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| author | Paul E. McKenney <paulmck@kernel.org> | 2023-03-21 03:55:14 +0300 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2023-03-24 13:01:25 +0300 |
| commit | 1771257cb447a7b27a15ed9aaf332726c47fcbcf (patch) | |
| tree | b25afe31b74a5111935ed185f8f473a9d4ea8f6f /Documentation/admin-guide/kernel-parameters.txt | |
| parent | c52198601695851622f361d3f16456e9fc857629 (diff) | |
| download | linux-1771257cb447a7b27a15ed9aaf332726c47fcbcf.tar.xz | |
locking/csd_lock: Remove added data from CSD lock debugging
The diagnostics added by this commit were extremely useful in one instance:
a5aabace5fb8 ("locking/csd_lock: Add more data to CSD lock debugging")
However, they have not seen much action since, and there have been some
concerns expressed that the complexity is not worth the benefit.
Therefore, manually revert this commit, but leave a comment telling
people where to find these diagnostics.
[ paulmck: Apply Juergen Gross feedback. ]
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Juergen Gross <jgross@suse.com>
Link: https://lore.kernel.org/r/20230321005516.50558-2-paulmck@kernel.org
Diffstat (limited to 'Documentation/admin-guide/kernel-parameters.txt')
| -rw-r--r-- | Documentation/admin-guide/kernel-parameters.txt | 4 |
1 files changed, 0 insertions, 4 deletions
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index ce70777f5999..b15198a85acb 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -896,10 +896,6 @@ to resolve the hang situation. The default value of this option depends on the CSD_LOCK_WAIT_DEBUG_DEFAULT Kconfig option. - 0: disable csdlock debugging - 1: enable basic csdlock debugging (minor impact) - ext: enable extended csdlock debugging (more impact, - but more data) dasd= [HW,NET] See header of drivers/s390/block/dasd_devmap.c. |