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| author | Maran Wilson <maran.wilson@oracle.com> | 2018-12-10 22:08:44 +0300 |
|---|---|---|
| committer | Boris Ostrovsky <boris.ostrovsky@oracle.com> | 2018-12-13 21:41:49 +0300 |
| commit | 4df7363e52105bf7a8589efb2959c907872644fb (patch) | |
| tree | 416b2481a29c4ef733800fef4ff19f5fcc69ae6c /arch/x86/xen | |
| parent | fcd4747698150bc3a9596481d3eb2b3ae71d82f1 (diff) | |
| download | linux-4df7363e52105bf7a8589efb2959c907872644fb.tar.xz | |
xen/pvh: Create a new file for Xen specific PVH code
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@oracle.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Diffstat (limited to 'arch/x86/xen')
| -rw-r--r-- | arch/x86/xen/Makefile | 2 | ||||
| -rw-r--r-- | arch/x86/xen/enlighten_pvh.c | 10 |
2 files changed, 12 insertions, 0 deletions
diff --git a/arch/x86/xen/Makefile b/arch/x86/xen/Makefile index b239922f6c6c..084de77a109e 100644 --- a/arch/x86/xen/Makefile +++ b/arch/x86/xen/Makefile @@ -36,6 +36,8 @@ obj-$(CONFIG_XEN_PV) += multicalls.o obj-$(CONFIG_XEN_PV) += xen-asm.o obj-$(CONFIG_XEN_PV) += xen-asm_$(BITS).o +obj-$(CONFIG_XEN_PVH) += enlighten_pvh.o + obj-$(CONFIG_EVENT_TRACING) += trace.o obj-$(CONFIG_SMP) += smp.o diff --git a/arch/x86/xen/enlighten_pvh.c b/arch/x86/xen/enlighten_pvh.c new file mode 100644 index 000000000000..6be7bc719b38 --- /dev/null +++ b/arch/x86/xen/enlighten_pvh.c @@ -0,0 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0 +#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; |