locking, ARM: Annotate low level hw locks as raw

Annotate the low level hardware locks which must not be preempted.

In mainline this change documents the low level nature of
the lock - otherwise there's no functional difference. Lockdep
and Sparse checking will work as usual.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 3 insertions, 3 deletions

diff --git a/arch/arm/mm/copypage-xscale.c b/arch/arm/mm/copypage-xscale.c
index 649bbcd325bf..610c24ced310 100644
--- a/arch/arm/mm/copypage-xscale.c
+++ b/arch/arm/mm/copypage-xscale.c
@@ -32,7 +32,7 @@
 #define minicache_pgprot __pgprot(L_PTE_PRESENT | L_PTE_YOUNG | \
                                   L_PTE_MT_MINICACHE)
 
-static DEFINE_SPINLOCK(minicache_lock);
+static DEFINE_RAW_SPINLOCK(minicache_lock);
 
 /*
  * XScale mini-dcache optimised copy_user_highpage
@@ -98,14 +98,14 @@ void xscale_mc_copy_user_highpage(struct page *to, struct page *from,
         if (!test_and_set_bit(PG_dcache_clean, &from->flags))
                 __flush_dcache_page(page_mapping(from), from);
 
-        spin_lock(&minicache_lock);
+        raw_spin_lock(&minicache_lock);
 
         set_pte_ext(TOP_PTE(COPYPAGE_MINICACHE), pfn_pte(page_to_pfn(from), minicache_pgprot), 0);
         flush_tlb_kernel_page(COPYPAGE_MINICACHE);
 
         mc_copy_user_page((void *)COPYPAGE_MINICACHE, kto);
 
-        spin_unlock(&minicache_lock);
+        raw_spin_unlock(&minicache_lock);
 
         kunmap_atomic(kto, KM_USER1);
 }