linux-kernel - [PATCH] x86/irq/64: fix the missing update on comment

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Date:   Fri, 19 Jul 2019 16:16:35 +0800
From:   Cao jin <caoj.fnst@...fujitsu.com>
To:     <x86@...nel.org>, <linux-kernel@...r.kernel.org>
CC:     <tglx@...utronix.de>, <mingo@...hat.com>, <bp@...en8.de>,
        <hpa@...or.com>, <luto@...nel.org>
Subject: [PATCH] x86/irq/64: fix the missing update on comment

Commit e6401c130931 ("x86/irq/64: Split the IRQ stack into its own pages")
missed to update one piece of comment as it did to its peer in Xen, which
will confuse people who still need to read comment.

A bonus fix to identation in ZO's linker script: spaces -> tab.

Signed-off-by: Cao jin <caoj.fnst@...fujitsu.com>
---
 arch/x86/boot/compressed/vmlinux.lds.S | 4 ++--
 arch/x86/kernel/head_64.S              | 8 ++++----
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/arch/x86/boot/compressed/vmlinux.lds.S b/arch/x86/boot/compressed/vmlinux.lds.S
index 508cfa6828c5..23100c52a7d0 100644
--- a/arch/x86/boot/compressed/vmlinux.lds.S
+++ b/arch/x86/boot/compressed/vmlinux.lds.S
@@ -64,8 +64,8 @@ SECTIONS
 		_ebss = .;
 	}
 #ifdef CONFIG_X86_64
-       . = ALIGN(PAGE_SIZE);
-       .pgtable : {
+	. = ALIGN(PAGE_SIZE);
+	.pgtable : {
 		_pgtable = . ;
 		*(.pgtable)
 		_epgtable = . ;
diff --git a/arch/x86/kernel/head_64.S b/arch/x86/kernel/head_64.S
index bcd206c8ac90..cba94468795e 100644
--- a/arch/x86/kernel/head_64.S
+++ b/arch/x86/kernel/head_64.S
@@ -195,10 +195,10 @@ ENTRY(secondary_startup_64)
 
 	/* Set up %gs.
 	 *
-	 * The base of %gs always points to the bottom of the irqstack
-	 * union.  If the stack protector canary is enabled, it is
-	 * located at %gs:40.  Note that, on SMP, the boot cpu uses
-	 * init data section till per cpu areas are set up.
+	 * The base of %gs always points to fixed_percpu_data. If the
+	 * stack protector canary is enabled, it is located at %gs:40.
+	 * Note that, on SMP, the boot cpu uses init data section till
+	 * per cpu areas are set up.
 	 */
 	movl	$MSR_GS_BASE,%ecx
 	movl	initial_gs(%rip),%eax
-- 
2.17.0