Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rkuo/linux-hexagon-kernel
Pull arch/hexagon updates from Richard Kuo:
"Build cleanup and a few misc fixes"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rkuo/linux-hexagon-kernel:
Hexagon: fix signal delivery for debug traps
Hexagon: set ARCH_DMA_MINALIGN
Hexagon: fix alignment of init_task in RW_DATA_SECTION
hexagon: Fix build failures in linux-next
diff --git a/arch/hexagon/include/asm/cache.h b/arch/hexagon/include/asm/cache.h
index 2635117..69952c1 100644
--- a/arch/hexagon/include/asm/cache.h
+++ b/arch/hexagon/include/asm/cache.h
@@ -1,7 +1,7 @@
/*
* Cache definitions for the Hexagon architecture
*
- * Copyright (c) 2010-2011, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2010-2011,2014 The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
@@ -25,6 +25,8 @@
#define L1_CACHE_SHIFT (5)
#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
+#define ARCH_DMA_MINALIGN L1_CACHE_BYTES
+
#define __cacheline_aligned __aligned(L1_CACHE_BYTES)
#define ____cacheline_aligned __aligned(L1_CACHE_BYTES)
diff --git a/arch/hexagon/include/asm/cacheflush.h b/arch/hexagon/include/asm/cacheflush.h
index 49e0896..b86f9f3 100644
--- a/arch/hexagon/include/asm/cacheflush.h
+++ b/arch/hexagon/include/asm/cacheflush.h
@@ -21,10 +21,7 @@
#ifndef _ASM_CACHEFLUSH_H
#define _ASM_CACHEFLUSH_H
-#include <linux/cache.h>
-#include <linux/mm.h>
-#include <asm/string.h>
-#include <asm-generic/cacheflush.h>
+#include <linux/mm_types.h>
/* Cache flushing:
*
@@ -41,6 +38,20 @@
#define LINESIZE 32
#define LINEBITS 5
+#define flush_cache_all() do { } while (0)
+#define flush_cache_mm(mm) do { } while (0)
+#define flush_cache_dup_mm(mm) do { } while (0)
+#define flush_cache_range(vma, start, end) do { } while (0)
+#define flush_cache_page(vma, vmaddr, pfn) do { } while (0)
+#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 0
+#define flush_dcache_page(page) do { } while (0)
+#define flush_dcache_mmap_lock(mapping) do { } while (0)
+#define flush_dcache_mmap_unlock(mapping) do { } while (0)
+#define flush_icache_page(vma, pg) do { } while (0)
+#define flush_icache_user_range(vma, pg, adr, len) do { } while (0)
+#define flush_cache_vmap(start, end) do { } while (0)
+#define flush_cache_vunmap(start, end) do { } while (0)
+
/*
* Flush Dcache range through current map.
*/
@@ -49,7 +60,6 @@
/*
* Flush Icache range through current map.
*/
-#undef flush_icache_range
extern void flush_icache_range(unsigned long start, unsigned long end);
/*
@@ -79,19 +89,11 @@
/* generic_ptrace_pokedata doesn't wind up here, does it? */
}
-#undef copy_to_user_page
-static inline void copy_to_user_page(struct vm_area_struct *vma,
- struct page *page,
- unsigned long vaddr,
- void *dst, void *src, int len)
-{
- memcpy(dst, src, len);
- if (vma->vm_flags & VM_EXEC) {
- flush_icache_range((unsigned long) dst,
- (unsigned long) dst + len);
- }
-}
+void copy_to_user_page(struct vm_area_struct *vma, struct page *page,
+ unsigned long vaddr, void *dst, void *src, int len);
+#define copy_from_user_page(vma, page, vaddr, dst, src, len) \
+ memcpy(dst, src, len)
extern void hexagon_inv_dcache_range(unsigned long start, unsigned long end);
extern void hexagon_clean_dcache_range(unsigned long start, unsigned long end);
diff --git a/arch/hexagon/include/asm/io.h b/arch/hexagon/include/asm/io.h
index 7029899..66f5e9a 100644
--- a/arch/hexagon/include/asm/io.h
+++ b/arch/hexagon/include/asm/io.h
@@ -24,14 +24,9 @@
#ifdef __KERNEL__
#include <linux/types.h>
-#include <linux/delay.h>
-#include <linux/vmalloc.h>
-#include <asm/string.h>
-#include <asm/mem-layout.h>
#include <asm/iomap.h>
#include <asm/page.h>
#include <asm/cacheflush.h>
-#include <asm/tlbflush.h>
/*
* We don't have PCI yet.
