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SubjectRe: [PATCH] mm: do not export ioremap_page_range symbol for external module
On 2017/1/22 20:58, zhongjiang wrote:
> From: zhong jiang <zhongjiang@huawei.com>
>
> Recently, I find the ioremap_page_range had been abusing. The improper
> address mapping is a issue. it will result in the crash. so, remove
> the symbol. It can be replaced by the ioremap_cache or others symbol.
>
> Signed-off-by: zhong jiang <zhongjiang@huawei.com>
> ---
> lib/ioremap.c | 1 -
> 1 file changed, 1 deletion(-)
>
> diff --git a/lib/ioremap.c b/lib/ioremap.c
> index 86c8911..a3e14ce 100644
> --- a/lib/ioremap.c
> +++ b/lib/ioremap.c
> @@ -144,4 +144,3 @@ int ioremap_page_range(unsigned long addr,
>
> return err;
> }
> -EXPORT_SYMBOL_GPL(ioremap_page_range);
self nack

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