On Thu, 9 May 2019, Steven Rostedt wrote:
> As this patch is simply a "remove mcount" patch, I'd like to have the
> removal of klp_check_compiler_support() be a separate patch.
>
> Jiri or Josh, care to send a patch on top of this one?
Sure thing, I'll do that once you send v2 fixing x86_32 of
On Thu, 9 May 2019 15:49:02 -0400
Steven Rostedt wrote:
> diff --git a/arch/x86/include/asm/ftrace.h b/arch/x86/include/asm/ftrace.h
> index cf350639e76d..287f1f7b2e52 100644
> --- a/arch/x86/include/asm/ftrace.h
> +++ b/arch/x86/include/asm/ftrace.h
> @@ -3,12 +3,10 @@
> #define
On Thu, 9 May 2019 15:14:30 -0500
Josh Poimboeuf wrote:
> > Signed-off-by: Steven Rostedt (VMware)
> > ---
> > arch/x86/include/asm/ftrace.h| 8 +++
> > arch/x86/include/asm/livepatch.h | 3 ---
> > arch/x86/kernel/ftrace_32.S | 36 +---
> >
On Thu, 9 May 2019 13:12:55 -0700
Linus Torvalds wrote:
> On Thu, May 9, 2019 at 12:49 PM Steven Rostedt wrote:
> >
> > diff --git a/arch/x86/include/asm/livepatch.h
> > b/arch/x86/include/asm/livepatch.h
> > index ed80003ce3e2..2f2bdf0662f8 100644
> > --- a/arch/x86/include/asm/livepatch.h
>
On Thu, May 09, 2019 at 03:49:02PM -0400, Steven Rostedt wrote:
>
> From: "Steven Rostedt (VMware)"
>
> There's two methods of enabling function tracing in Linux on x86. One is
> with just "gcc -pg" and the other is "gcc -pg -mfentry". The former will use
> calls to a special function "mcount"
On Thu, May 9, 2019 at 12:49 PM Steven Rostedt wrote:
>
> diff --git a/arch/x86/include/asm/livepatch.h
> b/arch/x86/include/asm/livepatch.h
> index ed80003ce3e2..2f2bdf0662f8 100644
> --- a/arch/x86/include/asm/livepatch.h
> +++ b/arch/x86/include/asm/livepatch.h
> @@ -26,9 +26,6 @@
>
> static
On Thu, 9 May 2019, Steven Rostedt wrote:
> From: "Steven Rostedt (VMware)"
>
> There's two methods of enabling function tracing in Linux on x86. One is
> with just "gcc -pg" and the other is "gcc -pg -mfentry". The former will use
> calls to a special function "mcount" after the frame is set
On Thu, May 09, 2019 at 03:49:02PM -0400, Steven Rostedt wrote:
>
> From: "Steven Rostedt (VMware)"
>
> There's two methods of enabling function tracing in Linux on x86. One is
> with just "gcc -pg" and the other is "gcc -pg -mfentry". The former will use
> calls to a special function "mcount"
From: "Steven Rostedt (VMware)"
There's two methods of enabling function tracing in Linux on x86. One is
with just "gcc -pg" and the other is "gcc -pg -mfentry". The former will use
calls to a special function "mcount" after the frame is set up in all C
functions. The latter will add calls to
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