[PATCH 1/2] powerpc/vmlinux.lds: Ensure STRICT_ALIGN_SIZE is at least page aligned

Michael Ellerman mpe at ellerman.id.au
Fri Sep 16 23:14:21 AEST 2022


Add a check that STRICT_ALIGN_SIZE is aligned to at least PAGE_SIZE.

That then makes the alignment to PAGE_SIZE immediately after the
alignment to STRICT_ALIGN_SIZE redundant, so remove it.

Signed-off-by: Michael Ellerman <mpe at ellerman.id.au>
---
 arch/powerpc/kernel/vmlinux.lds.S | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/arch/powerpc/kernel/vmlinux.lds.S b/arch/powerpc/kernel/vmlinux.lds.S
index fe22d940412f..4e56fc0ee42a 100644
--- a/arch/powerpc/kernel/vmlinux.lds.S
+++ b/arch/powerpc/kernel/vmlinux.lds.S
@@ -32,6 +32,10 @@
 
 #define STRICT_ALIGN_SIZE	(1 << CONFIG_DATA_SHIFT)
 
+#if STRICT_ALIGN_SIZE < PAGE_SIZE
+#error "CONFIG_DATA_SHIFT must be >= PAGE_SIZE"
+#endif
+
 ENTRY(_stext)
 
 PHDRS {
@@ -215,7 +219,6 @@ SECTIONS
  */
 	. = ALIGN(STRICT_ALIGN_SIZE);
 	__init_begin = .;
-	. = ALIGN(PAGE_SIZE);
 	.init.text : AT(ADDR(.init.text) - LOAD_OFFSET) {
 		_sinittext = .;
 		INIT_TEXT
-- 
2.37.2



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