[PATCH v16 10/21] powerpc: Update comments in preparation for THREAD_INFO_IN_TASK

[Michael Ellerman]

From: Christophe Leroy <christophe.leroy at c-s.fr>

Update a few comments that talk about current_thread_info() in
preparation for THREAD_INFO_IN_TASK.

Signed-off-by: Christophe Leroy <christophe.leroy at c-s.fr>
Reviewed-by: Nicholas Piggin <npiggin at gmail.com>
[mpe: Split out of larger patch]
Signed-off-by: Michael Ellerman <mpe at ellerman.id.au>
---
 arch/powerpc/include/asm/reg.h       | 2 +-
 arch/powerpc/kernel/head_32.S        | 2 +-
 arch/powerpc/kernel/head_44x.S       | 2 +-
 arch/powerpc/kernel/head_fsl_booke.S | 2 +-
 4 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h
index 1c98ef1f2d5b..581e61db2dcf 100644
--- a/arch/powerpc/include/asm/reg.h
+++ b/arch/powerpc/include/asm/reg.h
@@ -1062,7 +1062,7 @@
  *	- SPRG9 debug exception scratch
  *
  * All 32-bit:
- *	- SPRG3 current thread_info pointer
+ *	- SPRG3 current thread_struct physical addr pointer
  *        (virtual on BookE, physical on others)
  *
  * 32-bit classic:
diff --git a/arch/powerpc/kernel/head_32.S b/arch/powerpc/kernel/head_32.S
index 9268e5e87949..8282d25948ae 100644
--- a/arch/powerpc/kernel/head_32.S
+++ b/arch/powerpc/kernel/head_32.S
@@ -845,7 +845,7 @@ _ENTRY(copy_and_flush)
 	bl	init_idle_6xx
 #endif /* CONFIG_PPC_BOOK3S_32 */
 
-	/* get current_thread_info and current */
+	/* get current's stack and current */
 	lis	r1,secondary_ti at ha
 	tophys(r1,r1)
 	lwz	r1,secondary_ti at l(r1)
diff --git a/arch/powerpc/kernel/head_44x.S b/arch/powerpc/kernel/head_44x.S
index bf23c19c92d6..4e8c8bf50413 100644
--- a/arch/powerpc/kernel/head_44x.S
+++ b/arch/powerpc/kernel/head_44x.S
@@ -1019,7 +1019,7 @@ _GLOBAL(start_secondary_47x)
 
 	/* Now we can get our task struct and real stack pointer */
 
-	/* Get current_thread_info and current */
+	/* Get current's stack and current */
 	lis	r1,secondary_ti at ha
 	lwz	r1,secondary_ti at l(r1)
 	lwz	r2,TI_TASK(r1)
diff --git a/arch/powerpc/kernel/head_fsl_booke.S b/arch/powerpc/kernel/head_fsl_booke.S
index 42d8d6fc00cb..6301bb24889a 100644
--- a/arch/powerpc/kernel/head_fsl_booke.S
+++ b/arch/powerpc/kernel/head_fsl_booke.S
@@ -1091,7 +1091,7 @@ _GLOBAL(set_context)
 	mr	r4,r24		/* Why? */
 	bl	call_setup_cpu
 
-	/* get current_thread_info and current */
+	/* get current's stack and current */
 	lis	r1,secondary_ti at ha
 	lwz	r1,secondary_ti at l(r1)
 	lwz	r2,TI_TASK(r1)
-- 
2.20.1