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authorMel Gorman <mgorman@suse.de>2012-06-21 11:36:50 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-07-16 08:47:48 -0700
commit821d1ea17c0cf16e680e6d5ce4a9d7522769b4b1 (patch)
treee6fcec21d19a7d45befedb2b8e109d62d97b78ff /Documentation
parentc62f01893379dc5f831f2694553934f41c25bf32 (diff)
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stable: Allow merging of backports for serious user-visible performance issues
commit eb3979f64d25120d60b9e761a4c58f70b1a02f86 upstream. Distribution kernel maintainers routinely backport fixes for users that were deemed important but not "something critical" as defined by the rules. To users of these kernels they are very serious and failing to fix them reduces the value of -stable. The problem is that the patches fixing these issues are often subtle and prone to regressions in other ways and need greater care and attention. To combat this, these "serious" backports should have a higher barrier to entry. This patch relaxes the rules to allow a distribution maintainer to merge to -stable a backported patch or small series that fixes a "serious" user-visible performance issue. They should include additional information on the user-visible bug affected and a link to the bugzilla entry if available. The same rules about the patch being already in mainline still apply. Signed-off-by: Mel Gorman <mgorman@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/stable_kernel_rules.txt6
1 files changed, 6 insertions, 0 deletions
diff --git a/Documentation/stable_kernel_rules.txt b/Documentation/stable_kernel_rules.txt
index 21fd05c..e1f856b 100644
--- a/Documentation/stable_kernel_rules.txt
+++ b/Documentation/stable_kernel_rules.txt
@@ -12,6 +12,12 @@ Rules on what kind of patches are accepted, and which ones are not, into the
marked CONFIG_BROKEN), an oops, a hang, data corruption, a real
security issue, or some "oh, that's not good" issue. In short, something
critical.
+ - Serious issues as reported by a user of a distribution kernel may also
+ be considered if they fix a notable performance or interactivity issue.
+ As these fixes are not as obvious and have a higher risk of a subtle
+ regression they should only be submitted by a distribution kernel
+ maintainer and include an addendum linking to a bugzilla entry if it
+ exists and additional information on the user-visible impact.
- New device IDs and quirks are also accepted.
- No "theoretical race condition" issues, unless an explanation of how the
race can be exploited is also provided.