Re: [for-next][PATCH 06/24] sparc64: Use ftrace_graph_get_ret_stack() instead of curr_ret_stack

From: David Miller
Date: Fri Dec 21 2018 - 13:24:21 EST


From: Steven Rostedt <rostedt@xxxxxxxxxxx>
Date: Fri, 21 Dec 2018 12:56:24 -0500

> From: "Steven Rostedt (VMware)" <rostedt@xxxxxxxxxxx>
>
> The structure of the ret_stack array on the task struct is going to
> change, and accessing it directly via the curr_ret_stack index will no
> longer give the ret_stack entry that holds the return address. To access
> that, architectures must now use ftrace_graph_get_ret_stack() to get the
> associated ret_stack that matches the saved return address.
>
> Cc: sparclinux@xxxxxxxxxxxxxxx
> Cc: "David S. Miller" <davem@xxxxxxxxxxxxx>
> Signed-off-by: Steven Rostedt (VMware) <rostedt@xxxxxxxxxxx>

Acked-by: David S. Miller <davem@xxxxxxxxxxxxx>