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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 18:47:48 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 18:47:48 +0000
commita1865fbd182b17f2d2f465f557af5b45501c5f1c (patch)
tree59da519ef2e59c763bb8efdbe67bc348cf833767 /arch/powerpc/kernel
parentAdding upstream version 6.7.9. (diff)
downloadlinux-a1865fbd182b17f2d2f465f557af5b45501c5f1c.tar.xz
linux-a1865fbd182b17f2d2f465f557af5b45501c5f1c.zip
Adding upstream version 6.7.12.upstream/6.7.12
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/powerpc/kernel')
-rw-r--r--arch/powerpc/kernel/prom.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c
index 0b5878c312..77364729a1 100644
--- a/arch/powerpc/kernel/prom.c
+++ b/arch/powerpc/kernel/prom.c
@@ -375,6 +375,18 @@ static int __init early_init_dt_scan_cpus(unsigned long node,
if (IS_ENABLED(CONFIG_PPC64))
boot_cpu_hwid = be32_to_cpu(intserv[found_thread]);
+ if (nr_cpu_ids % nthreads != 0) {
+ set_nr_cpu_ids(ALIGN(nr_cpu_ids, nthreads));
+ pr_warn("nr_cpu_ids was not a multiple of threads_per_core, adjusted to %d\n",
+ nr_cpu_ids);
+ }
+
+ if (boot_cpuid >= nr_cpu_ids) {
+ set_nr_cpu_ids(min(CONFIG_NR_CPUS, ALIGN(boot_cpuid + 1, nthreads)));
+ pr_warn("Boot CPU %d >= nr_cpu_ids, adjusted nr_cpu_ids to %d\n",
+ boot_cpuid, nr_cpu_ids);
+ }
+
/*
* PAPR defines "logical" PVR values for cpus that
* meet various levels of the architecture: