netdev - Re: [RESEND][PATCH] Bluetooth: Make request workqueue freezable

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Wed, 20 May 2015 10:40:37 +0200
From:	Oliver Neukum <oneukum@...e.com>
To:	Takashi Iwai <tiwai@...e.de>
Cc:	Ming Lei <ming.lei@...onical.com>,
	"David S. Miller" <davem@...emloft.net>,
	Laura Abbott <labbott@...oraproject.org>,
	Johan Hedberg <johan.hedberg@...il.com>,
	Marcel Holtmann <marcel@...tmann.org>,
	"Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
	"Gustavo F. Padovan" <gustavo@...ovan.org>,
	Laura Abbott <labbott@...hat.com>,
	Alan Stern <stern@...land.harvard.edu>,
	"bluez mailin list (linux-bluetooth@...r.kernel.org)" 
	<linux-bluetooth@...r.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	linux-usb@...r.kernel.org, netdev <netdev@...r.kernel.org>
Subject: Re: [RESEND][PATCH] Bluetooth: Make request workqueue freezable

On Wed, 2015-05-20 at 08:29 +0200, Takashi Iwai wrote:
> The data is cached in RAM.  More specifically, the former loaded
> firmware files are reloaded and saved at suspend for each device
> object.  See fw_pm_notify() in firmware_class.c.

OK, this may be a stupid idea, but do we know the firmware
was successfully loaded in the first place?
Also btusb is in the habit of falling back to a generic
firmware in some places. It seems to me that caching
firmware is conceptually not enough, but we'd also need
to record the absence of firmware images.

	Regards
		Oliver


--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html