On Mon, Jul 1, 2019 at 2:47 PM kbuild test robot wrote:
>
> Hi "Joel,
>
> Thank you for the patch! Perhaps something to improve:
>
> [auto build test WARNING on linus/master]
> [also build test WARNING on v5.2-rc6]
> [cannot apply to next-20190625]
> [if your patch is applied to the wrong git
Hi "Joel,
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on linus/master]
[also build test WARNING on v5.2-rc6]
[cannot apply to next-20190625]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system]
url:
On Mon, Jul 01, 2019 at 07:48:26PM +0200, Jann Horn wrote:
> On Fri, Jun 28, 2019 at 9:35 PM Joel Fernandes (Google)
> wrote:
> > struct pid's count is an atomic_t field used as a refcount. Use
> > refcount_t for it which is basically atomic_t but does additional
> > checking to prevent
On Fri, Jun 28, 2019 at 9:35 PM Joel Fernandes (Google)
wrote:
> struct pid's count is an atomic_t field used as a refcount. Use
> refcount_t for it which is basically atomic_t but does additional
> checking to prevent use-after-free bugs.
[...]
> struct pid
> {
> - atomic_t count;
> +
On Fri, Jun 28, 2019 at 03:34:42PM -0400, Joel Fernandes (Google) wrote:
> struct pid's count is an atomic_t field used as a refcount. Use
> refcount_t for it which is basically atomic_t but does additional
> checking to prevent use-after-free bugs.
>
> For memory ordering, the only change is
struct pid's count is an atomic_t field used as a refcount. Use
refcount_t for it which is basically atomic_t but does additional
checking to prevent use-after-free bugs.
For memory ordering, the only change is with the following:
- if ((atomic_read(>count) == 1) ||
-
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