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| author | Peter Zijlstra <peterz@infradead.org> | 2019-06-06 11:34:28 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-06-06 17:51:18 +0200 |
| commit | 9c3cef54c50d93871eaa46c28a06de8bd03fab63 (patch) | |
| tree | c10452a54d1c57feae1fa9c2ab1ec31f96fbdce4 /drivers/gpu/drm/amd/amdgpu/Kconfig | |
| parent | mei: docs: update mei documentation (diff) | |
| download | linux-9c3cef54c50d93871eaa46c28a06de8bd03fab63.tar.xz linux-9c3cef54c50d93871eaa46c28a06de8bd03fab63.zip | |
VMCI: Fixup atomic64_t abuse
The VMCI driver is abusing atomic64_t and atomic_t, there is no actual
atomic RmW operations around.
Rewrite the code to use a regular u64 with READ_ONCE() and
WRITE_ONCE() and a cast to 'unsigned long'. This fully preserves
whatever broken there was (it's not endian-safe for starters, and also
looks to be missing ordering).
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/Kconfig')
0 files changed, 0 insertions, 0 deletions