This is a note to let you know that I've just added the patch titled powerpc/eeh: Drop redundant spinlock initialization to the 4.19-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-4.19 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit 7a9788c654c6bc697212df29bce0cea2cae1e4f6 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 7a0b9aa09d10..f56248f19ef3 100644 --- a/arch/powerpc/platforms/pseries/eeh_pseries.c +++ b/arch/powerpc/platforms/pseries/eeh_pseries.c @@ -945,8 +945,7 @@ 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",