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| author | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2023-02-15 23:40:54 +0100 |
|---|---|---|
| committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2023-02-15 23:40:56 +0100 |
| commit | cb5e3ca248435f19fce0254987ba894a25611974 (patch) | |
| tree | 0a381f24b9d537b10e2079e38a3adeb5da59fcc0 /kern/processor.h | |
| parent | b0c0a49918b6fd5f75cbd7565429a1398ddc80a9 (diff) | |
| download | gnumach-cb5e3ca248435f19fce0254987ba894a25611974.tar.gz gnumach-cb5e3ca248435f19fce0254987ba894a25611974.tar.bz2 gnumach-cb5e3ca248435f19fce0254987ba894a25611974.zip | |
Document spl levels of locks taken during interrupts
Diffstat (limited to 'kern/processor.h')
| -rw-r--r-- | kern/processor.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/kern/processor.h b/kern/processor.h index abc2e866..17b784a3 100644 --- a/kern/processor.h +++ b/kern/processor.h @@ -56,7 +56,7 @@ struct processor_set { struct run_queue runq; /* runq for this set */ queue_head_t idle_queue; /* idle processors */ int idle_count; /* how many ? */ - decl_simple_lock_data(, idle_lock) /* lock for above */ + decl_simple_lock_data(, idle_lock) /* lock for above, shall be taken at splsched only */ queue_head_t processors; /* all processors here */ int processor_count; /* how many ? */ boolean_t empty; /* true if no processors */ @@ -221,6 +221,7 @@ extern processor_t processor_ptr[NCPUS]; #define pset_ref_lock(pset) simple_lock(&(pset)->ref_lock) #define pset_ref_unlock(pset) simple_unlock(&(pset)->ref_lock) +/* Shall be taken at splsched only */ #define processor_lock(pr) simple_lock(&(pr)->lock) #define processor_unlock(pr) simple_unlock(&(pr)->lock) |