x86: x86-32 thread_struct.debugreg
This replaces the debugreg[7] member of thread_struct with individual
members debugreg0, etc. This saves two words for the dummies 4 and 5,
and harmonizes the code between 32 and 64.
Signed-off-by: Roland McGrath <roland@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
diff --git a/arch/x86/kernel/signal_32.c b/arch/x86/kernel/signal_32.c
index 64cb3c0..2bf5c9a 100644
--- a/arch/x86/kernel/signal_32.c
+++ b/arch/x86/kernel/signal_32.c
@@ -605,8 +605,8 @@
* have been cleared if the watchpoint triggered
* inside the kernel.
*/
- if (unlikely(current->thread.debugreg[7]))
- set_debugreg(current->thread.debugreg[7], 7);
+ if (unlikely(current->thread.debugreg7))
+ set_debugreg(current->thread.debugreg7, 7);
/* Whee! Actually deliver the signal. */
if (handle_signal(signr, &info, &ka, oldset, regs) == 0) {