[patch 16/53] x86/xen/smp_pv: Prepare for separate mpparse callbacks

Thomas Gleixner
2023-08-07T13:53:58Z

Provide a wrapper around the existing function and fill the new callbacks
in.

No functional change as the new callbacks are not yet operational.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
arch/x86/xen/smp_pv.c | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)

--- a/arch/x86/xen/smp_pv.c
+++ b/arch/x86/xen/smp_pv.c
@@ -185,6 +185,11 @@ static void __init _get_smp_config(unsig
smp_found_config = 1;
}

+static void __init xen_pv_smp_config(void)
+{
+ _get_smp_config(false);
+}
+
static void __init xen_pv_smp_prepare_boot_cpu(void)
{
BUG_ON(smp_processor_id() != 0);
@@ -455,6 +460,8 @@ void __init xen_smp_init(void)
smp_ops = xen_smp_ops;

/* Avoid searching for BIOS MP tables */
- x86_init.mpparse.find_mptable = x86_init_noop;
- x86_init.mpparse.get_smp_config = _get_smp_config;
+ x86_init.mpparse.find_mptable = x86_init_noop;
+ x86_init.mpparse.early_parse_smp_cfg = x86_init_noop;
+ x86_init.mpparse.parse_smp_cfg = xen_pv_smp_config;
+ x86_init.mpparse.get_smp_config = _get_smp_config;
}