Re: [RFA][PATCH 1/5] ftrace/x86: Run a sync after fixup on failure

[Steven Rostedt]

On Mon, 03 Mar 2014 14:27:09 -0800
"H. Peter Anvin" <hpa@xxxxxxxxx> wrote:

> On 03/03/2014 02:18 PM, Steven Rostedt wrote:
> > 
> > How's this sound:
> > 
> > The second bug was that the removal of the breakpoints required the
> > "within()" logic updates instead of accessing the ip address directly.
> > As kernel text is mapped read-only when CONFIG_DEBUG_RODATA is set, and
> > the removal of the breakpoint is a modification of kernel text.
> > 
> 
> I'd add:
> 
> "ftrace_write() includes this, but probe_kernel_write() does not."
> 

OK, thanks,

-- Steve
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