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SubjectRe: [RFC v2 3/6] kthread: warn on kill signal if not OOM
On Tue, Sep 09, 2014 at 12:25:29PM +0900, Tejun Heo wrote:
> Hello,
>
> On Mon, Sep 08, 2014 at 08:19:12PM -0700, Luis R. Rodriguez wrote:
> > On the systemd side of things it should enable this sysctl and for
> > older kernels what should it do?
>
> Supposing the change is backported via -stable, it can try to set the
> sysctl on all kernels. If the knob doesn't exist, the fix is not
> there and nothing can be done about it.

The more I think about it, the more I think this should be a
per-insmod instance thing rather than a system-wide switch. Currently
the kernel param code doesn't allow a generic param outside the ones
specified by the module itself but adding support for something like
driver.async_load=1 shouldn't be too difficult, applying that to
existing systems shouldn't be much more difficult than a system-wide
switch, and it'd be siginificantly cleaner than fiddling with driver
blacklist.

Thanks.

--
tejun


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