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authorArd Biesheuvel <ardb@kernel.org>2024-01-16 11:53:48 +0300
committerBorislav Petkov (AMD) <bp@alien8.de>2024-02-28 16:23:55 +0300
commit891f8890a4a3663da7056542757022870b499bc1 (patch)
treee00ad1a44a5690d64f08961bd0496bc75c31a086 /arch/x86/boot
parent11e36b0f7c2150a6453872b79555767b43c846d0 (diff)
downloadlinux-891f8890a4a3663da7056542757022870b499bc1.tar.xz
efi/x86: Set the PE/COFF header's NX compat flag unconditionally
Now that the proper section and file alignment is used, and the EFI memory attributes protocol to manage executable permissions where needed is invoked, set the NX compat flag unconditionally. [ bp: Remove the "we"s. ] Signed-off-by: Ard Biesheuvel <ardb@kernel.org> Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de> Link: https://lore.kernel.org/r/20240116085347.2193966-2-ardb+git@google.com
Diffstat (limited to 'arch/x86/boot')
-rw-r--r--arch/x86/boot/header.S4
1 files changed, 0 insertions, 4 deletions
diff --git a/arch/x86/boot/header.S b/arch/x86/boot/header.S
index a1bbedd989e4..b5c79f43359b 100644
--- a/arch/x86/boot/header.S
+++ b/arch/x86/boot/header.S
@@ -111,11 +111,7 @@ extra_header_fields:
.long salign # SizeOfHeaders
.long 0 # CheckSum
.word IMAGE_SUBSYSTEM_EFI_APPLICATION # Subsystem (EFI application)
-#ifdef CONFIG_EFI_DXE_MEM_ATTRIBUTES
.word IMAGE_DLL_CHARACTERISTICS_NX_COMPAT # DllCharacteristics
-#else
- .word 0 # DllCharacteristics
-#endif
#ifdef CONFIG_X86_32
.long 0 # SizeOfStackReserve
.long 0 # SizeOfStackCommit