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authorPaolo Abeni <pabeni@redhat.com>2024-09-27 08:13:52 +0200
committerPaolo Abeni <pabeni@redhat.com>2024-09-27 08:13:52 +0200
commit3a39d672e7f48b8d6b91a09afa4b55352773b4b5 (patch)
treef7ec4043b508f48430dd09ac338c38acf7d5a6cd /kernel/cpu.c
parent151ac45348afc5b56baa584c7cd4876addf461ff (diff)
parent62a0e2fa40c5c06742b8b4997ba5095a3ec28503 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR. No conflicts and no adjacent changes. Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Diffstat (limited to 'kernel/cpu.c')
-rw-r--r--kernel/cpu.c22
1 files changed, 18 insertions, 4 deletions
diff --git a/kernel/cpu.c b/kernel/cpu.c
index b1fd2a3db91a..d293d52a3e00 100644
--- a/kernel/cpu.c
+++ b/kernel/cpu.c
@@ -330,7 +330,7 @@ static bool cpuhp_wait_for_sync_state(unsigned int cpu, enum cpuhp_sync_state st
/* Poll for one millisecond */
arch_cpuhp_sync_state_poll();
} else {
- usleep_range_state(USEC_PER_MSEC, 2 * USEC_PER_MSEC, TASK_UNINTERRUPTIBLE);
+ usleep_range(USEC_PER_MSEC, 2 * USEC_PER_MSEC);
}
sync = atomic_read(st);
}
@@ -1808,6 +1808,7 @@ static int __init parallel_bringup_parse_param(char *arg)
}
early_param("cpuhp.parallel", parallel_bringup_parse_param);
+#ifdef CONFIG_HOTPLUG_SMT
static inline bool cpuhp_smt_aware(void)
{
return cpu_smt_max_threads > 1;
@@ -1817,6 +1818,21 @@ static inline const struct cpumask *cpuhp_get_primary_thread_mask(void)
{
return cpu_primary_thread_mask;
}
+#else
+static inline bool cpuhp_smt_aware(void)
+{
+ return false;
+}
+static inline const struct cpumask *cpuhp_get_primary_thread_mask(void)
+{
+ return cpu_none_mask;
+}
+#endif
+
+bool __weak arch_cpuhp_init_parallel_bringup(void)
+{
+ return true;
+}
/*
* On architectures which have enabled parallel bringup this invokes all BP
@@ -2689,9 +2705,7 @@ int cpuhp_smt_disable(enum cpuhp_smt_control ctrlval)
return ret;
}
-/**
- * Check if the core a CPU belongs to is online
- */
+/* Check if the core a CPU belongs to is online */
#if !defined(topology_is_core_online)
static inline bool topology_is_core_online(unsigned int cpu)
{