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From: Nicholas Piggin <npiggin@gmail.com>
Cc: linuxppc-dev@lists.ozlabs.org, Nicholas Piggin <npiggin@gmail.com>
Subject: [RFC PATCH 07/12] powerpc/64: move account_stolen_time into its own function
Date: Sun,  6 Sep 2020 03:43:30 +1000	[thread overview]
Message-ID: <20200905174335.3161229-8-npiggin@gmail.com> (raw)
In-Reply-To: <20200905174335.3161229-1-npiggin@gmail.com>

This will be used by interrupt entry as well.

Signed-off-by: Nicholas Piggin <npiggin@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 58eec1c7fdb8..27595aee5777 100644
--- a/arch/powerpc/kernel/syscall_64.c
+++ b/arch/powerpc/kernel/syscall_64.c
@@ -44,15 +44,7 @@ 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


  parent reply	other threads:[~2020-09-05 18:07 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-05 17:43 [RFC PATCH 00/12] interrupt entry wrappers Nicholas Piggin
2020-09-05 17:43 ` [RFC PATCH 01/12] powerpc/64s: move the last of the page fault handling logic to C Nicholas Piggin
2020-09-05 17:43 ` [RFC PATCH 02/12] powerpc: remove arguments from interrupt handler functions Nicholas Piggin
2020-09-07  9:20   ` Christophe Leroy
2020-09-07 11:34     ` Christophe Leroy
2020-09-08  7:48       ` Nicholas Piggin
2020-09-08  8:29         ` Christophe Leroy
2020-09-08  8:50           ` Christophe Leroy
2020-09-08  7:46     ` Nicholas Piggin
2020-09-05 17:43 ` [RFC PATCH 03/12] powerpc: interrupt handler wrapper functions Nicholas Piggin
2020-09-05 17:43 ` [RFC PATCH 04/12] powerpc: add interrupt_cond_local_irq_enable helper Nicholas Piggin
2020-09-05 17:43 ` [RFC PATCH 05/12] powerpc/64s: Do context tracking in interrupt entry wrapper Nicholas Piggin
2020-09-05 17:43 ` [RFC PATCH 06/12] powerpc/64s: reconcile interrupts in C Nicholas Piggin
2020-09-05 17:43 ` Nicholas Piggin [this message]
2020-09-05 17:43 ` [RFC PATCH 08/12] powerpc/64: entry cpu time accounting " Nicholas Piggin
2020-09-05 17:43 ` [RFC PATCH 09/12] powerpc: move NMI entry/exit code into wrapper Nicholas Piggin
2020-09-07  8:25   ` Christophe Leroy
2020-09-05 17:43 ` [RFC PATCH 10/12] powerpc/64s: move NMI soft-mask handling to C Nicholas Piggin
2020-09-05 17:43 ` [RFC PATCH 11/12] powerpc/64s: runlatch interrupt handling in C Nicholas Piggin
2020-09-05 17:43 ` [RFC PATCH 12/12] powerpc/64s: power4 nap fixup " Nicholas Piggin
2020-09-06  7:32   ` Christophe Leroy
2020-09-07  4:02     ` Nicholas Piggin
2020-09-07  4:48       ` Christophe Leroy
2020-09-07 13:05         ` Nicholas Piggin

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