The following commit has been merged into the x86/build branch of tip:
Commit-ID: 6434efbd9aefa3786b446c8e4745d1f49d2983b4
Gitweb: https://git.kernel.org/tip/6434efbd9aefa3786b446c8e4745d1f49d2983b4
Author: Kees Cook <keescook@xxxxxxxxxxxx>
AuthorDate: Tue, 29 Oct 2019 14:13:28 -07:00
Committer: Borislav Petkov <bp@xxxxxxx>
CommitterDate: Mon, 04 Nov 2019 15:34:32 +01:00
s390: Move RO_DATA into "text" PT_LOAD Program Header
In preparation for moving NOTES into RO_DATA, move RO_DATA back into the
"text" PT_LOAD Program Header, as done with other architectures. The
"data" PT_LOAD now starts with the writable data section.
Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx>
Signed-off-by: Borislav Petkov <bp@xxxxxxx>
Acked-by: Heiko Carstens <heiko.carstens@xxxxxxxxxx>
Cc: Andy Lutomirski <luto@xxxxxxxxxx>
Cc: Arnd Bergmann <arnd@xxxxxxxx>
Cc: Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>
Cc: linux-alpha@xxxxxxxxxxxxxxx
Cc: linux-arch@xxxxxxxxxxxxxxx
Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
Cc: linux-c6x-dev@xxxxxxxxxxxxx
Cc: linux-ia64@xxxxxxxxxxxxxxx
Cc: linux-s390@xxxxxxxxxxxxxxx
Cc: linuxppc-dev@xxxxxxxxxxxxxxxx
Cc: Michael Ellerman <mpe@xxxxxxxxxxxxxx>
Cc: Michal Simek <monstr@xxxxxxxxx>
Cc: Rick Edgecombe <rick.p.edgecombe@xxxxxxxxx>
Cc: Segher Boessenkool <segher@xxxxxxxxxxxxxxxxxxx>
Cc: Will Deacon <will@xxxxxxxxxx>
Cc: x86-ml <x86@xxxxxxxxxx>
Cc: Yoshinori Sato <ysato@xxxxxxxxxxxxxxxxxxxx>
Link: https://lkml.kernel.org/r/20191029211351.13243-7-keescook@xxxxxxxxxxxx
---
arch/s390/kernel/vmlinux.lds.S | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/s390/kernel/vmlinux.lds.S b/arch/s390/kernel/vmlinux.lds.S
index 7e0eb40..13294fe 100644
--- a/arch/s390/kernel/vmlinux.lds.S
+++ b/arch/s390/kernel/vmlinux.lds.S
@@ -52,7 +52,7 @@ SECTIONS
NOTES :text :note
- .dummy : { *(.dummy) } :data
+ .dummy : { *(.dummy) } :text
RO_DATA_SECTION(PAGE_SIZE)
@@ -64,7 +64,7 @@ SECTIONS
.data..ro_after_init : {
*(.data..ro_after_init)
JUMP_TABLE_DATA
- }
+ } :data
EXCEPTION_TABLE(16)
. = ALIGN(PAGE_SIZE);
__end_ro_after_init = .;
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