linux-kernel - [ANNOUNCE] v5.15.2-rt19

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Message-ID: <20211112175540.grp6vgrudiuq66lt@linutronix.de>
Date:   Fri, 12 Nov 2021 18:55:40 +0100
From:   Sebastian Andrzej Siewior <bigeasy@...utronix.de>
To:     Thomas Gleixner <tglx@...utronix.de>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        linux-rt-users@...r.kernel.org,
        Steven Rostedt <rostedt@...dmis.org>
Subject: [ANNOUNCE] v5.15.2-rt19

Dear RT folks!

I'm pleased to announce the v5.15.2-rt19 patch set. 

Changes since v5.15.2-rt18:

  - Remove an unused variable in mm/ so that the compiler so there is
    neither a warning from the compiler nor a complaint from the bot.
    Reported by kernel test robot <lkp@...el.com>.

Known issues
     - netconsole triggers WARN.

     - The "Memory controller" (CONFIG_MEMCG) has been disabled.

     - Valentin Schneider reported a few splats on ARM64, see
          https://lkml.kernel.org/r/20210810134127.1394269-1-valentin.schneider@arm.com

The delta patch against v5.15.2-rt18 is appended below and can be found here:
 
     https://cdn.kernel.org/pub/linux/kernel/projects/rt/5.15/incr/patch-5.15.2-rt18-rt19.patch.xz

You can get this release via the git tree at:

    git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git v5.15.2-rt19

The RT patch against v5.15.2 can be found here:

    https://cdn.kernel.org/pub/linux/kernel/projects/rt/5.15/older/patch-5.15.2-rt19.patch.xz

The split quilt queue is available at:

    https://cdn.kernel.org/pub/linux/kernel/projects/rt/5.15/older/patches-5.15.2-rt19.tar.xz

Sebastian

diff --git a/localversion-rt b/localversion-rt
index 9e7cd66d9f44f..483ad771f201a 100644
--- a/localversion-rt
+++ b/localversion-rt
@@ -1 +1 @@
--rt18
+-rt19
diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index eb714f00c1342..3c5be440ab303 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -1881,7 +1881,7 @@ static void *new_vmap_block(unsigned int order, gfp_t gfp_mask)
 	struct vmap_block *vb;
 	struct vmap_area *va;
 	unsigned long vb_idx;
-	int node, err, cpu;
+	int node, err;
 	void *vaddr;
 
 	node = numa_node_id();
@@ -1918,7 +1918,7 @@ static void *new_vmap_block(unsigned int order, gfp_t gfp_mask)
 		return ERR_PTR(err);
 	}
 
-	cpu = get_cpu_light();
+	get_cpu_light();
 	vbq = this_cpu_ptr(&vmap_block_queue);
 	spin_lock(&vbq->lock);
 	list_add_tail_rcu(&vb->free_list, &vbq->free);
@@ -1988,7 +1988,6 @@ static void *vb_alloc(unsigned long size, gfp_t gfp_mask)
 	struct vmap_block *vb;
 	void *vaddr = NULL;
 	unsigned int order;
-	int cpu;
 
 	BUG_ON(offset_in_page(size));
 	BUG_ON(size > PAGE_SIZE*VMAP_MAX_ALLOC);
@@ -2003,7 +2002,7 @@ static void *vb_alloc(unsigned long size, gfp_t gfp_mask)
 	order = get_order(size);
 
 	rcu_read_lock();
-	cpu = get_cpu_light();
+	get_cpu_light();
 	vbq = this_cpu_ptr(&vmap_block_queue);
 	list_for_each_entry_rcu(vb, &vbq->free, free_list) {
 		unsigned long pages_off;