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x86/efi: Drop alignment flags from PE section headers

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commit bfab35f552ab3dd6d017165bf9de1d1d20f198cc upstream.

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>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/20230912090051.4014114-20-ardb@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Ard Biesheuvel
2023-09-12 09:00:54 +00:00
committed by Greg Kroah-Hartman
parent 8117961d98
commit e17a8bf1fb
1 changed files with 4 additions and 8 deletions
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12
arch/x86/boot/header.S
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@@ -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 */