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gpu: nvgpu: cde: warn on double finish and release

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Add WARN to conditions that should never happen, to help debugging
any context issues.

Bug 200052943

Change-Id: Ibe2a9507f3a62bb7b2e263ff3ff21a24a092a971
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: http://git-master/r/602885
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
This commit is contained in:
Konsta Holtta
2014-11-13 14:18:22 +02:00
committed by Dan Willemsen
parent cd072a192b
commit 2d7c5e1a5b
1 changed files with 4 additions and 0 deletions
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4
drivers/gpu/nvgpu/gk20a/cde_gk20a.c
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@@ -731,6 +731,8 @@ __releases(&cde_app->mutex)
mutex_lock(&cde_app->mutex); mutex_lock(&cde_app->mutex);
WARN(!cde_ctx->in_use, "double release cde context %p", cde_ctx);
cde_ctx->in_use = false; cde_ctx->in_use = false;
list_move(&cde_ctx->list, &cde_app->free_contexts); list_move(&cde_ctx->list, &cde_app->free_contexts);
cde_app->ctx_usecount--; cde_app->ctx_usecount--;
@@ -1041,6 +1043,8 @@ __releases(&cde_app->mutex)
return; return;
gk20a_dbg(gpu_dbg_fn | gpu_dbg_cde_ctx, "cde: finished %p", cde_ctx); gk20a_dbg(gpu_dbg_fn | gpu_dbg_cde_ctx, "cde: finished %p", cde_ctx);
WARN(!cde_ctx->in_use, "double finish cde context %p on channel %p",
cde_ctx, ch);
if (ch->has_timedout) { if (ch->has_timedout) {
if (cde_ctx->is_temporary) { if (cde_ctx->is_temporary) {