linux-kernel - [tip: sched/core] arch, ia64: Make NUMA select SMP

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Message-ID: <156749948430.12871.13896634861148973044.tip-bot2@tip-bot2>
Date:   Tue, 03 Sep 2019 08:31:24 -0000
From:   "tip-bot2 for Matt Fleming" <tip-bot2@...utronix.de>
To:     linux-tip-commits@...r.kernel.org
Cc:     Matt Fleming <matt@...eblueprint.co.uk>,
        "Peter Zijlstra (Intel)" <peterz@...radead.org>,
        Borislav Petkov <bp@...en8.de>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Mel Gorman <mgorman@...hsingularity.net>,
        Rik van Riel <riel@...riel.com>,
        Suravee.Suthikulpanit@....com,
        Thomas Gleixner <tglx@...utronix.de>, Thomas.Lendacky@....com,
        Tony Luck <tony.luck@...el.com>,
        Ingo Molnar <mingo@...nel.org>, linux-kernel@...r.kernel.org
Subject: [tip: sched/core] arch, ia64: Make NUMA select SMP

The following commit has been merged into the sched/core branch of tip:

Commit-ID:     a2cbfd46559e809c8165773b7fe8afa058b35414
Gitweb:        https://git.kernel.org/tip/a2cbfd46559e809c8165773b7fe8afa058b35414
Author:        Matt Fleming <matt@...eblueprint.co.uk>
AuthorDate:    Thu, 08 Aug 2019 20:53:00 +01:00
Committer:     Ingo Molnar <mingo@...nel.org>
CommitterDate: Tue, 03 Sep 2019 09:17:36 +02:00

arch, ia64: Make NUMA select SMP

While it does make sense to allow CONFIG_NUMA and !CONFIG_SMP in
theory, it doesn't make much sense in practice.

Follow other architectures and make CONFIG_NUMA select CONFIG_SMP.

The motivation for this patch is to allow a new NUMA variable to be
initialised in kernel/sched/topology.c.

Signed-off-by: Matt Fleming <matt@...eblueprint.co.uk>
Signed-off-by: Peter Zijlstra (Intel) <peterz@...radead.org>
Cc: Borislav Petkov <bp@...en8.de>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Mel Gorman <mgorman@...hsingularity.net>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Rik van Riel <riel@...riel.com>
Cc: Suravee.Suthikulpanit@....com
Cc: Thomas Gleixner <tglx@...utronix.de>
Cc: Thomas.Lendacky@....com
Cc: Tony Luck <tony.luck@...el.com>
Link: https://lkml.kernel.org/r/20190808195301.13222-2-matt@codeblueprint.co.uk
Signed-off-by: Ingo Molnar <mingo@...nel.org>
---
 arch/ia64/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index 7468d8e..997baba 100644
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -389,6 +389,7 @@ config NUMA
 	depends on !IA64_HP_SIM && !FLATMEM
 	default y if IA64_SGI_SN2
 	select ACPI_NUMA if ACPI
+	select SMP
 	help
 	  Say Y to compile the kernel to support NUMA (Non-Uniform Memory
 	  Access).  This option is for configuring high-end multiprocessor