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| author | Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com> | 2018-06-29 14:06:30 +0530 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2018-07-24 22:03:18 +1000 |
| commit | a833280b4aeeb3152369a3d5bcdc09447fea8358 (patch) | |
| tree | f1be3c36f8e36b261fd2c94b0424435c60102b43 /arch/powerpc/mm/hash_native_64.c | |
| parent | 1531cff44b5bb30c899404c044805ec60b2f3620 (diff) | |
| download | linux-a833280b4aeeb3152369a3d5bcdc09447fea8358.tar.gz | |
powerpc/mm/hash: Add hpte_get_old_v and use that instead of opencoding
No functional change
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/mm/hash_native_64.c')
| -rw-r--r-- | arch/powerpc/mm/hash_native_64.c | 27 |
1 files changed, 7 insertions, 20 deletions
diff --git a/arch/powerpc/mm/hash_native_64.c b/arch/powerpc/mm/hash_native_64.c index 1d049c78c82a95..68e6eaf41bb927 100644 --- a/arch/powerpc/mm/hash_native_64.c +++ b/arch/powerpc/mm/hash_native_64.c @@ -423,9 +423,7 @@ static long native_hpte_updatepp(unsigned long slot, unsigned long newpp, DBG_LOW(" update(vpn=%016lx, avpnv=%016lx, group=%lx, newpp=%lx)", vpn, want_v & HPTE_V_AVPN, slot, newpp); - hpte_v = be64_to_cpu(hptep->v); - if (cpu_has_feature(CPU_FTR_ARCH_300)) - hpte_v = hpte_new_to_old_v(hpte_v, be64_to_cpu(hptep->r)); + hpte_v = hpte_get_old_v(hptep); /* * We need to invalidate the TLB always because hpte_remove doesn't do * a tlb invalidate. If a hash bucket gets full, we "evict" a more/less @@ -439,9 +437,7 @@ static long native_hpte_updatepp(unsigned long slot, unsigned long newpp, } else { native_lock_hpte(hptep); /* recheck with locks held */ - hpte_v = be64_to_cpu(hptep->v); - if (cpu_has_feature(CPU_FTR_ARCH_300)) - hpte_v = hpte_new_to_old_v(hpte_v, be64_to_cpu(hptep->r)); + hpte_v = hpte_get_old_v(hptep); if (unlikely(!HPTE_V_COMPARE(hpte_v, want_v) || !(hpte_v & HPTE_V_VALID))) { ret = -1; @@ -481,11 +477,9 @@ static long native_hpte_find(unsigned long vpn, int psize, int ssize) /* Bolted mappings are only ever in the primary group */ slot = (hash & htab_hash_mask) * HPTES_PER_GROUP; for (i = 0; i < HPTES_PER_GROUP; i++) { - hptep = htab_address + slot; - hpte_v = be64_to_cpu(hptep->v); - if (cpu_has_feature(CPU_FTR_ARCH_300)) - hpte_v = hpte_new_to_old_v(hpte_v, be64_to_cpu(hptep->r)); + hptep = htab_address + slot; + hpte_v = hpte_get_old_v(hptep); if (HPTE_V_COMPARE(hpte_v, want_v) && (hpte_v & HPTE_V_VALID)) /* HPTE matches */ return slot; @@ -575,9 +569,7 @@ static void native_hpte_invalidate(unsigned long slot, unsigned long vpn, want_v = hpte_encode_avpn(vpn, bpsize, ssize); native_lock_hpte(hptep); - hpte_v = be64_to_cpu(hptep->v); - if (cpu_has_feature(CPU_FTR_ARCH_300)) - hpte_v = hpte_new_to_old_v(hpte_v, be64_to_cpu(hptep->r)); + hpte_v = hpte_get_old_v(hptep); /* * We need to invalidate the TLB always because hpte_remove doesn't do @@ -635,9 +627,7 @@ static void native_hugepage_invalidate(unsigned long vsid, hptep = htab_address + slot; want_v = hpte_encode_avpn(vpn, psize, ssize); native_lock_hpte(hptep); - hpte_v = be64_to_cpu(hptep->v); - if (cpu_has_feature(CPU_FTR_ARCH_300)) - hpte_v = hpte_new_to_old_v(hpte_v, be64_to_cpu(hptep->r)); + hpte_v = hpte_get_old_v(hptep); /* Even if we miss, we need to invalidate the TLB */ if (!HPTE_V_COMPARE(hpte_v, want_v) || !(hpte_v & HPTE_V_VALID)) @@ -813,10 +803,7 @@ static void native_flush_hash_range(unsigned long number, int local) hptep = htab_address + slot; want_v = hpte_encode_avpn(vpn, psize, ssize); native_lock_hpte(hptep); - hpte_v = be64_to_cpu(hptep->v); - if (cpu_has_feature(CPU_FTR_ARCH_300)) - hpte_v = hpte_new_to_old_v(hpte_v, - be64_to_cpu(hptep->r)); + hpte_v = hpte_get_old_v(hptep); if (!HPTE_V_COMPARE(hpte_v, want_v) || !(hpte_v & HPTE_V_VALID)) native_unlock_hpte(hptep); |