Re: [PATCH] mm: do not export ioremap_page_range symbol for external module

From: John Hubbard
Date: Sun Jan 22 2017 - 20:30:51 EST




On 01/22/2017 05:14 PM, zhong jiang wrote:
On 2017/1/22 20:58, zhongjiang wrote:
From: zhong jiang <zhongjiang@xxxxxxxxxx>

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@xxxxxxxxxx>
---
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


heh. What changed your mind?