Messages in this thread | | | From | Geert Uytterhoeven <> | Date | Tue, 23 Aug 2016 16:30:47 +0200 | Subject | Re: [PATCH tip/core/rcu 2/2] documentation: Record reason for rcu_head two-byte alignment |
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On Tue, Aug 23, 2016 at 4:23 PM, Paul E. McKenney <paulmck@linux.vnet.ibm.com> wrote: > commit 89d39c83d193733ed5fff1c480cd42c9de1da404 > Author: Paul E. McKenney <paulmck@linux.vnet.ibm.com> > Date: Tue Aug 23 06:51:47 2016 -0700 > > rcu: Tighted up __call_rcu() rcu_head alignment check > > Commit 720abae3d68ae ("rcu: force alignment on struct > callback_head/rcu_head") forced the rcu_head (AKA callback_head) > structure's alignment to pointer size, that is, to 4-byte boundaries on > 32-bit systems and to 8-byte boundaries on 64-bit systems. This > commit therefore checks for this same alignment in __call_rcu(), > which used to check for two-byte alignment. > > Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> > Cc: Geert Uytterhoeven <geert@linux-m68k.org> > Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Tested-by: Geert Uytterhoeven <geert@linux-m68k.org>
Gr{oetje,eeting}s,
Geert
-- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org
In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds
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