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From: Michal Simek <monstr@monstr.eu>
To: Kefeng Wang <wangkefeng.wang@huawei.com>,
	arnd@arndb.de, linux-arch@vger.kernel.org,
	linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,
	rostedt@goodmis.org, mingo@redhat.com, davem@davemloft.net,
	ast@kernel.org, ryabinin.a.a@gmail.com,
	akpm@linux-foundation.org
Cc: mpe@ellerman.id.au, benh@kernel.crashing.org, paulus@samba.org,
	bpf@vger.kernel.org, linux-alpha@vger.kernel.org,
	Christophe Leroy <christophe.leroy@csgroup.eu>
Subject: Re: [PATCH v4 10/11] microblaze: Use is_kernel_text() helper
Date: Thu, 30 Sep 2021 12:13:08 +0200	[thread overview]
Message-ID: <2a23c06c-62e5-d4f8-4c7c-4e5c055a9e69@monstr.eu> (raw)
In-Reply-To: <20210930071143.63410-11-wangkefeng.wang@huawei.com>



On 9/30/21 9:11 AM, Kefeng Wang wrote:
> Use is_kernel_text() helper to simplify code.
> 
> Cc: Michal Simek <monstr@monstr.eu>
> Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
> ---
>  arch/microblaze/mm/pgtable.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/arch/microblaze/mm/pgtable.c b/arch/microblaze/mm/pgtable.c
> index c1833b159d3b..9f73265aad4e 100644
> --- a/arch/microblaze/mm/pgtable.c
> +++ b/arch/microblaze/mm/pgtable.c
> @@ -34,6 +34,7 @@
>  #include <linux/mm_types.h>
>  #include <linux/pgtable.h>
>  #include <linux/memblock.h>
> +#include <linux/kallsyms.h>
>  
>  #include <asm/pgalloc.h>
>  #include <linux/io.h>
> @@ -171,7 +172,7 @@ void __init mapin_ram(void)
>  	for (s = 0; s < lowmem_size; s += PAGE_SIZE) {
>  		f = _PAGE_PRESENT | _PAGE_ACCESSED |
>  				_PAGE_SHARED | _PAGE_HWEXEC;
> -		if ((char *) v < _stext || (char *) v >= _etext)
> +		if (!is_kernel_text(v))
>  			f |= _PAGE_WRENABLE;
>  		else
>  			/* On the MicroBlaze, no user access
> 

Acked-by: Michal Simek <michal.simek@xilinx.com>

Thanks,
Michal

-- 
Michal Simek, Ing. (M.Eng), OpenPGP -> KeyID: FE3D1F91
w: www.monstr.eu p: +42-0-721842854
Maintainer of Linux kernel - Xilinx Microblaze
Maintainer of Linux kernel - Xilinx Zynq ARM and ZynqMP ARM64 SoCs
U-Boot custodian - Xilinx Microblaze/Zynq/ZynqMP/Versal SoCs


  reply	other threads:[~2021-09-30 10:13 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-30  7:11 [PATCH v4 00/11] sections: Unify kernel sections range check and use Kefeng Wang
2021-09-30  7:11 ` [PATCH v4 01/11] kallsyms: Remove arch specific text and data check Kefeng Wang
2021-09-30  7:11 ` [PATCH v4 02/11] kallsyms: Fix address-checks for kernel related range Kefeng Wang
2021-09-30  7:11 ` [PATCH v4 03/11] sections: Move and rename core_kernel_data() to is_kernel_core_data() Kefeng Wang
2021-09-30  7:11 ` [PATCH v4 04/11] sections: Move is_kernel_inittext() into sections.h Kefeng Wang
2021-09-30  7:11 ` [PATCH v4 05/11] x86: mm: Rename __is_kernel_text() to is_x86_32_kernel_text() Kefeng Wang
2021-09-30  7:11 ` [PATCH v4 06/11] sections: Provide internal __is_kernel() and __is_kernel_text() helper Kefeng Wang
2021-09-30  7:11 ` [PATCH v4 07/11] mm: kasan: Use is_kernel() helper Kefeng Wang
2021-09-30 15:45   ` Alexander Potapenko
2021-10-03 17:19   ` Andrey Konovalov
2021-09-30  7:11 ` [PATCH v4 08/11] extable: Use is_kernel_text() helper Kefeng Wang
2021-09-30  7:11 ` [PATCH v4 09/11] powerpc/mm: Use core_kernel_text() helper Kefeng Wang
2021-09-30  7:11 ` [PATCH v4 10/11] microblaze: Use is_kernel_text() helper Kefeng Wang
2021-09-30 10:13   ` Michal Simek [this message]
2021-09-30  7:11 ` [PATCH v4 11/11] alpha: " Kefeng Wang

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