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s390/mm: Remove incorrect comment

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Remove an outdated comment that is also located at a random place. The
generic statement that read permissions imply execute permissions is
wrong since the instruction execution-protection facility is available.

Reviewed-by: Gerald Schaefer <gerald.schaefer@linux.ibm.com>
Acked-by: Alexander Gordeev <agordeev@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
This commit is contained in:
Heiko Carstens 2024-12-09 10:45:16 +01:00 committed by Alexander Gordeev
parent 4670f7bc17
commit 62b87e0c9a
1 changed files with 0 additions and 7 deletions
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7
arch/s390/include/asm/pgtable.h
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@ -461,13 +461,6 @@ static inline int is_module_addr(void *addr)
#define PAGE_KERNEL_EXEC __pgprot(_PAGE_PRESENT | _PAGE_READ | _PAGE_WRITE | \
_PAGE_YOUNG | _PAGE_DIRTY)
/*
* On s390 the page table entry has an invalid bit and a read-only bit.
* Read permission implies execute permission and write permission
* implies read permission.
*/
/*xwr*/
/*
* Segment entry (large page) protection definitions.
*/