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Subject[RFC PATCH 00/16] Replace smp_read_barrier_depends() with lockless_derefrence()
Date
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.

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



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