Messages in this thread Patch in this message | | | From | Christoph Hellwig <> | Subject | [PATCH 1/5] x86: unexport set_memory_x and set_memory_nx | Date | Mon, 26 Aug 2019 09:55:54 +0200 |
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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> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.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 6a9a77a403c9..a02ca8986299 100644 --- a/arch/x86/mm/pageattr.c +++ b/arch/x86/mm/pageattr.c @@ -1967,7 +1967,6 @@ 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) { @@ -1976,7 +1975,6 @@ 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) { -- 2.20.1
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