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authorNicholas Piggin <npiggin@gmail.com>2021-01-30 14:08:47 +0100
committerMichael Ellerman <mpe@ellerman.id.au>2021-02-08 14:10:49 +0100
commit2994e1babfc477a3101ec6841b9dc5b770c1ec18 (patch)
tree6241716dd17881482b9877ee39e7fc4acd065a17 /arch/powerpc/include/asm/cputime.h
parentpowerpc/64s: reconcile interrupts in C (diff)
downloadlinux-2994e1babfc477a3101ec6841b9dc5b770c1ec18.tar.xz
linux-2994e1babfc477a3101ec6841b9dc5b770c1ec18.zip
powerpc/64: move account_stolen_time into its own function
This will be used by interrupt entry as well. Signed-off-by: Nicholas Piggin <npiggin@gmail.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20210130130852.2952424-38-npiggin@gmail.com
Diffstat (limited to 'arch/powerpc/include/asm/cputime.h')
-rw-r--r--arch/powerpc/include/asm/cputime.h14
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/cputime.h b/arch/powerpc/include/asm/cputime.h
index ed75d1c318e3..504f7fe6711a 100644
--- a/arch/powerpc/include/asm/cputime.h
+++ b/arch/powerpc/include/asm/cputime.h
@@ -87,6 +87,17 @@ 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 (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 +107,8 @@ 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 */