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-rw-r--r--arch/ia64/Makefile2
-rw-r--r--arch/ia64/include/asm/efi.h13
-rw-r--r--arch/ia64/include/asm/sparsemem.h1
-rw-r--r--arch/ia64/include/uapi/asm/cmpxchg.h2
-rw-r--r--arch/ia64/kernel/crash.c2
-rw-r--r--arch/ia64/kernel/efi.c1
-rw-r--r--arch/ia64/kernel/machine_kexec.c1
-rw-r--r--arch/ia64/kernel/mca.c1
-rw-r--r--arch/ia64/kernel/smpboot.c1
-rw-r--r--arch/ia64/kernel/time.c32
-rw-r--r--arch/ia64/kernel/uncached.c4
-rw-r--r--arch/ia64/mm/contig.c1
-rw-r--r--arch/ia64/mm/discontig.c1
-rw-r--r--arch/ia64/mm/init.c1
-rw-r--r--arch/ia64/scripts/unwcheck.py2
15 files changed, 45 insertions, 20 deletions
diff --git a/arch/ia64/Makefile b/arch/ia64/Makefile
index 33c11fa31192..f3328a29e881 100644
--- a/arch/ia64/Makefile
+++ b/arch/ia64/Makefile
@@ -68,7 +68,7 @@ vmlinux.bin: vmlinux FORCE
$(call if_changed,objcopy)
unwcheck: vmlinux
- -$(Q)READELF=$(READELF) $(PYTHON) $(srctree)/arch/ia64/scripts/unwcheck.py $<
+ -$(Q)READELF=$(READELF) $(PYTHON3) $(srctree)/arch/ia64/scripts/unwcheck.py $<
archclean:
diff --git a/arch/ia64/include/asm/efi.h b/arch/ia64/include/asm/efi.h
new file mode 100644
index 000000000000..6a4a50d8f19a
--- /dev/null
+++ b/arch/ia64/include/asm/efi.h
@@ -0,0 +1,13 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _ASM_EFI_H
+#define _ASM_EFI_H
+
+typedef int (*efi_freemem_callback_t) (u64 start, u64 end, void *arg);
+
+void *efi_get_pal_addr(void);
+void efi_map_pal_code(void);
+void efi_memmap_walk(efi_freemem_callback_t, void *);
+void efi_memmap_walk_uc(efi_freemem_callback_t, void *);
+void efi_gettimeofday(struct timespec64 *ts);
+
+#endif
diff --git a/arch/ia64/include/asm/sparsemem.h b/arch/ia64/include/asm/sparsemem.h
index dd8c166ffd7b..42ed5248fae9 100644
--- a/arch/ia64/include/asm/sparsemem.h
+++ b/arch/ia64/include/asm/sparsemem.h
@@ -3,6 +3,7 @@
#define _ASM_IA64_SPARSEMEM_H
#ifdef CONFIG_SPARSEMEM
+#include <asm/page.h>
/*
* SECTION_SIZE_BITS 2^N: how big each section will be
* MAX_PHYSMEM_BITS 2^N: how much memory we can have in that space
diff --git a/arch/ia64/include/uapi/asm/cmpxchg.h b/arch/ia64/include/uapi/asm/cmpxchg.h
index d69c979936d4..5d90307fd6e0 100644
--- a/arch/ia64/include/uapi/asm/cmpxchg.h
+++ b/arch/ia64/include/uapi/asm/cmpxchg.h
@@ -54,7 +54,7 @@ extern void ia64_xchg_called_with_bad_pointer(void);
})
#define xchg(ptr, x) \
-((__typeof__(*(ptr))) __xchg((unsigned long) (x), (ptr), sizeof(*(ptr))))
+({(__typeof__(*(ptr))) __xchg((unsigned long) (x), (ptr), sizeof(*(ptr)));})
/*
* Atomic compare and exchange. Compare OLD with MEM, if identical,
diff --git a/arch/ia64/kernel/crash.c b/arch/ia64/kernel/crash.c
index fec70d662d0c..4f47741005d2 100644
--- a/arch/ia64/kernel/crash.c
+++ b/arch/ia64/kernel/crash.c
@@ -43,7 +43,7 @@ crash_save_this_cpu(void)
elf_greg_t *dst = (elf_greg_t *)&(prstatus->pr_reg);
memset(prstatus, 0, sizeof(*prstatus));
- prstatus->pr_pid = current->pid;
+ prstatus->common.pr_pid = current->pid;
ia64_dump_cpu_regs(dst);
cfm = dst[43];
diff --git a/arch/ia64/kernel/efi.c b/arch/ia64/kernel/efi.c
index f932b25fb817..dd7fd750bb93 100644
--- a/arch/ia64/kernel/efi.c
+++ b/arch/ia64/kernel/efi.c
@@ -34,6 +34,7 @@
#include <linux/kexec.h>
#include <linux/mm.h>
+#include <asm/efi.h>
#include <asm/io.h>
#include <asm/kregs.h>
#include <asm/meminit.h>
diff --git a/arch/ia64/kernel/machine_kexec.c b/arch/ia64/kernel/machine_kexec.c
index efc9b568401c..af310dc8a356 100644
--- a/arch/ia64/kernel/machine_kexec.c
+++ b/arch/ia64/kernel/machine_kexec.c
@@ -16,6 +16,7 @@
#include <linux/numa.h>
#include <linux/mmzone.h>
+#include <asm/efi.h>
#include <asm/numa.h>
#include <asm/mmu_context.h>
#include <asm/setup.h>
diff --git a/arch/ia64/kernel/mca.c b/arch/ia64/kernel/mca.c
index 2703f7795672..0fea266b4d39 100644
--- a/arch/ia64/kernel/mca.c
