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[PATCH v3 13/14] xen: ifdef inclusion of <asm/grant_table.h> in <xen/grant_table.h>



Ifdef-ing inclusion of <asm/grant_table.h> allows to avoid
generation of empty <asm/grant_table.h> for cases when
CONFIG_GRANT_TABLE is not enabled.

The following changes were done for Arm:
<asm/grant_table.h> should be included directly because it contains
gnttab_dom0_frames() macros which is unique for Arm and is used in
arch/arm/domain_build.c.
<asm/grant_table.h> is #ifdef-ed with CONFIG_GRANT_TABLE in
<xen/grant_table.h> so in case of !CONFIG_GRANT_TABLE gnttab_dom0_frames
won't be available for use in arch/arm/domain_build.c.

Suggested-by: Jan Beulich <jbeulich@xxxxxxxx>
Signed-off-by: Oleksii Kurochko <oleksii.kurochko@xxxxxxxxx>
---
Changes in V3:
 - Remove unnecessary comment.
---
 xen/arch/arm/domain_build.c            | 1 +
 xen/arch/ppc/include/asm/grant_table.h | 5 -----
 xen/include/xen/grant_table.h          | 3 +++
 3 files changed, 4 insertions(+), 5 deletions(-)
 delete mode 100644 xen/arch/ppc/include/asm/grant_table.h

diff --git a/xen/arch/arm/domain_build.c b/xen/arch/arm/domain_build.c
index 2dd2926b41..6e8cc6bbb5 100644
--- a/xen/arch/arm/domain_build.c
+++ b/xen/arch/arm/domain_build.c
@@ -34,6 +34,7 @@
 
 #include <xen/irq.h>
 #include <xen/grant_table.h>
+#include <asm/grant_table.h>
 #include <xen/serial.h>
 
 #define STATIC_EVTCHN_NODE_SIZE_CELLS 2
diff --git a/xen/arch/ppc/include/asm/grant_table.h 
b/xen/arch/ppc/include/asm/grant_table.h
deleted file mode 100644
index d0ff58dd3d..0000000000
--- a/xen/arch/ppc/include/asm/grant_table.h
+++ /dev/null
@@ -1,5 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-only */
-#ifndef __ASM_PPC_GRANT_TABLE_H__
-#define __ASM_PPC_GRANT_TABLE_H__
-
-#endif /* __ASM_PPC_GRANT_TABLE_H__ */
diff --git a/xen/include/xen/grant_table.h b/xen/include/xen/grant_table.h
index 85fe6b7b5e..50edfecfb6 100644
--- a/xen/include/xen/grant_table.h
+++ b/xen/include/xen/grant_table.h
@@ -26,7 +26,10 @@
 #include <xen/mm-frame.h>
 #include <xen/rwlock.h>
 #include <public/grant_table.h>
+
+#ifdef CONFIG_GRANT_TABLE
 #include <asm/grant_table.h>
+#endif
 
 struct grant_table;
 
-- 
2.41.0




 


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