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2024-02-19 1c055e55a242a33e574e48be530e06770a210dcd

 kernel/arch/ia64/include/asm/switch_to.h
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@@ -31,16 +31,8 @@
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 extern void ia64_save_extra (struct task_struct *task);
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 extern void ia64_load_extra (struct task_struct *task);
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-#ifdef CONFIG_PERFMON
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-  DECLARE_PER_CPU(unsigned long, pfm_syst_info);
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-# define PERFMON_IS_SYSWIDE() (__this_cpu_read(pfm_syst_info) & 0x1)
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-#else
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-# define PERFMON_IS_SYSWIDE() (0)
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-#endif
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-
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 #define IA64_HAS_EXTRA_STATE(t)							\
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-	((t)->thread.flags & (IA64_THREAD_DBG_VALID|IA64_THREAD_PM_VALID)	\
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-	 || PERFMON_IS_SYSWIDE())
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+	((t)->thread.flags & (IA64_THREAD_DBG_VALID|IA64_THREAD_PM_VALID))
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 #define __switch_to(prev,next,last) do {							 \
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 	if (IA64_HAS_EXTRA_STATE(prev))								 \
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@@ -69,7 +61,6 @@
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 	if (unlikely((current->thread.flags & IA64_THREAD_MIGRATION) &&	       \
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 		     (task_cpu(current) !=				       \
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 		      		      task_thread_info(current)->last_cpu))) { \
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-		platform_migrate(current);				       \
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 		task_thread_info(current)->last_cpu = task_cpu(current);       \
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 	}								       \
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 } while (0)