On Wed, 2018-01-03 at 21:12:52 UTC, Jose Ricardo Ziviani wrote: > The hotplug engine uses its own workqueue to handle IRQ requests, the > problem is that such workqueue is initialized after init_ras_IRQ, which > will cause a kernel panic if any hotplug interruption is issued in that > period of time. > > This patch makes RAS IRQ registration explicitly dependent on DLPAR > workqueue and adds a check to make sure that the workqueue is not > initialized more than once. > > Reported-by: Min Deng <md...@redhat.com> > Reported-by: Daniel Henrique Barboza <danie...@linux.vnet.ibm.com> > Tested-by: Jose Ricardo Ziviani <jos...@linux.vnet.ibm.com> > Signed-off-by: Michael Ellerman <m...@ellerman.id.au> > Reviewed-by: David Gibson <da...@gibson.dropbear.id.au>
Applied to powerpc fixes, thanks. https://git.kernel.org/powerpc/c/e2d5915293ffdff977ddcfc12b817b cheers
