On Fri, 2017-11-17 at 18:58:59 UTC, "Guilherme G. Piccoli" wrote: > During a kdump kernel boot in PowerPC, we request a reset of the PHBs > to the FW. It makes sense, since if we are booting a kdump kernel it > means we had some trouble before and we cannot rely in the adapters' > health; they could be in a bad state, hence the reset is needed. > > But this reset is useful not only in kdump - there are situations, > specially when debugging drivers, that we could break an adapter in > a way it requires such reset. One can tell to just go ahead and > reboot the machine, but happens that many times doing kexec is much > faster, and so preferable than a full power cycle. > > This patch adds the ppc_pci_reset_phbs parameter to perform such reset. > > Signed-off-by: Guilherme G. Piccoli <gpicc...@linux.vnet.ibm.com>
Applied to powerpc next, thanks. https://git.kernel.org/powerpc/c/45baee1416a0086dccaa8a94c70e67 cheers