Re: [PATCH v15 06/10] arm64: Treat all entry code as non-kprobe-able

From: Catalin Marinas
Date: Fri Jul 15 2016 - 12:47:33 EST


On Fri, Jul 08, 2016 at 12:35:50PM -0400, David Long wrote:
> --- a/arch/arm64/kernel/entry.S
> +++ b/arch/arm64/kernel/entry.S
> @@ -243,6 +243,7 @@ tsk .req x28 // current thread_info
> * Exception vectors.
> */
>
> + .pushsection ".entry.text", "ax"
> .align 11
> ENTRY(vectors)
> ventry el1_sync_invalid // Synchronous EL1t
> @@ -781,3 +782,5 @@ ENTRY(sys_rt_sigreturn_wrapper)
> mov x0, sp
> b sys_rt_sigreturn
> ENDPROC(sys_rt_sigreturn_wrapper)
> +
> + .popsection

Does the above sigreturn wrapper need to be included in the .entry.text
section?

--
Catalin