linux-kernel - Re: linux-next: Tree for May 23 (uml)

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Date:	Wed, 23 May 2012 20:37:07 +0100
From:	Al Viro <viro@...IV.linux.org.uk>
To:	Randy Dunlap <rdunlap@...otime.net>
Cc:	Stephen Rothwell <sfr@...b.auug.org.au>,
	linux-next@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>,
	Richard Weinberger <richard@....at>
Subject: Re: linux-next: Tree for May 23 (uml)

On Wed, May 23, 2012 at 07:19:17PM +0100, Al Viro wrote:

> Grr...  That's a conflict between uml gaining TIF_NOTIFY_RESUME (needed
> prereq to task_work_add() series) and patch in said series doing away
> with explicit calls of key_replace_session_keyring().  Fixup is to remove
> those two lines in arch/um/process.c, same as done on other architectures
> by "keys: kill the dummy key_replace_session_keyring()" (commit c1cb001).
> 
> Not an issue for mainline merge, since task_work_add patchset goes later,
> but I think I'll have to cherry-pick that series into signal.git.  And
> probably reorder it a bit, moving the calls into tracehook_notify_resume()
> first, with "kill the dummy..." commit removing just that single call.

Hmm...  Two solutions, take your pick:

1)
	I think the minimal solution is this: I add the "move
key_replace_session_keyring() into tracehook_notify_resume()" into signal.git
for-next, which yields one conflict with next/akpm.  With conflict resolution
being "take tracehook_notify_resume() from next/akpm".  I've put that
into for-next-variant1

2)
	Cherry-picked these guys into signal.git, along with the rest
of signal prereqs for them.  Merge with next/akpm-base yields a couple
of trivial conflicts in kernel/fork.c (with
	sched, mm: Rework sched_{fork,exec} node assignment
removing INIT_LIST_HEAD right next to the place where we add one; conflict
resolution being just keep the one Oleg adds and remove the one Peter removes)
and in kernel/irq/manage.c (with
	genirq: Be more informative on irq type mismatch
changing a couple of printks in there; conflict resolution: just remove
exit_irq_thread() in merged variant).  That's for-next-variant2.  With that
variant we get 5 more duplicates with next/akpm, obviously.

Stephen, which way would you prefer it handled?
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