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| author | Dave Airlie <airlied@redhat.com> | 2019-02-18 06:27:15 +0300 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2019-02-18 06:27:15 +0300 |
| commit | c06de56121e3ac0f0f1f4a081c041654ffcacd62 (patch) | |
| tree | 3662e7052352b0f1b78e8832b1d3b91ca211b798 /include/linux/compiler.h | |
| parent | 8d451a4b6e9f4b52ae3d4cafe17486d8d0c6afb0 (diff) | |
| parent | a3b22b9f11d9fbc48b0291ea92259a5a810e9438 (diff) | |
| download | linux-c06de56121e3ac0f0f1f4a081c041654ffcacd62.tar.xz | |
Merge v5.0-rc7 into drm-next
Backmerging for nouveau and imx that needed some fixes for next pulls.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'include/linux/compiler.h')
| -rw-r--r-- | include/linux/compiler.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/include/linux/compiler.h b/include/linux/compiler.h index fc5004a4b07d..445348facea9 100644 --- a/include/linux/compiler.h +++ b/include/linux/compiler.h @@ -161,7 +161,9 @@ void ftrace_likely_update(struct ftrace_likely_data *f, int val, #endif #ifndef OPTIMIZER_HIDE_VAR -#define OPTIMIZER_HIDE_VAR(var) barrier() +/* Make the optimizer believe the variable can be manipulated arbitrarily. */ +#define OPTIMIZER_HIDE_VAR(var) \ + __asm__ ("" : "=r" (var) : "0" (var)) #endif /* Not-quite-unique ID. */ |