From: Jan Beulich <jbeulich@suse.com>
Date: Thu, 11 Apr 2019 08:25:22 +0000 (+0200)
Subject: xmalloc: statically initialize pool list head and lock
X-Git-Tag: archive/raspbian/4.14.0+80-gd101b417b7-1+rpi1^2~63^2~2322
X-Git-Url: https://dgit.raspbian.org/%22http://www.example.com/cgi/%22/%22http:/www.example.com/cgi/%22?a=commitdiff_plain;h=85aea83d46d24eb420235b172cd3f427a8153c18;p=xen.git

xmalloc: statically initialize pool list head and lock

There's no need to execute any instructions for doing so.

Signed-off-by: Jan Beulich <jbeulich@suse.com>
Reviewed-by: George Dunlap <george.dunlap@citrix.com>
Reviewed-by: Wei Liu <wei.liu2@citrix.com>
---

diff --git a/xen/common/xmalloc_tlsf.c b/xen/common/xmalloc_tlsf.c
index b256dc56cf..2076953ac4 100644
--- a/xen/common/xmalloc_tlsf.c
+++ b/xen/common/xmalloc_tlsf.c
@@ -65,8 +65,8 @@
 #define PREV_FREE       (0x2)
 #define PREV_USED       (0x0)
 
-static spinlock_t pool_list_lock;
-static struct list_head pool_list_head;
+static DEFINE_SPINLOCK(pool_list_lock);
+static LIST_HEAD(pool_list_head);
 
 struct free_ptr {
     struct bhdr *prev;
@@ -551,8 +551,6 @@ static void *xmalloc_whole_pages(unsigned long size, unsigned long align)
 
 static void tlsf_init(void)
 {
-    INIT_LIST_HEAD(&pool_list_head);
-    spin_lock_init(&pool_list_lock);
     xenpool = xmem_pool_create(
         "xmalloc", xmalloc_pool_get, xmalloc_pool_put,
         PAGE_SIZE, 0, PAGE_SIZE);