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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:06:00 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:06:00 +0000
commitb15a952c52a6825376d3e7f6c1bf5c886c6d8b74 (patch)
tree1500f2f8f276908a36d8126cb632c0d6b1276764 /debian/patches-rt/0206-slub-Disable-SLUB_CPU_PARTIAL.patch
parentAdding upstream version 5.10.209. (diff)
downloadlinux-b15a952c52a6825376d3e7f6c1bf5c886c6d8b74.tar.xz
linux-b15a952c52a6825376d3e7f6c1bf5c886c6d8b74.zip
Adding debian version 5.10.209-2.debian/5.10.209-2
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'debian/patches-rt/0206-slub-Disable-SLUB_CPU_PARTIAL.patch')
-rw-r--r--debian/patches-rt/0206-slub-Disable-SLUB_CPU_PARTIAL.patch54
1 files changed, 54 insertions, 0 deletions
diff --git a/debian/patches-rt/0206-slub-Disable-SLUB_CPU_PARTIAL.patch b/debian/patches-rt/0206-slub-Disable-SLUB_CPU_PARTIAL.patch
new file mode 100644
index 000000000..9f521b566
--- /dev/null
+++ b/debian/patches-rt/0206-slub-Disable-SLUB_CPU_PARTIAL.patch
@@ -0,0 +1,54 @@
+From 8da7619853b38005d113af771657ad188006e1d5 Mon Sep 17 00:00:00 2001
+From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
+Date: Wed, 15 Apr 2015 19:00:47 +0200
+Subject: [PATCH 206/323] slub: Disable SLUB_CPU_PARTIAL
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/5.10/older/patches-5.10.204-rt100.tar.xz
+
+|BUG: sleeping function called from invalid context at kernel/locking/rtmutex.c:915
+|in_atomic(): 1, irqs_disabled(): 0, pid: 87, name: rcuop/7
+|1 lock held by rcuop/7/87:
+| #0: (rcu_callback){......}, at: [<ffffffff8112c76a>] rcu_nocb_kthread+0x1ca/0x5d0
+|Preemption disabled at:[<ffffffff811eebd9>] put_cpu_partial+0x29/0x220
+|
+|CPU: 0 PID: 87 Comm: rcuop/7 Tainted: G W 4.0.0-rt0+ #477
+|Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.7.5-20140531_083030-gandalf 04/01/2014
+| 000000000007a9fc ffff88013987baf8 ffffffff817441c7 0000000000000007
+| 0000000000000000 ffff88013987bb18 ffffffff810eee51 0000000000000000
+| ffff88013fc10200 ffff88013987bb48 ffffffff8174a1c4 000000000007a9fc
+|Call Trace:
+| [<ffffffff817441c7>] dump_stack+0x4f/0x90
+| [<ffffffff810eee51>] ___might_sleep+0x121/0x1b0
+| [<ffffffff8174a1c4>] rt_spin_lock+0x24/0x60
+| [<ffffffff811a689a>] __free_pages_ok+0xaa/0x540
+| [<ffffffff811a729d>] __free_pages+0x1d/0x30
+| [<ffffffff811eddd5>] __free_slab+0xc5/0x1e0
+| [<ffffffff811edf46>] free_delayed+0x56/0x70
+| [<ffffffff811eecfd>] put_cpu_partial+0x14d/0x220
+| [<ffffffff811efc98>] __slab_free+0x158/0x2c0
+| [<ffffffff811f0021>] kmem_cache_free+0x221/0x2d0
+| [<ffffffff81204d0c>] file_free_rcu+0x2c/0x40
+| [<ffffffff8112c7e3>] rcu_nocb_kthread+0x243/0x5d0
+| [<ffffffff810e951c>] kthread+0xfc/0x120
+| [<ffffffff8174abc8>] ret_from_fork+0x58/0x90
+
+Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
+---
+ init/Kconfig | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/init/Kconfig b/init/Kconfig
+index 7e9578a0176f..c5f276d782de 100644
+--- a/init/Kconfig
++++ b/init/Kconfig
+@@ -2011,7 +2011,7 @@ config SHUFFLE_PAGE_ALLOCATOR
+
+ config SLUB_CPU_PARTIAL
+ default y
+- depends on SLUB && SMP
++ depends on SLUB && SMP && !PREEMPT_RT
+ bool "SLUB per cpu partial cache"
+ help
+ Per cpu partial caches accelerate objects allocation and freeing
+--
+2.43.0
+