diff --git a/arch/hexagon/kernel/setup.c b/arch/hexagon/kernel/setup.c
index 0e7c1db..6981949 100644
--- a/arch/hexagon/kernel/setup.c
+++ b/arch/hexagon/kernel/setup.c
@@ -19,6 +19,7 @@
*/
#include <linux/init.h>
+#include <linux/delay.h>
#include <linux/bootmem.h>
#include <linux/mmzone.h>
#include <linux/mm.h>
diff --git a/arch/hexagon/kernel/traps.c b/arch/hexagon/kernel/traps.c
index 7858663..110dab1 100644
--- a/arch/hexagon/kernel/traps.c
+++ b/arch/hexagon/kernel/traps.c
@@ -1,7 +1,7 @@
/*
* Kernel traps/events for Hexagon processor
*
- * Copyright (c) 2010-2013, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2010-2014, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
@@ -423,7 +423,7 @@
*/
info.si_code = TRAP_BRKPT;
info.si_addr = (void __user *) pt_elr(regs);
- send_sig_info(SIGTRAP, &info, current);
+ force_sig_info(SIGTRAP, &info, current);
} else {
#ifdef CONFIG_KGDB
kgdb_handle_exception(pt_cause(regs), SIGTRAP,
diff --git a/arch/hexagon/kernel/vmlinux.lds.S b/arch/hexagon/kernel/vmlinux.lds.S
index 44d8c47..5f268c1 100644
--- a/arch/hexagon/kernel/vmlinux.lds.S
+++ b/arch/hexagon/kernel/vmlinux.lds.S
@@ -1,7 +1,7 @@
/*
* Linker script for Hexagon kernel
*
- * Copyright (c) 2010-2013, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2010-2014, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
@@ -59,7 +59,7 @@
INIT_DATA_SECTION(PAGE_SIZE)
_sdata = .;
- RW_DATA_SECTION(32,PAGE_SIZE,PAGE_SIZE)
+ RW_DATA_SECTION(32,PAGE_SIZE,_THREAD_SIZE)
RO_DATA_SECTION(PAGE_SIZE)
_edata = .;
diff --git a/arch/hexagon/mm/cache.c b/arch/hexagon/mm/cache.c
index 0c76c80..a7c6d82 100644
--- a/arch/hexagon/mm/cache.c
+++ b/arch/hexagon/mm/cache.c
@@ -127,3 +127,13 @@
local_irq_restore(flags);
mb();
}
+
+void copy_to_user_page(struct vm_area_struct *vma, struct page *page,
+ unsigned long vaddr, void *dst, void *src, int len)
+{
+ memcpy(dst, src, len);
+ if (vma->vm_flags & VM_EXEC) {
+ flush_icache_range((unsigned long) dst,
+ (unsigned long) dst + len);
+ }
+}
diff --git a/arch/hexagon/mm/ioremap.c b/arch/hexagon/mm/ioremap.c
index 5905fd5..d27d672 100644
--- a/arch/hexagon/mm/ioremap.c
+++ b/arch/hexagon/mm/ioremap.c
@@ -20,6 +20,7 @@
#include <linux/io.h>
#include <linux/vmalloc.h>
+#include <linux/mm.h>
void __iomem *ioremap_nocache(unsigned long phys_addr, unsigned long size)
{
