On Thu, Nov 13, 2014 at 02:24:06PM -0500, Pranith Kumar wrote: > Recently lockless_dereference() was added which can be used in place of > hard-coding smp_read_barrier_depends(). > > http://lkml.iu.edu/hypermail/linux/kernel/1410.3/04561.html > > The following series tries to do this. > > There are still some hard-coded locations which I was not sure how to replace > with. I will send in separate patches/questions regarding them. Thank you for taking this on! Some questions and comments in response to the individual patches. Thanx, Paul > Pranith Kumar (16): > crypto: caam - Remove unnecessary smp_read_barrier_depends() > doc: memory-barriers.txt: Document use of lockless_dereference() > drivers: dma: Replace smp_read_barrier_depends() with > lockless_dereference() > dcache: Replace smp_read_barrier_depends() with lockless_dereference() > overlayfs: Replace smp_read_barrier_depends() with > lockless_dereference() > assoc_array: Replace smp_read_barrier_depends() with > lockless_dereference() > hyperv: Replace smp_read_barrier_depends() with lockless_dereference() > rcupdate: Replace smp_read_barrier_depends() with > lockless_dereference() > percpu: Replace smp_read_barrier_depends() with lockless_dereference() > perf: Replace smp_read_barrier_depends() with lockless_dereference() > seccomp: Replace smp_read_barrier_depends() with > lockless_dereference() > task_work: Replace smp_read_barrier_depends() with > lockless_dereference() > ksm: Replace smp_read_barrier_depends() with lockless_dereference() > slab: Replace smp_read_barrier_depends() with lockless_dereference() > netfilter: Replace smp_read_barrier_depends() with > lockless_dereference() > rxrpc: Replace smp_read_barrier_depends() with lockless_dereference() > > Documentation/memory-barriers.txt | 2 +- > drivers/crypto/caam/jr.c | 3 --- > drivers/dma/ioat/dma_v2.c | 3 +-- > drivers/dma/ioat/dma_v3.c | 3 +-- > fs/dcache.c | 7 ++----- > fs/overlayfs/super.c | 4 +--- > include/linux/assoc_array_priv.h | 11 +++++++---- > include/linux/hyperv.h | 9 ++++----- > include/linux/percpu-refcount.h | 4 +--- > include/linux/rcupdate.h | 10 +++++----- > kernel/events/core.c | 3 +-- > kernel/events/uprobes.c | 8 ++++---- > kernel/seccomp.c | 7 +++---- > kernel/task_work.c | 3 +-- > lib/assoc_array.c | 7 ------- > mm/ksm.c | 7 +++---- > mm/slab.h | 6 +++--- > net/ipv4/netfilter/arp_tables.c | 3 +-- > net/ipv4/netfilter/ip_tables.c | 3 +-- > net/ipv6/netfilter/ip6_tables.c | 3 +-- > net/rxrpc/ar-ack.c | 22 +++++++++------------- > security/keys/keyring.c | 6 ------ > 22 files changed, 50 insertions(+), 84 deletions(-) > > -- > 1.9.1 > -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>