From: Hongyan Xia <hx242@xen.org>
To: xen-devel@lists.xenproject.org
Cc: "Andrew Cooper" <andrew.cooper3@citrix.com>,
julien@xen.org, "Wei Liu" <wl@xen.org>,
"Jan Beulich" <jbeulich@suse.com>,
"Roger Pau Monné" <roger.pau@citrix.com>
Subject: [PATCH 6/6] x86/pv: map and unmap page table in dom0_construct_pv
Date: Fri, 17 Apr 2020 10:52:08 +0100 [thread overview]
Message-ID: <18fda6bdeb4f20bf2272503e45c7c420e51673ac.1587116799.git.hongyxia@amazon.com> (raw)
In-Reply-To: <cover.1587116799.git.hongyxia@amazon.com>
In-Reply-To: <cover.1587116799.git.hongyxia@amazon.com>
From: Wei Liu <wei.liu2@citrix.com>
Signed-off-by: Wei Liu <wei.liu2@citrix.com>
Signed-off-by: Hongyan Xia <hongyxia@amazon.com>
---
xen/arch/x86/pv/dom0_build.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/xen/arch/x86/pv/dom0_build.c b/xen/arch/x86/pv/dom0_build.c
index 28a939b68a..a03f0501ab 100644
--- a/xen/arch/x86/pv/dom0_build.c
+++ b/xen/arch/x86/pv/dom0_build.c
@@ -677,6 +677,8 @@ int __init dom0_construct_pv(struct domain *d,
if ( is_pv_32bit_domain(d) )
{
+ l2_pgentry_t *l2t;
+
/* Ensure the first four L3 entries are all populated. */
for ( i = 0, l3tab = l3start; i < 4; ++i, ++l3tab )
{
@@ -691,7 +693,9 @@ int __init dom0_construct_pv(struct domain *d,
l3e_get_page(*l3tab)->u.inuse.type_info |= PGT_pae_xen_l2;
}
- init_xen_pae_l2_slots(l3e_to_l2e(l3start[3]), d);
+ l2t = map_l2t_from_l3e(l3start[3]);
+ init_xen_pae_l2_slots(l2t, d);
+ unmap_domain_page(l2t);
}
/* Pages that are part of page tables must be read only. */
--
2.24.1.AMZN
next prev parent reply other threads:[~2020-04-17 9:52 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-17 9:52 [PATCH 0/6] convert more Xen page table code to the new API Hongyan Xia
2020-04-17 9:52 ` [PATCH 1/6] x86_64/mm: map and unmap page tables in cleanup_frame_table Hongyan Xia
2020-04-24 8:58 ` Julien Grall
2020-04-24 8:59 ` Julien Grall
2020-04-24 8:59 ` Julien Grall
2020-04-24 9:21 ` Hongyan Xia
2020-04-24 9:24 ` Julien Grall
2020-04-24 9:02 ` Julien Grall
2020-04-24 11:12 ` Jan Beulich
2020-04-28 15:11 ` Jan Beulich
2020-04-17 9:52 ` [PATCH 2/6] x86_64/mm: map and unmap page tables in subarch_init_memory Hongyan Xia
2020-04-24 9:04 ` Julien Grall
2020-04-28 15:12 ` Jan Beulich
2020-04-17 9:52 ` [PATCH 3/6] x86_64/mm: map and unmap page tables in subarch_memory_op Hongyan Xia
2020-04-24 9:06 ` Julien Grall
2020-04-28 15:23 ` Jan Beulich
2020-04-17 9:52 ` [PATCH 4/6] x86/smpboot: map and unmap page tables in cleanup_cpu_root_pgt Hongyan Xia
2020-04-24 9:13 ` Julien Grall
2020-04-28 15:26 ` Jan Beulich
2020-04-17 9:52 ` [PATCH 5/6] x86/pv: map and unmap page tables in mark_pv_pt_pages_rdonly Hongyan Xia
2020-04-24 9:16 ` Julien Grall
2020-04-28 15:33 ` Jan Beulich
2020-04-28 15:49 ` Wei Liu
2020-04-28 15:55 ` Hongyan Xia
2020-04-28 15:59 ` Hongyan Xia
2020-04-29 9:26 ` Hongyan Xia
2020-04-29 11:04 ` Jan Beulich
2020-04-29 12:29 ` Hongyan Xia
2020-04-29 13:31 ` Jan Beulich
2020-04-17 9:52 ` Hongyan Xia [this message]
2020-04-24 9:18 ` [PATCH 6/6] x86/pv: map and unmap page table in dom0_construct_pv Julien Grall
2020-04-28 15:34 ` Jan Beulich
2020-04-24 8:07 ` [PATCH 0/6] convert more Xen page table code to the new API Hongyan Xia
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