The following commit has been merged into the x86/build branch of tip: Commit-ID: 4e9e559a0385930649c1c9cad703d475ee030206 Gitweb: https://git.kernel.org/tip/4e9e559a0385930649c1c9cad703d475ee030206 Author: Kees Cook <keescook@xxxxxxxxxxxx> AuthorDate: Tue, 29 Oct 2019 14:13:46 -07:00 Committer: Borislav Petkov <bp@xxxxxxx> CommitterDate: Mon, 04 Nov 2019 18:30:13 +01:00 powerpc: Move EXCEPTION_TABLE to RO_DATA segment Since the EXCEPTION_TABLE is read-only, collapse it into RO_DATA. Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx> Signed-off-by: Borislav Petkov <bp@xxxxxxx> 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/20191029211351.13243-25-keescook@xxxxxxxxxxxx --- arch/powerpc/kernel/vmlinux.lds.S | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/powerpc/kernel/vmlinux.lds.S b/arch/powerpc/kernel/vmlinux.lds.S index 4e7cec0..8834220 100644 --- a/arch/powerpc/kernel/vmlinux.lds.S +++ b/arch/powerpc/kernel/vmlinux.lds.S @@ -7,6 +7,7 @@ #define BSS_FIRST_SECTIONS *(.bss.prominit) #define EMITS_PT_NOTE +#define RO_EXCEPTION_TABLE_ALIGN 0 #include <asm/page.h> #include <asm-generic/vmlinux.lds.h> @@ -162,7 +163,6 @@ SECTIONS __stop__btb_flush_fixup = .; } #endif - EXCEPTION_TABLE(0) /* * Init sections discarded at runtime
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