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authorBjörn Bidar2022-06-24 20:03:01 +0300
committerBjörn Bidar2022-06-25 16:46:45 +0300
commit657059c03d46120dea746abb196d9d622e21fe5f (patch)
tree2ae07d28cd858ef0cda12e3c8af27932d06c0fbb /0062-Drivers-hv-vmbus-Release-cpu-lock-in-error-case.patch
parent034adcf2fd3311bba3f58b8575b0be699ab3bd70 (diff)
downloadaur-657059c03d46120dea746abb196d9d622e21fe5f.tar.gz
Update to 5.18.6.p2-1
- New upstream release based on 5.18.5 - Add MGLRU Zen patch - Add linux-5.18.6 patches - Move System.map from -headers into the base package to avoid external modules having wrong bpf symbols when running optimized builds. Fixes #5 - Remove M/m from CPUSUFFIXES_KBUILD and LCPU, fixes build failing when selecting an optimized build architecture that is not genering. Fixes #6. Signed-off-by: Björn Bidar <bjorn.bidar@thaodan.de>
Diffstat (limited to '0062-Drivers-hv-vmbus-Release-cpu-lock-in-error-case.patch')
-rw-r--r--0062-Drivers-hv-vmbus-Release-cpu-lock-in-error-case.patch31
1 files changed, 31 insertions, 0 deletions
diff --git a/0062-Drivers-hv-vmbus-Release-cpu-lock-in-error-case.patch b/0062-Drivers-hv-vmbus-Release-cpu-lock-in-error-case.patch
new file mode 100644
index 000000000000..4f7947404f20
--- /dev/null
+++ b/0062-Drivers-hv-vmbus-Release-cpu-lock-in-error-case.patch
@@ -0,0 +1,31 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Saurabh Sengar <ssengar@linux.microsoft.com>
+Date: Thu, 9 Jun 2022 10:16:36 -0700
+Subject: [PATCH] Drivers: hv: vmbus: Release cpu lock in error case
+
+[ Upstream commit 656c5ba50b7172a0ea25dc1b37606bd51d01fe8d ]
+
+In case of invalid sub channel, release cpu lock before returning.
+
+Fixes: a949e86c0d780 ("Drivers: hv: vmbus: Resolve race between init_vp_index() and CPU hotplug")
+Signed-off-by: Saurabh Sengar <ssengar@linux.microsoft.com>
+Reviewed-by: Michael Kelley <mikelley@microsoft.com>
+Link: https://lore.kernel.org/r/1654794996-13244-1-git-send-email-ssengar@linux.microsoft.com
+Signed-off-by: Wei Liu <wei.liu@kernel.org>
+Signed-off-by: Sasha Levin <sashal@kernel.org>
+---
+ drivers/hv/channel_mgmt.c | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/drivers/hv/channel_mgmt.c b/drivers/hv/channel_mgmt.c
+index 85a2142c9384007d2bc43a1f072ceb7b96b0c53b..073ff9b6f5352dfc2540a0a53bd180d1b459a9e2 100644
+--- a/drivers/hv/channel_mgmt.c
++++ b/drivers/hv/channel_mgmt.c
+@@ -637,6 +637,7 @@ static void vmbus_process_offer(struct vmbus_channel *newchannel)
+ */
+ if (newchannel->offermsg.offer.sub_channel_index == 0) {
+ mutex_unlock(&vmbus_connection.channel_mutex);
++ cpus_read_unlock();
+ /*
+ * Don't call free_channel(), because newchannel->kobj
+ * is not initialized yet.