Re: [PATCH 0/3] x86_64/ftrace: Emulate calls from int3 when patching functions

On Wed, 8 May 2019 13:30:22 +0900 Masami Hiramatsu wrote: > > To solve this, an int3_emulate_call() is created for x86_64 to allow > > ftrace on x86_64 to emulate the call to ftrace_regs_caller() which will > > make sure all the registered handlers to that function are still called. > > And this

Re: [PATCH 0/3] x86_64/ftrace: Emulate calls from int3 when patching functions

Steven Rostedt writes: > [ > This is the non-RFC version. > > It went through and passed all my tests. If there's no objections > I'm going to include this in my pull request. I still have patches > in my INBOX that may still be included, so I need to run those through > my tests as

Re: [PATCH 0/3] x86_64/ftrace: Emulate calls from int3 when patching functions

On Tue, 07 May 2019 21:55:59 -0400 Steven Rostedt wrote: > > [ > This is the non-RFC version. > > It went through and passed all my tests. If there's no objections > I'm going to include this in my pull request. I still have patches > in my INBOX that may still be included, so I need

[PATCH 0/3] x86_64/ftrace: Emulate calls from int3 when patching functions

[ This is the non-RFC version. It went through and passed all my tests. If there's no objections I'm going to include this in my pull request. I still have patches in my INBOX that may still be included, so I need to run those through my tests as well, so a pull request wont be

[RFC][PATCH 0/3] x86_64/ftrace: Emulate calls from int3 when patching functions

Nicolai Stange discovered that Live Kernel Patching can have unforseen consequences if tracing is enabled when there are functions that are patched. The reason being, is that Live Kernel patching is built on top of ftrace, which will have the patched functions call the live kernel trampoline