From: Julien Grall <julien.grall@arm.com>
To: xen-devel@lists.xen.org
Cc: George Dunlap <george.dunlap@eu.citrix.com>,
Andrew Cooper <andrew.cooper3@citrix.com>,
Julien Grall <julien.grall@arm.com>,
Jan Beulich <jbeulich@suse.com>
Subject: [PATCH 11/15] xen/x86: p2m-pod: Clean-up p2m_pod_zero_check
Date: Wed, 13 Sep 2017 18:59:49 +0100 [thread overview]
Message-ID: <20170913175953.16942-12-julien.grall@arm.com> (raw)
In-Reply-To: <20170913175953.16942-1-julien.grall@arm.com>
Signed-off-by: Julien Grall <julien.grall@arm.com>
---
Cc: George Dunlap <george.dunlap@eu.citrix.com>
Cc: Jan Beulich <jbeulich@suse.com>
Cc: Andrew Cooper <andrew.cooper3@citrix.com>
---
xen/arch/x86/mm/p2m-pod.c | 10 ++++++----
1 file changed, 6 insertions(+), 4 deletions(-)
diff --git a/xen/arch/x86/mm/p2m-pod.c b/xen/arch/x86/mm/p2m-pod.c
index 176d06cb42..611a087855 100644
--- a/xen/arch/x86/mm/p2m-pod.c
+++ b/xen/arch/x86/mm/p2m-pod.c
@@ -861,17 +861,19 @@ p2m_pod_zero_check(struct p2m_domain *p2m, unsigned long *gfns, int count)
for ( i = 0; i < count; i++ )
{
p2m_access_t a;
+ struct page_info *pg;
mfns[i] = p2m->get_entry(p2m, _gfn(gfns[i]), types + i, &a,
0, NULL, NULL);
+ pg = mfn_to_page(mfns[i]);
+
/*
* If this is ram, and not a pagetable or from the xen heap, and
* probably not mapped elsewhere, map it; otherwise, skip.
*/
- if ( p2m_is_ram(types[i])
- && ( (mfn_to_page(mfns[i])->count_info & PGC_allocated) != 0 )
- && ( (mfn_to_page(mfns[i])->count_info & (PGC_page_table|PGC_xen_heap)) == 0 )
- && ( (mfn_to_page(mfns[i])->count_info & PGC_count_mask) <= max_ref ) )
+ if ( p2m_is_ram(types[i]) && (pg->count_info & PGC_allocated) &&
+ ((pg->count_info & (PGC_page_table | PGC_xen_heap)) == 0) &&
+ ((pg->count_info & (PGC_count_mask)) <= max_ref) )
map[i] = map_domain_page(mfns[i]);
else
map[i] = NULL;
--
2.11.0
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next prev parent reply other threads:[~2017-09-13 17:59 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-09-13 17:59 [PATCH 00/15] xen/x86: Clean-up the PoD code Julien Grall
2017-09-13 17:59 ` [PATCH 01/15] xen/x86: p2m-pod: Clean-up includes Julien Grall
2017-09-13 17:59 ` [PATCH 02/15] xen/x86: p2m-pod: Remove trailing whitespaces Julien Grall
2017-09-13 17:59 ` [PATCH 03/15] xen/x86: p2m-pod: Fix coding style for comments Julien Grall
2017-09-13 17:59 ` [PATCH 04/15] xen/x86: p2m-pod: Fix coding style Julien Grall
2017-09-13 17:59 ` [PATCH 05/15] xen/x86: p2m-pod: Avoid redundant assignments in p2m_pod_demand_populate Julien Grall
2017-09-13 17:59 ` [PATCH 06/15] xen/x86: p2m-pod: Clean-up use of typesafe MFN Julien Grall
2017-09-13 17:59 ` [PATCH 07/15] xen/x86: p2m-pod: Use typesafe gfn in p2m_pod_decrease_reservation Julien Grall
2017-09-13 17:59 ` [PATCH 08/15] xen/x86: p2m: Use typesafe gfn for the P2M callbacks get_entry and set_entry Julien Grall
2017-09-13 18:22 ` Andrew Cooper
2017-09-13 18:27 ` Julien Grall
2017-09-13 19:10 ` Razvan Cojocaru
2017-09-13 19:08 ` Razvan Cojocaru
2017-09-13 19:32 ` Julien Grall
2017-09-20 6:57 ` Tian, Kevin
2017-09-13 17:59 ` [PATCH 09/15] xen/x86: p2m: Use typesafe GFN in p2m_set_entry Julien Grall
2017-09-13 20:16 ` Tamas K Lengyel
2017-09-13 17:59 ` [PATCH 10/15] xen/x86: p2m-pod: Use typesafe GFN in pod_eager_record Julien Grall
2017-09-13 17:59 ` Julien Grall [this message]
2017-09-13 17:59 ` [PATCH 12/15] xen/x86: p2m-pod: Use typesafe gfn in p2m_pod_zero_check Julien Grall
2017-09-13 17:59 ` [PATCH 13/15] xen/x86: p2m-pod: Use typesafe gfn in p2m_pod_demand_populate Julien Grall
2017-09-13 17:59 ` [PATCH 14/15] xen/x86: p2m-pod: Use typesafe gfn for the fields reclaim_single and max_guest Julien Grall
2017-09-13 17:59 ` [PATCH 15/15] xen/x86: p2m-pod: Rework prototype of p2m_pod_demand_populate Julien Grall
2017-09-13 18:30 ` [PATCH 00/15] xen/x86: Clean-up the PoD code Andrew Cooper
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