powerpc: Convert beat_htab_lock to raw_spinlock

beat_htab_lock needs to be a real spinlock in RT. Convert it to
raw_spinlock.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

1 files changed, 12 insertions, 12 deletions

diff --git a/arch/powerpc/platforms/cell/beat_htab.c b/arch/powerpc/platforms/cell/beat_htab.c
index 35b1ec492715..2516c1cf8467 100644
--- a/arch/powerpc/platforms/cell/beat_htab.c
+++ b/arch/powerpc/platforms/cell/beat_htab.c
@@ -40,7 +40,7 @@
 #define DBG_LOW(fmt...) do { } while (0)
 #endif
 
-static DEFINE_SPINLOCK(beat_htab_lock);
+static DEFINE_RAW_SPINLOCK(beat_htab_lock);
 
 static inline unsigned int beat_read_mask(unsigned hpte_group)
 {
@@ -114,18 +114,18 @@ static long beat_lpar_hpte_insert(unsigned long hpte_group,
         if (rflags & _PAGE_NO_CACHE)
                 hpte_r &= ~_PAGE_COHERENT;
 
-        spin_lock(&beat_htab_lock);
+        raw_spin_lock(&beat_htab_lock);
         lpar_rc = beat_read_mask(hpte_group);
         if (lpar_rc == 0) {
                 if (!(vflags & HPTE_V_BOLTED))
                         DBG_LOW(" full\n");
-                spin_unlock(&beat_htab_lock);
+                raw_spin_unlock(&beat_htab_lock);
                 return -1;
         }
 
         lpar_rc = beat_insert_htab_entry(0, hpte_group, lpar_rc << 48,
                 hpte_v, hpte_r, &slot);
-        spin_unlock(&beat_htab_lock);
+        raw_spin_unlock(&beat_htab_lock);
 
         /*
          * Since we try and ioremap PHBs we don't own, the pte insert
@@ -198,17 +198,17 @@ static long beat_lpar_hpte_updatepp(unsigned long slot,
                 "avpnv=%016lx, slot=%016lx, psize: %d, newpp %016lx ... ",
                 want_v & HPTE_V_AVPN, slot, psize, newpp);
 
-        spin_lock(&beat_htab_lock);
+        raw_spin_lock(&beat_htab_lock);
         dummy0 = beat_lpar_hpte_getword0(slot);
         if ((dummy0 & ~0x7FUL) != (want_v & ~0x7FUL)) {
                 DBG_LOW("not found !\n");
-                spin_unlock(&beat_htab_lock);
+                raw_spin_unlock(&beat_htab_lock);
                 return -1;
         }
 
         lpar_rc = beat_write_htab_entry(0, slot, 0, newpp, 0, 7, &dummy0,
                                         &dummy1);
-        spin_unlock(&beat_htab_lock);
+        raw_spin_unlock(&beat_htab_lock);
         if (lpar_rc != 0 || dummy0 == 0) {
                 DBG_LOW("not found !\n");
                 return -1;
@@ -262,13 +262,13 @@ static void beat_lpar_hpte_updateboltedpp(unsigned long newpp,
         vsid = get_kernel_vsid(ea, MMU_SEGSIZE_256M);
         va = (vsid << 28) | (ea & 0x0fffffff);
 
-        spin_lock(&beat_htab_lock);
+        raw_spin_lock(&beat_htab_lock);
         slot = beat_lpar_hpte_find(va, psize);
         BUG_ON(slot == -1);
 
         lpar_rc = beat_write_htab_entry(0, slot, 0, newpp, 0, 7,
                 &dummy0, &dummy1);
-        spin_unlock(&beat_htab_lock);
+        raw_spin_unlock(&beat_htab_lock);
 
         BUG_ON(lpar_rc != 0);
 }
@@ -285,18 +285,18 @@ static void beat_lpar_hpte_invalidate(unsigned long slot, unsigned long va,
                 slot, va, psize, local);
         want_v = hpte_encode_v(va, psize, MMU_SEGSIZE_256M);
 
-        spin_lock_irqsave(&beat_htab_lock, flags);
+        raw_spin_lock_irqsave(&beat_htab_lock, flags);
         dummy1 = beat_lpar_hpte_getword0(slot);
 
         if ((dummy1 & ~0x7FUL) != (want_v & ~0x7FUL)) {
                 DBG_LOW("not found !\n");
-                spin_unlock_irqrestore(&beat_htab_lock, flags);
+                raw_spin_unlock_irqrestore(&beat_htab_lock, flags);
                 return;
         }
 
         lpar_rc = beat_write_htab_entry(0, slot, 0, 0, HPTE_V_VALID, 0,
                 &dummy1, &dummy2);
-        spin_unlock_irqrestore(&beat_htab_lock, flags);
+        raw_spin_unlock_irqrestore(&beat_htab_lock, flags);
 
         BUG_ON(lpar_rc != 0);
 }