linux-kernel - [PATCH] x86/boot/compressed/64: Remove unused variable

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Date:   Tue, 16 Jul 2019 21:17:20 +0800
From:   Zhenzhong Duan <zhenzhong.duan@...cle.com>
To:     linux-kernel@...r.kernel.org
Cc:     x86@...nel.org, Zhenzhong Duan <zhenzhong.duan@...cle.com>,
        "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>
Subject: [PATCH] x86/boot/compressed/64: Remove unused variable

Fix gcc warning:

arch/x86/boot/compressed/pgtable_64.c: In function 'find_trampoline_placement':
arch/x86/boot/compressed/pgtable_64.c:43:16: warning: unused variable 'trampoline_start' [-Wunused-variable]
  unsigned long trampoline_start;
                ^

Signed-off-by: Zhenzhong Duan <zhenzhong.duan@...cle.com>
Cc: Kirill A. Shutemov <kirill.shutemov@...ux.intel.com>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Thomas Gleixner <tglx@...utronix.de>
Cc: Ingo Molnar <mingo@...hat.com>
Cc: Borislav Petkov <bp@...en8.de>
---
 arch/x86/boot/compressed/pgtable_64.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/arch/x86/boot/compressed/pgtable_64.c b/arch/x86/boot/compressed/pgtable_64.c
index f8debf7..5f2d030 100644
--- a/arch/x86/boot/compressed/pgtable_64.c
+++ b/arch/x86/boot/compressed/pgtable_64.c
@@ -40,7 +40,6 @@ struct paging_config {
 static unsigned long find_trampoline_placement(void)
 {
 	unsigned long bios_start = 0, ebda_start = 0;
-	unsigned long trampoline_start;
 	struct boot_e820_entry *entry;
 	char *signature;
 	int i;
-- 
1.8.3.1