mirror of
https://github.com/xen-project/xen.git
synced 2026-10-28 02:01:24 +01:00
[LINUX] Don't pin the initial page tables on x86_64 when XENFEAT_writable_page_tables.
Signed-off-by: Ian Campbell <ian.campbell@xensource.com>
This commit is contained in:
Ian Campbell committed
1 parent
41aa97afd7
commit
6b0c303dfe
1 file changed
+4
-2
@@ -597,8 +597,10 @@ void __init xen_init_pt(void)
|
||||
early_make_page_readonly(level2_kernel_pgt,
|
||||
XENFEAT_writable_page_tables);
|
||||
|
||||
xen_pgd_pin(__pa_symbol(init_level4_pgt));
|
||||
xen_pgd_pin(__pa_symbol(init_level4_user_pgt));
|
||||
if (!xen_feature(XENFEAT_writable_page_tables)) {
|
||||
xen_pgd_pin(__pa_symbol(init_level4_pgt));
|
||||
xen_pgd_pin(__pa_symbol(init_level4_user_pgt));
|
||||
}
|
||||
|
||||
set_pgd((pgd_t *)(init_level4_user_pgt + 511),
|
||||
mk_kernel_pgd(__pa_symbol(level3_user_pgt)));
|
||||
|
||||