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[PATCH v1 4/7] xen_pvdev: Do not assume Dom0 when creating a directrory
- To: "qemu-devel@xxxxxxxxxx" <qemu-devel@xxxxxxxxxx>
- From: Volodymyr Babchuk <Volodymyr_Babchuk@xxxxxxxx>
- Date: Fri, 10 Nov 2023 20:42:23 +0000
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- Cc: Oleksandr Tyshchenko <Oleksandr_Tyshchenko@xxxxxxxx>, Volodymyr Babchuk <Volodymyr_Babchuk@xxxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Anthony Perard <anthony.perard@xxxxxxxxxx>, Paul Durrant <paul@xxxxxxx>, "open list:X86 Xen CPUs" <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- Delivery-date: Fri, 10 Nov 2023 20:42:47 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
- Thread-index: AQHaFBZoMLHgqbm5ZUeTIEOOIKOHAA==
- Thread-topic: [PATCH v1 4/7] xen_pvdev: Do not assume Dom0 when creating a directrory
From: Oleksandr Tyshchenko <oleksandr_tyshchenko@xxxxxxxx>
Instead of forcing the owner to domid 0, use XS_PRESERVE_OWNER to save
the previous owner of the directory.
Note that for other than Dom0 domain (non toolstack domain) the
"driver_domain" property should be set in domain config file for the
toolstack to create required directories in advance.
Signed-off-by: Oleksandr Tyshchenko <oleksandr_tyshchenko@xxxxxxxx>
Signed-off-by: Volodymyr Babchuk <volodymyr_babchuk@xxxxxxxx>
---
hw/xen/xen_pvdev.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/hw/xen/xen_pvdev.c b/hw/xen/xen_pvdev.c
index c5ad71e8dc..42bdd4f6c8 100644
--- a/hw/xen/xen_pvdev.c
+++ b/hw/xen/xen_pvdev.c
@@ -60,7 +60,8 @@ void xen_config_cleanup(void)
int xenstore_mkdir(char *path, int p)
{
- if (!qemu_xen_xs_create(xenstore, 0, 0, xen_domid, p, path)) {
+ if (!qemu_xen_xs_create(xenstore, 0, XS_PRESERVE_OWNER,
+ xen_domid, p, path)) {
xen_pv_printf(NULL, 0, "xs_mkdir %s: failed\n", path);
return -1;
}
--
2.42.0
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