From: Wei Liu <wei.liu2@citrix.com>
To: Jan Beulich <JBeulich@suse.com>
Cc: Stefano Stabellini <sstabellini@kernel.org>,
Wei Liu <wei.liu2@citrix.com>,
George Dunlap <George.Dunlap@eu.citrix.com>,
Andrew Cooper <andrew.cooper3@citrix.com>,
Ian Jackson <Ian.Jackson@eu.citrix.com>, Tim Deegan <tim@xen.org>,
xen-devel <xen-devel@lists.xenproject.org>
Subject: Re: [PATCH v4] console: allow log level threshold adjustments
Date: Mon, 12 Dec 2016 10:26:56 +0000 [thread overview]
Message-ID: <20161212102651.GN2709@citrix.com> (raw)
In-Reply-To: <584E870B0200007800127E23@prv-mh.provo.novell.com>
On Mon, Dec 12, 2016 at 03:16:27AM -0700, Jan Beulich wrote:
> ... from serial console so that one doesn't always need to reboot to
> see more / less messages.
>
> Note that upper thresholds are sticky, i.e. while they get adjusted
> upwards when the lower threshold would otherwise end up above the upper
> one, they don't get adjusted when reducing the lower one. Full
> flexibility is available only via a future sysctl interface.
>
> Note further that (meaningless) large threshold values aren't being
> rejected, for the sake of not adding more checks to the code than are
> really necessary for safe operation.
>
> Signed-off-by: Jan Beulich <jbeulich@suse.com>
Reviewed-by: Wei Liu <wei.liu2@citrix.com>
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next prev parent reply other threads:[~2016-12-12 10:27 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-12-12 10:16 [PATCH v4] console: allow log level threshold adjustments Jan Beulich
2016-12-12 10:26 ` Wei Liu [this message]
2016-12-12 10:51 ` Andrew Cooper
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