diff options
| author | Vincent Hanquez <vincent.hanquez@cl.cam.ac.uk> | 2005-06-23 00:08:46 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-06-23 09:45:14 -0700 |
| commit | e9129e56e9ec50c0689eb4cf7a3ca132f1e776db (patch) | |
| tree | 46ef37651b1d25afbe002e00d8c80c85df27d5fd /arch/x86_64/kernel/signal.c | |
| parent | 717b594a415bfaf2dbd5e8266636488f2564c689 (diff) | |
[PATCH] xen: x86_64: Add macro for debugreg
Add 2 macros to set and get debugreg on x86_64. This is useful for Xen
because it will need only to redefine each macro to a hypervisor call.
Signed-off-by: Vincent Hanquez <vincent.hanquez@cl.cam.ac.uk>
Cc: Ian Pratt <m+Ian.Pratt@cl.cam.ac.uk>
Cc: Andi Kleen <ak@muc.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'arch/x86_64/kernel/signal.c')
| -rw-r--r-- | arch/x86_64/kernel/signal.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86_64/kernel/signal.c b/arch/x86_64/kernel/signal.c index 3c5f3089371..0446e8b96a2 100644 --- a/arch/x86_64/kernel/signal.c +++ b/arch/x86_64/kernel/signal.c @@ -439,7 +439,7 @@ int do_signal(struct pt_regs *regs, sigset_t *oldset) * inside the kernel. */ if (current->thread.debugreg7) - asm volatile("movq %0,%%db7" : : "r" (current->thread.debugreg7)); + set_debugreg(current->thread.debugreg7, 7); /* Whee! Actually deliver the signal. */ return handle_signal(signr, &info, &ka, oldset, regs); |