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Groups > linux.kernel > #1205368
| From | Manfred Spraul <manfred@colorfullife.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH 2/2] ipc,sem: remove uneeded sem_undo_list lock usage in exit_sem() |
| Date | 2015-08-11 20:40 +0200 |
| Message-ID | <pWmCT-519-31@gated-at.bofh.it> (permalink) |
| References | <pWlnr-3c7-5@gated-at.bofh.it> <pWlns-3c7-13@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On 08/11/2015 07:19 PM, Herton R. Krzesinski wrote:
> After we acquire the sma->sem_perm lock in exit_sem(), we are protected against
> a racing IPC_RMID operation. Also at that point, we are the last user of
> sem_undo_list. Therefore it isn't required that we acquire or use ulp->lock.
>
> Signed-off-by: Herton R. Krzesinski <herton@redhat.com>
Acked-by: Manfred Spraul <manfred@colorfullife.com>
--
Manfred
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[PATCH 2/2] ipc,sem: remove uneeded sem_undo_list lock usage in exit_sem() "Herton R. Krzesinski" <herton@redhat.com> - 2015-08-11 19:20 +0200 Re: [PATCH 2/2] ipc,sem: remove uneeded sem_undo_list lock usage in exit_sem() Manfred Spraul <manfred@colorfullife.com> - 2015-08-11 20:40 +0200
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