| From | Evgeniy Baskov <> | Subject | [PATCH v4 01/26] x86/boot: Align vmlinuz sections on page size | Date | Thu, 15 Dec 2022 15:37:52 +0300 |
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To protect sections on page table level each section needs to be aligned on page size (4KB).
Set sections alignment in linker script.
Tested-by: Mario Limonciello <mario.limonciello@amd.com> Tested-by: Peter Jones <pjones@redhat.com> Signed-off-by: Evgeniy Baskov <baskov@ispras.ru> --- arch/x86/boot/compressed/vmlinux.lds.S | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/arch/x86/boot/compressed/vmlinux.lds.S b/arch/x86/boot/compressed/vmlinux.lds.S index 112b2375d021..6be90f1a1198 100644 --- a/arch/x86/boot/compressed/vmlinux.lds.S +++ b/arch/x86/boot/compressed/vmlinux.lds.S @@ -27,21 +27,27 @@ SECTIONS HEAD_TEXT _ehead = . ; } + . = ALIGN(PAGE_SIZE); .rodata..compressed : { + _compressed = .; *(.rodata..compressed) + _ecompressed = .; } + . = ALIGN(PAGE_SIZE); .text : { _text = .; /* Text */ *(.text) *(.text.*) _etext = . ; } + . = ALIGN(PAGE_SIZE); .rodata : { _rodata = . ; *(.rodata) /* read-only data */ *(.rodata.*) _erodata = . ; } + . = ALIGN(PAGE_SIZE); .data : { _data = . ; *(.data) -- 2.37.4
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