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authorCatalin Marinas <catalin.marinas@arm.com>2020-07-31 18:09:57 +0100
committerCatalin Marinas <catalin.marinas@arm.com>2020-07-31 18:09:57 +0100
commit0e4cd9f2654915be8d09a1bd1b405ce5426e64c4 (patch)
tree0aeb119873c87509ff54cbc9c6946b271f3780bf /drivers
parent18aa3bd58b1428d1927fe11f85ad444423d4fc59 (diff)
parent5f1f7f6c205a2e7f1d92229ac358254bd2826c2d (diff)
Merge branch 'for-next/read-barrier-depends' into for-next/core
* for-next/read-barrier-depends: : Allow architectures to override __READ_ONCE() arm64: Reduce the number of header files pulled into vmlinux.lds.S compiler.h: Move compiletime_assert() macros into compiler_types.h checkpatch: Remove checks relating to [smp_]read_barrier_depends() include/linux: Remove smp_read_barrier_depends() from comments tools/memory-model: Remove smp_read_barrier_depends() from informal doc Documentation/barriers/kokr: Remove references to [smp_]read_barrier_depends() Documentation/barriers: Remove references to [smp_]read_barrier_depends() locking/barriers: Remove definitions for [smp_]read_barrier_depends() alpha: Replace smp_read_barrier_depends() usage with smp_[r]mb() vhost: Remove redundant use of read_barrier_depends() barrier asm/rwonce: Don't pull <asm/barrier.h> into 'asm-generic/rwonce.h' asm/rwonce: Remove smp_read_barrier_depends() invocation alpha: Override READ_ONCE() with barriered implementation asm/rwonce: Allow __READ_ONCE to be overridden by the architecture compiler.h: Split {READ,WRITE}_ONCE definitions out into rwonce.h tools: bpf: Use local copy of headers including uapi/linux/filter.h
Diffstat (limited to 'drivers')
-rw-r--r--drivers/vhost/vhost.c5
1 files changed, 0 insertions, 5 deletions
diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c
index d7b8df3edffc..74d135ee7e26 100644
--- a/drivers/vhost/vhost.c
+++ b/drivers/vhost/vhost.c
@@ -2092,11 +2092,6 @@ static int get_indirect(struct vhost_virtqueue *vq,
return ret;
}
iov_iter_init(&from, READ, vq->indirect, ret, len);
-
- /* We will use the result as an address to read from, so most
- * architectures only need a compiler barrier here. */
- read_barrier_depends();
-
count = len / sizeof desc;
/* Buffers are chained via a 16 bit next field, so
* we can have at most 2^16 of these. */