From: Steffen Klassert <steffen.klassert@secunet•com>
To: Fan Du <fan.du@windriver•com>
Cc: davem@davemloft•net, netdev@vger•kernel.org
Subject: Re: [PATCHv2 net-next] xfrm: Make xfrm_state timer monotonic
Date: Tue, 13 Aug 2013 09:55:20 +0200 [thread overview]
Message-ID: <20130813075519.GN25511@secunet.com> (raw)
In-Reply-To: <52087537.6060200@windriver.com>
On Mon, Aug 12, 2013 at 01:40:07PM +0800, Fan Du wrote:
>
>
> On 2013年08月06日 17:22, Steffen Klassert wrote:
> >On Tue, Aug 06, 2013 at 02:57:05PM +0800, Fan Du wrote:
> >>xfrm_state timer should be independent of system clock change,
> >>so switch to monotonic clock base.
> >>
> >
> >I think a monotonic timer will reintroduce a bug on suspend/resume
> >that was fixed by commit 9e0d57fd6
> >(xfrm: SAD entries do not expire correctly after suspend-resume)
> >
> >Please make sure that this does not happen.
>
> What about using CLOCK_BOOTTIME? it's monotonic, but includes suspend time as well.
As I said, I'm open to everything that fixes your problem and does not
introduce a regression. I'll consider applying after some testing
if noone else has objections.
Thanks!
next prev parent reply other threads:[~2013-08-13 7:55 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-08-06 6:57 [PATCH net-next] xfrm: Make xfrm_state timer monotonic Fan Du
2013-08-06 9:22 ` Steffen Klassert
2013-08-12 5:40 ` [PATCHv2 " Fan Du
2013-08-13 7:55 ` Steffen Klassert [this message]
2013-08-13 8:37 ` Fan Du
2013-08-13 10:59 ` Steffen Klassert
2013-08-14 11:34 ` Steffen Klassert
-- strict thread matches above, loose matches on Subject: below --
2013-08-15 7:49 Fan Du
2013-08-15 21:23 ` David Miller
2013-08-16 9:30 ` Steffen Klassert
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