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| author |   Maran Wilson <maran.wilson@oracle.com> | 2018-12-10 11:08:44 -0800 |
|---|---|---|
| committer |   Boris Ostrovsky <boris.ostrovsky@oracle.com> | 2018-12-13 13:41:49 -0500 |
| commit | 4df7363e52105bf7a8589efb2959c907872644fb (patch) | |
| tree | 416b2481a29c4ef733800fef4ff19f5fcc69ae6c /arch | |
| parent | xen/pvh: Move PVH entry code out of Xen specific tree (diff) | |
| download | linux-dev-4df7363e52105bf7a8589efb2959c907872644fb.tar.xz linux-dev-4df7363e52105bf7a8589efb2959c907872644fb.zip | |
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')
| -rw-r--r-- | arch/x86/platform/pvh/enlighten.c | 5 | ||||
| -rw-r--r-- | arch/x86/xen/Makefile | 2 | ||||
| -rw-r--r-- | arch/x86/xen/enlighten_pvh.c | 10 |
3 files changed, 14 insertions, 3 deletions
diff --git a/arch/x86/platform/pvh/enlighten.c b/arch/x86/platform/pvh/enlighten.c index 02e3ab7ff242..491932991202 100644 --- a/arch/x86/platform/pvh/enlighten.c +++ b/arch/x86/platform/pvh/enlighten.c @@ -18,10 +18,9 @@ /* * 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 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; |