linux-kernel - [PATCH RFC 2/7] x86/head/64: Add missing __head annotation to startup_64_load

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Message-Id: <efcc5b5e18af880e415d884e072bf651c1fa7c34.1689130310.git.houwenlong.hwl@antgroup.com>
Date:   Wed, 12 Jul 2023 11:30:06 +0800
From:   "Hou Wenlong" <houwenlong.hwl@...group.com>
To:     linux-kernel@...r.kernel.org
Cc:     "Lai Jiangshan" <jiangshan.ljs@...group.com>,
        "Hou Wenlong" <houwenlong.hwl@...group.com>,
        "Thomas Gleixner" <tglx@...utronix.de>,
        "Ingo Molnar" <mingo@...hat.com>, "Borislav Petkov" <bp@...en8.de>,
        "Dave Hansen" <dave.hansen@...ux.intel.com>,
        "maintainer:X86 ARCHITECTURE 32-BIT AND 64-BIT" 
        <x86@...nel.org>, "H. Peter Anvin" <hpa@...or.com>,
        "Josh Poimboeuf" <jpoimboe@...nel.org>,
        "Anshuman Khandual" <anshuman.khandual@....com>,
        "Mike Rapoport" <rppt@...nel.org>,
        "Pasha Tatashin" <pasha.tatashin@...een.com>
Subject: [PATCH RFC 2/7] x86/head/64: Add missing __head annotation to startup_64_load_idt()

This function is currently only used in the head code and is only called
from startup_64_setup_env(). Although it would be inlined by the
compiler, it would be better to mark it as __head too.

Signed-off-by: Hou Wenlong <houwenlong.hwl@...group.com>
---
 arch/x86/kernel/head64.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/kernel/head64.c b/arch/x86/kernel/head64.c
index dd357807ffb5..5066189b00ac 100644
--- a/arch/x86/kernel/head64.c
+++ b/arch/x86/kernel/head64.c
@@ -588,7 +588,7 @@ static void set_bringup_idt_handler(gate_desc *idt, int n, void *handler)
 }
 
 /* This runs while still in the direct mapping */
-static void startup_64_load_idt(unsigned long physbase)
+static void __head startup_64_load_idt(unsigned long physbase)
 {
 	struct desc_ptr *desc = fixup_pointer(&bringup_idt_descr, physbase);
 	gate_desc *idt = fixup_pointer(bringup_idt_table, physbase);
-- 
2.31.1