This is a note to let you know that I've just added the patch titled
powerpc/eeh: Drop redundant spinlock initialization
to the 5.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
powerpc-eeh-drop-redundant-spinlock-initialization.patch
and it can be found in the queue-5.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 86876db2705a1ebfcf17c0dcbc7ed2f6cd314552
Author: Haowen Bai <baihaowen@xxxxxxxxx>
Date: Wed May 11 09:27:56 2022 +0800
powerpc/eeh: Drop redundant spinlock initialization
[ Upstream commit 3def164a5cedad9117859dd4610cae2cc59cb6d2 ]
slot_errbuf_lock has declared and initialized by DEFINE_SPINLOCK,
so we don't need to spin_lock_init again, drop it.
Signed-off-by: Haowen Bai <baihaowen@xxxxxxxxx>
Signed-off-by: Michael Ellerman <mpe@xxxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/1652232476-9696-1-git-send-email-baihaowen@xxxxxxxxx
Stable-dep-of: 9aafbfa5f57a ("powerpc/pseries/eeh: use correct API for error log size")
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/arch/powerpc/platforms/pseries/eeh_pseries.c b/arch/powerpc/platforms/pseries/eeh_pseries.c
index 4232ba62b1c3..7e36c617282f 100644
--- a/arch/powerpc/platforms/pseries/eeh_pseries.c
+++ b/arch/powerpc/platforms/pseries/eeh_pseries.c
@@ -867,8 +867,7 @@ static int __init eeh_pseries_init(void)
return -EINVAL;
}
- /* Initialize error log lock and size */
- spin_lock_init(&slot_errbuf_lock);
+ /* Initialize error log size */
eeh_error_buf_size = rtas_token("rtas-error-log-max");
if (eeh_error_buf_size == RTAS_UNKNOWN_SERVICE) {
pr_info("%s: unknown EEH error log size\n",
