x86, ptrace: support for branch trace store(BTS)

[sfrench/cifs-2.6.git] / include / asm-x86 / processor_64.h

diff --git a/include/asm-x86/processor_64.h b/include/asm-x86/processor_64.h
index 0780f3e3fdfe253cf5f2e07c53dc2a1e944846e4..7b7f8a142e205b29074082209003491af7782d59 100644 (file)
--- a/include/asm-x86/processor_64.h
+++ b/include/asm-x86/processor_64.h
@@ -240,6 +240,9 @@ struct thread_struct {
        unsigned io_bitmap_max;
 /* MSR_IA32_DEBUGCTLMSR value to switch in if TIF_DEBUGCTLMSR is set.  */
        unsigned long   debugctlmsr;
+/* Debug Store - if not 0 points to a DS Save Area configuration;
+ *               goes into MSR_IA32_DS_AREA */
+       unsigned long   ds_area_msr;
 /* cached TLS descriptors. */
        u64 tls_array[GDT_ENTRY_TLS_ENTRIES];
 } __attribute__((aligned(16)));