Messages in this thread Patch in this message | | | Date | Tue, 03 Dec 2013 17:32:34 -0600 | From | Christoph Lameter <> | Subject | [PATCH 02/41] tracing: Replace __get_cpu_var uses with this_cpu_ptr |
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Replace uses of &__get_cpu_var for address calculation with this_cpu_ptr.
CC: Steven Rostedt <rostedt@goodmis.org> CC: Frederic Weisbecker <fweisbec@gmail.com> CC: Ingo Molnar <mingo@redhat.com> Acked-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> Signed-off-by: Christoph Lameter <cl@linux.com>
Index: linux/include/linux/kprobes.h =================================================================== --- linux.orig/include/linux/kprobes.h 2013-12-02 16:07:46.104736079 -0600 +++ linux/include/linux/kprobes.h 2013-12-02 16:07:46.104736079 -0600 @@ -355,7 +355,7 @@ static inline void reset_current_kprobe( static inline struct kprobe_ctlblk *get_kprobe_ctlblk(void) { - return (&__get_cpu_var(kprobe_ctlblk)); + return this_cpu_ptr(&kprobe_ctlblk); } int register_kprobe(struct kprobe *p); Index: linux/kernel/trace/ftrace.c =================================================================== --- linux.orig/kernel/trace/ftrace.c 2013-12-02 16:07:46.104736079 -0600 +++ linux/kernel/trace/ftrace.c 2013-12-02 16:07:46.104736079 -0600 @@ -864,7 +864,7 @@ function_profile_call(unsigned long ip, local_irq_save(flags); - stat = &__get_cpu_var(ftrace_profile_stats); + stat = this_cpu_ptr(&ftrace_profile_stats); if (!stat->hash || !ftrace_profile_enabled) goto out; @@ -895,7 +895,7 @@ static void profile_graph_return(struct unsigned long flags; local_irq_save(flags); - stat = &__get_cpu_var(ftrace_profile_stats); + stat = this_cpu_ptr(&ftrace_profile_stats); if (!stat->hash || !ftrace_profile_enabled) goto out; Index: linux/kernel/trace/trace.c =================================================================== --- linux.orig/kernel/trace/trace.c 2013-12-02 16:07:46.104736079 -0600 +++ linux/kernel/trace/trace.c 2013-12-02 16:07:46.104736079 -0600 @@ -1685,7 +1685,7 @@ static void __ftrace_trace_stack(struct */ barrier(); if (use_stack == 1) { - trace.entries = &__get_cpu_var(ftrace_stack).calls[0]; + trace.entries = this_cpu_ptr(ftrace_stack.calls); trace.max_entries = FTRACE_STACK_MAX_ENTRIES; if (regs)
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