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membarrier.2: ffix 

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
This commit is contained in:
Michael Kerrisk 2018-04-12 12:27:51 +02:00
parent 8d23228ca6
commit 8fb5a3b5b2
1 changed files with 14 additions and 14 deletions
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28
man2/membarrier.2
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@ -80,7 +80,7 @@ This command is always supported (on kernels where
.BR membarrier ()
is provided).
.TP
.B MEMBARRIER_CMD_GLOBAL " (since Linux 4.16)"
.BR MEMBARRIER_CMD_GLOBAL " (since Linux 4.16)"
Ensure that all threads from all processes on the system pass through a
state where all memory accesses to user-space addresses match program
order between entry to and return from the
@ -88,7 +88,7 @@ order between entry to and return from the
system call.
All threads on the system are targeted by this command.
.TP
.B MEMBARRIER_CMD_GLOBAL_EXPEDITED " (since Linux 4.16)"
.BR MEMBARRIER_CMD_GLOBAL_EXPEDITED " (since Linux 4.16)"
Execute a memory barrier on all running threads of all processes which
previously registered with
.BR MEMBARRIER_CMD_REGISTER_GLOBAL_EXPEDITED .
@ -106,12 +106,12 @@ from a non-registered process.
The "expedited" commands complete faster than the non-expedited ones;
they never block, but have the downside of causing extra overhead.
.TP
.B MEMBARRIER_CMD_REGISTER_GLOBAL_EXPEDITED " (since Linux 4.16)"
.BR MEMBARRIER_CMD_REGISTER_GLOBAL_EXPEDITED " (since Linux 4.16)"
Register the process intent to receive
.BR MEMBARRIER_CMD_GLOBAL_EXPEDITED
memory barriers.
.TP
.B MEMBARRIER_CMD_PRIVATE_EXPEDITED " (since Linux 4.14)"
.BR MEMBARRIER_CMD_PRIVATE_EXPEDITED " (since Linux 4.14)"
Execute a memory barrier on each running thread belonging to the same
process as the current thread.
Upon return from system call, the calling
@ -126,11 +126,11 @@ they never block, but have the downside of causing extra overhead.
A process needs to register its intent to use the private
expedited command prior to using it.
.TP
.B MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED " (since Linux 4.14)"
.BR MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED " (since Linux 4.14)"
Register the process's intent to use
.B MEMBARRIER_CMD_PRIVATE_EXPEDITED .
.BR MEMBARRIER_CMD_PRIVATE_EXPEDITED .
.TP
.B MEMBARRIER_CMD_PRIVATE_EXPEDITED_SYNC_CORE " (since Linux 4.16)"
.BR MEMBARRIER_CMD_PRIVATE_EXPEDITED_SYNC_CORE " (since Linux 4.16)"
In addition to provide memory ordering guarantees described in
.BR MEMBARRIER_CMD_PRIVATE_EXPEDITED ,
ensure the caller thread, upon return from system call, that all its
@ -141,7 +141,7 @@ they never block, but have the downside of causing extra overhead.
A process needs to register its intent to use the private expedited sync
core command prior to using it.
.TP
.B MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED_SYNC_CORE " (since Linux 4.16)"
.BR MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED_SYNC_CORE " (since Linux 4.16)"
Register the process intent to use
.BR MEMBARRIER_CMD_PRIVATE_EXPEDITED_SYNC_CORE .
.TP
@ -180,12 +180,12 @@ The pair ordering is detailed as (O: ordered, X: not ordered):
On success, the
.B MEMBARRIER_CMD_QUERY
operation returns a bit mask of supported commands, and the
.B MEMBARRIER_CMD_GLOBAL ,
.B MEMBARRIER_CMD_GLOBAL_EXPEDITED ,
.B MEMBARRIER_CMD_REGISTER_GLOBAL_EXPEDITED ,
.B MEMBARRIER_CMD_PRIVATE_EXPEDITED ,
.B MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED ,
.B MEMBARRIER_CMD_PRIVATE_EXPEDITED_SYNC_CORE ,
.BR MEMBARRIER_CMD_GLOBAL ,
.BR MEMBARRIER_CMD_GLOBAL_EXPEDITED ,
.BR MEMBARRIER_CMD_REGISTER_GLOBAL_EXPEDITED ,
.BR MEMBARRIER_CMD_PRIVATE_EXPEDITED ,
.BR MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED ,
.BR MEMBARRIER_CMD_PRIVATE_EXPEDITED_SYNC_CORE ,
and
.B MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED_SYNC_CORE
operations return zero.