[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

[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
  • Arc-authentication-results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=suse.com; dmarc=pass action=none header.from=suse.com; dkim=pass header.d=suse.com; arc=none
  • Arc-message-signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=hQa/9SwHdYSmIaKcr2ur3F7Nh9AkGZdaHPjcAeya7kI=; b=TEAIEXK1EqZvTz5cBRyqBW8Bq0eQ29Ps47FDbwdsD1Qrv5Nl9uvTWCTFNTtOEZT+uw08Y6sV3I0l80C2RqwXCGNkFDZtFY1z8mlsbEUrijPsY3XntSHTkhu16o8jk/qoQd+AZKikbAxbnxxR1LOrHH+CZMt0lp+R4tyr0a6NIB+j5g3WwUmg1bwoQVCYv+YQICrDCx6KUut3uMSuvp7xMLu64zixTdg+wZTtY1Hkryqfh67SnDrEahkv4YPdsyj2Qod7GaBPqbPShjGb2ashK07GaDA22vKEUscoFtda+gBU4G8W3X7PJ+hNJfLdWlePMU57jNqIvhkMcvsQkEafQw==
  • Arc-seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=Oo2PBL+hRbSLfUD/N1JVULL5lDjX2XfNmdJPdrDw3aOXlbMe07YBj4bPYy8S9D6iafYfHUunHQl8CfwtpPMKSDLzs7RutRwGM2wqig0l/YauN4+UC6B19lw4/R3J5rFT9QIHxn6n9xARwh7qiugpgigG+52LzVA3j+tA2Uzg8rvvWYUqcJQb4Xjvg+kSGkOxwPQ+k0yQ2C3F5Lxi+z8dwd4gKSK2jHoSXddCpJOxU3ncOvy3qAgc0r1n35GIwpR8t/cNg1jGVrTv0ywD+nk4Uye22AIJuLn6lES+Ed/pBMaUG2yRkzPds+LoNJsMePVCkuiVXtIxEp0Z1fSkAlanzw==
  • Authentication-results: xen.org; dkim=none (message not signed) header.d=none;xen.org; dmarc=none action=none header.from=suse.com;
  • 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).




 


Rackspace

Lists.xenproject.org is hosted with RackSpace, monitoring our
servers 24x7x365 and backed by RackSpace's Fanatical Support®.