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x86: Always inline on_thread_stack() and current_top_of_stack()
Becaues GCC clearly lost it's marbles again... vmlinux.o: warning: objtool: enter_from_user_mode+0x4e: call to on_thread_stack() leaves .noinstr.text section vmlinux.o: warning: objtool: syscall_enter_from_user_mode+0x53: call to on_thread_stack() leaves .noinstr.text section vmlinux.o: warning: objtool: syscall_enter_from_user_mode_prepare+0x4e: call to on_thread_stack() leaves .noinstr.text section vmlinux.o: warning: objtool: irqentry_enter_from_user_mode+0x4e: call to on_thread_stack() leaves .noinstr.text section vmlinux.o: warning: objtool: enter_from_user_mode+0x4e: call to current_top_of_stack() leaves .noinstr.text section vmlinux.o: warning: objtool: syscall_enter_from_user_mode+0x53: call to current_top_of_stack() leaves .noinstr.text section vmlinux.o: warning: objtool: syscall_enter_from_user_mode_prepare+0x4e: call to current_top_of_stack() leaves .noinstr.text section vmlinux.o: warning: objtool: irqentry_enter_from_user_mode+0x4e: call to current_top_of_stack() leaves .noinstr.text section Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://lkml.kernel.org/r/20220526105958.071435483@infradead.org
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1 changed files with 2 additions and 2 deletions
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@ -559,7 +559,7 @@ static __always_inline void native_swapgs(void)
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#endif
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}
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static inline unsigned long current_top_of_stack(void)
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static __always_inline unsigned long current_top_of_stack(void)
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{
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/*
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* We can't read directly from tss.sp0: sp0 on x86_32 is special in
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@ -569,7 +569,7 @@ static inline unsigned long current_top_of_stack(void)
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return this_cpu_read_stable(cpu_current_top_of_stack);
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}
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static inline bool on_thread_stack(void)
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static __always_inline bool on_thread_stack(void)
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{
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return (unsigned long)(current_top_of_stack() -
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current_stack_pointer) < THREAD_SIZE;
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