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Subject[tip: x86/mm] x86/mm: Unexport set_memory_x() and set_memory_nx()
The following commit has been merged into the x86/mm branch of tip:

Commit-ID: ec46133d3b81053701e2a29047dfb6228ff487bd
Gitweb: https://git.kernel.org/tip/ec46133d3b81053701e2a29047dfb6228ff487bd
Author: Christoph Hellwig <hch@lst.de>
AuthorDate: Mon, 26 Aug 2019 09:55:54 +02:00
Committer: Ingo Molnar <mingo@kernel.org>
CommitterDate: Tue, 03 Sep 2019 09:26:37 +02:00

x86/mm: Unexport set_memory_x() and set_memory_nx()

No module currently messed with clearing or setting the execute
permission of kernel memory, and none really should.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Rik van Riel <riel@surriel.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: https://lkml.kernel.org/r/20190826075558.8125-2-hch@lst.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>
---
arch/x86/mm/pageattr.c | 2 --
1 file changed, 2 deletions(-)

diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c
index e14e95e..08a6f04 100644
--- a/arch/x86/mm/pageattr.c
+++ b/arch/x86/mm/pageattr.c
@@ -1977,7 +1977,6 @@ int set_memory_x(unsigned long addr, int numpages)

return change_page_attr_clear(&addr, numpages, __pgprot(_PAGE_NX), 0);
}
-EXPORT_SYMBOL(set_memory_x);

int set_memory_nx(unsigned long addr, int numpages)
{
@@ -1986,7 +1985,6 @@ int set_memory_nx(unsigned long addr, int numpages)

return change_page_attr_set(&addr, numpages, __pgprot(_PAGE_NX), 0);
}
-EXPORT_SYMBOL(set_memory_nx);

int set_memory_ro(unsigned long addr, int numpages)
{
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