diff mbox series

[v2,03/15] x86/efi: Drop alignment flags from PE section headers

Message ID 20230912090051.4014114-20-ardb@google.com
State New
Headers show
Series x86/boot: Rework PE header generation | expand

Commit Message

Ard Biesheuvel Sept. 12, 2023, 9 a.m. UTC 
From: Ard Biesheuvel <ardb@kernel.org>

The section header flags for alignment are documented in the PE/COFF
spec as being applicable to PE object files only, not to PE executables
such as the Linux bzImage, so let's drop them from the PE header.

Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
---
 arch/x86/boot/header.S | 12 ++++--------
 1 file changed, 4 insertions(+), 8 deletions(-)
diff mbox series

Patch

diff --git a/arch/x86/boot/header.S b/arch/x86/boot/header.S
index b04ca8e2b213..8c8148d751c6 100644
--- a/arch/x86/boot/header.S
+++ b/arch/x86/boot/header.S
@@ -209,8 +209,7 @@  section_table:
 	.word	0				# NumberOfLineNumbers
 	.long	IMAGE_SCN_CNT_CODE		| \
 		IMAGE_SCN_MEM_READ		| \
-		IMAGE_SCN_MEM_EXECUTE		| \
-		IMAGE_SCN_ALIGN_16BYTES		# Characteristics
+		IMAGE_SCN_MEM_EXECUTE		# Characteristics
 
 	#
 	# The EFI application loader requires a relocation section
@@ -230,8 +229,7 @@  section_table:
 	.word	0				# NumberOfLineNumbers
 	.long	IMAGE_SCN_CNT_INITIALIZED_DATA	| \
 		IMAGE_SCN_MEM_READ		| \
-		IMAGE_SCN_MEM_DISCARDABLE	| \
-		IMAGE_SCN_ALIGN_1BYTES		# Characteristics
+		IMAGE_SCN_MEM_DISCARDABLE	# Characteristics
 
 #ifdef CONFIG_EFI_MIXED
 	#
@@ -249,8 +247,7 @@  section_table:
 	.word	0				# NumberOfLineNumbers
 	.long	IMAGE_SCN_CNT_INITIALIZED_DATA	| \
 		IMAGE_SCN_MEM_READ		| \
-		IMAGE_SCN_MEM_DISCARDABLE	| \
-		IMAGE_SCN_ALIGN_1BYTES		# Characteristics
+		IMAGE_SCN_MEM_DISCARDABLE	# Characteristics
 #endif
 
 	#
@@ -271,8 +268,7 @@  section_table:
 	.word	0				# NumberOfLineNumbers
 	.long	IMAGE_SCN_CNT_CODE		| \
 		IMAGE_SCN_MEM_READ		| \
-		IMAGE_SCN_MEM_EXECUTE		| \
-		IMAGE_SCN_ALIGN_16BYTES		# Characteristics
+		IMAGE_SCN_MEM_EXECUTE		# Characteristics
 
 	.set	section_count, (. - section_table) / 40
 #endif /* CONFIG_EFI_STUB */