxx> Cc: bp@xxxxxxx Cc: jolsa@xxxxxxxxxx Cc: linux-acpi@xxxxxxxxxxxxxxx Cc: linux-pm@xxxxxxxxxxxxxxx Cc: rjw@xxxxxxxxxxxxx Cc: linux-kernel@xxxxxxxxxxxxxxx Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx> --- arch/x86/Kconfig | 24 +++++++++++++----------- 1 file changed, 13 insertions(+), 11 deletions(-) diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 715c1f3..b50e5ee 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -941,22 +941,24 @@ config SCHED_MC config SCHED_MC_PRIO bool "CPU core priorities scheduler support" - depends on SCHED_MC && CPU_SUP_INTEL && X86_INTEL_PSTATE + depends on SCHED_MC && CPU_SUP_INTEL + select X86_INTEL_PSTATE + select CPU_FREQ default y ---help--- - Intel Turbo Boost Max Technology 3.0 enabled CPUs have a - core ordering determined at manufacturing time, which allows - certain cores to reach higher turbo frequencies (when running - single threaded workloads) than others. + Intel Turbo Boost Max Technology 3.0 enabled CPUs have a + core ordering determined at manufacturing time, which allows + certain cores to reach higher turbo frequencies (when running + single threaded workloads) than others. - Enabling this kernel feature teaches the scheduler about - the TBM3 (aka ITMT) priority order of the CPU cores and adjusts the - scheduler's CPU selection logic accordingly, so that higher - overall system performance can be achieved. + Enabling this kernel feature teaches the scheduler about + the TBM3 (aka ITMT) priority order of the CPU cores and adjusts the + scheduler's CPU selection logic accordingly, so that higher + overall system performance can be achieved. - This feature will have no effect on CPUs without this feature. + This feature will have no effect on CPUs without this feature. - If unsure say Y here. + If unsure say Y here. source "kernel/Kconfig.preempt" -- To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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