linux-kernel - [tip:smp/hotplug] smp: Do not mark call_function

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Date:   Sun, 23 Jun 2019 05:31:18 -0700
From:   tip-bot for Nadav Amit <tipbot@...or.com>
To:     linux-tip-commits@...r.kernel.org
Cc:     dave.hansen@...ux.intel.com, hpa@...or.com, tglx@...utronix.de,
        peterz@...radead.org, riel@...riel.com, bp@...en8.de,
        mingo@...nel.org, namit@...are.com, linux-kernel@...r.kernel.org,
        luto@...nel.org
Subject: [tip:smp/hotplug] smp: Do not mark call_function_data as shared

Commit-ID:  a22793c79d6ea0a492ce1a308ec46df52ee9406e
Gitweb:     https://git.kernel.org/tip/a22793c79d6ea0a492ce1a308ec46df52ee9406e
Author:     Nadav Amit <namit@...are.com>
AuthorDate: Wed, 12 Jun 2019 23:48:11 -0700
Committer:  Thomas Gleixner <tglx@...utronix.de>
CommitDate: Sun, 23 Jun 2019 14:26:25 +0200

smp: Do not mark call_function_data as shared

cfd_data is marked as shared, but although it hold pointers to shared
data structures, it is private per core.

Signed-off-by: Nadav Amit <namit@...are.com>
Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Andy Lutomirski <luto@...nel.org>
Cc: Borislav Petkov <bp@...en8.de>
Cc: Dave Hansen <dave.hansen@...ux.intel.com>
Cc: Rik van Riel <riel@...riel.com>
Link: https://lkml.kernel.org/r/20190613064813.8102-8-namit@vmware.com

---
 kernel/smp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/smp.c b/kernel/smp.c
index d155374632eb..220ad142f5dd 100644
--- a/kernel/smp.c
+++ b/kernel/smp.c
@@ -34,7 +34,7 @@ struct call_function_data {
 	cpumask_var_t		cpumask_ipi;
 };
 
-static DEFINE_PER_CPU_SHARED_ALIGNED(struct call_function_data, cfd_data);
+static DEFINE_PER_CPU_ALIGNED(struct call_function_data, cfd_data);
 
 static DEFINE_PER_CPU_SHARED_ALIGNED(struct llist_head, call_single_queue);