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Date: Wed, 30 Apr 2008 21:32:59 -0700 From: Tim Pepper <lnxninja@...ux.vnet.ibm.com> To: Nadia.Derbey@...l.net Cc: manfred@...orfullife.com, paulmck@...ux.vnet.ibm.com, linux-kernel@...r.kernel.org, efault@....de, akpm@...ux-foundation.org Subject: Re: [PATCH 09/10] Integrate the ridr code into IPC code On Tue 29 Apr at 16:33:13 +0200 Nadia.Derbey@...l.net said: > [PATCH 09/10] > > This patche makes the ipc ode use the ridr API. Superfluous except... > @@ -699,18 +695,13 @@ struct kern_ipc_perm *ipc_lock(struct ip > struct kern_ipc_perm *out; > int lid = ipcid_to_idx(id); > > - down_read(&ids->rw_mutex); > - > rcu_read_lock(); > - out = idr_find(&ids->ipcs_idr, lid); > + out = ridr_find(&ids->ipcs_ridr, lid); > if (out == NULL) { > rcu_read_unlock(); > - up_read(&ids->rw_mutex); > return ERR_PTR(-EINVAL); > } > > - up_read(&ids->rw_mutex); > - ...the removal of the rw_mutex down/up_read(). -- Tim Pepper <lnxninja@...ux.vnet.ibm.com> IBM Linux Technology Center -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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