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Date: Fri, 16 Feb 2024 15:17:15 -0000
From: "tip-bot2 for Thomas Gleixner" <tip-bot2@linutronix.de>
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Subject: [tip: x86/apic] x86/jailhouse: Prepare for separate mpparse callbacks
Cc: Thomas Gleixner <tglx@linutronix.de>,
 Michael Kelley <mhklinux@outlook.com>, Sohil Mehta <sohil.mehta@intel.com>,
 x86@kernel.org, linux-kernel@vger.kernel.org
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The following commit has been merged into the x86/apic branch of tip:

Commit-ID:     30c928691ce1c861d22ef236ed28bbf0b7a763bc
Gitweb:        https://git.kernel.org/tip/30c928691ce1c861d22ef236ed28bbf0b7a763bc
Author:        Thomas Gleixner <tglx@linutronix.de>
AuthorDate:    Tue, 13 Feb 2024 22:05:10 +01:00
Committer:     Thomas Gleixner <tglx@linutronix.de>
CommitterDate: Thu, 15 Feb 2024 22:07:40 +01:00

x86/jailhouse: 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/20240212154639.683073662@linutronix.de


---
 arch/x86/kernel/jailhouse.c | 32 ++++++++++++++++++++------------
 1 file changed, 20 insertions(+), 12 deletions(-)

diff --git a/arch/x86/kernel/jailhouse.c b/arch/x86/kernel/jailhouse.c
index 578d16f..6d663af 100644
--- a/arch/x86/kernel/jailhouse.c
+++ b/arch/x86/kernel/jailhouse.c
@@ -118,6 +118,11 @@ static void __init jailhouse_get_smp_config(unsigned int early)
 	}
 }
 
+static void __init jailhouse_parse_smp_config(void)
+{
+	jailhouse_get_smp_config(false);
+}
+
 static void jailhouse_no_restart(void)
 {
 	pr_notice("Jailhouse: Restart not supported, halting\n");
@@ -201,21 +206,24 @@ static void __init jailhouse_init_platform(void)
 	struct setup_data header;
 	void *mapping;
 
-	x86_init.irqs.pre_vector_init	= x86_init_noop;
-	x86_init.timers.timer_init	= jailhouse_timer_init;
-	x86_init.mpparse.get_smp_config	= jailhouse_get_smp_config;
-	x86_init.pci.arch_init		= jailhouse_pci_arch_init;
+	x86_init.irqs.pre_vector_init		= x86_init_noop;
+	x86_init.timers.timer_init		= jailhouse_timer_init;
+	x86_init.mpparse.find_mptable		= x86_init_noop;
+	x86_init.mpparse.early_parse_smp_cfg	= x86_init_noop;
+	x86_init.mpparse.parse_smp_cfg		= jailhouse_parse_smp_config;
+	x86_init.mpparse.get_smp_config		= jailhouse_get_smp_config;
+	x86_init.pci.arch_init			= jailhouse_pci_arch_init;
 
-	x86_platform.calibrate_cpu	= jailhouse_get_tsc;
-	x86_platform.calibrate_tsc	= jailhouse_get_tsc;
-	x86_platform.get_wallclock	= jailhouse_get_wallclock;
-	x86_platform.legacy.rtc		= 0;
-	x86_platform.legacy.warm_reset	= 0;
-	x86_platform.legacy.i8042	= X86_LEGACY_I8042_PLATFORM_ABSENT;
+	x86_platform.calibrate_cpu		= jailhouse_get_tsc;
+	x86_platform.calibrate_tsc		= jailhouse_get_tsc;
+	x86_platform.get_wallclock		= jailhouse_get_wallclock;
+	x86_platform.legacy.rtc			= 0;
+	x86_platform.legacy.warm_reset		= 0;
+	x86_platform.legacy.i8042		= X86_LEGACY_I8042_PLATFORM_ABSENT;
 
-	legacy_pic			= &null_legacy_pic;
+	legacy_pic				= &null_legacy_pic;
 
-	machine_ops.emergency_restart	= jailhouse_no_restart;
+	machine_ops.emergency_restart		= jailhouse_no_restart;
 
 	while (pa_data) {
 		mapping = early_memremap(pa_data, sizeof(header));