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s390: Move RO_DATA into "text" PT_LOAD Program Header

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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@chromium.org>
Signed-off-by: Borislav Petkov <bp@suse.de>
Acked-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: linux-alpha@vger.kernel.org
Cc: linux-arch@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-c6x-dev@linux-c6x.org
Cc: linux-ia64@vger.kernel.org
Cc: linux-s390@vger.kernel.org
Cc: linuxppc-dev@lists.ozlabs.org
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Michal Simek <monstr@monstr.eu>
Cc: Rick Edgecombe <rick.p.edgecombe@intel.com>
Cc: Segher Boessenkool <segher@kernel.crashing.org>
Cc: Will Deacon <will@kernel.org>
Cc: x86-ml <x86@kernel.org>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Link: https://lkml.kernel.org/r/20191029211351.13243-7-keescook@chromium.org
This commit is contained in:
Kees Cook 2019-10-29 14:13:28 -07:00 committed by Borislav Petkov
parent 430c6b2647
commit 6434efbd9a
1 changed files with 2 additions and 2 deletions
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4
arch/s390/kernel/vmlinux.lds.S
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@ -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 = .;