From: Doug Goldstein <cardoe@cardoe.com>
To: xen-devel@lists.xen.org
Cc: Keir Fraser <keir@xen.org>,
Ian Campbell <ian.campbell@citrix.com>,
Andrew Cooper <andrew.cooper3@citrix.com>,
Doug Goldstein <cardoe@cardoe.com>,
Stefano Stabellini <stefano.stabellini@citrix.com>,
Jan Beulich <jbeulich@suse.com>
Subject: [PATCH 1/2] build: introduce CONFIG_NR_CPUS in Kconfig
Date: Fri, 8 Jan 2016 17:17:24 -0600 [thread overview]
Message-ID: <1452295045-30903-1-git-send-email-cardoe@cardoe.com> (raw)
Introduce an option where the user can modifiy the maximum number of
supported physical CPUs.
CC: Ian Campbell <ian.campbell@citrix.com>
CC: Stefano Stabellini <stefano.stabellini@citrix.com>
CC: Keir Fraser <keir@xen.org>
CC: Jan Beulich <jbeulich@suse.com>
CC: Andrew Cooper <andrew.cooper3@citrix.com>
Signed-off-by: Doug Goldstein <cardoe@cardoe.com>
---
This patch can probably be squashed together with the next one but I
broke it out with the hope that someone can check the wording on the
option and also double check the range.
---
xen/arch/Kconfig | 8 ++++++++
xen/arch/arm/Kconfig | 2 ++
xen/arch/x86/Kconfig | 2 ++
3 files changed, 12 insertions(+)
create mode 100644 xen/arch/Kconfig
diff --git a/xen/arch/Kconfig b/xen/arch/Kconfig
new file mode 100644
index 0000000..791d577
--- /dev/null
+++ b/xen/arch/Kconfig
@@ -0,0 +1,8 @@
+
+config NR_CPUS
+ int "Maximum number of CPUs"
+ range 1 4095
+ default "256" if X86
+ default "128" if ARM
+ ---help---
+ Specifies the maximum number of CPUs which Xen will support.
diff --git a/xen/arch/arm/Kconfig b/xen/arch/arm/Kconfig
index 2cab17b..60e923c 100644
--- a/xen/arch/arm/Kconfig
+++ b/xen/arch/arm/Kconfig
@@ -31,6 +31,8 @@ config ARCH_DEFCONFIG
menu "Architecture Features"
+source "arch/Kconfig"
+
# Select HAS_GICV3 if GICv3 is supported
config HAS_GICV3
bool
diff --git a/xen/arch/x86/Kconfig b/xen/arch/x86/Kconfig
index 7d2ed96..e1c03bb 100644
--- a/xen/arch/x86/Kconfig
+++ b/xen/arch/x86/Kconfig
@@ -25,6 +25,8 @@ config ARCH_DEFCONFIG
menu "Architecture Features"
+source "arch/Kconfig"
+
endmenu
source "common/Kconfig"
--
2.4.10
next reply other threads:[~2016-01-08 23:17 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-08 23:17 Doug Goldstein [this message]
2016-01-08 23:17 ` [PATCH 2/2] build: convert NR_CPUS to Kconfig Doug Goldstein
2016-01-09 14:36 ` Andrew Cooper
2016-01-11 14:24 ` Jan Beulich
2016-01-11 15:06 ` Doug Goldstein
2016-01-11 15:30 ` Jan Beulich
2016-01-11 15:49 ` Dario Faggioli
2016-01-09 13:43 ` [PATCH 1/2] build: introduce CONFIG_NR_CPUS in Kconfig Andrew Cooper
2016-01-11 14:15 ` Jan Beulich
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