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From: "Rafael J. Wysocki" <rjw@sisk.pl>
To: Mika Westerberg <mika.westerberg@linux.intel.com>
Cc: ACPI Devel Maling List <linux-acpi@vger.kernel.org>,
	Bjorn Helgaas <bhelgaas@google.com>,
	LKML <linux-kernel@vger.kernel.org>,
	Linux PCI <linux-pci@vger.kernel.org>,
	Yinghai Lu <yinghai@kernel.org>, Jiang Liu <liuj97@gmail.com>
Subject: Re: [RFC][PATCH 5/8] ACPI / hotplug / PCI: Unified notify handler for hotplug events
Date: Wed, 10 Jul 2013 01:49:19 +0200	[thread overview]
Message-ID: <2332413.CRuyXNEmFc@vostro.rjw.lan> (raw)
In-Reply-To: <20130709093045.GJ4898@intel.com>

On Tuesday, July 09, 2013 12:30:45 PM Mika Westerberg wrote:
> On Tue, Jul 09, 2013 at 02:19:04AM +0200, Rafael J. Wysocki wrote:
> > Index: linux-pm/drivers/pci/hotplug/acpiphp.h
> > ===================================================================
> > --- linux-pm.orig/drivers/pci/hotplug/acpiphp.h
> > +++ linux-pm/drivers/pci/hotplug/acpiphp.h
> > @@ -137,6 +137,7 @@ struct acpiphp_context {
> >  	acpi_handle handle;
> >  	struct acpiphp_func *func;
> >  	struct acpiphp_bridge *bridge;
> > +	bool handler_for_func:1;
> 
> Hmm, should it be just plain:
> 
> 	bool handler_for_func;
> 
> ? What's the reason using bitfields for bool?

If there are more of them, they can be stored together in one int (they are
unsigned int under the hood).

I this particular case it doesn't matter and one of subsequent patches will
remove that field anyway. :-)

> >  };
-- 
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.

  reply	other threads:[~2013-07-09 23:49 UTC|newest]

