From: linas@austin.ibm.com (Linas Vepstas)
To: Nathan Lynch <ntl@pobox.com>
Cc: Andrew Morton <akpm@osdl.org>,
pcihpd-discuss@lists.sourceforge.net, Greg KH <gregkh@suse.de>,
linuxppc-dev@ozlabs.org, linux-pci@atrey.karlin.mff.cuni.cz,
kristen.c.accardi@intel.com
Subject: Re: [PATCH 12/19] PCI: rpaphp: remove rpaphp_set_attention_status()
Date: Tue, 3 Apr 2007 11:45:38 -0500 [thread overview]
Message-ID: <20070403164538.GO4922@austin.ibm.com> (raw)
In-Reply-To: <20070403161938.GO8423@localdomain>
On Tue, Apr 03, 2007 at 11:19:38AM -0500, Nathan Lynch wrote:
> Linas Vepstas wrote:
>
> You're changing the locking behavior here -- you've moved the
> rtas_set_indicator and the modification of
> hotplug_slot->info->attention_status outside of the code which holds
> rpaphp_sem.
>
> P.S. Should rpaphp_sem be changed to a mutex?
In patch 19, I remove the lock entirely. It doesn't seem to serve any
function that I could make out; it does not protect anything in the rpa
code, nor does it appear to be mandated by the hotplug code. Certainly,
none of the other hotplug drivers do this.
--linas
next prev parent reply other threads:[~2007-04-03 16:45 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-04-03 0:26 [PATCH 0/19]: RPAPHP pci hotplug cleanup patchbomb Linas Vepstas
2007-04-03 0:33 ` [PATCH 1/19] PCI: rpaphp: Cleanup flow of control for rpaphp_add_slot Linas Vepstas
2007-04-03 14:28 ` Nathan Lynch
2007-04-03 16:00 ` Linas Vepstas
2007-04-03 0:34 ` [PATCH 2/19] PCI: rpaphp: Remove global num_slots variable Linas Vepstas
2007-04-03 0:35 ` [PATCH 3/19] PCI: rpaphp: match up alloc and free in same routine Linas Vepstas
2007-04-03 0:36 ` [PATCH 4/19] PCI: rpaphp: Fix a memleak; slot->location string was never freed Linas Vepstas
2007-04-03 0:37 ` [PATCH 5/19] PCI: rpaphp: Remove un-needed goto Linas Vepstas
2007-04-03 10:49 ` Christoph Hellwig
2007-04-03 15:59 ` Linas Vepstas
2007-04-03 0:38 ` [PATCH 6/19] PCI: rpaphp: remove a function that does nothing but wrap debug printk's Linas Vepstas
2007-04-03 0:39 ` [PATCH 7/19] PCI: rpaphp: Remve another call that is a wrapper Linas Vepstas
2007-04-03 0:40 ` [PATCH 8/19] PCI: rpaphp: Remove another wrappered function Linas Vepstas
2007-04-03 0:41 ` [PATCH 9/19] PCI: rpaphp: remove a call that does nothing but a pointer lookup Linas Vepstas
2007-04-03 0:42 ` [PATCH 10/19] PCI: rpaphp: Remove setup_pci_slot() Linas Vepstas
2007-04-03 0:43 ` [PATCH 11/19] PCI: rpaphp: remove print_slot_pci_funcs() Linas Vepstas
2007-04-03 0:44 ` [PATCH 12/19] PCI: rpaphp: remove rpaphp_set_attention_status() Linas Vepstas
2007-04-03 16:19 ` Nathan Lynch
2007-04-03 16:45 ` Linas Vepstas [this message]
2007-04-03 0:45 ` [PATCH 13/19] PCI: rpaphp: refactor tail call to rpaphp_register_slot() Linas Vepstas
2007-04-03 0:46 ` [PATCH 14/19] PCI: rpaphp: Rename rpaphp_register_pci_slot() to rpaphp_enable_slot() Linas Vepstas
2007-04-03 0:47 ` [PATCH 15/19] PCI: rpaphp: Document find_php_slot() Linas Vepstas
2007-04-03 0:48 ` [PATCH 16/19] PCI: rpaphp: Document is_php_dn() Linas Vepstas
2007-04-03 0:49 ` [PATCH 17/19] PCI: rpaphp: Use pcibios_remove_pci_devices() symmetrically Linas Vepstas
2007-04-03 0:50 ` [PATCH 18/19] PCI: rpaphp: Ensure more pcibios_add/pcibios_remove symmetry Linas Vepstas
2007-04-03 0:51 ` [PATCH 19/19] PCI: rpaphp: Remove semaphores Linas Vepstas
2007-04-03 4:15 ` [PATCH 0/19]: RPAPHP pci hotplug cleanup patchbomb Greg KH
2007-04-03 16:18 ` Linas Vepstas
2007-04-03 16:34 ` Linas Vepstas
2007-04-03 16:48 ` Linas Vepstas
2007-04-05 15:33 ` Kristen Carlson Accardi
2007-04-05 22:41 ` Linas Vepstas
-- strict thread matches above, loose matches on Subject: below --
2007-04-03 17:26 [PATCH 12/19] PCI: rpaphp: remove rpaphp_set_attention_status() Linas Vepstas
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