[PATCH v4 10/11] microblaze: Use is_kernel_text() helper
Michal Simek
monstr at monstr.eu
Thu Sep 30 20:13:08 AEST 2021
On 9/30/21 9:11 AM, Kefeng Wang wrote:
> Use is_kernel_text() helper to simplify code.
>
> Cc: Michal Simek <monstr at monstr.eu>
> Signed-off-by: Kefeng Wang <wangkefeng.wang at 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 at 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
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