Thread overview: 135+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-07-09  0:01 [RFC][PATCH 0/8] ACPI / hotplug / PCI: Consolidation of handling notifications (in progress) Rafael J. Wysocki
2013-07-09  0:14 ` [RFC][PATCH 1/8] ACPI / PCI: Make bus registration and unregistration symmetric Rafael J. Wysocki
2013-07-09  0:16 ` [RFC][PATCH 2/8] ACPI / hotplug / PCI: Consolidate acpiphp_enumerate_slots() Rafael J. Wysocki
2013-07-09  0:17 ` [RFC][PATCH 3/8] ACPI / hotplug / PCI: Always return success after adding a function Rafael J. Wysocki
2013-07-09  0:18 ` [RFC][PATCH 4/8] ACPI / hotplug / PCI: Hotplug context objects for bridges and functions Rafael J. Wysocki
2013-07-09  9:23   ` Mika Westerberg
2013-07-09 23:54     ` [Update][RFC][PATCH " Rafael J. Wysocki
2013-07-09  0:19 ` [RFC][PATCH 5/8] ACPI / hotplug / PCI: Unified notify handler for hotplug events Rafael J. Wysocki
2013-07-09  9:30   ` Mika Westerberg
2013-07-09 23:49     ` Rafael J. Wysocki [this message]
2013-07-09  0:20 ` [RFC][PATCH 6/8] ACPI / hotplug / PCI: Drop acpiphp_handle_to_bridge() Rafael J. Wysocki
2013-07-09  9:37   ` Mika Westerberg
2013-07-09 23:46     ` Rafael J. Wysocki
2013-07-09  0:21 ` [RFC][PATCH 7/8] ACPI / hotplug / PCI: Pass hotplug context object to event handlers Rafael J. Wysocki
2013-07-09  0:22 ` [RFC][PATCH 8/8] ACPI / hotplug / PCI: Merge hotplug event handling functions Rafael J. Wysocki
2013-07-11 23:34 ` [RFC][PATCH 0/30] ACPI / hotplug / PCI: Major rework + Thunderbolt workarounds Rafael J. Wysocki
2013-07-11 23:36   ` [RFC][PATCH 1/30] ACPI / PCI: Make bus registration and unregistration symmetric Rafael J. Wysocki
2013-07-11 23:37   ` [RFC][PATCH 2/30] ACPI / hotplug / PCI: Consolidate acpiphp_enumerate_slots() Rafael J. Wysocki
2013-07-11 23:38   ` [RFC][PATCH 3/30] ACPI / hotplug / PCI: Always return success after adding a function Rafael J. Wysocki
2013-07-11 23:39   ` [RFC][PATCH 4/30] ACPI / hotplug / PCI: Hotplug context objects for bridges and functions Rafael J. Wysocki
2013-07-11 23:40   ` [RFC][PATCH 5/30] ACPI / hotplug / PCI: Unified notify handler for hotplug events Rafael J. Wysocki
2013-07-11 23:44   ` [RFC][PATCH 6/30] ACPI / hotplug / PCI: Rework acpiphp_handle_to_bridge() Rafael J. Wysocki
2013-07-11 23:45   ` [RFC][PATCH 7/30] ACPI / hotplug / PCI: Pass hotplug context objects to event handlers Rafael J. Wysocki
2013-07-11 23:47   ` [RFC][PATCH 8/30] ACPI / hotplug / PCI: Merge hotplug event handling functions Rafael J. Wysocki
2013-07-11 23:48   ` [RFC][PATCH 9/30] ACPI / hotplug / PCI: Drop func field from struct acpiphp_bridge Rafael J. Wysocki
2013-07-11 23:49   ` [RFC][PATCH 10/30] ACPI / hotplug / PCI: Refactor slot allocation code in register_slot() Rafael J. Wysocki
2013-07-11 23:50   ` [RFC][PATCH 11/30] ACPI / hotplug / PCI: Register all devices under the given bridge Rafael J. Wysocki
2013-07-12 11:54     ` Mika Westerberg
2013-07-12 13:01       ` Mika Westerberg
2013-07-11 23:51   ` [RFC][PATCH 12/30] ACPI / hotplug / PCI: Drop sun field from struct acpiphp_slot Rafael J. Wysocki
2013-07-11 23:52   ` [RFC][PATCH 13/30] ACPI / hotplug / PCI: Use common slot count variable in register_slot() Rafael J. Wysocki
2013-07-11 23:54   ` [RFC][PATCH 14/30] ACPI / hotplug / PCI: Drop flags field from struct acpiphp_bridge Rafael J. Wysocki
2013-07-11 23:54   ` [RFC][PATCH 15/30] ACPI / hotplug / PCI: Embed function struct into struct acpiphp_context Rafael J. Wysocki
2013-07-11 23:55   ` [RFC][PATCH 16/30] ACPI / hotplug / PCI: Drop handle field from struct acpiphp_func Rafael J. Wysocki
2013-07-11 23:56   ` [RFC][PATCH 17/30] ACPI / hotplug / PCI: Drop handle field from struct acpiphp_bridge Rafael J. Wysocki
2013-07-11 23:56   ` [RFC][PATCH 18/30] ACPI / hotplug / PCI: Store parent in functions and bus in slots Rafael J. Wysocki
2013-07-11 23:57   ` [RFC][PATCH 19/30] ACPI / hotplug / PCI: Rework namespace scanning and trimming routines Rafael J. Wysocki
2013-07-11 23:58   ` [RFC][PATCH 20/30] ACPI / hotplug / PCI: Drop redundant checks from check_hotplug_bridge() Rafael J. Wysocki
2013-07-11 23:59   ` [RFC][PATCH 21/30] ACPI / hotplug / PCI: Consolidate slot disabling and ejecting Rafael J. Wysocki
2013-07-12  0:00   ` [RFC][PATCH 22/30] ACPI / hotplug / PCI: Do not queue up event handling work items in vain Rafael J. Wysocki
