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-rw-r--r--arch/ia64/kernel/.gitignore1
-rw-r--r--arch/ia64/kernel/asm-offsets.c10
-rw-r--r--arch/ia64/kernel/head.S28
-rw-r--r--arch/ia64/kernel/iosapic.c2
-rw-r--r--arch/ia64/kernel/ivt.S4
-rw-r--r--arch/ia64/kernel/jprobes.S2
-rw-r--r--arch/ia64/kernel/nr-irqs.c2
-rw-r--r--arch/ia64/kernel/setup.c20
-rw-r--r--arch/ia64/kernel/smpboot.c2
-rw-r--r--arch/ia64/kernel/vmlinux.lds.S3
10 files changed, 53 insertions, 21 deletions
diff --git a/arch/ia64/kernel/.gitignore b/arch/ia64/kernel/.gitignore
index 98307759a3b..21cb0da5ded 100644
--- a/arch/ia64/kernel/.gitignore
+++ b/arch/ia64/kernel/.gitignore
@@ -1 +1,2 @@
gate.lds
+vmlinux.lds
diff --git a/arch/ia64/kernel/asm-offsets.c b/arch/ia64/kernel/asm-offsets.c
index c64a55af9b9..94c44b1ccfd 100644
--- a/arch/ia64/kernel/asm-offsets.c
+++ b/arch/ia64/kernel/asm-offsets.c
@@ -10,11 +10,11 @@
#include <linux/pid.h>
#include <linux/clocksource.h>
#include <linux/kbuild.h>
-#include <asm-ia64/processor.h>
-#include <asm-ia64/ptrace.h>
-#include <asm-ia64/siginfo.h>
-#include <asm-ia64/sigcontext.h>
-#include <asm-ia64/mca.h>
+#include <asm/processor.h>
+#include <asm/ptrace.h>
+#include <asm/siginfo.h>
+#include <asm/sigcontext.h>
+#include <asm/mca.h>
#include "../kernel/sigframe.h"
#include "../kernel/fsyscall_gtod_data.h"
diff --git a/arch/ia64/kernel/head.S b/arch/ia64/kernel/head.S
index db540e58c78..8bdea8eb62e 100644
--- a/arch/ia64/kernel/head.S
+++ b/arch/ia64/kernel/head.S
@@ -359,7 +359,31 @@ start_ap:
mov ar.rsc=0 // place RSE in enforced lazy mode
;;
loadrs // clear the dirty partition
- mov IA64_KR(PER_CPU_DATA)=r0 // clear physical per-CPU base
+ movl r19=__phys_per_cpu_start
+ mov r18=PERCPU_PAGE_SIZE
+ ;;
+#ifndef CONFIG_SMP
+ add r19=r19,r18
+ ;;
+#else
+(isAP) br.few 2f
+ mov r20=r19
+ sub r19=r19,r18
+ ;;
+ shr.u r18=r18,3
+1:
+ ld8 r21=[r20],8;;
+ st8[r19]=r21,8
+ adds r18=-1,r18;;
+ cmp4.lt p7,p6=0,r18
+(p7) br.cond.dptk.few 1b
+2:
+#endif
+ tpa r19=r19
+ ;;
+ .pred.rel.mutex isBP,isAP
+(isBP) mov IA64_KR(PER_CPU_DATA)=r19 // per-CPU base for cpu0
+(isAP) mov IA64_KR(PER_CPU_DATA)=r0 // clear physical per-CPU base
;;
mov ar.bspstore=r2 // establish the new RSE stack
;;
@@ -1123,7 +1147,7 @@ SET_REG(b5);
* p15 - used to track flag status.
*
* If you patch this code to use more registers, do not forget to update
- * the clobber lists for spin_lock() in include/asm-ia64/spinlock.h.
+ * the clobber lists for spin_lock() in arch/ia64/include/asm/spinlock.h.
*/
#if (__GNUC__ == 3 && __GNUC_MINOR__ < 3)
diff --git a/arch/ia64/kernel/iosapic.c b/arch/ia64/kernel/iosapic.c
index 3bc2fa64f87..5c4674ae8ae 100644
--- a/arch/ia64/kernel/iosapic.c
+++ b/arch/ia64/kernel/iosapic.c
@@ -69,7 +69,7 @@
* systems, we use one-to-one mapping between IA-64 vector and IRQ. A
* platform can implement platform_irq_to_vector(irq) and
* platform_local_vector_to_irq(vector) APIs to differentiate the mapping.
- * Please see also include/asm-ia64/hw_irq.h for those APIs.
+ * Please see also arch/ia64/include/asm/hw_irq.h for those APIs.
