linux-kernel - [PATCH] x86/boot: save several bytes in decompressor

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Message-ID: <20190123100014.23721-1-caoj.fnst@cn.fujitsu.com>
Date:   Wed, 23 Jan 2019 18:00:14 +0800
From:   Cao jin <caoj.fnst@...fujitsu.com>
To:     <linux-kernel@...r.kernel.org>, <x86@...nel.org>
CC:     <tglx@...utronix.de>, <mingo@...hat.com>, <bp@...en8.de>,
        <hpa@...or.com>, <kirill.shutemov@...ux.intel.com>
Subject: [PATCH] x86/boot: save several bytes in decompressor

gdt64 represents the content of GDTR under x86-64, which actually needs
10 bytes only, ".long" & ".word" is superfluous.

Signed-off-by: Cao jin <caoj.fnst@...fujitsu.com>
---
 arch/x86/boot/compressed/head_64.S | 2 --
 1 file changed, 2 deletions(-)

diff --git a/arch/x86/boot/compressed/head_64.S b/arch/x86/boot/compressed/head_64.S
index 58f6a467f1fa..541358454f10 100644
--- a/arch/x86/boot/compressed/head_64.S
+++ b/arch/x86/boot/compressed/head_64.S
@@ -642,8 +642,6 @@ no_longmode:
 	.data
 gdt64:
 	.word	gdt_end - gdt
-	.long	0
-	.word	0
 	.quad   0
 gdt:
 	.word	gdt_end - gdt
-- 
2.17.0