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[PATCH v2 6/9] xen/pvh: Initialize grant table for PVH guests

From Boris Ostrovsky <boris.ostrovsky@oracle.com>
Newsgroups linux.kernel
Subject [PATCH v2 6/9] xen/pvh: Initialize grant table for PVH guests
Date 2017-01-26 21:50 +0100
Message-ID <t3Z9w-3wx-17@gated-at.bofh.it> (permalink)
References <t3Ydu-2X9-77@gated-at.bofh.it>
Organization linux.* mail to news gateway

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Like PV guests, PVH does not have PCI devices and therefore cannot
use MMIO space to store grants. Instead it balloons out memory and
keeps grants there.

Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
---
Changes in v2:
* Updated commit message

 drivers/xen/grant-table.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/xen/grant-table.c b/drivers/xen/grant-table.c
index bb36b1e..d6786b8 100644
--- a/drivers/xen/grant-table.c
+++ b/drivers/xen/grant-table.c
@@ -1146,13 +1146,13 @@ int gnttab_init(void)
 
 static int __gnttab_init(void)
 {
+	if (!xen_domain())
+		return -ENODEV;
+
 	/* Delay grant-table initialization in the PV on HVM case */
-	if (xen_hvm_domain())
+	if (xen_hvm_domain() && !xen_pvh_domain())
 		return 0;
 
-	if (!xen_pv_domain())
-		return -ENODEV;
-
 	return gnttab_init();
 }
 /* Starts after core_initcall so that xen_pvh_gnttab_setup can be called
-- 
1.8.3.1

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[PATCH v2 6/9] xen/pvh: Initialize grant table for PVH guests Boris Ostrovsky <boris.ostrovsky@oracle.com> - 2017-01-26 21:50 +0100
  Re: [PATCH v2 6/9] xen/pvh: Initialize grant table for PVH guests Juergen Gross <jgross@suse.com> - 2017-01-27 16:40 +0100

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