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authorRob Herring <robh@kernel.org>2015-03-10 09:03:04 -0500
committerRob Herring <robh@kernel.org>2015-03-10 09:03:04 -0500
commit2c192699a7050ef5bdf1e2cc95fdddfbcf524509 (patch)
tree945d4553691ecb24151a2fa83b7d489665dd3248 /arch/arc/include/asm/processor.h
parent25e8f336e535d10c30216e1ba330fbea98dfccc5 (diff)
parent9eccca0843205f87c00404b663188b88eb248051 (diff)
Merge tag 'v4.0-rc3' into HEAD
Linux 4.0-rc3 Merging in v4.0-rc3 because commit 30a22c215a00 (console: Fix console name size mismatch) is a dependency.
Diffstat (limited to 'arch/arc/include/asm/processor.h')
-rw-r--r--arch/arc/include/asm/processor.h14
1 files changed, 7 insertions, 7 deletions
diff --git a/arch/arc/include/asm/processor.h b/arch/arc/include/asm/processor.h
index 4e547296831d..52312cb5dbe2 100644
--- a/arch/arc/include/asm/processor.h
+++ b/arch/arc/include/asm/processor.h
@@ -47,9 +47,6 @@ struct thread_struct {
/* Forward declaration, a strange C thing */
struct task_struct;
-/* Return saved PC of a blocked thread */
-unsigned long thread_saved_pc(struct task_struct *t);
-
#define task_pt_regs(p) \
((struct pt_regs *)(THREAD_SIZE + (void *)task_stack_page(p)) - 1)
@@ -72,18 +69,21 @@ unsigned long thread_saved_pc(struct task_struct *t);
#define release_segments(mm) do { } while (0)
#define KSTK_EIP(tsk) (task_pt_regs(tsk)->ret)
+#define KSTK_ESP(tsk) (task_pt_regs(tsk)->sp)
/*
* Where abouts of Task's sp, fp, blink when it was last seen in kernel mode.
* Look in process.c for details of kernel stack layout
*/
-#define KSTK_ESP(tsk) (tsk->thread.ksp)
+#define TSK_K_ESP(tsk) (tsk->thread.ksp)
-#define KSTK_REG(tsk, off) (*((unsigned int *)(KSTK_ESP(tsk) + \
+#define TSK_K_REG(tsk, off) (*((unsigned int *)(TSK_K_ESP(tsk) + \
sizeof(struct callee_regs) + off)))
-#define KSTK_BLINK(tsk) KSTK_REG(tsk, 4)
-#define KSTK_FP(tsk) KSTK_REG(tsk, 0)
+#define TSK_K_BLINK(tsk) TSK_K_REG(tsk, 4)
+#define TSK_K_FP(tsk) TSK_K_REG(tsk, 0)
+
+#define thread_saved_pc(tsk) TSK_K_BLINK(tsk)
extern void start_thread(struct pt_regs * regs, unsigned long pc,
unsigned long usp);