* Mathieu Desnoyers ([EMAIL PROTECTED]) wrote: > Hi Andrew, > > I have been asked for a cmpxchg_local implementation by Christoph Lameter so > he > can use it to accelerate the slub allocator. > > On some architectures, where cmpxchg is nothing more that a simple > save/restore > interrupts surrounding the cmpxchg non atomic ops, I remove the code and make > them use the new "generic" version. > > cmpxchg_local and cmpxchg64_local are made available on all architectures in > these patches. They use the best primitive known, either an atomic operation > or > save/restore interrupts. >
Forgot to mention: it applies on top of 2.6.23-rc2-mm2 series file: # # cmpxchg_local and cmpxchg64_local standardization # i386-cmpxchg64-80386-80486-fallback.patch # add-cmpxchg-local-to-generic-for-up.patch add-cmpxchg-local-to-arm.patch add-cmpxchg-local-to-avr32.patch add-cmpxchg-local-to-blackfin.patch add-cmpxchg-local-to-cris.patch add-cmpxchg-local-to-frv.patch add-cmpxchg-local-to-h8300.patch add-cmpxchg-local-to-ia64.patch add-cmpxchg-local-to-m32r.patch fix-m32r-__xchg.patch local_t_m32r_optimized.patch add-cmpxchg-local-to-m68k.patch add-cmpxchg-local-to-m68knommu.patch add-cmpxchg-local-to-parisc.patch add-cmpxchg-local-to-ppc.patch add-cmpxchg-local-to-s390.patch add-cmpxchg-local-to-sh.patch add-cmpxchg-local-to-sh64.patch add-cmpxchg-local-to-sparc.patch add-cmpxchg-local-to-sparc64.patch add-cmpxchg-local-to-v850.patch add-cmpxchg-local-to-xtensa.patch -- Mathieu Desnoyers Computer Engineering Ph.D. Student, Ecole Polytechnique de Montreal OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F BA06 3F25 A8FE 3BAE 9A68 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