2013-07-12  0:01   ` [RFC][PATCH 23/30] ACPI / hotplug / PCI: Do not exectute _PS0 and _PS3 directly Rafael J. Wysocki
2013-07-12 13:05     ` Mika Westerberg
2013-07-12 21:09       ` Rafael J. Wysocki
2013-07-12  0:02   ` [RFC][PATCH 24/30] ACPI / hotplug / PCI: Do not check SLOT_ENABLED in enable_device() Rafael J. Wysocki
2013-07-12  0:03   ` [RFC][PATCH 25/30] ACPI / hotplug / PCI: Allow slots without new devices to be rescanned Rafael J. Wysocki
2013-07-12  0:04   ` [RFC][PATCH 26/30] ACPI / hotplug / PCI: Check for new devices on enabled slots Rafael J. Wysocki
2013-07-12  0:05   ` [RFC][PATCH 27/30] ACPI / hotplug / PCI: Get rid of unused constants in acpiphp.h Rafael J. Wysocki
2013-07-12  0:06   ` [RFC][PATCH 28/30] ACPI / hotplug / PCI: Sanitize acpiphp_get_(latch)|(adapter)_status() Rafael J. Wysocki
2013-07-12  0:07   ` [RFC][PATCH 29/30] ACPI / hotplug / PCI: Redefine enable_device() and disable_device() Rafael J. Wysocki
2013-07-12  0:07   ` [RFC][PATCH 30/30] ACPI / hotplug / PCI: Clean up bridge_mutex usage Rafael J. Wysocki
2013-07-12 13:18   ` [RFC][PATCH 0/30] ACPI / hotplug / PCI: Major rework + Thunderbolt workarounds Mika Westerberg
2013-07-12 21:04     ` Rafael J. Wysocki
2013-07-17 23:05   ` [PATCH " Rafael J. Wysocki
2013-07-17 23:15     ` [PATCH 1/30] ACPI / PCI: Make bus registration and unregistration symmetric Rafael J. Wysocki
2013-07-18  1:00       ` Yinghai Lu
2013-07-17 23:16     ` [PATCH 2/30] ACPI / hotplug / PCI: Consolidate acpiphp_enumerate_slots() Rafael J. Wysocki
2013-07-18  1:40       ` Yinghai Lu
2013-07-18 19:09         ` Rafael J. Wysocki
2013-07-17 23:17     ` [PATCH 3/30] ACPI / hotplug / PCI: Always return success after adding a function Rafael J. Wysocki
2013-07-17 23:17     ` [PATCH 4/30] ACPI / hotplug / PCI: Hotplug context objects for bridges and functions Rafael J. Wysocki
2013-07-18  2:00       ` Yinghai Lu
2013-07-18 19:04         ` Rafael J. Wysocki
2013-07-18 20:06           ` Rafael J. Wysocki
2013-07-17 23:18     ` [PATCH 5/30] ACPI / hotplug / PCI: Unified notify handler for hotplug events Rafael J. Wysocki
2013-07-18  2:07       ` Yinghai Lu
2013-07-18 18:59         ` Rafael J. Wysocki
2013-07-17 23:19     ` [PATCH 6/30] ACPI / hotplug / PCI: Rework acpiphp_handle_to_bridge() Rafael J. Wysocki
2013-07-17 23:19     ` [PATCH 7/30] ACPI / hotplug / PCI: Pass hotplug context objects to event handlers Rafael J. Wysocki
2013-07-17 23:20     ` [PATCH 8/30] ACPI / hotplug / PCI: Merge hotplug event handling functions Rafael J. Wysocki
2013-07-17 23:21     ` [PATCH 9/30] ACPI / hotplug / PCI: Drop func field from struct acpiphp_bridge Rafael J. Wysocki
2013-07-17 23:22     ` [PATCH 10/30] ACPI / hotplug / PCI: Refactor slot allocation code in register_slot() Rafael J. Wysocki
2013-07-17 23:22     ` [PATCH 11/30] ACPI / hotplug / PCI: Register all devices under the given bridge Rafael J. Wysocki
2013-07-17 23:23     ` [PATCH 12/30] ACPI / hotplug / PCI: Drop sun field from struct acpiphp_slot Rafael J. Wysocki
2013-07-17 23:24     ` [PATCH 13/30] ACPI / hotplug / PCI: Drop flags field from struct acpiphp_bridge Rafael J. Wysocki
2013-07-17 23:24     ` [PATCH 14/30] ACPI / hotplug / PCI: Embed function struct into struct acpiphp_context Rafael J. Wysocki
2013-07-17 23:25     ` [PATCH 15/30] ACPI / hotplug / PCI: Drop handle field from struct acpiphp_func Rafael J. Wysocki
2013-07-17 23:26     ` [PATCH 16/30] ACPI / hotplug / PCI: Drop handle field from struct acpiphp_bridge Rafael J. Wysocki
2013-07-17 23:26     ` [PATCH 17/30] ACPI / hotplug / PCI: Store parent in functions and bus in slots Rafael J. Wysocki
2013-07-17 23:27     ` [PATCH 18/30] ACPI / hotplug / PCI: Rework namespace scanning and trimming routines Rafael J. Wysocki
2013-07-17 23:27     ` [PATCH 19/30] ACPI / hotplug / PCI: Drop redundant checks from check_hotplug_bridge() Rafael J. Wysocki
2013-07-17 23:28     ` [PATCH 20/30] ACPI / hotplug / PCI: Consolidate slot disabling and ejecting Rafael J. Wysocki
2013-07-17 23:29     ` [PATCH 21/30] ACPI / hotplug / PCI: Do not queue up event handling work items in vain Rafael J. Wysocki
2013-07-17 23:30     ` [PATCH 22/30] ACPI / hotplug / PCI: Do not exectute _PS0 and _PS3 directly Rafael J. Wysocki
