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sfxge: Implement EFSYS_MEM_READ_BARRIER()

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Sponsored by:   Solarflare Communications, Inc.
Approved by:    gnn (mentor)
This commit is contained in:
Andrew Rybchenko 2015-02-04 19:58:54 +00:00
parent 7d732cea63
commit 7c00963a55
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=278220
1 changed files with 1 additions and 2 deletions
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3
sys/dev/sfxge/common/efsys.h
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@ -677,8 +677,7 @@ typedef struct efsys_bar_s {
/* BARRIERS */
/* Strict ordering guaranteed by devacc.devacc_attr_dataorder */
#define EFSYS_MEM_READ_BARRIER()
#define EFSYS_MEM_READ_BARRIER() rmb()
#define EFSYS_PIO_WRITE_BARRIER()
/* TIMESTAMP */