Commit 4df7363e authored by Maran Wilson's avatar Maran Wilson Committed by Boris Ostrovsky
Browse files

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: default avatarMaran Wilson <maran.wilson@oracle.com>
Reviewed-by: default avatarJuergen Gross <jgross@suse.com>
Signed-off-by: default avatarBoris Ostrovsky <boris.ostrovsky@oracle.com>
parent fcd47476

arch/x86/platform/pvh/enlighten.c

+2 −3
Original line number Diff line number Diff line
@@ -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")));

arch/x86/xen/Makefile

+2 −0
Original line number Diff line number Diff line
@@ -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

arch/x86/xen/enlighten_pvh.c

0 → 100644
+10 −0
Original line number Diff line number Diff line 
// 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;

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