It is identical on all architecture, and this is a better overall than fixing
it up to have a proper boolean return value.
Signed-off-by: Andrew Cooper <andrew.coop...@citrix.com>
---
CC: Jan Beulich <jbeul...@suse.com>
CC: Stefano Stabellini <sstabell...@kernel.org>
CC: Julien Grall <julien.gr...@arm.com>
---
xen/common/grant_table.c | 3 ---
xen/include/asm-arm/grant_table.h | 4 ----
xen/include/asm-x86/grant_table.h | 5 -----
3 files changed, 12 deletions(-)
diff --git a/xen/common/grant_table.c b/xen/common/grant_table.c
index 1820191..93443be 100644
--- a/xen/common/grant_table.c
+++ b/xen/common/grant_table.c
@@ -3459,9 +3459,6 @@ do_grant_table_op(
if ( unlikely(!guest_handle_okay(unmap, count)) )
goto out;
- rc = -ENOSYS;
- if ( unlikely(!replace_grant_supported()) )
- goto out;
rc = gnttab_unmap_and_replace(unmap, count);
if ( rc > 0 )
{
diff --git a/xen/include/asm-arm/grant_table.h
b/xen/include/asm-arm/grant_table.h
index d2027d2..63a2fdd 100644
--- a/xen/include/asm-arm/grant_table.h
+++ b/xen/include/asm-arm/grant_table.h
@@ -23,10 +23,6 @@ int replace_grant_host_mapping(unsigned long gpaddr,
unsigned long mfn,
void gnttab_mark_dirty(struct domain *d, unsigned long l);
#define gnttab_create_status_page(d, t, i) do {} while (0)
#define gnttab_release_host_mappings(domain) 1
-static inline int replace_grant_supported(void)
-{
- return 1;
-}
/*
* The region used by Xen on the memory will never be mapped in DOM0
diff --git a/xen/include/asm-x86/grant_table.h
b/xen/include/asm-x86/grant_table.h
index 4ac0b9b..514eaf3 100644
--- a/xen/include/asm-x86/grant_table.h
+++ b/xen/include/asm-x86/grant_table.h
@@ -101,9 +101,4 @@ static inline void gnttab_clear_flag(unsigned int nr,
uint16_t *st)
#define gnttab_need_iommu_mapping(d) \
(!paging_mode_translate(d) && need_iommu(d))
-static inline int replace_grant_supported(void)
-{
- return 1;
-}
-
#endif /* __ASM_GRANT_TABLE_H__ */
--
2.1.4
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