powerpc/perf: remove current_is_64bit() (42484d2c) · Commits · 戴 / test

arch/powerpc/perf/callchain.c

+1 −16

Original line number	Diff line number	Diff line
		@@ -284,16 +284,6 @@ static void perf_callchain_user_64(struct perf_callchain_entry_ctx *entry,
		}
		}

		static inline int current_is_64bit(void)
		{
		/*
		* We can't use test_thread_flag() here because we may be on an
		* interrupt stack, and the thread flags don't get copied over
		* from the thread_info on the main stack to the interrupt stack.
		*/
		return !test_ti_thread_flag(task_thread_info(current), TIF_32BIT);
		}

		#else /* CONFIG_PPC64 */
		/*
		* On 32-bit we just access the address and let hash_page create a
		@@ -321,11 +311,6 @@ static inline void perf_callchain_user_64(struct perf_callchain_entry_ctx *entry
		{
		}

		static inline int current_is_64bit(void)
		{
		return 0;
		}

		static inline int valid_user_sp(unsigned long sp, int is_64)
		{
		if (!sp \|\| (sp & 7) \|\| sp > TASK_SIZE - 32)
		@@ -486,7 +471,7 @@ static void perf_callchain_user_32(struct perf_callchain_entry_ctx *entry,
		void
		perf_callchain_user(struct perf_callchain_entry_ctx entry, struct pt_regs regs)
		{
		if (current_is_64bit())
		if (!is_32bit_task())
		perf_callchain_user_64(entry, regs);
		else
		perf_callchain_user_32(entry, regs);