diff options
Diffstat (limited to 'arch/arc/include/asm')
-rw-r--r-- | arch/arc/include/asm/Kbuild | 1 | ||||
-rw-r--r-- | arch/arc/include/asm/cache.h | 3 | ||||
-rw-r--r-- | arch/arc/include/asm/cacheflush.h | 1 | ||||
-rw-r--r-- | arch/arc/include/asm/pgtable.h | 3 | ||||
-rw-r--r-- | arch/arc/include/asm/shmparam.h | 18 |
5 files changed, 22 insertions, 4 deletions
diff --git a/arch/arc/include/asm/Kbuild b/arch/arc/include/asm/Kbuild index 48af742f8b5a..d8dd660898b9 100644 --- a/arch/arc/include/asm/Kbuild +++ b/arch/arc/include/asm/Kbuild @@ -32,7 +32,6 @@ generic-y += resource.h generic-y += scatterlist.h generic-y += sembuf.h generic-y += shmbuf.h -generic-y += shmparam.h generic-y += siginfo.h generic-y += socket.h generic-y += sockios.h diff --git a/arch/arc/include/asm/cache.h b/arch/arc/include/asm/cache.h index 6632273861fd..d5555fe4742a 100644 --- a/arch/arc/include/asm/cache.h +++ b/arch/arc/include/asm/cache.h @@ -55,9 +55,6 @@ : "r"(data), "r"(ptr)); \ }) -/* used to give SHMLBA a value to avoid Cache Aliasing */ -extern unsigned int ARC_shmlba; - #define ARCH_DMA_MINALIGN L1_CACHE_BYTES /* diff --git a/arch/arc/include/asm/cacheflush.h b/arch/arc/include/asm/cacheflush.h index 14a0fea0029e..9f841af41092 100644 --- a/arch/arc/include/asm/cacheflush.h +++ b/arch/arc/include/asm/cacheflush.h @@ -19,6 +19,7 @@ #define _ASM_CACHEFLUSH_H #include <linux/mm.h> +#include <asm/shmparam.h> /* * Semantically we need this because icache doesn't snoop dcache/dma. diff --git a/arch/arc/include/asm/pgtable.h b/arch/arc/include/asm/pgtable.h index b7e36684c091..1cc4720faccb 100644 --- a/arch/arc/include/asm/pgtable.h +++ b/arch/arc/include/asm/pgtable.h @@ -395,6 +395,9 @@ void update_mmu_cache(struct vm_area_struct *vma, unsigned long address, #include <asm-generic/pgtable.h> +/* to cope with aliasing VIPT cache */ +#define HAVE_ARCH_UNMAPPED_AREA + /* * No page table caches to initialise */ diff --git a/arch/arc/include/asm/shmparam.h b/arch/arc/include/asm/shmparam.h new file mode 100644 index 000000000000..fffeecc04270 --- /dev/null +++ b/arch/arc/include/asm/shmparam.h @@ -0,0 +1,18 @@ +/* + * Copyright (C) 2013 Synopsys, Inc. (www.synopsys.com) + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef __ARC_ASM_SHMPARAM_H +#define __ARC_ASM_SHMPARAM_H + +/* Handle upto 2 cache bins */ +#define SHMLBA (2 * PAGE_SIZE) + +/* Enforce SHMLBA in shmat */ +#define __ARCH_FORCE_SHMLBA + +#endif |