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| author | Vitaly Kuznetsov <vkuznets@redhat.com> | 2016-02-27 02:13:18 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-03-02 03:57:20 +0300 |
| commit | d452ab7b4c65dfcaee88a0d6866eeeb98a3d1884 (patch) | |
| tree | ea442d4397fab07eee2c31d5a12a49628298fc21 /drivers/tty/tty_ldsem.c | |
| parent | 0f70b66975ce4331e9002b792d5aa6787a110181 (diff) | |
| download | linux-d452ab7b4c65dfcaee88a0d6866eeeb98a3d1884.tar.xz | |
Drivers: hv: vmbus: avoid unneeded compiler optimizations in vmbus_wait_for_unload()
Message header is modified by the hypervisor and we read it in a loop,
we need to prevent compilers from optimizing accesses. There are no such
optimizations at this moment, this is just a future proof.
Suggested-by: Radim Krcmar <rkrcmar@redhat.com>
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Reviewed-by: Radim Kr.má<rkrcmar@redhat.com>
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/tty_ldsem.c')
0 files changed, 0 insertions, 0 deletions