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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/0233-sunrpc-Make-svc_xprt_do_enqueue-use-get_cpu_light.patch
parentAdding upstream version 5.10.209. (diff)
downloadlinux-b15a952c52a6825376d3e7f6c1bf5c886c6d8b74.tar.xz
linux-b15a952c52a6825376d3e7f6c1bf5c886c6d8b74.zip
Adding debian version 5.10.209-2.debian/5.10.209-2debian
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'debian/patches-rt/0233-sunrpc-Make-svc_xprt_do_enqueue-use-get_cpu_light.patch')
-rw-r--r--debian/patches-rt/0233-sunrpc-Make-svc_xprt_do_enqueue-use-get_cpu_light.patch60
1 files changed, 60 insertions, 0 deletions
diff --git a/debian/patches-rt/0233-sunrpc-Make-svc_xprt_do_enqueue-use-get_cpu_light.patch b/debian/patches-rt/0233-sunrpc-Make-svc_xprt_do_enqueue-use-get_cpu_light.patch
new file mode 100644
index 000000000..22b2f6973
--- /dev/null
+++ b/debian/patches-rt/0233-sunrpc-Make-svc_xprt_do_enqueue-use-get_cpu_light.patch
@@ -0,0 +1,60 @@
+From 971df27cc65fb6805b2253bd66e81bd244887ecc Mon Sep 17 00:00:00 2001
+From: Mike Galbraith <umgwanakikbuti@gmail.com>
+Date: Wed, 18 Feb 2015 16:05:28 +0100
+Subject: [PATCH 233/323] sunrpc: Make svc_xprt_do_enqueue() use
+ get_cpu_light()
+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: 3194, name: rpc.nfsd
+|Preemption disabled at:[<ffffffffa06bf0bb>] svc_xprt_received+0x4b/0xc0 [sunrpc]
+|CPU: 6 PID: 3194 Comm: rpc.nfsd Not tainted 3.18.7-rt1 #9
+|Hardware name: MEDION MS-7848/MS-7848, BIOS M7848W08.404 11/06/2014
+| ffff880409630000 ffff8800d9a33c78 ffffffff815bdeb5 0000000000000002
+| 0000000000000000 ffff8800d9a33c98 ffffffff81073c86 ffff880408dd6008
+| ffff880408dd6000 ffff8800d9a33cb8 ffffffff815c3d84 ffff88040b3ac000
+|Call Trace:
+| [<ffffffff815bdeb5>] dump_stack+0x4f/0x9e
+| [<ffffffff81073c86>] __might_sleep+0xe6/0x150
+| [<ffffffff815c3d84>] rt_spin_lock+0x24/0x50
+| [<ffffffffa06beec0>] svc_xprt_do_enqueue+0x80/0x230 [sunrpc]
+| [<ffffffffa06bf0bb>] svc_xprt_received+0x4b/0xc0 [sunrpc]
+| [<ffffffffa06c03ed>] svc_add_new_perm_xprt+0x6d/0x80 [sunrpc]
+| [<ffffffffa06b2693>] svc_addsock+0x143/0x200 [sunrpc]
+| [<ffffffffa072e69c>] write_ports+0x28c/0x340 [nfsd]
+| [<ffffffffa072d2ac>] nfsctl_transaction_write+0x4c/0x80 [nfsd]
+| [<ffffffff8117ee83>] vfs_write+0xb3/0x1d0
+| [<ffffffff8117f889>] SyS_write+0x49/0xb0
+| [<ffffffff815c4556>] system_call_fastpath+0x16/0x1b
+
+Signed-off-by: Mike Galbraith <umgwanakikbuti@gmail.com>
+Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
+---
+ net/sunrpc/svc_xprt.c | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/net/sunrpc/svc_xprt.c b/net/sunrpc/svc_xprt.c
+index 06e503466c32..16bd1278a989 100644
+--- a/net/sunrpc/svc_xprt.c
++++ b/net/sunrpc/svc_xprt.c
+@@ -422,7 +422,7 @@ void svc_xprt_do_enqueue(struct svc_xprt *xprt)
+ if (test_and_set_bit(XPT_BUSY, &xprt->xpt_flags))
+ return;
+
+- cpu = get_cpu();
++ cpu = get_cpu_light();
+ pool = svc_pool_for_cpu(xprt->xpt_server, cpu);
+
+ atomic_long_inc(&pool->sp_stats.packets);
+@@ -446,7 +446,7 @@ void svc_xprt_do_enqueue(struct svc_xprt *xprt)
+ rqstp = NULL;
+ out_unlock:
+ rcu_read_unlock();
+- put_cpu();
++ put_cpu_light();
+ trace_svc_xprt_do_enqueue(xprt, rqstp);
+ }
+ EXPORT_SYMBOL_GPL(svc_xprt_do_enqueue);
+--
+2.43.0
+