Messages in this thread | | | Date | Tue, 28 Jan 2014 20:30:57 +0100 | From | Peter Zijlstra <> | Subject | Re: [tip:core/locking] x86, um: Add generic barrier.h |
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On Tue, Jan 28, 2014 at 11:25:12AM -0800, tip-bot for Peter Zijlstra wrote: > Commit-ID: 673c36745c9f3100672853840b27e27638435e74 > Gitweb: http://git.kernel.org/tip/673c36745c9f3100672853840b27e27638435e74 > Author: Peter Zijlstra <peterz@infradead.org> > AuthorDate: Tue, 28 Jan 2014 15:12:36 +0100 > Committer: Ingo Molnar <mingo@kernel.org> > CommitDate: Tue, 28 Jan 2014 15:27:36 +0100 > > x86, um: Add generic barrier.h > > It appears arch/um doesn't have any asm/barrier.h; cure this by > including the generic one. Since UM is !SMP the defaults are good > enough. > > ( The motivation are the latest MCS locking patches which use generic > barriers. ) > > Signed-off-by: Peter Zijlstra <peterz@infradead.org> > Cc: Jeff Dike <jdike@addtoit.com> > Cc: Richard Weinberger <richard@nod.at>
I just talked to rw on IRC and he pointed out that commit 9af2452 (already in Linus' tree) does the same.
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