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Message-ID: <174336258318.14745.15934634106640104624.tip-bot2@tip-bot2>
Date: Sun, 30 Mar 2025 19:23:02 -0000
From: "tip-bot2 for Oleg Nesterov" <tip-bot2@...utronix.de>
To: linux-tip-commits@...r.kernel.org
Cc: kernel test robot <lkp@...el.com>, Oleg Nesterov <oleg@...hat.com>,
 Ingo Molnar <mingo@...nel.org>, x86@...nel.org, linux-kernel@...r.kernel.org
Subject: [tip: sched/urgent] sched/isolation: Make CONFIG_CPU_ISOLATION depend
 on CONFIG_SMP

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

Commit-ID:     9939188c730d68b8b6b5210b7770021656181730
Gitweb:        https://git.kernel.org/tip/9939188c730d68b8b6b5210b7770021656181730
Author:        Oleg Nesterov <oleg@...hat.com>
AuthorDate:    Sun, 30 Mar 2025 15:49:55 +02:00
Committer:     Ingo Molnar <mingo@...nel.org>
CommitterDate: Sun, 30 Mar 2025 21:08:05 +02:00

sched/isolation: Make CONFIG_CPU_ISOLATION depend on CONFIG_SMP

kernel/sched/isolation.c obviously makes no sense without CONFIG_SMP, but
the Kconfig entry we have right now:

	config CPU_ISOLATION
		bool "CPU isolation"
		depends on SMP || COMPILE_TEST

allows the creation of pointless .config's which cause
build failures.

Reported-by: kernel test robot <lkp@...el.com>
Signed-off-by: Oleg Nesterov <oleg@...hat.com>
Signed-off-by: Ingo Molnar <mingo@...nel.org>
Link: https://lore.kernel.org/r/20250330134955.GA7910@redhat.com

Closes: https://lore.kernel.org/oe-kbuild-all/202503260646.lrUqD3j5-lkp@intel.com/
---
 init/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/init/Kconfig b/init/Kconfig
index 681f38e..ab9b0c2 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -709,7 +709,7 @@ endmenu # "CPU/Task time and stats accounting"
 
 config CPU_ISOLATION
 	bool "CPU isolation"
-	depends on SMP || COMPILE_TEST
+	depends on SMP
 	default y
 	help
 	  Make sure that CPUs running critical tasks are not disturbed by

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