[PATCH -tip] x86: apic - use SET_APIC_DEST_FIELD macro

[Cyrill Gorcunov]

Use predefined macro instead of hardcoded bit shifting

Signed-off-by: Cyrill Gorcunov <gorcunov@xxxxxxxxx>
---

I'm on really sloooow gprs connection so fetching replies not
that often and if there is some inconvenience with this patch
i'll not answer fast, sorry.

Index: linux-2.6.git/arch/x86/kernel/apic_64.c
===================================================================
--- linux-2.6.git.orig/arch/x86/kernel/apic_64.c	2008-07-24 23:16:04.000000000 +0400
+++ linux-2.6.git/arch/x86/kernel/apic_64.c	2008-07-24 23:20:56.000000000 +0400
@@ -150,7 +150,7 @@ u32 safe_xapic_wait_icr_idle(void)
 
 void xapic_icr_write(u32 low, u32 id)
 {
-	apic_write(APIC_ICR2, id << 24);
+	apic_write(APIC_ICR2, SET_APIC_DEST_FIELD(id));
 	apic_write(APIC_ICR, low);
 }
 
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