+++ b/arch/ia64/kernel/mca.c
@@ -91,6 +91,7 @@
#include <linux/gfp.h>
#include <asm/delay.h>
+#include <asm/efi.h>
#include <asm/meminit.h>
#include <asm/page.h>
#include <asm/ptrace.h>
diff --git a/arch/ia64/kernel/smpboot.c b/arch/ia64/kernel/smpboot.c
index 093040f7e626..49b488580939 100644
--- a/arch/ia64/kernel/smpboot.c
+++ b/arch/ia64/kernel/smpboot.c
@@ -45,6 +45,7 @@
#include <asm/cache.h>
#include <asm/current.h>
#include <asm/delay.h>
+#include <asm/efi.h>
#include <asm/io.h>
#include <asm/irq.h>
#include <asm/mca.h>
diff --git a/arch/ia64/kernel/time.c b/arch/ia64/kernel/time.c
index ed9fc3d057a6..fa9c0ab8c6fc 100644
--- a/arch/ia64/kernel/time.c
+++ b/arch/ia64/kernel/time.c
@@ -26,6 +26,7 @@
#include <linux/sched/cputime.h>
#include <asm/delay.h>
+#include <asm/efi.h>
#include <asm/hw_irq.h>
#include <asm/ptrace.h>
#include <asm/sal.h>
@@ -171,29 +172,34 @@ void vtime_account_hardirq(struct task_struct *tsk)
static irqreturn_t
timer_interrupt (int irq, void *dev_id)
{
- unsigned long cur_itm, new_itm, ticks;
+ unsigned long new_itm;
if (cpu_is_offline(smp_processor_id())) {
return IRQ_HANDLED;
}
new_itm = local_cpu_data->itm_next;
- cur_itm = ia64_get_itc();
- if (!time_after(cur_itm, new_itm)) {
+ if (!time_after(ia64_get_itc(), new_itm))
printk(KERN_ERR "Oops: timer tick before it's due (itc=%lx,itm=%lx)\n",
- cur_itm, new_itm);
- ticks = 1;
- } else {
- ticks = DIV_ROUND_UP(cur_itm - new_itm,
- local_cpu_data->itm_delta);
- new_itm += ticks * local_cpu_data->itm_delta;
- }
+ ia64_get_itc(), new_itm);
+
+ while (1) {
+ new_itm += local_cpu_data->itm_delta;
+
+ legacy_timer_tick(smp_processor_id() == time_keeper_id);
- if (smp_processor_id() != time_keeper_id)
- ticks = 0;
+ local_cpu_data->itm_next = new_itm;
- legacy_timer_tick(ticks);
+ if (time_after(new_itm, ia64_get_itc()))
+ break;
+
+ /*
+ * Allow IPIs to interrupt the timer loop.
+ */
+ local_irq_enable();
+ local_irq_disable();
+ }
do {
/*
diff --git a/arch/ia64/kernel/uncached.c b/arch/ia64/kernel/uncached.c
index 0750f367837d..51883a66aeb5 100644
--- a/arch/ia64/kernel/uncached.c
+++ b/arch/ia64/kernel/uncached.c
@@ -20,14 +20,12 @@
#include <linux/genalloc.h>
#include <linux/gfp.h>
#include <linux/pgtable.h>
+#include <asm/efi.h>
#include <asm/page.h>
#include <asm/pal.h>
#include <linux/atomic.h>
#include <asm/tlbflush.h>
-
-extern void __init efi_memmap_walk_uc(efi_freemem_callback_t, void *);
-
struct uncached_pool {
struct gen_pool *pool;
struct mutex add_chunk_mutex; /* serialize adding a converted chunk */
diff --git a/arch/ia64/mm/contig.c b/arch/ia64/mm/contig.c
index bfc4ecd0a2ab..62fe80a16f42 100644
--- a/arch/ia64/mm/contig.c
+++ b/arch/ia64/mm/contig.c
@@ -21,6 +21,7 @@
#include <linux/swap.h>
#include <linux/sizes.h>
+#include <asm/efi.h>
#include <asm/meminit.h>
#include <asm/sections.h>
#include <asm/mca.h>
diff --git a/arch/ia64/mm/discontig.c b/arch/ia64/mm/discontig.c
index c7311131156e..03b3a02375ff 100644
--- a/arch/ia64/mm/discontig.c
+++ b/arch/ia64/mm/discontig.c
@@ -24,6 +24,7 @@
#include <linux/efi.h>
#include <linux/nodemask.h>
#include <linux/slab.h>
+#include <asm/efi.h>
#include <asm/tlb.h>
#include <asm/meminit.h>
#include <asm/numa.h>
diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c
index e76386a3479e..b19f47a5a305 100644
--- a/arch/ia64/mm/init.c
+++ b/arch/ia64/mm/init.c
@@ -27,6 +27,7 @@
#include <linux/swiotlb.h>
#include <asm/dma.h>
+#include <asm/efi.h>
#include <asm/io.h>
#include <asm/numa.h>
#include <asm/patch.h>
diff --git a/arch/ia64/scripts/unwcheck.py b/arch/ia64/scripts/unwcheck.py
index bfd1b671e35f..9581742f0db2 100644
--- a/arch/ia64/scripts/unwcheck.py
+++ b/arch/ia64/scripts/unwcheck.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
# SPDX-License-Identifier: GPL-2.0
#
# Usage: unwcheck.py FILE