Em Tue, Feb 21, 2017 at 05:34:55PM +0200, Elena Reshetova escreveu:
> refcount_t type and corresponding API should be
> used instead of atomic_t when the variable is used as
> a reference counter. This allows to avoid accidental
> refcounter overflows that might lead to use-after-free
> situations.
> #define __CGROUP_H__
>
> -#include <linux/atomic.h>
> +#include <linux/refcount.h>
So this is the first one, I was expecting the copy from
include/linux/refcount.h to be made to tools/include/linux/refcount.h,
as was done for tools/include/linux/atomic.h and all the other stuff in
tools/include/
See:
commit c4b6014e8bb0c8d47fe5c71ebc604f31091e5d3f
Author: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
Date: Mon Jul 11 10:28:48 2016 -0300
tools: Add copy of perf_event.h to tools/include/linux/
--------------
For one of the reasons we've been doing this.
- Arnaldo
> struct option;
>
> struct cgroup_sel {
> char *name;
> int fd;
> - atomic_t refcnt;
> + refcount_t refcnt;
> };
>
>
> --
> 2.7.4
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