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authorLinus Torvalds <torvalds@linux-foundation.org>2012-08-03 10:52:41 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2012-08-03 10:52:41 -0700
commit587a9e1f95794c05419d3bdb4c409a3274849f93 (patch)
tree0c0e8041fbfa45210345ee58e47f329955e65692 /arch/m68k/kernel
parent0d7614f09c1ebdbaa1599a5aba7593f147bf96ee (diff)
parent9e2760d18b3cf179534bbc27692c84879c61b97c (diff)
downloadlinux-587a9e1f95794c05419d3bdb4c409a3274849f93.tar.gz
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k
Pull m68k updates from Geert Uytterhoeven.

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k:
  m68k: Make sys_atomic_cmpxchg_32 work on classic m68k
  m68k/apollo: Rename "timer" to "apollo_timer"
  zorro: Remove unused zorro_bus.devices
  m68k: Remove never used asm/shm.h
  m68k/sun3: Remove unselectable code in prom_init()
  m68k: Use asm-generic version of <asm/sections.h>
  m68k: Replace m68k-specific _[se]bss by generic __bss_{start,stop}
  mtd/uclinux: Use generic __bss_stop instead of _ebss
  m68knommu: Allow ColdFire CPUs to use unaligned accesses
  m68k: Remove five unused headers
  m68k: CPU32 does not support unaligned accesses
  m68k: Introduce config option CPU_HAS_NO_UNALIGNED
  m68k: delay, muldi3 - Use CONFIG_CPU_HAS_NO_MULDIV64
  m68k: Move CPU_HAS_* config options
  m68k: Remove duplicate FPU config option
  m68knommu: Clean up printing of sections
  m68k: Use asm-generic version of <asm/types.h>
  m68k: Use Kbuild logic to import asm-generic headers
Diffstat (limited to 'arch/m68k/kernel')
-rw-r--r--arch/m68k/kernel/setup_no.c11
-rw-r--r--arch/m68k/kernel/sys_m68k.c8
-rw-r--r--arch/m68k/kernel/vmlinux-nommu.lds2
-rw-r--r--arch/m68k/kernel/vmlinux-std.lds2
-rw-r--r--arch/m68k/kernel/vmlinux-sun3.lds2
5 files changed, 10 insertions, 15 deletions
diff --git a/arch/m68k/kernel/setup_no.c b/arch/m68k/kernel/setup_no.c
index 7dc186b7a85f..71fb29938dba 100644
--- a/arch/m68k/kernel/setup_no.c
+++ b/arch/m68k/kernel/setup_no.c
@@ -218,13 +218,10 @@ void __init setup_arch(char **cmdline_p)
 	printk(KERN_INFO "Motorola M5235EVB support (C)2005 Syn-tech Systems, Inc. (Jate Sujjavanich)\n");
 #endif
 
-	pr_debug("KERNEL -> TEXT=0x%06x-0x%06x DATA=0x%06x-0x%06x "
-		 "BSS=0x%06x-0x%06x\n", (int) &_stext, (int) &_etext,
-		 (int) &_sdata, (int) &_edata,
-		 (int) &_sbss, (int) &_ebss);
-	pr_debug("MEMORY -> ROMFS=0x%06x-0x%06x MEM=0x%06x-0x%06x\n ",
-		 (int) &_ebss, (int) memory_start,
-		 (int) memory_start, (int) memory_end);
+	pr_debug("KERNEL -> TEXT=0x%p-0x%p DATA=0x%p-0x%p BSS=0x%p-0x%p\n",
+		 _stext, _etext, _sdata, _edata, __bss_start, __bss_stop);
+	pr_debug("MEMORY -> ROMFS=0x%p-0x%06lx MEM=0x%06lx-0x%06lx\n ",
+		 __bss_stop, memory_start, memory_start, memory_end);
 
 	/* Keep a copy of command line */
 	*cmdline_p = &command_line[0];
diff --git a/arch/m68k/kernel/sys_m68k.c b/arch/m68k/kernel/sys_m68k.c
index 8623f8dc16f8..9a5932ec3689 100644
--- a/arch/m68k/kernel/sys_m68k.c
+++ b/arch/m68k/kernel/sys_m68k.c
@@ -479,9 +479,13 @@ sys_atomic_cmpxchg_32(unsigned long newval, int oldval, int d3, int d4, int d5,
 			goto bad_access;
 		}
 
-		mem_value = *mem;
+		/*
+		 * No need to check for EFAULT; we know that the page is
+		 * present and writable.
+		 */
+		__get_user(mem_value, mem);
 		if (mem_value == oldval)
-			*mem = newval;
+			__put_user(newval, mem);
 
 		pte_unmap_unlock(pte, ptl);
 		up_read(&mm->mmap_sem);
diff --git a/arch/m68k/kernel/vmlinux-nommu.lds b/arch/m68k/kernel/vmlinux-nommu.lds
index 40e02d9c38b4..06a763f49fd3 100644
--- a/arch/m68k/kernel/vmlinux-nommu.lds
+++ b/arch/m68k/kernel/vmlinux-nommu.lds
@@ -78,9 +78,7 @@ SECTIONS {
 		__init_end = .;
 	}
 
-	_sbss = .;
 	BSS_SECTION(0, 0, 0)
-	_ebss = .;
 
 	_end = .;
 
diff --git a/arch/m68k/kernel/vmlinux-std.lds b/arch/m68k/kernel/vmlinux-std.lds
index 63407c836826..d0993594f558 100644
--- a/arch/m68k/kernel/vmlinux-std.lds
+++ b/arch/m68k/kernel/vmlinux-std.lds
@@ -31,9 +31,7 @@ SECTIONS
 
   RW_DATA_SECTION(16, PAGE_SIZE, THREAD_SIZE)
 
-  _sbss = .;
   BSS_SECTION(0, 0, 0)
-  _ebss = .;
 
   _edata = .;			/* End of data section */
 
diff --git a/arch/m68k/kernel/vmlinux-sun3.lds b/arch/m68k/kernel/vmlinux-sun3.lds
index ad0f46d64c0b..8080469ee6c1 100644
--- a/arch/m68k/kernel/vmlinux-sun3.lds
+++ b/arch/m68k/kernel/vmlinux-sun3.lds
@@ -44,9 +44,7 @@ __init_begin = .;
 	. = ALIGN(PAGE_SIZE);
 	__init_end = .;
 
-  _sbss = .;
   BSS_SECTION(0, 0, 0)
-  _ebss = .;
 
   _end = . ;