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-rw-r--r--arch/m68k/mm/cache.c25
-rw-r--r--arch/m68k/mm/init.c6
-rw-r--r--arch/m68k/mm/kmap.c1
-rw-r--r--arch/m68k/mm/memory.c1
-rw-r--r--arch/m68k/mm/motorola.c2
5 files changed, 4 insertions, 31 deletions
diff --git a/arch/m68k/mm/cache.c b/arch/m68k/mm/cache.c
index b486c0889eec..dde978e66f14 100644
--- a/arch/m68k/mm/cache.c
+++ b/arch/m68k/mm/cache.c
@@ -49,24 +49,7 @@ static unsigned long virt_to_phys_slow(unsigned long vaddr)
if (mmusr & MMU_R_040)
return (mmusr & PAGE_MASK) | (vaddr & ~PAGE_MASK);
} else {
- unsigned short mmusr;
- unsigned long *descaddr;
-
- asm volatile ("ptestr %3,%2@,#7,%0\n\t"
- "pmove %%psr,%1"
- : "=a&" (descaddr), "=m" (mmusr)
- : "a" (vaddr), "d" (get_fs().seg));
- if (mmusr & (MMU_I|MMU_B|MMU_L))
- return 0;
- descaddr = phys_to_virt((unsigned long)descaddr);
- switch (mmusr & MMU_NUM) {
- case 1:
- return (*descaddr & 0xfe000000) | (vaddr & 0x01ffffff);
- case 2:
- return (*descaddr & 0xfffc0000) | (vaddr & 0x0003ffff);
- case 3:
- return (*descaddr & PAGE_MASK) | (vaddr & ~PAGE_MASK);
- }
+ WARN_ON_ONCE(!CPU_IS_040_OR_060);
}
return 0;
}
@@ -107,11 +90,9 @@ void flush_icache_user_range(unsigned long address, unsigned long endaddr)
void flush_icache_range(unsigned long address, unsigned long endaddr)
{
- mm_segment_t old_fs = get_fs();
-
- set_fs(KERNEL_DS);
+ set_fc(SUPER_DATA);
flush_icache_user_range(address, endaddr);
- set_fs(old_fs);
+ set_fc(USER_DATA);
}
EXPORT_SYMBOL(flush_icache_range);
diff --git a/arch/m68k/mm/init.c b/arch/m68k/mm/init.c
index 5d749e188246..1b47bec15832 100644
--- a/arch/m68k/mm/init.c
+++ b/arch/m68k/mm/init.c
@@ -72,12 +72,6 @@ void __init paging_init(void)
if (!empty_zero_page)
panic("%s: Failed to allocate %lu bytes align=0x%lx\n",
__func__, PAGE_SIZE, PAGE_SIZE);
-
- /*
- * Set up SFC/DFC registers (user data space).
- */
- set_fs (USER_DS);
-
max_zone_pfn[ZONE_DMA] = end_mem >> PAGE_SHIFT;
free_area_init(max_zone_pfn);
}
diff --git a/arch/m68k/mm/kmap.c b/arch/m68k/mm/kmap.c
index 1269d513b221..20ddf71b43d0 100644
--- a/arch/m68k/mm/kmap.c
+++ b/arch/m68k/mm/kmap.c
@@ -17,7 +17,6 @@
#include <linux/vmalloc.h>
#include <asm/setup.h>
-#include <asm/segment.h>
#include <asm/page.h>
#include <asm/io.h>
#include <asm/tlbflush.h>
diff --git a/arch/m68k/mm/memory.c b/arch/m68k/mm/memory.c
index fe75aecfb238..c2c03b0a1567 100644
--- a/arch/m68k/mm/memory.c
+++ b/arch/m68k/mm/memory.c
@@ -15,7 +15,6 @@
#include <linux/gfp.h>
#include <asm/setup.h>
-#include <asm/segment.h>
#include <asm/page.h>
#include <asm/traps.h>
#include <asm/machdep.h>
diff --git a/arch/m68k/mm/motorola.c b/arch/m68k/mm/motorola.c
index 3a653f0a4188..9f3f77785aa7 100644
--- a/arch/m68k/mm/motorola.c
+++ b/arch/m68k/mm/motorola.c
@@ -467,7 +467,7 @@ void __init paging_init(void)
/*
* Set up SFC/DFC registers
*/
- set_fs(KERNEL_DS);
+ set_fc(USER_DATA);
#ifdef DEBUG
printk ("before free_area_init\n");