We need to refactor PVH entry code so that support for other hypervisors like Qemu/KVM can be added more easily. The first step in that direction is to create a new file that will eventually hold the Xen specific routines. Signed-off-by: Maran Wilson <maran.wilson@xxxxxxxxxx> --- arch/x86/platform/pvh/enlighten.c | 5 ++--- arch/x86/xen/Makefile | 1 + arch/x86/xen/enlighten_pvh.c | 9 +++++++++ 3 files changed, 12 insertions(+), 3 deletions(-) create mode 100644 arch/x86/xen/enlighten_pvh.c diff --git a/arch/x86/platform/pvh/enlighten.c b/arch/x86/platform/pvh/enlighten.c index aa1c6a6831a9..74ff1c3d2789 100644 --- a/arch/x86/platform/pvh/enlighten.c +++ b/arch/x86/platform/pvh/enlighten.c @@ -17,10 +17,9 @@ /* * PVH variables. * - * xen_pvh pvh_bootparams and pvh_start_info need to live in data segment - * since they are used after startup_{32|64}, which clear .bss, are invoked. + * pvh_bootparams and pvh_start_info need to live in the data segment since + * they are used after startup_{32|64}, which clear .bss, are invoked. */ -bool xen_pvh __attribute__((section(".data"))) = 0; struct boot_params pvh_bootparams __attribute__((section(".data"))); struct hvm_start_info pvh_start_info __attribute__((section(".data"))); diff --git a/arch/x86/xen/Makefile b/arch/x86/xen/Makefile index f1b850607212..ae5c6f1f0fe0 100644 --- a/arch/x86/xen/Makefile +++ b/arch/x86/xen/Makefile @@ -20,6 +20,7 @@ obj-y := enlighten.o multicalls.o mmu.o irq.o \ obj-$(CONFIG_XEN_PVHVM) += enlighten_hvm.o mmu_hvm.o suspend_hvm.o obj-$(CONFIG_XEN_PV) += setup.o apic.o pmu.o suspend_pv.o \ p2m.o enlighten_pv.o mmu_pv.o +obj-$(CONFIG_XEN_PVH) += enlighten_pvh.o obj-$(CONFIG_EVENT_TRACING) += trace.o diff --git a/arch/x86/xen/enlighten_pvh.c b/arch/x86/xen/enlighten_pvh.c new file mode 100644 index 000000000000..313fe499065e --- /dev/null +++ b/arch/x86/xen/enlighten_pvh.c @@ -0,0 +1,9 @@ +#include <linux/types.h> + +/* + * PVH variables. + * + * The variable xen_pvh needs to live in the data segment since it is used + * after startup_{32|64} is invoked, which will clear the .bss segment. + */ +bool xen_pvh __attribute__((section(".data"))) = 0; -- 2.16.1