Use a bit mask for testing of a set bit instead of test_bit in case no
atomic operation is needed, as this will lead to smaller and more
effective code.
Signed-off-by: Juergen Gross <jgr...@suse.com>
---
xen/arch/x86/domain.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/xen/arch/x86/domain.c b/xen/arch/x86/domain.c
index dc3bb08..4e96f6c 100644
--- a/xen/arch/x86/domain.c
+++ b/xen/arch/x86/domain.c
@@ -1352,7 +1352,7 @@ static void load_segments(struct vcpu *n)
domain_crash(n->domain);
}
- if ( test_bit(_VGCF_failsafe_disables_events, &n->arch.vgc_flags) )
+ if ( n->arch.vgc_flags & VGCF_failsafe_disables_events )
vcpu_info(n, evtchn_upcall_mask) = 1;
regs->entry_vector |= TRAP_syscall;
@@ -1394,7 +1394,7 @@ static void load_segments(struct vcpu *n)
domain_crash(n->domain);
}
- if ( test_bit(_VGCF_failsafe_disables_events, &n->arch.vgc_flags) )
+ if ( n->arch.vgc_flags & VGCF_failsafe_disables_events )
vcpu_info(n, evtchn_upcall_mask) = 1;
regs->entry_vector |= TRAP_syscall;
--
2.1.4
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