diff options
| author | Kenneth Graunke <[email protected]> | 2019-02-07 08:42:50 -0800 |
|---|---|---|
| committer | Kenneth Graunke <[email protected]> | 2019-02-21 10:26:11 -0800 |
| commit | 9376799bd623d3e547afc2d31483f1cb44c2ba65 (patch) | |
| tree | 41a19e3e4369db4fccdfc6f5f91946e6ccc828ba /src/gallium/drivers/iris/iris_screen.h | |
| parent | 18e31a9b311a6c1b35eedfae48d7512eea5be68d (diff) | |
iris: Use READ_ONCE and WRITE_ONCE for snapshots_landed
Suggested by Chris Wilson, if only to make it obvious to the human
readers that these are volatile reads. It may also be necessary for
the compiler in a few cases.
Diffstat (limited to 'src/gallium/drivers/iris/iris_screen.h')
| -rw-r--r-- | src/gallium/drivers/iris/iris_screen.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/gallium/drivers/iris/iris_screen.h b/src/gallium/drivers/iris/iris_screen.h index 8bf10996c3f..77fbd906b73 100644 --- a/src/gallium/drivers/iris/iris_screen.h +++ b/src/gallium/drivers/iris/iris_screen.h @@ -33,6 +33,9 @@ struct iris_bo; +#define READ_ONCE(x) (*(volatile __typeof__(x) *)&(x)) +#define WRITE_ONCE(x, v) *(volatile __typeof__(x) *)&(x) = (v) + #define IRIS_MAX_TEXTURE_SAMPLERS 32 #define IRIS_MAX_SOL_BUFFERS 4 |