diff options
| author | Roland McGrath <roland@redhat.com> | 2008-01-30 13:30:54 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-01-30 13:30:54 +0100 |
| commit | 7e9916040b3020d0f36d68bb7512e3b80b623097 (patch) | |
| tree | 7c391bcdb7a5d917b54ae968304e8a951997e16e /include/asm-x86/processor_32.h | |
| parent | 0a049bb0ab807b4a95dce9cd0b603c01c199a287 (diff) | |
x86: debugctlmsr context switch
This adds low-level support for a per-thread value of MSR_IA32_DEBUGCTLMSR.
The per-thread value is switched in when TIF_DEBUGCTLMSR is set.
Signed-off-by: Roland McGrath <roland@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'include/asm-x86/processor_32.h')
| -rw-r--r-- | include/asm-x86/processor_32.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/asm-x86/processor_32.h b/include/asm-x86/processor_32.h index 2540bf8d572..3c67eacb316 100644 --- a/include/asm-x86/processor_32.h +++ b/include/asm-x86/processor_32.h @@ -368,6 +368,8 @@ struct thread_struct { unsigned long iopl; /* max allowed port in the bitmap, in bytes: */ unsigned long io_bitmap_max; +/* MSR_IA32_DEBUGCTLMSR value to switch in if TIF_DEBUGCTLMSR is set. */ + unsigned long debugctlmsr; }; #define INIT_THREAD { \ |