diff options
Diffstat (limited to 'arch/tile/lib')
| -rw-r--r-- | arch/tile/lib/memcpy_tile64.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/arch/tile/lib/memcpy_tile64.c b/arch/tile/lib/memcpy_tile64.c index 3bc4b4e40d93..0290c222847b 100644 --- a/arch/tile/lib/memcpy_tile64.c +++ b/arch/tile/lib/memcpy_tile64.c @@ -65,7 +65,7 @@ static void memcpy_multicache(void *dest, const void *source, pmd_t *pmdp; pte_t *ptep; int type0, type1; - int cpu = get_cpu(); + int cpu = smp_processor_id(); /* * Disable interrupts so that we don't recurse into memcpy() @@ -126,7 +126,6 @@ static void memcpy_multicache(void *dest, const void *source, kmap_atomic_idx_pop(); sim_allow_multiple_caching(0); local_irq_restore(flags); - put_cpu(); } /* @@ -137,6 +136,9 @@ static void memcpy_multicache(void *dest, const void *source, static unsigned long fast_copy(void *dest, const void *source, int len, memcpy_t func) { + int cpu = get_cpu(); + unsigned long retval; + /* * Check if it's big enough to bother with. We may end up doing a * small copy via TLB manipulation if we're near a page boundary, @@ -158,7 +160,7 @@ retry_source: !hv_pte_get_readable(src_pte) || hv_pte_get_mode(src_pte) != HV_PTE_MODE_CACHE_TILE_L3) break; - if (get_remote_cache_cpu(src_pte) == smp_processor_id()) + if (get_remote_cache_cpu(src_pte) == cpu) break; src_page = pfn_to_page(pte_pfn(src_pte)); get_page(src_page); @@ -235,7 +237,9 @@ retry_dest: len -= copy_size; } - return func(dest, source, len); + retval = func(dest, source, len); + put_cpu(); + return retval; } void *memcpy(void *to, const void *from, __kernel_size_t n) |