From: Greg KH <gregkh@linuxfoundation.org>
To: Cixi Geng <cixi.geng@linux.dev>
Cc: peterz@infradead.org, stable@vger.kernel.org, enlin.mu@unisoc.com
Subject: Re: [PATCH] perf: Fix function pointer case
Date: Wed, 2 Aug 2023 13:47:25 +0200 [thread overview]
Message-ID: <2023080214-unneeded-wireless-3508@gregkh> (raw)
In-Reply-To: <20230802114053.3613-1-cixi.geng@linux.dev>
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?
next prev parent reply other threads:[~2023-08-02 11:47 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-08-02 11:40 [PATCH] perf: Fix function pointer case Cixi Geng
2023-08-02 11:47 ` Greg KH [this message]
2023-08-03 1:28 ` cixi.geng
2023-08-04 10:42 ` Greg KH
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=2023080214-unneeded-wireless-3508@gregkh \
--to=gregkh@linuxfoundation.org \
--cc=cixi.geng@linux.dev \
--cc=enlin.mu@unisoc.com \
--cc=peterz@infradead.org \
--cc=stable@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox