Messages in this thread Patch in this message | | | From | Laura Abbott <> | Subject | [PATCHv4 3/3] x86: Add build salt to the vDSO and kernel linker scripts | Date | Mon, 11 Jun 2018 17:32:24 -0700 |
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Both the kernel and the vDSO need to have unique build ids. Insert the build salt section to make the build ids unique.
Signed-off-by: Laura Abbott <labbott@redhat.com> --- arch/x86/entry/vdso/vdso-layout.lds.S | 3 ++- arch/x86/kernel/vmlinux.lds.S | 1 + 2 files changed, 3 insertions(+), 1 deletion(-)
diff --git a/arch/x86/entry/vdso/vdso-layout.lds.S b/arch/x86/entry/vdso/vdso-layout.lds.S index acfd5ba7d943..a331c1d41360 100644 --- a/arch/x86/entry/vdso/vdso-layout.lds.S +++ b/arch/x86/entry/vdso/vdso-layout.lds.S @@ -1,6 +1,6 @@ /* SPDX-License-Identifier: GPL-2.0 */ #include <asm/vdso.h> - +#include <asm-generic/vmlinux.lds.h> /* * Linker script for vDSO. This is an ELF shared object prelinked to * its virtual address, and with only one read-only segment. @@ -74,6 +74,7 @@ SECTIONS .fake_shstrtab : { *(.fake_shstrtab) } :text + BUILD_SALT .note : { *(.note.*) } :text :note .eh_frame_hdr : { *(.eh_frame_hdr) } :text :eh_frame_hdr diff --git a/arch/x86/kernel/vmlinux.lds.S b/arch/x86/kernel/vmlinux.lds.S index 5e1458f609a1..b61c33fa2617 100644 --- a/arch/x86/kernel/vmlinux.lds.S +++ b/arch/x86/kernel/vmlinux.lds.S @@ -172,6 +172,7 @@ SECTIONS _edata = .; } :data + BUILD_SALT BUG_TABLE ORC_UNWIND_TABLE -- 2.18.0.rc1
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