On Sat, Feb 7, 2015 at 9:09 PM, Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx> wrote: > On Sat, Feb 07, 2015 at 10:20:02AM -0500, Steven Rostedt wrote: >> On Sat, 7 Feb 2015 09:01:34 +0100 >> Sedat Dilek <sedat.dilek@xxxxxxxxx> wrote: >> >> >> > - Tested-by's >> > - Reference of 2/2 to 1/2 >> >> The two are together in the series and fix two different bugs. They do >> not need to reference each other. >> >> > - CC: stable v3.17+/v3.18+ ? (1/2 has a hint for backporting in case >> > of 3.17+ which is BTW EOL, not sure if there are main distros >> > supporting linux-3.17.y) >> >> The first patch fixes a bug introduced in 3.18. There would be no splat >> in 3.17 because the check didn't exist then. But the RCU reference >> while cpu offline (second bug) was introduced in 3.17 and that is what >> the second patch fixes. >> >> > >> > BTW, do you happen to know if there is a someting like a >> > "Requires-tag" or "Precondition-tag" (for example the Fixes-tag is >> > very helpful)? >> >> We don't need more tags. >> >> > AFAICS people place such information into the commit-message. >> > I have seen "References:" but this is more to point to a >> > bug-tracking-system (BTS). >> > >> > EXAMPLE: >> > >> > commit 63b03e2d2477586440741677ecac45bcf28d7b1 >> > "mutex: Always clear owner field upon mutex_unlock()" >> > >> > References: https://bugs.freedesktop.org/show_bug.cgi?id=87955 >> > >> >> I may add that, but more appropriate would be to add the commit that >> fixes the bug to the bug report. >> >> > Maybe ask godfather of SubmittingPatches greg-kh? >> >> Heh, I haven't read that document in years. > > Given my confusion about stable tags, I read stable_kernel_rules.txt > the other day, and found this: > > - If the patch requires other patches as prerequisites which can be > cherry-picked, then this can be specified in the following format in > the sign-off area: > > Cc: <stable@xxxxxxxxxxxxxxx> # 3.3.x: a1f84a3: sched: Check for idle > Cc: <stable@xxxxxxxxxxxxxxx> # 3.3.x: 1b9508f: sched: Rate-limit newidle > Cc: <stable@xxxxxxxxxxxxxxx> # 3.3.x: fd21073: sched: Fix affinity logic > Cc: <stable@xxxxxxxxxxxxxxx> # 3.3.x > Signed-off-by: Ingo Molnar <mingo@xxxxxxx> > > The tag sequence has the meaning of: > git cherry-pick a1f84a3 > git cherry-pick 1b9508f > git cherry-pick fd21073 > git cherry-pick <this commit> > > Does that do what you need? > ( Bah, I had a look recently into rules.txt in stable-queue.git. ) That sounds cool and is what I wanted. Thanks, Paul! - Sedat - [1] http://git.kernel.org/cgit/linux/kernel/git/stable/stable-queue.git/tree/rules.txt -- To unsubscribe from this list: send the line "unsubscribe linux-next" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html