[xen staging] x86: address Misra C:2012 rule 8.4

[patchbot@xxxxxxx]

commit 6d2fa82c2680acc87dc379242518bb180e37b993
Author:     Jan Beulich <jbeulich@xxxxxxxx>
AuthorDate: Mon May 18 09:02:32 2026 +0200
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Mon May 18 09:02:32 2026 +0200

    x86: address Misra C:2012 rule 8.4
    
    ... ("A compatible declaration shall be visible when an object or function
    with external linkage is defined"). Three variables lack asmlinkage
    annotations.
    
    Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
    Reviewed-by: Nicola Vetrini <nicola.vetrini@xxxxxxxxxxx>
---
 xen/arch/x86/guest/xen/pvh-boot.c | 2 +-
 xen/arch/x86/guest/xen/xen.c      | 2 +-
 xen/arch/x86/pv/hypercall.c       | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/xen/arch/x86/guest/xen/pvh-boot.c 
b/xen/arch/x86/guest/xen/pvh-boot.c
index e14d7e20e9..a0fef0e9ab 100644
--- a/xen/arch/x86/guest/xen/pvh-boot.c
+++ b/xen/arch/x86/guest/xen/pvh-boot.c
@@ -22,7 +22,7 @@
 
 /* Initialised in head.S, before .bss is zeroed. */
 bool __initdata pvh_boot;
-uint32_t __initdata pvh_start_info_pa;
+uint32_t asmlinkage __initdata pvh_start_info_pa;
 
 static multiboot_info_t __initdata pvh_mbi;
 static module_t __initdata pvh_mbi_mods[8];
diff --git a/xen/arch/x86/guest/xen/xen.c b/xen/arch/x86/guest/xen/xen.c
index a184c51ef1..e4b936ec9c 100644
--- a/xen/arch/x86/guest/xen/xen.c
+++ b/xen/arch/x86/guest/xen/xen.c
@@ -40,7 +40,7 @@ DEFINE_PER_CPU(struct vcpu_info *, vcpu_info);
  *     0 vmcall
  *   > 0 vmmcall
  */
-int8_t __initdata early_hypercall_insn = -1;
+int8_t asmlinkage __initdata early_hypercall_insn = -1;
 
 /*
  * Called once during the first hypercall to figure out which instruction to
diff --git a/xen/arch/x86/pv/hypercall.c b/xen/arch/x86/pv/hypercall.c
index 17581d232e..b3b9a32555 100644
--- a/xen/arch/x86/pv/hypercall.c
+++ b/xen/arch/x86/pv/hypercall.c
@@ -180,7 +180,7 @@ void pv_ring1_init_hypercall_page(void *p)
     }
 }
 
-void do_entry_int82(struct cpu_user_regs *regs)
+void asmlinkage do_entry_int82(struct cpu_user_regs *regs)
 {
     if ( unlikely(untrusted_msi) )
         check_for_unexpected_msi((uint8_t)regs->entry_vector);
--
generated by git-patchbot for /home/xen/git/xen.git#staging