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[RFC PATCH 2/5] xen/grants: update initialization order of xen grant table
- To: Juergen Gross <jgross@xxxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Oleksandr Tyshchenko <oleksandr_tyshchenko@xxxxxxxx>, Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxxx>, <linux-kernel@xxxxxxxxxxxxxxx>, <dri-devel@xxxxxxxxxxxxxxxxxxxxx>, <amd-gfx@xxxxxxxxxxxxxxxxxxxxx>
- From: Huang Rui <ray.huang@xxxxxxx>
- Date: Sun, 12 Mar 2023 20:01:54 +0800
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- Cc: Alex Deucher <alexander.deucher@xxxxxxx>, Christian König <christian.koenig@xxxxxxx>, "Stewart Hildebrand" <Stewart.Hildebrand@xxxxxxx>, Xenia Ragiadakou <burzalodowa@xxxxxxxxx>, Honglei Huang <honglei1.huang@xxxxxxx>, Julia Zhang <julia.zhang@xxxxxxx>, Chen Jiqian <Jiqian.Chen@xxxxxxx>, Huang Rui <ray.huang@xxxxxxx>
- Delivery-date: Sun, 12 Mar 2023 12:02:37 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
The xen grant table will be initialied before parsing the PCI resources,
so xen_alloc_unpopulated_pages() ends up using a range from the PCI
window because Linux hasn't parsed the PCI information yet.
So modify the initialization order to make sure the real PCI resources
are parsed before.
Signed-off-by: Huang Rui <ray.huang@xxxxxxx>
---
arch/x86/xen/grant-table.c | 2 +-
drivers/xen/grant-table.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/x86/xen/grant-table.c b/arch/x86/xen/grant-table.c
index 1e681bf62561..64a04d1e70f5 100644
--- a/arch/x86/xen/grant-table.c
+++ b/arch/x86/xen/grant-table.c
@@ -165,5 +165,5 @@ static int __init xen_pvh_gnttab_setup(void)
}
/* Call it _before_ __gnttab_init as we need to initialize the
* xen_auto_xlat_grant_frames first. */
-core_initcall(xen_pvh_gnttab_setup);
+fs_initcall_sync(xen_pvh_gnttab_setup);
#endif
diff --git a/drivers/xen/grant-table.c b/drivers/xen/grant-table.c
index e1ec725c2819..6382112f3473 100644
--- a/drivers/xen/grant-table.c
+++ b/drivers/xen/grant-table.c
@@ -1680,4 +1680,4 @@ static int __gnttab_init(void)
}
/* Starts after core_initcall so that xen_pvh_gnttab_setup can be called
* beforehand to initialize xen_auto_xlat_grant_frames. */
-core_initcall_sync(__gnttab_init);
+rootfs_initcall(__gnttab_init);
--
2.25.1
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