Re: [PATCH v3 03/26] MIPS: sgi-ip27: ensure node_possible_map only contains valid nodes
Jonathan Cameron <[email protected]>
| Newsgroups | gmane.linux.ports.mips,gmane.linux.kernel,gmane.linux.drivers.devicetree,gmane.linux.acpi.devel,gmane.linux.kernel.cross-arch,gmane.linux.ports.arm.kernel,gmane.linux.documentation,gmane.linux.kernel.mm,gmane.linux.ports.riscv,gmane.linux.ports.sh.devel,gmane.linux.ports.ppc64.devel,gmane.linux.ports.sparc |
|---|---|
| Organization | Huawei Technologies Research and Development (UK) Ltd. |
| Message-ID | <[email protected]> |
On Thu, 1 Aug 2024 09:08:03 +0300 Mike Rapoport <[email protected]> wrote: > From: "Mike Rapoport (Microsoft)" <[email protected]> > > For SGI IP27 machines node_possible_map is statically set to > NODE_MASK_ALL and it is not updated during NUMA initialization. > > Ensure that it only contains nodes present in the system. > > Signed-off-by: Mike Rapoport (Microsoft) <[email protected]> Reviewed-by: Jonathan Cameron <[email protected]> > --- > arch/mips/sgi-ip27/ip27-smp.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/arch/mips/sgi-ip27/ip27-smp.c b/arch/mips/sgi-ip27/ip27-smp.c > index 5d2652a1d35a..62733e049570 100644 > --- a/arch/mips/sgi-ip27/ip27-smp.c > +++ b/arch/mips/sgi-ip27/ip27-smp.c > @@ -70,11 +70,13 @@ void cpu_node_probe(void) > gda_t *gdap = GDA; > > nodes_clear(node_online_map); > + nodes_clear(node_possible_map); > for (i = 0; i < MAX_NUMNODES; i++) { > nasid_t nasid = gdap->g_nasidtable[i]; > if (nasid == INVALID_NASID) > break; > node_set_online(nasid); > + node_set(nasid, node_possible_map); > highest = node_scan_cpus(nasid, highest); > } >