* [PATCH] powerpc: Define NR_CPUS all the time
@ 2021-05-07 9:24 ` Christophe Leroy
0 siblings, 0 replies; 3+ messages in thread
From: Christophe Leroy @ 2021-05-07 9:24 UTC (permalink / raw)
To: Benjamin Herrenschmidt, Paul Mackerras, Michael Ellerman
Cc: linux-kernel, linuxppc-dev
include/linux/threads.h defines a default value for CONFIG_NR_CPUS
but suggests the architectures should always define it.
So do it, when CONFIG_SMP is not selected set CONFIG_NR_CPUS to 1.
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
---
arch/powerpc/platforms/Kconfig.cputype | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/arch/powerpc/platforms/Kconfig.cputype b/arch/powerpc/platforms/Kconfig.cputype
index f998e655b570..885140055b7a 100644
--- a/arch/powerpc/platforms/Kconfig.cputype
+++ b/arch/powerpc/platforms/Kconfig.cputype
@@ -476,9 +476,9 @@ config SMP
If you don't know what to do here, say N.
config NR_CPUS
- int "Maximum number of CPUs (2-8192)"
- range 2 8192
- depends on SMP
+ int "Maximum number of CPUs (2-8192)" if SMP
+ range 2 8192 if SMP
+ default "1" if !SMP
default "32" if PPC64
default "4"
--
2.25.0
^ permalink raw reply related [flat|nested] 3+ messages in thread
* [PATCH] powerpc: Define NR_CPUS all the time
@ 2021-05-07 9:24 ` Christophe Leroy
0 siblings, 0 replies; 3+ messages in thread
From: Christophe Leroy @ 2021-05-07 9:24 UTC (permalink / raw)
To: Benjamin Herrenschmidt, Paul Mackerras, Michael Ellerman
Cc: linuxppc-dev, linux-kernel
include/linux/threads.h defines a default value for CONFIG_NR_CPUS
but suggests the architectures should always define it.
So do it, when CONFIG_SMP is not selected set CONFIG_NR_CPUS to 1.
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
---
arch/powerpc/platforms/Kconfig.cputype | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/arch/powerpc/platforms/Kconfig.cputype b/arch/powerpc/platforms/Kconfig.cputype
index f998e655b570..885140055b7a 100644
--- a/arch/powerpc/platforms/Kconfig.cputype
+++ b/arch/powerpc/platforms/Kconfig.cputype
@@ -476,9 +476,9 @@ config SMP
If you don't know what to do here, say N.
config NR_CPUS
- int "Maximum number of CPUs (2-8192)"
- range 2 8192
- depends on SMP
+ int "Maximum number of CPUs (2-8192)" if SMP
+ range 2 8192 if SMP
+ default "1" if !SMP
default "32" if PPC64
default "4"
--
2.25.0
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH] powerpc: Define NR_CPUS all the time
2021-05-07 9:24 ` Christophe Leroy
(?)
@ 2021-06-06 12:08 ` Michael Ellerman
-1 siblings, 0 replies; 3+ messages in thread
From: Michael Ellerman @ 2021-06-06 12:08 UTC (permalink / raw)
To: Benjamin Herrenschmidt, Michael Ellerman, Christophe Leroy,
Paul Mackerras
Cc: linuxppc-dev, linux-kernel
On Fri, 7 May 2021 09:24:43 +0000 (UTC), Christophe Leroy wrote:
> include/linux/threads.h defines a default value for CONFIG_NR_CPUS
> but suggests the architectures should always define it.
>
> So do it, when CONFIG_SMP is not selected set CONFIG_NR_CPUS to 1.
Applied to powerpc/next.
[1/1] powerpc: Define NR_CPUS all the time
https://git.kernel.org/powerpc/c/c176c3d58a3ed623e8917acaafe240245e700e33
cheers
^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2021-06-06 12:12 UTC | newest]
Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2021-05-07 9:24 [PATCH] powerpc: Define NR_CPUS all the time Christophe Leroy
2021-05-07 9:24 ` Christophe Leroy
2021-06-06 12:08 ` Michael Ellerman
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