| Message ID | 20180702161910.2013-6-julien.grall@arm.com |
|---|---|
| State | Accepted |
| Commit | ff3c5b1e60b865ca403d7d74a6c3bead6a1fa6f2 |
| Headers | show |
| Series | xen/arm: Shrink down Xen on Arm | expand |
>>> On 02.07.18 at 18:19, <julien.grall@arm.com> wrote: > Now that ELF support has been dropped to boot Dom0, no-one is using > libelf within the hypervisor. > > Introduce a config option to select libelf on x86 and keep unselected > for Arm. > > Signed-off-by: Julien Grall <julien.grall@arm.com> Acked-by: Jan Beulich <jbeulich@suse.com>
On Mon, 2 Jul 2018, Julien Grall wrote: > Now that ELF support has been dropped to boot Dom0, no-one is using > libelf within the hypervisor. > > Introduce a config option to select libelf on x86 and keep unselected > for Arm. > > Signed-off-by: Julien Grall <julien.grall@arm.com> Reviewed-by: Stefano Stabellini <sstabellini@kernel.org> > --- > Changes in v2: > - Rename HAS_ELF to NEEDS_LIBELF > --- > xen/arch/x86/Kconfig | 1 + > xen/common/Kconfig | 3 +++ > xen/common/Makefile | 2 +- > 3 files changed, 5 insertions(+), 1 deletion(-) > > diff --git a/xen/arch/x86/Kconfig b/xen/arch/x86/Kconfig > index f64fc56739..c75f0526d8 100644 > --- a/xen/arch/x86/Kconfig > +++ b/xen/arch/x86/Kconfig > @@ -24,6 +24,7 @@ config X86 > select HAS_PDX > select HAS_UBSAN > select HAS_VPCI if !PV_SHIM_EXCLUSIVE > + select NEEDS_LIBELF > select NUMA > > config ARCH_DEFCONFIG > diff --git a/xen/common/Kconfig b/xen/common/Kconfig > index 9043dce937..d4c0951a24 100644 > --- a/xen/common/Kconfig > +++ b/xen/common/Kconfig > @@ -44,6 +44,9 @@ config HAS_GDBSX > config HAS_IOPORTS > bool > > +config NEEDS_LIBELF > + bool > + > config NEEDS_LIST_SORT > bool > > diff --git a/xen/common/Makefile b/xen/common/Makefile > index 24d4752ccc..b3e0b0ebf4 100644 > --- a/xen/common/Makefile > +++ b/xen/common/Makefile > @@ -78,5 +78,5 @@ obj-$(CONFIG_TMEM) += $(tmem-y) > subdir-$(CONFIG_COVERAGE) += coverage > subdir-$(CONFIG_UBSAN) += ubsan > > -subdir-y += libelf > +subdir-$(CONFIG_NEEDS_LIBELF) += libelf > subdir-$(CONFIG_HAS_DEVICE_TREE) += libfdt > -- > 2.11.0 >
diff --git a/xen/arch/x86/Kconfig b/xen/arch/x86/Kconfig index f64fc56739..c75f0526d8 100644 --- a/xen/arch/x86/Kconfig +++ b/xen/arch/x86/Kconfig @@ -24,6 +24,7 @@ config X86 select HAS_PDX select HAS_UBSAN select HAS_VPCI if !PV_SHIM_EXCLUSIVE + select NEEDS_LIBELF select NUMA config ARCH_DEFCONFIG diff --git a/xen/common/Kconfig b/xen/common/Kconfig index 9043dce937..d4c0951a24 100644 --- a/xen/common/Kconfig +++ b/xen/common/Kconfig @@ -44,6 +44,9 @@ config HAS_GDBSX config HAS_IOPORTS bool +config NEEDS_LIBELF + bool + config NEEDS_LIST_SORT bool diff --git a/xen/common/Makefile b/xen/common/Makefile index 24d4752ccc..b3e0b0ebf4 100644 --- a/xen/common/Makefile +++ b/xen/common/Makefile @@ -78,5 +78,5 @@ obj-$(CONFIG_TMEM) += $(tmem-y) subdir-$(CONFIG_COVERAGE) += coverage subdir-$(CONFIG_UBSAN) += ubsan -subdir-y += libelf +subdir-$(CONFIG_NEEDS_LIBELF) += libelf subdir-$(CONFIG_HAS_DEVICE_TREE) += libfdt
Now that ELF support has been dropped to boot Dom0, no-one is using libelf within the hypervisor. Introduce a config option to select libelf on x86 and keep unselected for Arm. Signed-off-by: Julien Grall <julien.grall@arm.com> --- Changes in v2: - Rename HAS_ELF to NEEDS_LIBELF --- xen/arch/x86/Kconfig | 1 + xen/common/Kconfig | 3 +++ xen/common/Makefile | 2 +- 3 files changed, 5 insertions(+), 1 deletion(-)