patch-2.4.21 linux-2.4.21/include/asm-s390/pgtable.h
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- Lines: 42
- Date:
2003-06-13 07:51:38.000000000 -0700
- Orig file:
linux-2.4.20/include/asm-s390/pgtable.h
- Orig date:
2002-11-28 15:53:15.000000000 -0800
diff -urN linux-2.4.20/include/asm-s390/pgtable.h linux-2.4.21/include/asm-s390/pgtable.h
@@ -236,12 +236,22 @@
pte_val(pteval) &= ~_PAGE_MKCLEAN;
asm volatile ("sske %0,%1"
- : : "d" (0), "a" (pte_val(pteval)));
+ : : "d" (STORAGE_ACC_KEY_MASK),
+ "a" (pte_val(pteval)));
}
*pteptr = pteval;
}
+extern inline void set_access_key(pte_t pteval)
+{
+ asm volatile (" iske 0,%1\n"
+ " or 0,%0\n"
+ " sske 0,%1\n"
+ : : "d" (STORAGE_ACC_KEY_MASK),
+ "a" (pte_val(pteval)) : "0", "cc");
+}
+
#define pages_to_mb(x) ((x) >> (20-PAGE_SHIFT))
/*
@@ -333,7 +343,7 @@
extern inline pte_t pte_mkwrite(pte_t pte)
{
- pte_val(pte) &= ~_PAGE_RO;
+ pte_val(pte) &= ~(_PAGE_RO | _PAGE_ISCLEAN);
return pte;
}
@@ -394,7 +404,7 @@
/* We can't clear the changed bit atomically. For now we
* clear (!) the page referenced bit. */
asm volatile ("sske %0,%1"
- : : "d" (0), "a" (*ptep));
+ : : "d" (STORAGE_ACC_KEY_MASK), "a" (*ptep));
return 1;
}
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