[PATCH 24/29] powerpc: Move EXCEPTION_TABLE to RO_DATA segment
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
- To: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
- Subject: [PATCH 24/29] powerpc: Move EXCEPTION_TABLE to RO_DATA segment
- From: Kees Cook <keescook@xxxxxxxxxxxx>
- Date: Thu, 26 Sep 2019 10:55:57 -0700
- Cc: Kees Cook <keescook@xxxxxxxxxxxx>, Rick Edgecombe <rick.p.edgecombe@xxxxxxxxx>, Ingo Molnar <mingo@xxxxxxxxxx>, Borislav Petkov <bp@xxxxxxxxx>, "H. Peter Anvin" <hpa@xxxxxxxxx>, Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>, Andy Lutomirski <luto@xxxxxxxxxx>, Arnd Bergmann <arnd@xxxxxxxx>, linux-arch@xxxxxxxxxxxxxxx, linuxppc-dev@xxxxxxxxxxxxxxxx, linux-alpha@xxxxxxxxxxxxxxx, linux-ia64@xxxxxxxxxxxxxxx, linux-s390@xxxxxxxxxxxxxxx, linux-c6x-dev@xxxxxxxxxxxxx, Yoshinori Sato <ysato@xxxxxxxxxxxxxxxxxxxx>, Michal Simek <monstr@xxxxxxxxx>, linux-parisc@xxxxxxxxxxxxxxx, linux-xtensa@xxxxxxxxxxxxxxxx, x86@xxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx
- In-reply-to: <20190926175602.33098-1-keescook@chromium.org>
- References: <20190926175602.33098-1-keescook@chromium.org>
The EXCEPTION_TABLE is read-only, so collapse it into RO_DATA.
Signed-off-by: Kees Cook <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 4e7cec088c8b..2ed44e5824d5 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_DATA_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
--
2.17.1
[Index of Archives]
[Linux Kernel]
[Sparc Linux]
[DCCP]
[Linux ARM]
[Yosemite News]
[Linux SCSI]
[Linux x86_64]
[Linux for Ham Radio]