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authorDavid Howells <dhowells@redhat.com>2010-10-27 17:29:01 +0100
committerDavid Howells <dhowells@redhat.com>2010-10-27 17:29:01 +0100
commit7c7fcf762e405eb040ee10d22d656a791f616122 (patch)
tree2ec4f320fe2d348ffbdab6aebc9a36bcbf13da34 /arch/mn10300/include/asm/ptrace.h
parenta5e03ca2fd57a5823b759981bff8d19b46ddad4d (diff)
MN10300: Save frame pointer in thread_info struct rather than global var
Save the current exception frame pointer in the thread_info struct rather than in a global variable as the latter makes SMP tricky, especially when preemption is also enabled. This also replaces __frame with current_frame() and rearranges header file inclusions to make it all compile. Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Akira Takeuchi <takeuchi.akr@jp.panasonic.com>
Diffstat (limited to 'arch/mn10300/include/asm/ptrace.h')
-rw-r--r--arch/mn10300/include/asm/ptrace.h6
1 files changed, 0 insertions, 6 deletions
diff --git a/arch/mn10300/include/asm/ptrace.h b/arch/mn10300/include/asm/ptrace.h
index c2b77bd3064a..b6961811d445 100644
--- a/arch/mn10300/include/asm/ptrace.h
+++ b/arch/mn10300/include/asm/ptrace.h
@@ -86,12 +86,6 @@ struct pt_regs {
#ifdef __KERNEL__
-#ifdef CONFIG_SMP
-extern struct pt_regs *___frame[]; /* current frame pointer */
-#else
-extern struct pt_regs *__frame; /* current frame pointer */
-#endif
-
#define user_mode(regs) (((regs)->epsw & EPSW_nSL) == EPSW_nSL)
#define instruction_pointer(regs) ((regs)->pc)
#define user_stack_pointer(regs) ((regs)->sp)