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[v2,23/29] parisc: Move EXCEPTION_TABLE to RO_DATA segment

Message ID 20191011000609.29728-24-keescook@chromium.org (mailing list archive)
State Mainlined
Commit 6e85e23ef2d004def8e1acd36eb155411499b7cc
Headers show
Series vmlinux.lds.h: Refactor EXCEPTION_TABLE and NOTES | expand

Commit Message

Kees Cook Oct. 11, 2019, 12:06 a.m. UTC 
Since the EXCEPTION_TABLE is read-only, collapse it into RO_DATA.

Signed-off-by: Kees Cook <keescook@chromium.org>
---
 arch/parisc/kernel/vmlinux.lds.S | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

Comments

Helge Deller Oct. 12, 2019, 9:50 a.m. UTC | #1 
On 11.10.19 02:06, Kees Cook wrote:
> Since the EXCEPTION_TABLE is read-only, collapse it into RO_DATA.
>
> Signed-off-by: Kees Cook <keescook@chromium.org>
> ---
>   arch/parisc/kernel/vmlinux.lds.S | 4 +---
>   1 file changed, 1 insertion(+), 3 deletions(-)


Acked-by: Helge Deller <deller@gmx.de>  # parisc

Helge

>
> diff --git a/arch/parisc/kernel/vmlinux.lds.S b/arch/parisc/kernel/vmlinux.lds.S
> index 12b3d7d5e9e4..53e29d88f99c 100644
> --- a/arch/parisc/kernel/vmlinux.lds.S
> +++ b/arch/parisc/kernel/vmlinux.lds.S
> @@ -19,6 +19,7 @@
>   				*(.data..vm0.pte)
>
>   #define CC_USING_PATCHABLE_FUNCTION_ENTRY
> +#define RO_EXCEPTION_TABLE_ALIGN	8
>
>   #include <asm-generic/vmlinux.lds.h>
>
> @@ -129,9 +130,6 @@ SECTIONS
>
>   	RO_DATA(8)
>
> -	/* RO because of BUILDTIME_EXTABLE_SORT */
> -	EXCEPTION_TABLE(8)
> -
>   	/* unwind info */
>   	.PARISC.unwind : {
>   		__start___unwind = .;
>
diff mbox series

Patch

diff --git a/arch/parisc/kernel/vmlinux.lds.S b/arch/parisc/kernel/vmlinux.lds.S
index 12b3d7d5e9e4..53e29d88f99c 100644
--- a/arch/parisc/kernel/vmlinux.lds.S
+++ b/arch/parisc/kernel/vmlinux.lds.S
@@ -19,6 +19,7 @@ 
 				*(.data..vm0.pte)
 
 #define CC_USING_PATCHABLE_FUNCTION_ENTRY
+#define RO_EXCEPTION_TABLE_ALIGN	8
 
 #include <asm-generic/vmlinux.lds.h>
 
@@ -129,9 +130,6 @@  SECTIONS
 
 	RO_DATA(8)
 
-	/* RO because of BUILDTIME_EXTABLE_SORT */
-	EXCEPTION_TABLE(8)
-
 	/* unwind info */
 	.PARISC.unwind : {
 		__start___unwind = .;