*
* To sum up, there are three levels of mappings involved:
*
diff --git a/arch/ia64/kernel/ivt.S b/arch/ia64/kernel/ivt.S
index c39627df3cd..416a952b19b 100644
--- a/arch/ia64/kernel/ivt.S
+++ b/arch/ia64/kernel/ivt.S
@@ -1243,11 +1243,11 @@ ENTRY(speculation_vector)
add r17=r17,r18 // now add the offset
;;
- MOV_FROM_IIP(r17)
+ MOV_TO_IIP(r17, r19)
dep r16=0,r16,41,2 // clear EI
;;
- MOV_FROM_IPSR(p0, r16)
+ MOV_TO_IPSR(p0, r16, r19)
;;
RFI
diff --git a/arch/ia64/kernel/jprobes.S b/arch/ia64/kernel/jprobes.S
index 621630256c4..f69389c7be1 100644
--- a/arch/ia64/kernel/jprobes.S
+++ b/arch/ia64/kernel/jprobes.S
@@ -45,7 +45,7 @@
* to the correct location.
*/
#include <asm/asmmacro.h>
-#include <asm-ia64/break.h>
+#include <asm/break.h>
/*
* void jprobe_break(void)
diff --git a/arch/ia64/kernel/nr-irqs.c b/arch/ia64/kernel/nr-irqs.c
index 1ae049181e8..8273afc32db 100644
--- a/arch/ia64/kernel/nr-irqs.c
+++ b/arch/ia64/kernel/nr-irqs.c
@@ -9,7 +9,7 @@
#include <linux/kbuild.h>
#include <linux/threads.h>
-#include <asm-ia64/native/irq.h>
+#include <asm/native/irq.h>
void foo(void)
{
diff --git a/arch/ia64/kernel/setup.c b/arch/ia64/kernel/setup.c
index e5c2de9b29a..c27d5b2c182 100644
--- a/arch/ia64/kernel/setup.c
+++ b/arch/ia64/kernel/setup.c
@@ -314,7 +314,7 @@ static inline void __init setup_crashkernel(unsigned long total, int *n)
*
* Setup the reserved memory areas set aside for the boot parameters,
* initrd, etc. There are currently %IA64_MAX_RSVD_REGIONS defined,
- * see include/asm-ia64/meminit.h if you need to define more.
+ * see arch/ia64/include/asm/meminit.h if you need to define more.
*/
void __init
reserve_memory (void)
@@ -927,17 +927,19 @@ cpu_init (void)
if (smp_processor_id() == 0) {
cpu_set(0, per_cpu(cpu_sibling_map, 0));
cpu_set(0, cpu_core_map[0]);
+ } else {
+ /*
+ * Set ar.k3 so that assembly code in MCA handler can compute
+ * physical addresses of per cpu variables with a simple:
+ * phys = ar.k3 + &per_cpu_var
+ * and the alt-dtlb-miss handler can set per-cpu mapping into
+ * the TLB when needed. head.S already did this for cpu0.
+ */
+ ia64_set_kr(IA64_KR_PER_CPU_DATA,
+ ia64_tpa(cpu_data) - (long) __per_cpu_start);
}
#endif
- /*
- * We set ar.k3 so that assembly code in MCA handler can compute
- * physical addresses of per cpu variables with a simple:
- * phys = ar.k3 + &per_cpu_var
- */
- ia64_set_kr(IA64_KR_PER_CPU_DATA,
- ia64_tpa(cpu_data) - (long) __per_cpu_start);
-
get_max_cacheline_size();
/*
diff --git a/arch/ia64/kernel/smpboot.c b/arch/ia64/kernel/smpboot.c
index 03f1a9908af..b39853a292d 100644
--- a/arch/ia64/kernel/smpboot.c
+++ b/arch/ia64/kernel/smpboot.c
@@ -467,7 +467,9 @@ start_secondary (void *unused)
{
/* Early console may use I/O ports */
ia64_set_kr(IA64_KR_IO_BASE, __pa(ia64_iobase));
+#ifndef CONFIG_PRINTK_TIME
Dprintk("start_secondary: starting CPU 0x%x\n", hard_smp_processor_id());
+#endif
efi_map_pal_code();
cpu_init();
preempt_disable();
diff --git a/arch/ia64/kernel/vmlinux.lds.S b/arch/ia64/kernel/vmlinux.lds.S
index 5a77206c249..de71da811cd 100644
--- a/arch/ia64/kernel/vmlinux.lds.S
+++ b/arch/ia64/kernel/vmlinux.lds.S
@@ -215,6 +215,9 @@ SECTIONS
/* Per-cpu data: */
percpu : { } :percpu
. = ALIGN(PERCPU_PAGE_SIZE);
+#ifdef CONFIG_SMP
+ . = . + PERCPU_PAGE_SIZE; /* cpu0 per-cpu space */
+#endif
__phys_per_cpu_start = .;
.data.percpu PERCPU_ADDR : AT(__phys_per_cpu_start - LOAD_OFFSET)
{