Re: [PATCH] perf: Fix function pointer case

[cixi.geng@linux.dev]

2023年8月2日 19:47, "Greg KH" <gregkh@linuxfoundation.org> 写到:


> 
> On Wed, Aug 02, 2023 at 07:40:53PM +0800, Cixi Geng wrote:
> 
> > 
> > From: Peter Zijlstra <peterz@infradead.org>
> >  
> >  commit 1af6239d1d3e61d33fd2f0ba53d3d1a67cc50574 upstream.
> >  With the advent of CFI it is no longer acceptible to cast function
> >  pointers.
> >  
> >  The robot complains thusly:
> >  
> >  kernel-events-core.c:warning:cast-from-int-(-)(struct-perf_cpu_pmu_context-)-to-remote_function_f-(aka-int-(-)(void-)-)-converts-to-incompatible-function-type
> >  
> >  Reported-by: kernel test robot <lkp@intel.com>
> >  Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
> >  Signed-off-by: Cixi Geng <cixi.geng1@unisoc.com>
> >  ---
> >  kernel/events/core.c | 8 ++++++--
> >  1 file changed, 6 insertions(+), 2 deletions(-)
> > 
> 
> What stable tree(s) is this for?
>
Hi Greg
I want to apply this patch for linux-5.15-y and linux-6.1-y, 
the other stable trees not requred for me, thanks!