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[PATCH 4/9] gnttab: drop GNTMAP_can_fail
- To: "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Thu, 26 Aug 2021 12:13:00 +0200
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- Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, George Dunlap <george.dunlap@xxxxxxxxxx>, Ian Jackson <iwj@xxxxxxxxxxxxxx>, Julien Grall <julien@xxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Wei Liu <wl@xxxxxxx>
- Delivery-date: Thu, 26 Aug 2021 10:13:09 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
There's neither documentation of what this flag is supposed to mean, nor
any implementation. With this, don't even bother enclosing the #define-s
in a __XEN_INTERFACE_VERSION__ conditional, but drop them altogether.
Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
--- a/xen/include/public/grant_table.h
+++ b/xen/include/public/grant_table.h
@@ -628,9 +628,6 @@ DEFINE_XEN_GUEST_HANDLE(gnttab_cache_flu
#define _GNTMAP_contains_pte (4)
#define GNTMAP_contains_pte (1<<_GNTMAP_contains_pte)
-#define _GNTMAP_can_fail (5)
-#define GNTMAP_can_fail (1<<_GNTMAP_can_fail)
-
/*
* Bits to be placed in guest kernel available PTE bits (architecture
* dependent; only supported when XENFEAT_gnttab_map_avail_bits is set).
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