[v4,23/44] x86/boot: remove module_map usage from xsm policy loading

Commit Message

Daniel P. Smith Aug. 30, 2024, 9:47 p.m. UTC

Signed-off-by: Daniel P. Smith <[e-mail]>
---
 xen/arch/x86/setup.c  | 2 +-
 xen/include/xsm/xsm.h | 9 +++------
 xen/xsm/xsm_core.c    | 6 ++----
 xen/xsm/xsm_policy.c  | 5 +----
 4 files changed, 7 insertions(+), 15 deletions(-)

Patch

diff --git a/xen/arch/x86/setup.c b/xen/arch/x86/setup.c
index 541a956923d3..90c2ddb3728a 100644
--- a/xen/arch/x86/setup.c
+++ b/xen/arch/x86/setup.c
@@ -1878,7 +1878,7 @@  void asmlinkage __init noreturn __start_xen(unsigned long mbi_p)
     mmio_ro_ranges = rangeset_new(NULL, "r/o mmio ranges",
                                   RANGESETF_prettyprint_hex);
 
-    xsm_multiboot_init(module_map, boot_info);
+    xsm_multiboot_init(boot_info);
 
     /*
      * IOMMU-related ACPI table parsing may require some of the system domains
diff --git a/xen/include/xsm/xsm.h b/xen/include/xsm/xsm.h
index 9e511ef8878c..3f05d09880d8 100644
--- a/xen/include/xsm/xsm.h
+++ b/xen/include/xsm/xsm.h
@@ -781,11 +781,9 @@  static inline int xsm_argo_send(const struct domain *d, const struct domain *t)
 #endif /* XSM_NO_WRAPPERS */
 
 #ifdef CONFIG_MULTIBOOT
-int xsm_multiboot_init(
-    unsigned long *module_map, const struct boot_info *bi);
+int xsm_multiboot_init(const struct boot_info *bi);
 int xsm_multiboot_policy_init(
-    unsigned long *module_map, const struct boot_info *bi,
-    void **policy_buffer, size_t *policy_size);
+    const struct boot_info *bi, void **policy_buffer, size_t *policy_size);
 #endif
 
 #ifdef CONFIG_HAS_DEVICE_TREE
@@ -831,8 +829,7 @@  static const inline struct xsm_ops *silo_init(void)
 #include <xsm/dummy.h>
 
 #ifdef CONFIG_MULTIBOOT
-static inline int xsm_multiboot_init (
-    unsigned long *module_map, const struct boot_info *bi)
+static inline int xsm_multiboot_init(const struct boot_info *bi)
 {
     return 0;
 }
diff --git a/xen/xsm/xsm_core.c b/xen/xsm/xsm_core.c
index 9f87ec4f6754..f816c94fb5aa 100644
--- a/xen/xsm/xsm_core.c
+++ b/xen/xsm/xsm_core.c
@@ -140,8 +140,7 @@  static int __init xsm_core_init(const void *policy_buffer, size_t policy_size)
 }
 
 #ifdef CONFIG_MULTIBOOT
-int __init xsm_multiboot_init(
-    unsigned long *module_map, const struct boot_info *bi)
+int __init xsm_multiboot_init(const struct boot_info *bi)
 {
     int ret = 0;
     void *policy_buffer = NULL;
@@ -151,8 +150,7 @@  int __init xsm_multiboot_init(
 
     if ( XSM_MAGIC )
     {
-        ret = xsm_multiboot_policy_init(module_map, bi, &policy_buffer,
-                                        &policy_size);
+        ret = xsm_multiboot_policy_init(bi, &policy_buffer, &policy_size);
         if ( ret )
         {
             bootstrap_map(NULL);
diff --git a/xen/xsm/xsm_policy.c b/xen/xsm/xsm_policy.c
index e4c94afd108d..ac09dd808b27 100644
--- a/xen/xsm/xsm_policy.c
+++ b/xen/xsm/xsm_policy.c
@@ -32,8 +32,7 @@ 
 
 #ifdef CONFIG_MULTIBOOT
 int __init xsm_multiboot_policy_init(
-    unsigned long *module_map, const struct boot_info *bi,
-    void **policy_buffer, size_t *policy_size)
+    const struct boot_info *bi, void **policy_buffer, size_t *policy_size)
 {
     int i;
     int rc = 0;
@@ -42,7 +41,6 @@  int __init xsm_multiboot_policy_init(
 
     /*
      * Try all modules and see whichever could be the binary policy.
-     * Adjust module_map for the module that is the binary policy.
      */
     for ( i = bi->nr_mods-1; i >= 1; i-- )
     {
@@ -60,7 +58,6 @@  int __init xsm_multiboot_policy_init(
             printk("Policy len %#lx, start at %p.\n",
                    _policy_len,_policy_start);
 
-            __clear_bit(i, module_map);
             bi->mods[i].type = BOOTMOD_XSM_POLICY;
             break;