Re: [Xen-devel] [PATCH v2 2/5] xen/console: allow log level threshold adjustments

[Daniel De Graaf <dgdegra@xxxxxxxxxxxxx>]

On 07/04/2016 11:13 AM, Wei Liu wrote:
> ... from serial console and via sysctl so that one doesn't always need
> to reboot to see more / less messages.
>
> Note that upper thresholds driven from the serial console 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 the
> sysctl interface.
>
> Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
>
> Rework the sysctl interface to pass in / out strings directly. Provide
> some helper functions to transform from log level numbers to strings and
> vice verse. Lower and upper bounds are checked. Add XSM hook.
>
> Signed-off-by: Wei Liu <wei.liu2@xxxxxxxxxx>
Acked-by: Daniel De Graaf <dgdegra@xxxxxxxxxxxxx>

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