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cpumask: limit visibility of FORCE_NR_CPUS

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In current form, FORCE_NR_CPUS is visible to all users building their
kernels, even not experts.  It is also set in allmodconfig or
allyesconfig, which is not a correct behavior.

This patch fixes it.  It also changes the parameter short description:
removes implementation details and highlights the effect of the change.

Link: https://lkml.kernel.org/r/20221116172451.274938-1-yury.norov@gmail.com
Signed-off-by: Yury Norov <yury.norov@gmail.com>
Suggested-by: Geert Uytterhoeven <geert@linux-m68k.org>
Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
Reviewed-by: Valentin Schneider <vschneid@redhat.com>
Cc: Alexey Klimov <klimov.linux@gmail.com>
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Eric Biggers <ebiggers@google.com>
Cc: Paul E. McKenney <paulmck@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Cc: Sander Vanheule <sander@svanheule.net>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Yury Norov 2022-11-16 09:24:51 -08:00 committed by Andrew Morton
parent c5f31c655b
commit fe5759d5bf
1 changed files with 2 additions and 2 deletions
repo.diff.show_diff_stats Download patch file Download diff file Expand all files Collapse all files

4
lib/Kconfig
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@ -529,8 +529,8 @@ config CPUMASK_OFFSTACK
stack overflow. stack overflow.
config FORCE_NR_CPUS config FORCE_NR_CPUS
bool "NR_CPUS is set to an actual number of CPUs" bool "Set number of CPUs at compile time"
depends on SMP depends on SMP && EXPERT && !COMPILE_TEST
help help
Say Yes if you have NR_CPUS set to an actual number of possible Say Yes if you have NR_CPUS set to an actual number of possible
CPUs in your system, not to a default value. This forces the core CPUs in your system, not to a default value. This forces the core