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From:   cixi.geng@linux.dev
Message-ID: <840c9ebf1d741de735b3a1d882364ff0f3904bdd@linux.dev>
TLS-Required: No
Subject: Re: [PATCH] perf: Fix function pointer case
To:     "Greg KH" <gregkh@linuxfoundation.org>
Cc:     peterz@infradead.org, stable@vger.kernel.org, enlin.mu@unisoc.com
In-Reply-To: <2023080214-unneeded-wireless-3508@gregkh>
References: <2023080214-unneeded-wireless-3508@gregkh>
 <20230802114053.3613-1-cixi.geng@linux.dev>
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2023=E5=B9=B48=E6=9C=882=E6=97=A5 19:47, "Greg KH" <gregkh@linuxfoundatio=
n.org> =E5=86=99=E5=88=B0:


>=20
>=20On Wed, Aug 02, 2023 at 07:40:53PM +0800, Cixi Geng wrote:
>=20
>=20>=20
>=20> From: Peter Zijlstra <peterz@infradead.org>
> >=20=20
>=20>  commit 1af6239d1d3e61d33fd2f0ba53d3d1a67cc50574 upstream.
> >  With the advent of CFI it is no longer acceptible to cast function
> >  pointers.
> >=20=20
>=20>  The robot complains thusly:
> >=20=20
>=20>  kernel-events-core.c:warning:cast-from-int-(-)(struct-perf_cpu_pmu=
_context-)-to-remote_function_f-(aka-int-(-)(void-)-)-converts-to-incompa=
tible-function-type
> >=20=20
>=20>  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(-)
> >=20
>=20
> 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,=20
the=20other stable trees not requred for me, thanks!