Messages in this thread | | | Date | Thu, 14 Mar 2024 12:27:14 +0100 | From | David Woodhouse <> | Subject | Re: [RFC PATCH 2/2] arm64: Use SYSTEM O FF2 PSCI call to power off for hibernate |
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On 14 March 2024 12:09:11 CET, Sudeep Holla <sudeep.holla@arm.com> wrote: >On Wed, Mar 13, 2024 at 03:34:44PM +0000, Sudeep Holla wrote: >> On Tue, Mar 12, 2024 at 04:36:05PM +0000, David Woodhouse wrote: >> > On Tue, 2024-03-12 at 15:57 +0000, Sudeep Holla wrote: >> > > Looked briefly at register_sys_off_handler and it should be OK to call >> > > it from psci_init_system_off2() below. Any particular reason for having >> > > separate initcall to do this ? We can even eliminate the need for >> > > psci_init_system_off2 if it can be called from there. What am I missing ? >> > >> > My first attempt did that. I don't think we can kmalloc that early: >> > >> >> That was was initial guess. But a quick hack on my setup and running it on >> the FVP model didn't complain. I think either I messed up or something else >> wrong, I must check on some h/w. Anyways sorry for the noise and thanks for >> the response. >> > >OK, it was indeed giving -ENOMEM which in my hack didn't get propogated >properly 🙁. I assume you have some configs that is resulting in the >crash instead of -ENOMEM as I see in my setup(FVP as well as hardware). > >Sorry for the noise.
Fairly stock Fedora config, with a few tweaks. http://david.woodhou.se/arm-hibernate-config
I note kmalloc_trace() is in the backtrace.
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