Messages in this thread | | | Date | Tue, 30 Jul 2013 15:40:25 -0600 | From | Stephen Warren <> | Subject | Re: [PATCH] ARM: kexec: validate CPU hotplug support |
| |
On 07/19/2013 09:18 AM, Stephen Warren wrote: > On 07/11/2013 04:48 PM, Stephen Warren wrote: >> From: Stephen Warren <swarren@nvidia.com> >> >> Architectures should fully validate whether kexec is possible as part of >> machine_kexec_prepare(), so that user-space's kexec_load() operation can >> report any problems. Performing validation in machine_kexec() itself is >> too late, since it is not allowed to return. >> >> Prior to this patch, ARM's machine_kexec() was testing after-the-fact >> whether machine_kexec_prepare() was able to disable all but one CPU. >> Instead, modify machine_kexec_prepare() to validate all conditions >> necessary for machine_kexec_prepare()'s to succeed. BUG if the validation >> succeeded, yet disabling the CPUs didn't actually work. > > Russell, does this look good to put into the ARM patch tracker?
I put this in the patch tracker since I assume that no response means no objection.
| |