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-rw-r--r--include/asm-x86/processor_64.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/asm-x86/processor_64.h b/include/asm-x86/processor_64.h
index 20d8935..e7bea4f 100644
--- a/include/asm-x86/processor_64.h
+++ b/include/asm-x86/processor_64.h
@@ -238,6 +238,8 @@ struct thread_struct {
int ioperm;
unsigned long *io_bitmap_ptr;
unsigned io_bitmap_max;
+/* MSR_IA32_DEBUGCTLMSR value to switch in if TIF_DEBUGCTLMSR is set. */
+ unsigned long debugctlmsr;
/* cached TLS descriptors. */
u64 tls_array[GDT_ENTRY_TLS_ENTRIES];
} __attribute__((aligned(16)));
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