summaryrefslogtreecommitdiff
path: root/init
diff options
context:
space:
mode:
authorThomas Gleixner <tglx@linutronix.de>2024-03-04 11:12:22 +0100
committerIngo Molnar <mingo@kernel.org>2024-03-04 12:01:54 +0100
commit712610725c48c829e42bebfc9908cd92468e2731 (patch)
tree48ab84808ef0195a784ce0cdb94b8f0b9bfcf41c /init
parent5323922f50ecdf9d10cdd2fabd06507e5b4f3feb (diff)
downloadlwn-712610725c48c829e42bebfc9908cd92468e2731.tar.gz
lwn-712610725c48c829e42bebfc9908cd92468e2731.zip
smp: Consolidate smp_prepare_boot_cpu()
There is no point in having seven architectures implementing the same empty stub. Provide a weak function in the init code and remove the stubs. This also allows to utilize the function on UP which is required to sanitize the per CPU handling on X86 UP. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@kernel.org> Link: https://lore.kernel.org/r/20240304005104.567671691@linutronix.de
Diffstat (limited to 'init')
-rw-r--r--init/main.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/init/main.c b/init/main.c
index e24b0780fdff..d60bc4b23dd4 100644
--- a/init/main.c
+++ b/init/main.c
@@ -776,6 +776,10 @@ void __init __weak smp_setup_processor_id(void)
{
}
+void __init __weak smp_prepare_boot_cpu(void)
+{
+}
+
# if THREAD_SIZE >= PAGE_SIZE
void __init __weak thread_stack_cache_init(void)
{