x86: apic - lapic_setup_esr does not handle esr_disable - fix it

lapic_setup_esr doesn't handle esr_disable inquire.
The error brought in during unification process.
Fix it.

Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

diff --git a/arch/x86/kernel/apic.c b/arch/x86/kernel/apic.c
index 11cb1863958150881d41b20369f47f788c9b96c5..59550cc017dcb9d39a5508cacbb829b926ad9f6f 100644 (file)
--- a/arch/x86/kernel/apic.c
+++ b/arch/x86/kernel/apic.c
@@ -1081,40 +1081,43 @@ void __init init_bsp_APIC(void)
 
 static void __cpuinit lapic_setup_esr(void)
 {
-       unsigned long oldvalue, value, maxlvt;
-       if (lapic_is_integrated() && !esr_disable) {
-               if (esr_disable) {
-                       /*
-                        * Something untraceable is creating bad interrupts on
-                        * secondary quads ... for the moment, just leave the
-                        * ESR disabled - we can't do anything useful with the
-                        * errors anyway - mbligh
-                        */
-                       printk(KERN_INFO "Leaving ESR disabled.\n");
-                       return;
-               }
-               /* !82489DX */
-               maxlvt = lapic_get_maxlvt();
-               if (maxlvt > 3)         /* Due to the Pentium erratum 3AP. */
-                       apic_write(APIC_ESR, 0);
-               oldvalue = apic_read(APIC_ESR);
+       unsigned int oldvalue, value, maxlvt;
+
+       if (!lapic_is_integrated()) {
+               printk(KERN_INFO "No ESR for 82489DX.\n");
+               return;
+       }
 
-               /* enables sending errors */
-               value = ERROR_APIC_VECTOR;
-               apic_write(APIC_LVTERR, value);
+       if (esr_disable) {
                /*
-                * spec says clear errors after enabling vector.
+                * Something untraceable is creating bad interrupts on
+                * secondary quads ... for the moment, just leave the
+                * ESR disabled - we can't do anything useful with the
+                * errors anyway - mbligh
                 */
-               if (maxlvt > 3)
-                       apic_write(APIC_ESR, 0);
-               value = apic_read(APIC_ESR);
-               if (value != oldvalue)
-                       apic_printk(APIC_VERBOSE, "ESR value before enabling "
-                               "vector: 0x%08lx  after: 0x%08lx\n",
-                               oldvalue, value);
-       } else {
-               printk(KERN_INFO "No ESR for 82489DX.\n");
+               printk(KERN_INFO "Leaving ESR disabled.\n");
+               return;
        }
+
+       maxlvt = lapic_get_maxlvt();
+       if (maxlvt > 3)         /* Due to the Pentium erratum 3AP. */
+               apic_write(APIC_ESR, 0);
+       oldvalue = apic_read(APIC_ESR);
+
+       /* enables sending errors */
+       value = ERROR_APIC_VECTOR;
+       apic_write(APIC_LVTERR, value);
+
+       /*
+        * spec says clear errors after enabling vector.
+        */
+       if (maxlvt > 3)
+               apic_write(APIC_ESR, 0);
+       value = apic_read(APIC_ESR);
+       if (value != oldvalue)
+               apic_printk(APIC_VERBOSE, "ESR value before enabling "
+                       "vector: 0x%08x  after: 0x%08x\n",
+                       oldvalue, value);
 }