Adding debian version 5.10.209-2.debian/5.10.209-2debian

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 73 insertions, 0 deletions

diff --git a/debian/patches-rt/0229-mm-vmalloc-Another-preempt-disable-region-which-suck.patch b/debian/patches-rt/0229-mm-vmalloc-Another-preempt-disable-region-which-suck.patch
new file mode 100644
index 000000000..c699a1ab7
--- /dev/null
+++ b/debian/patches-rt/0229-mm-vmalloc-Another-preempt-disable-region-which-suck.patch
@@ -0,0 +1,73 @@
+From 61aced1d729a22bbaf66e1f68806e04058bafb3f Mon Sep 17 00:00:00 2001
+From: Thomas Gleixner <tglx@linutronix.de>
+Date: Tue, 12 Jul 2011 11:39:36 +0200
+Subject: [PATCH 229/323] mm/vmalloc: Another preempt disable region which
+ sucks
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/5.10/older/patches-5.10.204-rt100.tar.xz
+
+Avoid the preempt disable version of get_cpu_var(). The inner-lock should
+provide enough serialisation.
+
+Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
+---
+ mm/vmalloc.c | 13 ++++++++-----
+ 1 file changed, 8 insertions(+), 5 deletions(-)
+
+diff --git a/mm/vmalloc.c b/mm/vmalloc.c
+index d6a4794fa8ca..8113e4f0d2f2 100644
+--- a/mm/vmalloc.c
++++ b/mm/vmalloc.c
+@@ -1542,7 +1542,7 @@ 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;
++	int node, err, cpu;
+ 	void *vaddr;
+ 
+ 	node = numa_node_id();
+@@ -1579,11 +1579,12 @@ static void *new_vmap_block(unsigned int order, gfp_t gfp_mask)
+ 		return ERR_PTR(err);
+ 	}
+ 
+-	vbq = &get_cpu_var(vmap_block_queue);
++	cpu = get_cpu_light();
++	vbq = this_cpu_ptr(&vmap_block_queue);
+ 	spin_lock(&vbq->lock);
+ 	list_add_tail_rcu(&vb->free_list, &vbq->free);
+ 	spin_unlock(&vbq->lock);
+-	put_cpu_var(vmap_block_queue);
++	put_cpu_light();
+ 
+ 	return vaddr;
+ }
+@@ -1648,6 +1649,7 @@ 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);
+@@ -1662,7 +1664,8 @@ static void *vb_alloc(unsigned long size, gfp_t gfp_mask)
+ 	order = get_order(size);
+ 
+ 	rcu_read_lock();
+-	vbq = &get_cpu_var(vmap_block_queue);
++	cpu = get_cpu_light();
++	vbq = this_cpu_ptr(&vmap_block_queue);
+ 	list_for_each_entry_rcu(vb, &vbq->free, free_list) {
+ 		unsigned long pages_off;
+ 
+@@ -1685,7 +1688,7 @@ static void *vb_alloc(unsigned long size, gfp_t gfp_mask)
+ 		break;
+ 	}
+ 
+-	put_cpu_var(vmap_block_queue);
++	put_cpu_light();
+ 	rcu_read_unlock();
+ 
+ 	/* Allocate new block if nothing was found */
+-- 
+2.43.0
+