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Subject[RFC PATCH v1 09/41] powerpc/32: Entry cpu time accounting in C
Date
There is no need for this to be in asm,
use the new interrupt entry wrapper.

Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
---
arch/powerpc/include/asm/interrupt.h | 3 +++
arch/powerpc/include/asm/ppc_asm.h | 10 ----------
arch/powerpc/kernel/entry_32.S | 1 -
3 files changed, 3 insertions(+), 11 deletions(-)

diff --git a/arch/powerpc/include/asm/interrupt.h b/arch/powerpc/include/asm/interrupt.h
index 24671c43f930..e794111d7c03 100644
--- a/arch/powerpc/include/asm/interrupt.h
+++ b/arch/powerpc/include/asm/interrupt.h
@@ -19,6 +19,9 @@ static inline void interrupt_enter_prepare(struct pt_regs *regs, struct interrup
#ifdef CONFIG_PPC32
if (regs->msr & MSR_EE)
trace_hardirqs_off();
+
+ if (user_mode(regs))
+ account_cpu_user_entry();
#endif
/*
* Book3E reconciles irq soft mask in asm
diff --git a/arch/powerpc/include/asm/ppc_asm.h b/arch/powerpc/include/asm/ppc_asm.h
index 3dceb64fc9af..8998122fc7e2 100644
--- a/arch/powerpc/include/asm/ppc_asm.h
+++ b/arch/powerpc/include/asm/ppc_asm.h
@@ -23,18 +23,8 @@
*/

#ifndef CONFIG_VIRT_CPU_ACCOUNTING_NATIVE
-#define ACCOUNT_CPU_USER_ENTRY(ptr, ra, rb)
#define ACCOUNT_CPU_USER_EXIT(ptr, ra, rb)
#else
-#define ACCOUNT_CPU_USER_ENTRY(ptr, ra, rb) \
- MFTB(ra); /* get timebase */ \
- PPC_LL rb, ACCOUNT_STARTTIME_USER(ptr); \
- PPC_STL ra, ACCOUNT_STARTTIME(ptr); \
- subf rb,rb,ra; /* subtract start value */ \
- PPC_LL ra, ACCOUNT_USER_TIME(ptr); \
- add ra,ra,rb; /* add on to user time */ \
- PPC_STL ra, ACCOUNT_USER_TIME(ptr); \
-
#define ACCOUNT_CPU_USER_EXIT(ptr, ra, rb) \
MFTB(ra); /* get timebase */ \
PPC_LL rb, ACCOUNT_STARTTIME(ptr); \
diff --git a/arch/powerpc/kernel/entry_32.S b/arch/powerpc/kernel/entry_32.S
index 53fb16f21b07..87c06e241fc2 100644
--- a/arch/powerpc/kernel/entry_32.S
+++ b/arch/powerpc/kernel/entry_32.S
@@ -152,7 +152,6 @@ transfer_to_handler:
lwz r12,THREAD_DBCR0(r12)
andis. r12,r12,DBCR0_IDM@h
#endif
- ACCOUNT_CPU_USER_ENTRY(r2, r11, r12)
#ifdef CONFIG_PPC_BOOK3S_32
kuep_lock r11, r12
#endif
--
2.25.0
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