From 0baf4d485cbe5c1b94433f3f5aed2e6e6cd91b02 Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Tue, 13 Feb 2024 22:05:12 +0100
Subject: [PATCH] x86/xen/smp_pv: Prepare for separate mpparse callbacks
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>
Tested-by: Michael Kelley <mhklinux@outlook.com>
Tested-by: Sohil Mehta <sohil.mehta@intel.com>
Link: https://lore.kernel.org/r/20240212154639.745028043@linutronix.de
---
arch/x86/xen/smp_pv.c | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)
diff --git a/arch/x86/xen/smp_pv.c b/arch/x86/xen/smp_pv.c
index 44c35b12430ff..bd939b8b1a063 100644
--- a/arch/x86/xen/smp_pv.c
+++ b/arch/x86/xen/smp_pv.c
@@ -185,6 +185,11 @@ static void __init _get_smp_config(unsigned int early)
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;
}
--
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