From: Jan Beulich <jbeulich@suse.com>
Date: Thu, 26 Aug 2021 10:20:26 +0000 (+0200)
Subject: gnttab: drop GNTMAP_can_fail
X-Git-Tag: xen-4.16.0-rc4^0
X-Git-Url: http://xenbits.xensource.com/gitweb?a=commitdiff_plain;h=9f09744aa3e5982a083ecf8e9cd2123f477081f9;p=mini-os.git

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@suse.com>
---

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).