Justus Winter, le Tue 07 Jan 2014 15:51:27 +0100, a écrit : > * include/cache.h (__cacheline_aligned): This macro can be used to > align statically allocated objects so that they start at a cache line.
Ack. You could already use it in kern/slab.h > --- > include/cache.h | 25 +++++++++++++++++++++++++ > 1 file changed, 25 insertions(+) > create mode 100644 include/cache.h > > diff --git a/include/cache.h b/include/cache.h > new file mode 100644 > index 0000000..6260366 > --- /dev/null > +++ b/include/cache.h > @@ -0,0 +1,25 @@ > +/* > + * Copyright (c) 2013 Free Software Foundation. > + * > + * This program is free software; you can redistribute it and/or modify > + * it under the terms of the GNU General Public License as published by > + * the Free Software Foundation; either version 2 of the License, or > + * (at your option) any later version. > + * > + * This program is distributed in the hope that it will be useful, > + * but WITHOUT ANY WARRANTY; without even the implied warranty of > + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the > + * GNU General Public License for more details. > + * > + * You should have received a copy of the GNU General Public License > + * along with this program. If not, see <http://www.gnu.org/licenses/>. > + */ > + > +#ifndef _MACH_CACHE_H_ > +#define _MACH_CACHE_H_ > + > +/* This macro can be used to align statically allocated objects so > + that they start at a cache line. */ > +#define __cacheline_aligned __attribute__((aligned(1 << CPU_L1_SHIFT))) > + > +#endif /* _MACH_CACHE_H_ */ > -- > 1.8.5.2 > -- Samuel We are Pentium of Borg. Division is futile. You will be approximated. (seen in someone's .signature)