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[PATCH v1 4/4] tools: Allow building xen-hptool without CONFIG_MIGRATE

To: "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>

From: Mykyta Poturai <Mykyta_Poturai@xxxxxxxx>

Date: Thu, 18 Sep 2025 12:16:35 +0000

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Cc: Mykyta Poturai <Mykyta_Poturai@xxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Anthony PERARD <anthony.perard@xxxxxxxxxx>, Michal Orzel <michal.orzel@xxxxxxx>, Jan Beulich <jbeulich@xxxxxxxx>, Julien Grall <julien@xxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Juergen Gross <jgross@xxxxxxxx>

Delivery-date: Thu, 18 Sep 2025 12:16:49 +0000

List-id: Xen developer discussion <xen-devel.lists.xenproject.org>

Thread-index: AQHcKJYT9WcJIkqhZk6dQ6fXEj6SxA==

Thread-topic: [PATCH v1 4/4] tools: Allow building xen-hptool without CONFIG_MIGRATE

With CPU hotplug sysctls implemented on Arm it becomes useful to have a tool for calling them. Introduce new CONFIG_HOTPLUG to allow building hptool separately from other migration tools and enable it for Arm. Signed-off-by: Mykyta Poturai <mykyta_poturai@xxxxxxxx> --- config/arm64.mk | 1 + config/x86_32.mk | 1 + config/x86_64.mk | 1 + tools/libs/guest/Makefile.common | 4 +++- tools/misc/Makefile | 2 +- 5 files changed, 7 insertions(+), 2 deletions(-) diff --git a/config/arm64.mk b/config/arm64.mk index c4662f67d0..d4995c8991 100644 --- a/config/arm64.mk +++ b/config/arm64.mk @@ -1,5 +1,6 @@ CONFIG_ARM := y CONFIG_ARM_64 := y +CONFIG_HOTPLUG := y CONFIG_XEN_INSTALL_SUFFIX := diff --git a/config/x86_32.mk b/config/x86_32.mk index 3cc046d9bc..0c88862ad3 100644 --- a/config/x86_32.mk +++ b/config/x86_32.mk @@ -3,6 +3,7 @@ CONFIG_X86_32 := y CONFIG_MIGRATE := y CONFIG_XCUTILS := y +CONFIG_HOTPLUG := y CFLAGS += -m32 -march=i686 diff --git a/config/x86_64.mk b/config/x86_64.mk index 8614457b03..25cf965507 100644 --- a/config/x86_64.mk +++ b/config/x86_64.mk @@ -3,6 +3,7 @@ CONFIG_X86_64 := y CONFIG_MIGRATE := y CONFIG_XCUTILS := y +CONFIG_HOTPLUG := y CONFIG_XEN_INSTALL_SUFFIX := .gz diff --git a/tools/libs/guest/Makefile.common b/tools/libs/guest/Makefile.common index a026a2f662..96a1141511 100644 --- a/tools/libs/guest/Makefile.common +++ b/tools/libs/guest/Makefile.common @@ -7,6 +7,9 @@ OBJS-y += xg_private.o OBJS-y += xg_domain.o OBJS-y += xg_suspend.o OBJS-y += xg_resume.o + +OBJS-$(CONFIG_HOTPLUG) += xg_offline_page.o + ifeq ($(CONFIG_MIGRATE),y) OBJS-y += xg_sr_common.o OBJS-$(CONFIG_X86) += xg_sr_common_x86.o @@ -17,7 +20,6 @@ OBJS-$(CONFIG_X86) += xg_sr_save_x86_pv.o OBJS-$(CONFIG_X86) += xg_sr_save_x86_hvm.o OBJS-y += xg_sr_restore.o OBJS-y += xg_sr_save.o -OBJS-y += xg_offline_page.o else OBJS-y += xg_nomigrate.o endif diff --git a/tools/misc/Makefile b/tools/misc/Makefile index c26e544e83..64b4d77051 100644 --- a/tools/misc/Makefile +++ b/tools/misc/Makefile @@ -16,7 +16,7 @@ INSTALL_BIN += xencov_split INSTALL_BIN += $(INSTALL_BIN-y) # Everything to be installed in regular sbin/ -INSTALL_SBIN-$(CONFIG_MIGRATE) += xen-hptool +INSTALL_SBIN-$(CONFIG_HOTPLUG) += xen-hptool INSTALL_SBIN-$(CONFIG_X86) += xen-hvmcrash INSTALL_SBIN-$(CONFIG_X86) += xen-hvmctx INSTALL_SBIN-$(CONFIG_X86) += xen-lowmemd -- 2.34.1

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