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Diffstat (limited to 'arch/s390/mm/gmap.c')
-rw-r--r--arch/s390/mm/gmap.c28
1 files changed, 5 insertions, 23 deletions
diff --git a/arch/s390/mm/gmap.c b/arch/s390/mm/gmap.c
index 8ff6bba107e8..603d9e5febb5 100644
--- a/arch/s390/mm/gmap.c
+++ b/arch/s390/mm/gmap.c
@@ -138,10 +138,7 @@ EXPORT_SYMBOL_GPL(gmap_create);
static void gmap_flush_tlb(struct gmap *gmap)
{
- if (cpu_has_idte())
- __tlb_flush_idte(gmap->asce);
- else
- __tlb_flush_global();
+ __tlb_flush_idte(gmap->asce);
}
static void gmap_radix_tree_free(struct radix_tree_root *root)
@@ -1988,10 +1985,8 @@ static void gmap_pmdp_xchg(struct gmap *gmap, pmd_t *pmdp, pmd_t new,
if (machine_has_tlb_guest())
__pmdp_idte(gaddr, (pmd_t *)pmdp, IDTE_GUEST_ASCE, gmap->asce,
IDTE_GLOBAL);
- else if (cpu_has_idte())
- __pmdp_idte(gaddr, (pmd_t *)pmdp, 0, 0, IDTE_GLOBAL);
else
- __pmdp_csp(pmdp);
+ __pmdp_idte(gaddr, (pmd_t *)pmdp, 0, 0, IDTE_GLOBAL);
set_pmd(pmdp, new);
}
@@ -2012,7 +2007,7 @@ static void gmap_pmdp_clear(struct mm_struct *mm, unsigned long vmaddr,
_SEGMENT_ENTRY_GMAP_UC |
_SEGMENT_ENTRY));
if (purge)
- __pmdp_csp(pmdp);
+ __pmdp_cspg(pmdp);
set_pmd(pmdp, __pmd(_SEGMENT_ENTRY_EMPTY));
}
spin_unlock(&gmap->guest_table_lock);
@@ -2033,17 +2028,6 @@ void gmap_pmdp_invalidate(struct mm_struct *mm, unsigned long vmaddr)
EXPORT_SYMBOL_GPL(gmap_pmdp_invalidate);
/**
- * gmap_pmdp_csp - csp all affected guest pmd entries
- * @mm: pointer to the process mm_struct
- * @vmaddr: virtual address in the process address space
- */
-void gmap_pmdp_csp(struct mm_struct *mm, unsigned long vmaddr)
-{
- gmap_pmdp_clear(mm, vmaddr, 1);
-}
-EXPORT_SYMBOL_GPL(gmap_pmdp_csp);
-
-/**
* gmap_pmdp_idte_local - invalidate and clear a guest pmd entry
* @mm: pointer to the process mm_struct
* @vmaddr: virtual address in the process address space
@@ -2066,7 +2050,7 @@ void gmap_pmdp_idte_local(struct mm_struct *mm, unsigned long vmaddr)
if (machine_has_tlb_guest())
__pmdp_idte(gaddr, pmdp, IDTE_GUEST_ASCE,
gmap->asce, IDTE_LOCAL);
- else if (cpu_has_idte())
+ else
__pmdp_idte(gaddr, pmdp, 0, 0, IDTE_LOCAL);
*pmdp = __pmd(_SEGMENT_ENTRY_EMPTY);
}
@@ -2099,10 +2083,8 @@ void gmap_pmdp_idte_global(struct mm_struct *mm, unsigned long vmaddr)
if (machine_has_tlb_guest())
__pmdp_idte(gaddr, pmdp, IDTE_GUEST_ASCE,
gmap->asce, IDTE_GLOBAL);
- else if (cpu_has_idte())
- __pmdp_idte(gaddr, pmdp, 0, 0, IDTE_GLOBAL);
else
- __pmdp_csp(pmdp);
+ __pmdp_idte(gaddr, pmdp, 0, 0, IDTE_GLOBAL);
*pmdp = __pmd(_SEGMENT_ENTRY_EMPTY);
}
spin_unlock(&gmap->guest_table_lock);