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
>
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