From: Steven Rostedt <rostedt@goodmis.org>
To: linux-kernel@vger.kernel.org
Cc: Ingo Molnar <mingo@elte.hu>,
Andrew Morton <akpm@linux-foundation.org>,
Frederic Weisbecker <fweisbec@gmail.com>,
Steven Rostedt <srostedt@redhat.com>
Subject: [PATCH 5/5] ftrace: have function graph use mcount caller address
Date: Tue, 02 Dec 2008 15:34:09 -0500 [thread overview]
Message-ID: <20081202203425.441603525@goodmis.org> (raw)
In-Reply-To: 20081202203404.496794864@goodmis.org
[-- Attachment #1: 0005-ftrace-have-function-graph-use-mcount-caller-addres.patch --]
[-- Type: text/plain, Size: 1073 bytes --]
From: Steven Rostedt <srostedt@redhat.com>
Impact: consistency change for function graph
This patch makes function graph record the mcount caller address
the same way the function tracer does.
Signed-off-by: Steven Rostedt <srostedt@redhat.com>
---
arch/x86/kernel/entry_32.S | 1 +
arch/x86/kernel/entry_64.S | 1 +
2 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/arch/x86/kernel/entry_32.S b/arch/x86/kernel/entry_32.S
index f484e9a..3497321 100644
--- a/arch/x86/kernel/entry_32.S
+++ b/arch/x86/kernel/entry_32.S
@@ -1027,6 +1027,7 @@ ENTRY(ftrace_graph_caller)
pushl %edx
movl 0xc(%esp), %edx
lea 0x4(%ebp), %eax
+ subl $MCOUNT_INSN_SIZE, %edx
call prepare_ftrace_return
popl %edx
popl %ecx
diff --git a/arch/x86/kernel/entry_64.S b/arch/x86/kernel/entry_64.S
index c433d86..47aa5f0 100644
--- a/arch/x86/kernel/entry_64.S
+++ b/arch/x86/kernel/entry_64.S
@@ -172,6 +172,7 @@ ENTRY(ftrace_graph_caller)
leaq 8(%rbp), %rdi
movq 0x38(%rsp), %rsi
+ subq $MCOUNT_INSN_SIZE, %rsi
call prepare_ftrace_return
--
1.5.6.5
--
next prev parent reply other threads:[~2008-12-02 20:34 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-12-02 20:34 [PATCH 0/5] ftrace updates for tip Steven Rostedt
2008-12-02 20:34 ` [PATCH 1/5] ftrace: replace raw_local_irq_save with local_irq_save Steven Rostedt
2008-12-03 9:21 ` Wang Liming
2008-12-02 20:34 ` [PATCH 2/5] ring-buffer: move some metadata into buffer page Steven Rostedt
2008-12-02 20:34 ` [PATCH 3/5] ring-buffer: read page interface Steven Rostedt
2008-12-02 21:36 ` Andrew Morton
2008-12-02 22:25 ` Steven Rostedt
2008-12-02 23:09 ` Rusty Russell
2008-12-02 20:34 ` [PATCH 4/5] ftrace: clean up function graph asm Steven Rostedt
2008-12-02 21:24 ` Frédéric Weisbecker
2008-12-02 20:34 ` Steven Rostedt [this message]
2008-12-03 7:57 ` [PATCH 0/5] ftrace updates for tip Ingo Molnar
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