From: Peter Zijlstra <peterz@infradead.org>
To: Kees Cook <keescook@chromium.org>
Cc: Elena Reshetova <elena.reshetova@intel.com>,
Andrew Morton <akpm@linux-foundation.org>,
LKML <linux-kernel@vger.kernel.org>,
"linux-fsdevel@vger.kernel.org" <linux-fsdevel@vger.kernel.org>,
Greg KH <gregkh@linuxfoundation.org>,
Al Viro <viro@zeniv.linux.org.uk>, Tejun Heo <tj@kernel.org>,
Ingo Molnar <mingo@redhat.com>,
Johannes Weiner <hannes@cmpxchg.org>,
Li Zefan <lizefan@huawei.com>,
Arnaldo Carvalho de Melo <acme@kernel.org>,
Alexander Shishkin <alexander.shishkin@linux.intel.com>,
Eric Paris <eparis@redhat.com>, Arnd Bergmann <arnd@arndb.de>,
Andy Lutomirski <luto@kernel.org>,
Thomas Gleixner <tglx@linutronix.de>,
dvhart@infradead.org, "Eric W. Biederman" <ebiederm@xmission.com>
Subject: Re: [PATCH 00/15] v5 kernel core pieces refcount conversions
Date: Fri, 1 Sep 2017 11:48:32 +0200 [thread overview]
Message-ID: <20170901094832.inwuzxczxs4b2ehh@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <CAGXu5j+YsY_RAiekrm9jf7D992OqQLD2k8rapXZAf=x9X+aduw@mail.gmail.com>
On Thu, Aug 31, 2017 at 04:48:00PM -0700, Kees Cook wrote:
> On Wed, Aug 30, 2017 at 5:22 AM, Elena Reshetova
> <elena.reshetova@intel.com> wrote:
> > Now we have at least x86 support for ARCH_HAS_REFCOUNT merged and
> > arm and others on their way.
> >
> > Changes in v5:
> > * Kees catched that the following changes in
> > perf_event_context.refcount and futex_pi_state.refcount
> > are not correct now when ARCH_HAS_REFCOUNT is enabled:
> > - WARN_ON(!atomic_inc_not_zero(refcount));
> > + refcount_inc(refcount);
> > So they are now changed back to using refcount_inc_not_zero.
>
> Thanks!
>
> Reviewed-by: Kees Cook <keescook@chromium.org>
>
> Andrew, are you able to carry these patches in -mm, since they span a
> bunch of core kernel areas?
No.. these patches should go through the regular trees that maintain
these various parts.
next prev parent reply other threads:[~2017-09-01 9:48 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-08-30 12:22 Elena Reshetova
2017-08-30 12:22 ` [PATCH 01/15] sched: convert sighand_struct.count to refcount_t Elena Reshetova
2017-08-30 12:22 ` [PATCH 02/15] sched: convert signal_struct.sigcnt " Elena Reshetova
2017-08-30 12:22 ` [PATCH 03/15] sched: convert user_struct.__count " Elena Reshetova
2017-08-30 12:22 ` [PATCH 04/15] sched: convert numa_group.refcount " Elena Reshetova
2017-08-30 12:22 ` [PATCH 05/15] sched/task_struct: convert task_struct.usage " Elena Reshetova
2017-08-30 12:22 ` [PATCH 06/15] sched/task_struct: convert task_struct.stack_refcount " Elena Reshetova
2017-08-30 12:22 ` [PATCH 07/15] perf: convert perf_event_context.refcount " Elena Reshetova
2017-08-30 12:22 ` [PATCH 08/15] perf/ring_buffer: convert ring_buffer.refcount " Elena Reshetova
2017-08-30 12:22 ` [PATCH 09/15] perf/ring_buffer: convert ring_buffer.aux_refcount " Elena Reshetova
2017-08-30 12:22 ` [PATCH 10/15] uprobes: convert uprobe.ref " Elena Reshetova
2017-08-30 12:22 ` [PATCH 11/15] nsproxy: convert nsproxy.count " Elena Reshetova
2017-08-30 12:22 ` [PATCH 12/15] groups: convert group_info.usage " Elena Reshetova
2017-08-30 12:22 ` [PATCH 13/15] creds: convert cred.usage " Elena Reshetova
2017-08-30 12:22 ` [PATCH 14/15] futex: convert futex_pi_state.refcount " Elena Reshetova
2017-09-01 7:39 ` Thomas Gleixner
2017-09-01 9:38 ` Peter Zijlstra
2017-09-01 9:43 ` Thomas Gleixner
2017-09-01 10:52 ` Reshetova, Elena
2017-09-01 11:05 ` Reshetova, Elena
2017-09-01 12:34 ` Peter Zijlstra
2017-09-01 13:24 ` Reshetova, Elena
2017-09-01 13:36 ` Peter Zijlstra
2017-09-01 17:03 ` Reshetova, Elena
2017-09-01 19:12 ` Peter Zijlstra
2017-09-04 10:31 ` Reshetova, Elena
2017-09-04 12:00 ` Peter Zijlstra
2017-09-14 16:02 ` Reshetova, Elena
2017-10-20 12:03 ` Reshetova, Elena
2017-10-20 12:30 ` Thomas Gleixner
2017-10-23 7:36 ` Reshetova, Elena
2017-08-30 12:22 ` [PATCH 15/15] kcov: convert kcov.refcount " Elena Reshetova
2017-08-31 23:48 ` [PATCH 00/15] v5 kernel core pieces refcount conversions Kees Cook
2017-09-01 9:48 ` Peter Zijlstra [this message]
2017-09-01 16:55 ` Kees Cook
2017-09-01 17:08 ` Reshetova, Elena
2017-10-20 12:15 Elena Reshetova
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