[PATCH 2/2] xen: make HYPERVISOR_set_debugreg() always_inline

From: Juergen Gross
Date: Thu Nov 25 2021 - 04:23:17 EST


HYPERVISOR_set_debugreg() is being called from noinstr code, so it
should be attributed "always_inline".

Fixes: 7361fac0465ba96ec8f ("x86/xen: Make set_debugreg() noinstr")
Reported-by: kernel test robot <lkp@xxxxxxxxx>
Signed-off-by: Juergen Gross <jgross@xxxxxxxx>
---
arch/x86/include/asm/xen/hypercall.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/include/asm/xen/hypercall.h b/arch/x86/include/asm/xen/hypercall.h
index 28ca1119606b..e5e0fe10c692 100644
--- a/arch/x86/include/asm/xen/hypercall.h
+++ b/arch/x86/include/asm/xen/hypercall.h
@@ -281,7 +281,7 @@ HYPERVISOR_callback_op(int cmd, void *arg)
return _hypercall2(int, callback_op, cmd, arg);
}

-static inline int
+static __always_inline int
HYPERVISOR_set_debugreg(int reg, unsigned long value)
{
return _hypercall2(int, set_debugreg, reg, value);
--
2.26.2