[mini-os master] gnttab: drop GNTMAP_can_fail

[patchbot@xxxxxxx]

commit 9f09744aa3e5982a083ecf8e9cd2123f477081f9
Author:     Jan Beulich <jbeulich@xxxxxxxx>
AuthorDate: Thu Aug 26 12:20:26 2021 +0200
Commit:     Wei Liu <wl@xxxxxxx>
CommitDate: Tue Aug 31 15:59:08 2021 +0000

    gnttab: drop GNTMAP_can_fail
    
    There's neither documentation of what this flag is supposed to mean, nor
    any implementation in the hypervisor.
    
    Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
---
 include/xen/grant_table.h | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/include/xen/grant_table.h b/include/xen/grant_table.h
index 018036e..2e9ebc6 100644
--- a/include/xen/grant_table.h
+++ b/include/xen/grant_table.h
@@ -627,9 +627,6 @@ DEFINE_XEN_GUEST_HANDLE(gnttab_cache_flush_t);
 #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).
--
generated by git-patchbot for /home/xen/git/mini-os.git#master