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Diffstat (limited to 'arch/ppc64/kernel/pSeries_lpar.c')
-rw-r--r--arch/ppc64/kernel/pSeries_lpar.c47
1 files changed, 16 insertions, 31 deletions
diff --git a/arch/ppc64/kernel/pSeries_lpar.c b/arch/ppc64/kernel/pSeries_lpar.c
index 6534812db43..74dd144dcce 100644
--- a/arch/ppc64/kernel/pSeries_lpar.c
+++ b/arch/ppc64/kernel/pSeries_lpar.c
@@ -277,31 +277,20 @@ void vpa_init(int cpu)
long pSeries_lpar_hpte_insert(unsigned long hpte_group,
unsigned long va, unsigned long prpn,
- int secondary, unsigned long hpteflags,
- int bolted, int large)
+ unsigned long vflags, unsigned long rflags)
{
unsigned long arpn = physRpn_to_absRpn(prpn);
unsigned long lpar_rc;
unsigned long flags;
unsigned long slot;
- HPTE lhpte;
+ unsigned long hpte_v, hpte_r;
unsigned long dummy0, dummy1;
- /* Fill in the local HPTE with absolute rpn, avpn and flags */
- lhpte.dw1.dword1 = 0;
- lhpte.dw1.dw1.rpn = arpn;
- lhpte.dw1.flags.flags = hpteflags;
+ hpte_v = ((va >> 23) << HPTE_V_AVPN_SHIFT) | vflags | HPTE_V_VALID;
+ if (vflags & HPTE_V_LARGE)
+ hpte_v &= ~(1UL << HPTE_V_AVPN_SHIFT);
- lhpte.dw0.dword0 = 0;
- lhpte.dw0.dw0.avpn = va >> 23;
- lhpte.dw0.dw0.h = secondary;
- lhpte.dw0.dw0.bolted = bolted;
- lhpte.dw0.dw0.v = 1;
-
- if (large) {
- lhpte.dw0.dw0.l = 1;
- lhpte.dw0.dw0.avpn &= ~0x1UL;
- }
+ hpte_r = (arpn << HPTE_R_RPN_SHIFT) | rflags;
/* Now fill in the actual HPTE */
/* Set CEC cookie to 0 */
@@ -312,11 +301,11 @@ long pSeries_lpar_hpte_insert(unsigned long hpte_group,
flags = 0;
/* XXX why is this here? - Anton */
- if (hpteflags & (_PAGE_GUARDED|_PAGE_NO_CACHE))
- lhpte.dw1.flags.flags &= ~_PAGE_COHERENT;
+ if (rflags & (_PAGE_GUARDED|_PAGE_NO_CACHE))
+ hpte_r &= ~_PAGE_COHERENT;
- lpar_rc = plpar_hcall(H_ENTER, flags, hpte_group, lhpte.dw0.dword0,
- lhpte.dw1.dword1, &slot, &dummy0, &dummy1);
+ lpar_rc = plpar_hcall(H_ENTER, flags, hpte_group, hpte_v,
+ hpte_r, &slot, &dummy0, &dummy1);
if (unlikely(lpar_rc == H_PTEG_Full))
return -1;
@@ -332,7 +321,7 @@ long pSeries_lpar_hpte_insert(unsigned long hpte_group,
/* Because of iSeries, we have to pass down the secondary
* bucket bit here as well
*/
- return (slot & 7) | (secondary << 3);
+ return (slot & 7) | (!!(vflags & HPTE_V_SECONDARY) << 3);
}
static DEFINE_SPINLOCK(pSeries_lpar_tlbie_lock);
@@ -427,22 +416,18 @@ static long pSeries_lpar_hpte_find(unsigned long vpn)
unsigned long hash;
unsigned long i, j;
long slot;
- union {
- unsigned long dword0;
- Hpte_dword0 dw0;
- } hpte_dw0;
- Hpte_dword0 dw0;
+ unsigned long hpte_v;
hash = hpt_hash(vpn, 0);
for (j = 0; j < 2; j++) {
slot = (hash & htab_hash_mask) * HPTES_PER_GROUP;
for (i = 0; i < HPTES_PER_GROUP; i++) {
- hpte_dw0.dword0 = pSeries_lpar_hpte_getword0(slot);
- dw0 = hpte_dw0.dw0;
+ hpte_v = pSeries_lpar_hpte_getword0(slot);
- if ((dw0.avpn == (vpn >> 11)) && dw0.v &&
- (dw0.h == j)) {
+ if ((HPTE_V_AVPN_VAL(hpte_v) == (vpn >> 11))
+ && (hpte_v & HPTE_V_VALID)
+ && (!!(hpte_v & HPTE_V_SECONDARY) == j)) {
/* HPTE matches */
if (j)
slot = -slot;