export RK_PA3

hc

2024-02-19 151fecfb72a0d602dfe79790602ef64b4e241574

 kernel/arch/powerpc/include/asm/switch_to.h
..
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@@ -5,6 +5,7 @@
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 #ifndef _ASM_POWERPC_SWITCH_TO_H
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 #define _ASM_POWERPC_SWITCH_TO_H
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+#include <linux/sched.h>
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 #include <asm/reg.h>
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 struct thread_struct;
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@@ -21,6 +22,16 @@
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 extern void switch_booke_debug_regs(struct debug_reg *new_debug);
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 extern int emulate_altivec(struct pt_regs *);
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+
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+#ifdef CONFIG_PPC_BOOK3S_64
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+void restore_math(struct pt_regs *regs);
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+#else
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+static inline void restore_math(struct pt_regs *regs)
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+{
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+}
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+#endif
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+
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+void restore_tm_state(struct pt_regs *regs);
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35
 
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 extern void flush_all_to_thread(struct task_struct *);
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 extern void giveup_all(struct task_struct *);
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@@ -60,6 +71,16 @@
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 {
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 	msr_check_and_clear(MSR_FP|MSR_VEC|MSR_VSX);
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 }
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+#else
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+static inline void enable_kernel_vsx(void)
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+{
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+	BUILD_BUG();
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+}
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+
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+static inline void disable_kernel_vsx(void)
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+{
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+	BUILD_BUG();
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+}
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 #endif
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 #ifdef CONFIG_SPE
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@@ -90,8 +111,6 @@
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     t->thread.used_ebb = 0;
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 #endif
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 }
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-
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-extern int set_thread_uses_vas(void);
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 extern int set_thread_tidr(struct task_struct *t);
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