sparc atomicity patches reverted

[David Miller]

The sparc64 one doesn't even compile, please fix this up and resubmit,
thank you.  I'd like you to redo the 32-bit sparc patch too.

Please, I recommend that you use {sec,clear,etc.}_ti_thread_flag() in
this and the 32-bit sparc TI_USEDFPU patch, instead of the task
versions which could add an unnecessary pointer dereference to go from
tsk to the thread_info.

It is likely that had you used the thread based flag helpers from the
start, you would not have created this build failure.

Thanks again.

--------------------
arch/sparc64/kernel/process.c: In function $,1rx(Bflush_thread$,1ry(B:
arch/sparc64/kernel/process.c:416: error: $,1rx(Btsk$,1ry(B undeclared (first use in this function)
arch/sparc64/kernel/process.c:416: error: (Each undeclared identifier is reported only once
arch/sparc64/kernel/process.c:416: error: for each function it appears in.)
--------------------
diff --git a/arch/sparc64/kernel/process.c b/arch/sparc64/kernel/process.c
index 7d75cd4..646ace4 100644
--- a/arch/sparc64/kernel/process.c
+++ b/arch/sparc64/kernel/process.c
@@ -413,8 +413,13 @@ void flush_thread(void)
 	struct thread_info *t = current_thread_info();
 	struct mm_struct *mm;
 
-	if (t->flags & _TIF_ABI_PENDING)
-		t->flags ^= (_TIF_ABI_PENDING | _TIF_32BIT);
+	if (test_tsk_thread_flag(tsk, TIF_ABI_PENDING)) {
+		clear_tsk_thread_flag(tsk, TIF_ABI_PENDING);
+		if (test_tsk_thread_flag(tsk, TIF_32BIT))
+			clear_tsk_thread_flag(tsk, TIF_32BIT);
+		else
+			set_tsk_thread_flag(tsk, TIF_32BIT);
+	}
 
 	mm = t->task->mm;
 	if (mm)
-- 
1.5.0

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