[PATCH v2 14/19] powerpc/64: move account_stolen_time into its own function
Nicholas Piggin
npiggin at gmail.com
Wed Nov 11 20:44:05 AEDT 2020
This will be used by interrupt entry as well.
Signed-off-by: Nicholas Piggin <npiggin at gmail.com>
---
arch/powerpc/include/asm/cputime.h | 15 +++++++++++++++
arch/powerpc/kernel/syscall_64.c | 10 +---------
2 files changed, 16 insertions(+), 9 deletions(-)
diff --git a/arch/powerpc/include/asm/cputime.h b/arch/powerpc/include/asm/cputime.h
index ed75d1c318e3..3f61604e1fcf 100644
--- a/arch/powerpc/include/asm/cputime.h
+++ b/arch/powerpc/include/asm/cputime.h
@@ -87,6 +87,18 @@ static notrace inline void account_cpu_user_exit(void)
acct->starttime_user = tb;
}
+static notrace inline void account_stolen_time(void)
+{
+#ifdef CONFIG_PPC_SPLPAR
+ if (IS_ENABLED(CONFIG_VIRT_CPU_ACCOUNTING_NATIVE) &&
+ firmware_has_feature(FW_FEATURE_SPLPAR)) {
+ struct lppaca *lp = local_paca->lppaca_ptr;
+
+ if (unlikely(local_paca->dtl_ridx != be64_to_cpu(lp->dtl_idx)))
+ accumulate_stolen_time();
+ }
+#endif
+}
#endif /* __KERNEL__ */
#else /* CONFIG_VIRT_CPU_ACCOUNTING_NATIVE */
@@ -96,5 +108,8 @@ static inline void account_cpu_user_entry(void)
static inline void account_cpu_user_exit(void)
{
}
+static notrace inline void account_stolen_time(void)
+{
+}
#endif /* CONFIG_VIRT_CPU_ACCOUNTING_NATIVE */
#endif /* __POWERPC_CPUTIME_H */
diff --git a/arch/powerpc/kernel/syscall_64.c b/arch/powerpc/kernel/syscall_64.c
index 5820a18672bc..672f2a796487 100644
--- a/arch/powerpc/kernel/syscall_64.c
+++ b/arch/powerpc/kernel/syscall_64.c
@@ -45,15 +45,7 @@ notrace long system_call_exception(long r3, long r4, long r5,
account_cpu_user_entry();
-#ifdef CONFIG_PPC_SPLPAR
- if (IS_ENABLED(CONFIG_VIRT_CPU_ACCOUNTING_NATIVE) &&
- firmware_has_feature(FW_FEATURE_SPLPAR)) {
- struct lppaca *lp = local_paca->lppaca_ptr;
-
- if (unlikely(local_paca->dtl_ridx != be64_to_cpu(lp->dtl_idx)))
- accumulate_stolen_time();
- }
-#endif
+ account_stolen_time();
/*
* This is not required for the syscall exit path, but makes the
--
2.23.0
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