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| author | Patrick Williams <iawillia@us.ibm.com> | 2011-06-08 10:49:39 -0500 |
|---|---|---|
| committer | A. Patrick Williams III <iawillia@us.ibm.com> | 2011-06-08 14:01:38 -0500 |
| commit | 63657a69627ca1dbd10fb683a8096ab2e8e77f2b (patch) | |
| tree | f5aa6875dfbdd887c52541c779ff275596ad8f6d /src/include/kernel/cpu.H | |
| parent | 74b9b31c9ae811dd527d4eb328e9fa93327442ab (diff) | |
| download | blackbird-hostboot-63657a69627ca1dbd10fb683a8096ab2e8e77f2b.tar.gz blackbird-hostboot-63657a69627ca1dbd10fb683a8096ab2e8e77f2b.zip | |
Create per-CPU mutex for XSCOM usage.
Change-Id: I76ad5c1d553d544b52910afd82e2716781ea13b9
Reviewed-on: http://gfw160.austin.ibm.com:8080/gerrit/140
Tested-by: Jenkins Server
Reviewed-by: Thi N. Tran <thi@us.ibm.com>
Reviewed-by: Douglas R. Gilbert <dgilbert@us.ibm.com>
Diffstat (limited to 'src/include/kernel/cpu.H')
| -rw-r--r-- | src/include/kernel/cpu.H | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/include/kernel/cpu.H b/src/include/kernel/cpu.H index 0fb794989..87e769743 100644 --- a/src/include/kernel/cpu.H +++ b/src/include/kernel/cpu.H @@ -9,6 +9,7 @@ #include <kernel/types.h> #include <arch/ppc.H> #include <builtins.h> +#include <sys/mutex.h> // Thread ID support only, Power7 (4 threads). #define KERNEL_MAX_SUPPORTED_CPUS (4 * 8 * 4) // Sockets, cores, threads. @@ -33,6 +34,9 @@ struct cpu_t void* scheduler_extra; /** Pointer to the idle task for this CPU */ task_t* idle_task; + + /** XSCOM mutex to serialize access per CPU */ + mutex_t xscom_mutex; }; /** @fn getCpuId |
