From mboxrd@z Thu Jan  1 00:00:00 1970
From: mark.rutland@arm.com (Mark Rutland)
Date: Mon, 18 Apr 2016 16:35:41 +0100
Subject: [PATCH 1/8] arm64: kernel: don't export local symbols from head.S
In-Reply-To: <1460992188-23295-2-git-send-email-ard.biesheuvel@linaro.org>
References: <1460992188-23295-1-git-send-email-ard.biesheuvel@linaro.org>
 <1460992188-23295-2-git-send-email-ard.biesheuvel@linaro.org>
Message-ID: <20160418153540.GA7521@leverpostej>
To: linux-arm-kernel@lists.infradead.org
List-Id: linux-arm-kernel.lists.infradead.org

On Mon, Apr 18, 2016 at 05:09:41PM +0200, Ard Biesheuvel wrote:
> This unexports some symbols from head.S that are only used locally.

It might be worth s/some/all/, as that makes this sound less arbitrary
(and AFAICS this caters for all symbols only used locally).

> Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>

Acked-by: Mark Rutland <mark.rutland@arm.com>

Mark.

> ---
>  arch/arm64/kernel/head.S | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/arch/arm64/kernel/head.S b/arch/arm64/kernel/head.S
> index b43417618847..ac27d8d937b2 100644
> --- a/arch/arm64/kernel/head.S
> +++ b/arch/arm64/kernel/head.S
> @@ -638,7 +638,7 @@ ENDPROC(el2_setup)
>   * Sets the __boot_cpu_mode flag depending on the CPU boot mode passed
>   * in x20. See arch/arm64/include/asm/virt.h for more info.
>   */
> -ENTRY(set_cpu_boot_mode_flag)
> +set_cpu_boot_mode_flag:
>  	adr_l	x1, __boot_cpu_mode
>  	cmp	w20, #BOOT_CPU_MODE_EL2
>  	b.ne	1f
> @@ -691,7 +691,7 @@ ENTRY(secondary_entry)
>  	b	secondary_startup
>  ENDPROC(secondary_entry)
>  
> -ENTRY(secondary_startup)
> +secondary_startup:
>  	/*
>  	 * Common entry point for secondary CPUs.
>  	 */
> @@ -706,7 +706,7 @@ ENTRY(secondary_startup)
>  ENDPROC(secondary_startup)
>  0:	.long	(_text - TEXT_OFFSET) - __secondary_switched
>  
> -ENTRY(__secondary_switched)
> +__secondary_switched:
>  	adr_l	x5, vectors
>  	msr	vbar_el1, x5
>  	isb
> -- 
> 2.5.0
>