2013-07-17 23:31     ` [PATCH 23/30] ACPI / hotplug / PCI: Do not check SLOT_ENABLED in enable_device() Rafael J. Wysocki
2013-07-17 23:31     ` [PATCH 24/30] ACPI / hotplug / PCI: Allow slots without new devices to be rescanned Rafael J. Wysocki
2013-07-17 23:32     ` [PATCH 25/30] ACPI / hotplug / PCI: Check for new devices on enabled slots Rafael J. Wysocki
2013-09-04 20:36       ` Alex Williamson
2013-09-04 22:54         ` Rafael J. Wysocki
2013-09-04 23:12           ` Alex Williamson
2013-09-04 23:35             ` Rafael J. Wysocki
2013-09-05  3:37               ` Alex Williamson
2013-09-05  4:06                 ` Alex Williamson
2013-09-05 11:54                   ` Rafael J. Wysocki
2013-09-05 13:19                     ` Alex Williamson
2013-09-05 14:21                       ` Alex Williamson
2013-09-05 19:44                         ` Excess dmesg output from ACPIPHP on boot (was: Re: [PATCH 25/30] ACPI / hotplug / PCI: Check for new devices on enabled slots) Rafael J. Wysocki
2013-09-05 21:39                           ` Rafael J. Wysocki
2013-09-05 21:45                             ` Rafael J. Wysocki
2013-09-05 22:17                             ` Alex Williamson
2013-09-05 22:40                               ` Rafael J. Wysocki
2013-09-05 23:08                                 ` Alex Williamson
2013-09-05 23:36                                   ` Rafael J. Wysocki
2013-09-05 23:31                                     ` Alex Williamson
2013-09-05 23:48                                       ` Rafael J. Wysocki
2013-09-06 12:19                                     ` Bjorn Helgaas
2013-09-06 12:40                                       ` Rafael J. Wysocki
2013-09-06 15:34                                       ` Alex Williamson
2013-09-07 22:16                                         ` [PATCH] ACPI / hotplug / PCI: Avoid parent bus rescans on spurious device checks Rafael J. Wysocki
2013-09-09 16:32                                           ` Alex Williamson
2013-09-09 20:02                                             ` Rafael J. Wysocki
2013-09-06 13:42                                     ` [PATCH 0/2] Re: Excess dmesg output from ACPIPHP on boot Rafael J. Wysocki
2013-09-06 13:43                                       ` [PATCH 1/2] ACPI / hotplug / PCI: Avoid doing too much for spurious notifies Rafael J. Wysocki
2013-09-06 15:46                                         ` Yinghai Lu
2013-09-06 23:45                                           ` Rafael J. Wysocki
2013-09-06 13:46                                       ` [PATCH 2/2] ACPI / hotplug / PCI: Use _OST to notify firmware about notify status Rafael J. Wysocki
2013-09-06 15:36                                       ` [PATCH 0/2] Re: Excess dmesg output from ACPIPHP on boot Alex Williamson
2013-09-06 23:46                                         ` Rafael J. Wysocki
2013-09-05  6:17                 ` [PATCH 25/30] ACPI / hotplug / PCI: Check for new devices on enabled slots Lan Tianyu
2013-09-05 11:57                   ` Rafael J. Wysocki
2013-09-05 13:11                     ` Lan Tianyu
2013-09-05 21:43                       ` Rafael J. Wysocki
2013-07-17 23:33     ` [PATCH 26/30] ACPI / hotplug / PCI: Get rid of unused constants in acpiphp.h Rafael J. Wysocki
2013-07-17 23:34     ` [PATCH 27/30] ACPI / hotplug / PCI: Sanitize acpiphp_get_(latch)|(adapter)_status() Rafael J. Wysocki
2013-07-17 23:35     ` [PATCH 28/30] ACPI / hotplug / PCI: Redefine enable_device() and disable_device() Rafael J. Wysocki
2013-07-17 23:35     ` [PATCH 29/30] ACPI / hotplug / PCI: Clean up bridge_mutex usage Rafael J. Wysocki
2013-07-17 23:36     ` [PATCH 30/30] ACPI / hotplug / PCI: Get rid of check_sub_bridges() Rafael J. Wysocki
2013-07-23  6:49     ` [PATCH 0/30] ACPI / hotplug / PCI: Major rework + Thunderbolt workarounds Yinghai Lu
2013-07-23 21:39       ` Rafael J. Wysocki
2013-07-24  2:20         ` Yinghai Lu
2013-07-24 12:22           ` Rafael J. Wysocki
2013-07-24 12:58           ` Rafael J. Wysocki
2013-07-24 16:06             ` Bjorn Helgaas
2013-07-24 20:02               ` Rafael J. Wysocki
2013-07-25 13:25             ` Yinghai Lu
2013-07-25 19:57               ` Rafael J. Wysocki

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