X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Fasm-x86_64%2Fipi.h;h=cbf6a2bc887143eb1ba4f58e1c94a41f45e586d7;hb=a2f44b27303a5353859d77a3e96a1d3f33f56ab7;hp=2a5c162b7d925c1fc5ba7b1db1cbf6a8fe2f933a;hpb=134734d875a0a48d994ef20b9905209b4b8b6f75;p=linux-2.6.git

diff --git a/include/asm-x86_64/ipi.h b/include/asm-x86_64/ipi.h
index 2a5c162b7..cbf6a2bc8 100644
--- a/include/asm-x86_64/ipi.h
+++ b/include/asm-x86_64/ipi.h
@@ -49,8 +49,12 @@ static inline int __prepare_ICR2 (unsigned int mask)
 	return SET_APIC_DEST_FIELD(mask);
 }
 
+
 static inline void __send_IPI_shortcut(unsigned int shortcut, int vector, unsigned int dest)
 {
+#ifdef CONFIG_XEN_UNPRIVILEGED_GUEST
+	BUG();
+#else
 	/*
 	 * Subtle. In the case of the 'never do double writes' workaround
 	 * we have to lock out interrupts to be safe.  As we don't care
@@ -74,6 +78,7 @@ static inline void __send_IPI_shortcut(unsigned int shortcut, int vector, unsign
 	 * Send the IPI. The write to APIC_ICR fires this off.
 	 */
 	apic_write(APIC_ICR, cfg);
+#endif /* !CONFIG_XEN_UNPRIVILEGED_GUEST */
 }