From 4e67bfd7aa21b4b737a43df627956dba9c742983 Mon Sep 17 00:00:00 2001 From: Christophe Leroy <christophe.leroy@c-s.fr> Date: Thu, 17 Jan 2019 23:25:53 +1100 Subject: [PATCH] powerpc: Update comments in preparation for THREAD_INFO_IN_TASK Update a few comments that talk about current_thread_info() in preparation for THREAD_INFO_IN_TASK. Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr> Reviewed-by: Nicholas Piggin <npiggin@gmail.com> [mpe: Split out of larger patch] Signed-off-by: Michael Ellerman <mpe@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 c25880e6a16af..c5b2aff0ce8e1 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 e07cfd5756d98..2112805ef1d1e 100644 --- a/arch/powerpc/kernel/head_32.S +++ b/arch/powerpc/kernel/head_32.S @@ -831,7 +831,7 @@ __secondary_start: 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@ha tophys(r1,r1) lwz r1,secondary_ti@l(r1) diff --git a/arch/powerpc/kernel/head_44x.S b/arch/powerpc/kernel/head_44x.S index bf23c19c92d6a..4e8c8bf504139 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@ha lwz r1,secondary_ti@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 42d8d6fc00cb2..6301bb24889a3 100644 --- a/arch/powerpc/kernel/head_fsl_booke.S +++ b/arch/powerpc/kernel/head_fsl_booke.S @@ -1091,7 +1091,7 @@ __secondary_start: mr r4,r24 /* Why? */ bl call_setup_cpu - /* get current_thread_info and current */ + /* get current's stack and current */ lis r1,secondary_ti@ha lwz r1,secondary_ti@l(r1) lwz r2,TI_TASK(r1)