From: Steven Rostedt <rostedt@goodmis.org>
To: linux-kernel@vger.kernel.org
Cc: Peter Zijlstra <peterz@infradead.org>,
tglx@linutronix.de, jpoimboe@redhat.com, x86@kernel.org,
mhiramat@kernel.org, mbenes@suse.cz, jthierry@redhat.com,
alexandre.chartre@oracle.com
Subject: [PATCH 0/3] x86/ftrace: Make created trampolines not call direct code
Date: Wed, 22 Apr 2020 12:25:39 -0400 [thread overview]
Message-ID: <20200422162539.808362933@goodmis.org> (raw)
Peter,
These three patches are built on top of your patch series.
This is what I was thinking of having. This isn't fully tested
(as your patch series is still running on my test suite).
-- Steve
Steven Rostedt (VMware) (3):
x86/ftrace: Make non direct case the default in ftrace_regs_caller
x86/ftrace: Only have the builtin ftrace_regs_caller call direct hooks
x86/ftrace: Do not jump to direct code in created trampolines
----
arch/x86/kernel/ftrace.c | 14 +++++++++++---
arch/x86/kernel/ftrace_64.S | 29 ++++++++++++++---------------
kernel/trace/ftrace.c | 8 ++++++++
3 files changed, 33 insertions(+), 18 deletions(-)
next reply other threads:[~2020-04-22 16:27 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-22 16:25 Steven Rostedt [this message]
2020-04-22 16:25 ` [PATCH 1/3] x86/ftrace: Make non direct case the default in ftrace_regs_caller Steven Rostedt
2020-04-22 16:25 ` [PATCH 2/3] x86/ftrace: Only have the builtin ftrace_regs_caller call direct hooks Steven Rostedt
2020-04-22 16:25 ` [PATCH 3/3] x86/ftrace: Do not jump to direct code in created trampolines Steven Rostedt
2020-04-22 20:08 ` Peter Zijlstra
2020-04-22 20:17 ` Steven Rostedt
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