linux-kernel - [RFC PATCH morse] x86/resctrl: domain_list

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Date:   Thu, 18 Nov 2021 08:25:01 +0800
From:   kernel test robot <lkp@...el.com>
To:     James Morse <james.morse@....com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: [RFC PATCH morse] x86/resctrl: domain_list_lock can be static

arch/x86/kernel/cpu/resctrl/core.c:34:1: warning: symbol 'domain_list_lock' was not declared. Should it be static?

Fixes: 63dc771f7240 ("x86/resctrl: Split arch and fs resctrl locks")
Reported-by: kernel test robot <lkp@...el.com>
Signed-off-by: kernel test robot <lkp@...el.com>
---
 core.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/kernel/cpu/resctrl/core.c b/arch/x86/kernel/cpu/resctrl/core.c
index ae5d9e2d20b3b2..439078c4a676b3 100644
--- a/arch/x86/kernel/cpu/resctrl/core.c
+++ b/arch/x86/kernel/cpu/resctrl/core.c
@@ -31,7 +31,7 @@
  * The rdt_resource's domain list is updated when this happens. The domain
  * list is protected by cpuhp as a rwlock, writers also take this mutex.
  */
-DEFINE_MUTEX(domain_list_lock);
+static DEFINE_MUTEX(domain_list_lock);
 
 /*
  * The cached resctrl_pqr_state is strictly per CPU and can never be