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Re: [Xen-devel] [PATCH v5 09/10] xen: add per-platform defaults for NR_CPUS
Hi Stefano,
On 04/06/18 18:24, Stefano Stabellini wrote:
Add specific per-platform defaults for NR_CPUS. Note that the order of
the defaults matter: they need to go first, otherwise the generic
defaults will be applied.
This is done so that Xen builds customized for a specific hardware
platform can have the right NR_CPUS number.
Signed-off-by: Stefano Stabellini <sstabellini@xxxxxxxxxx>
CC: JBeulich@xxxxxxxx
CC: andrew.cooper3@xxxxxxxxxx
---
xen/arch/Kconfig | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/xen/arch/Kconfig b/xen/arch/Kconfig
index cf0acb7..ed8f3d8 100644
--- a/xen/arch/Kconfig
+++ b/xen/arch/Kconfig
@@ -3,6 +3,10 @@ config NR_CPUS
int "Maximum number of physical CPUs"
range 1 4095
default "256" if X86
+ default "128" if ARM && ALL
I would drop this has this is cover by "if ARM" below.
+ default "8" if ARM && RCAR3
+ default "4" if ARM && QEMU
+ default "4" if ARM && MPSOC
default "128" if ARM
---help---
Specifies the maximum number of physical CPUs which Xen will support.
Cheers,
--
Julien Grall
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