Re: [PATCH v3 05/12] powerpc/drmem: make lmb walk a bit more flexible

From: Thiago Jung Bauermann
Date: Tue Jul 14 2020 - 23:50:57 EST



Hari Bathini <hbathini@xxxxxxxxxxxxx> writes:

> @@ -534,7 +537,7 @@ static int __init early_init_dt_scan_memory_ppc(unsigned long node,
> #ifdef CONFIG_PPC_PSERIES
> if (depth == 1 &&
> strcmp(uname, "ibm,dynamic-reconfiguration-memory") == 0) {
> - walk_drmem_lmbs_early(node, early_init_drmem_lmb);
> + walk_drmem_lmbs_early(node, NULL, early_init_drmem_lmb);

walk_drmem_lmbs_early() can now fail. Should this failure be propagated
as a return value of early_init_dt_scan_memory_ppc()?

> return 0;
> }
> #endif
<snip>

> @@ -787,7 +790,7 @@ static int __init parse_numa_properties(void)
> */
> memory = of_find_node_by_path("/ibm,dynamic-reconfiguration-memory");
> if (memory) {
> - walk_drmem_lmbs(memory, numa_setup_drmem_lmb);
> + walk_drmem_lmbs(memory, NULL, numa_setup_drmem_lmb);

Similarly here. Now that this call can fail, should
parse_numa_properties() handle or propagate the failure?

> of_node_put(memory);
> }
>


--
Thiago Jung Bauermann
IBM Linux Technology Center