linux-kernel - [tip: x86/apic] x86/mpparse: Provide separate early/late callbacks

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Date: Fri, 16 Feb 2024 15:17:19 -0000
From: "tip-bot2 for Thomas Gleixner" <tip-bot2@...utronix.de>
To: linux-tip-commits@...r.kernel.org
Cc: Thomas Gleixner <tglx@...utronix.de>,
 Michael Kelley <mhklinux@...look.com>, Sohil Mehta <sohil.mehta@...el.com>,
 x86@...nel.org, linux-kernel@...r.kernel.org
Subject: [tip: x86/apic] x86/mpparse: Provide separate early/late callbacks

The following commit has been merged into the x86/apic branch of tip:

Commit-ID:     fc60fd009c830a21c7699c6e36ab9ec51b9dd939
Gitweb:        https://git.kernel.org/tip/fc60fd009c830a21c7699c6e36ab9ec51b9dd939
Author:        Thomas Gleixner <tglx@...utronix.de>
AuthorDate:    Tue, 13 Feb 2024 22:05:03 +01:00
Committer:     Thomas Gleixner <tglx@...utronix.de>
CommitterDate: Thu, 15 Feb 2024 22:07:40 +01:00

x86/mpparse: Provide separate early/late callbacks

The early argument of x86_init::mpparse::get_smp_config() is more than
confusing. Provide two callbacks, one for each purpose.

Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
Tested-by: Michael Kelley <mhklinux@...look.com>
Tested-by: Sohil Mehta <sohil.mehta@...el.com>
Link: https://lore.kernel.org/r/20240212154639.370491894@linutronix.de



---
 arch/x86/include/asm/x86_init.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/x86/include/asm/x86_init.h b/arch/x86/include/asm/x86_init.h
index 4ae7764..375825f 100644
--- a/arch/x86/include/asm/x86_init.h
+++ b/arch/x86/include/asm/x86_init.h
@@ -17,11 +17,15 @@ struct irq_domain;
  * @setup_ioapic_ids:		platform specific ioapic id override
  * @find_mptable:		Find MPTABLE early to reserve the memory region
  * @get_smp_config:		get the smp configuration
+ * @early_parse_smp_cfg:	Parse the SMP configuration data early before initmem_init()
+ * @parse_smp_cfg:		Parse the SMP configuration data
  */
 struct x86_init_mpparse {
 	void (*setup_ioapic_ids)(void);
 	void (*find_mptable)(void);
 	void (*get_smp_config)(unsigned int early);
+	void (*early_parse_smp_cfg)(void);
+	void (*parse_smp_cfg)(void);
 };
 
 /**