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, 4 Mar 2015 10:32:15 +0100
From:	Maxime Ripard <maxime.ripard@...e-electrons.com>
To:	Daniel Lezcano <daniel.lezcano@...aro.org>
Cc:	Thomas Gleixner <tglx@...utronix.de>, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v2 5/5] clocksource: sun5i: Add clock notifiers

On Tue, Mar 03, 2015 at 12:16:57PM +0100, Daniel Lezcano wrote:
> On 03/03/2015 09:52 AM, Maxime Ripard wrote:
> >On Mon, Jan 26, 2015 at 03:35:41PM +0100, Maxime Ripard wrote:
> >>>>+static int sun5i_rate_cb_clksrc(struct notifier_block *nb,
> >>>>+				unsigned long event, void *data)
> >>>>+{
> >>>>+	struct clk_notifier_data *ndata = data;
> >>>>+	struct sun5i_timer *timer = to_sun5i_timer(nb);
> >>>>+	struct sun5i_timer_clksrc *cs = container_of(timer,
> >>>>+						     struct sun5i_timer_clksrc, timer);
> >>>>+
> >>>>+	switch (event) {
> >>>>+	case PRE_RATE_CHANGE:
> >>>>+		clocksource_unregister(&cs->clksrc);
> >>>>+		break;
> >>>>+
> >>>>+	case POST_RATE_CHANGE:
> >>>>+		clocksource_register_hz(&cs->clksrc, ndata->new_rate);
> >>>>+		break;
> >>>
> >>>Why clocksource_unregister couldn't be in the POST_RATE_CHANGE ?
> >>
> >>Wouldn't that leave a (small, I agree) window where the timer would
> >>run at a rate different to the one it has been registered with?
> >
> >Ping?
> 
> Hi Maxime,
> 
> except I missed something, there were a couple of comments and I was waiting
> a V3.

Indeed, but one of these comments (the one above) was still under
discussion.

Maxime

-- 
Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com

Download attachment "signature.asc" of type "application/pgp-signature" (820 bytes)

Powered by blists - more mailing lists