From: rostedt@goodmis.org (Steven Rostedt)
To: linux-arm-kernel@lists.infradead.org
Subject: [RFC][PATCH 03/14] arm64: function_graph: Remove use of FTRACE_NOTRACE_DEPTH
Date: Wed, 21 Nov 2018 20:27:11 -0500 [thread overview]
Message-ID: <20181122012803.040221352@goodmis.org> (raw)
In-Reply-To: 20181122012708.491151844@goodmis.org
From: "Steven Rostedt (VMware)" <rostedt@goodmis.org>
The curr_ret_stack is no longer set to -1 when not tracing a function. It is
now done differently, and the FTRACE_NOTRACE_DEPTH value is no longer used.
Remove the reference to it.
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: linux-arm-kernel at lists.infradead.org
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
---
arch/arm64/kernel/stacktrace.c | 3 ---
1 file changed, 3 deletions(-)
diff --git a/arch/arm64/kernel/stacktrace.c b/arch/arm64/kernel/stacktrace.c
index 4989f7ea1e59..7723dadf25be 100644
--- a/arch/arm64/kernel/stacktrace.c
+++ b/arch/arm64/kernel/stacktrace.c
@@ -61,9 +61,6 @@ int notrace unwind_frame(struct task_struct *tsk, struct stackframe *frame)
(frame->pc == (unsigned long)return_to_handler)) {
if (WARN_ON_ONCE(frame->graph == -1))
return -EINVAL;
- if (frame->graph < -1)
- frame->graph += FTRACE_NOTRACE_DEPTH;
-
/*
* This is a case where function graph tracer has
* modified a return address (LR) in a stack frame
--
2.19.1
next parent reply other threads:[~2018-11-22 1:27 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20181122012708.491151844@goodmis.org>
2018-11-22 1:27 ` Steven Rostedt [this message]
2018-11-27 19:31 ` [RFC][PATCH 03/14] arm64: function_graph: Remove use of FTRACE_NOTRACE_DEPTH Will Deacon
2018-11-27 19:50 ` Steven Rostedt
2018-12-05 21:50 ` [PATCH 03/14 v2] " Steven Rostedt
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