diff mbox series

[v4,3/3] x86: Align output sections for UEFI CA memory mitigation requirements

Message ID 20240919080021.20155-4-frediano.ziglio@cloud.com (mailing list archive)
State New
Headers show
Series x86: Satisfy requirements for UEFI CA memory mitigation requirements | expand

Commit Message

Frediano Ziglio Sept. 19, 2024, 8 a.m. UTC 
All loadable sections should be page aligned.

Signed-off-by: Frediano Ziglio <frediano.ziglio@cloud.com>
---
 xen/arch/x86/xen.lds.S | 8 ++++++++
 1 file changed, 8 insertions(+)
diff mbox series

Patch

diff --git a/xen/arch/x86/xen.lds.S b/xen/arch/x86/xen.lds.S
index b0b952dd9c..ef446e0a71 100644
--- a/xen/arch/x86/xen.lds.S
+++ b/xen/arch/x86/xen.lds.S
@@ -208,6 +208,10 @@  SECTIONS
 
   } PHDR(text)
 
+#ifdef EFI
+  /* align to satisfy UEFI CA memory mitigation */
+  . = ALIGN(PAGE_SIZE);
+#endif
   DECL_SECTION(.init.data) {
        *(.init.bss.stack_aligned)
 
@@ -262,6 +266,10 @@  SECTIONS
        __ctors_end = .;
   } PHDR(text)
 
+#ifdef EFI
+  /* align to satisfy UEFI CA memory mitigation */
+  . = ALIGN(PAGE_SIZE);
+#endif
   DECL_SECTION(.init.trampoline) {
        *(.init.trampoline)
   } PHDR(text)