aboutsummaryrefslogtreecommitdiff
path: root/arch/ia64
diff options
context:
space:
mode:
Diffstat (limited to 'arch/ia64')
-rw-r--r--arch/ia64/Makefile21
-rw-r--r--arch/ia64/ia32/ia32_entry.S2
-rw-r--r--arch/ia64/kernel/entry.S25
-rw-r--r--arch/ia64/kernel/fsys.S2
-rw-r--r--arch/ia64/kernel/gate.S2
-rw-r--r--arch/ia64/kernel/head.S2
-rw-r--r--arch/ia64/kernel/ivt.S2
-rw-r--r--arch/ia64/kernel/mca.c11
-rw-r--r--arch/ia64/kernel/perfmon.c9
-rw-r--r--arch/ia64/sn/kernel/xpnet.c2
10 files changed, 44 insertions, 34 deletions
diff --git a/arch/ia64/Makefile b/arch/ia64/Makefile
index f9bd88ada70..7ed678cf5e4 100644
--- a/arch/ia64/Makefile
+++ b/arch/ia64/Makefile
@@ -82,25 +82,18 @@ unwcheck: vmlinux
archclean:
$(Q)$(MAKE) $(clean)=$(boot)
-CLEAN_FILES += include/asm-ia64/.offsets.h.stamp vmlinux.gz bootloader
-
-MRPROPER_FILES += include/asm-ia64/offsets.h
-
-prepare: include/asm-ia64/offsets.h
-
-arch/ia64/kernel/asm-offsets.s: include/asm include/linux/version.h include/config/MARKER
-
-include/asm-ia64/offsets.h: arch/ia64/kernel/asm-offsets.s
- $(call filechk,gen-asm-offsets)
-
-arch/ia64/kernel/asm-offsets.s: include/asm-ia64/.offsets.h.stamp
+prepare: include/asm-ia64/.offsets.h.stamp
include/asm-ia64/.offsets.h.stamp:
mkdir -p include/asm-ia64
- [ -s include/asm-ia64/offsets.h ] \
- || echo "#define IA64_TASK_SIZE 0" > include/asm-ia64/offsets.h
+ [ -s include/asm-ia64/asm-offsets.h ] \
+ || echo "#define IA64_TASK_SIZE 0" > include/asm-ia64/asm-offsets.h
touch $@
+
+
+CLEAN_FILES += vmlinux.gz bootloader include/asm-ia64/.offsets.h.stamp
+
boot: lib/lib.a vmlinux
$(Q)$(MAKE) $(build)=$(boot) $@
diff --git a/arch/ia64/ia32/ia32_entry.S b/arch/ia64/ia32/ia32_entry.S
index 0708edb06cc..494fad6bf37 100644
--- a/arch/ia64/ia32/ia32_entry.S
+++ b/arch/ia64/ia32/ia32_entry.S
@@ -1,6 +1,6 @@
#include <asm/asmmacro.h>
#include <asm/ia32.h>
-#include <asm/offsets.h>
+#include <asm/asm-offsets.h>
#include <asm/signal.h>
#include <asm/thread_info.h>
diff --git a/arch/ia64/kernel/entry.S b/arch/ia64/kernel/entry.S
index 3c882102450..ba0b6a1f429 100644
--- a/arch/ia64/kernel/entry.S
+++ b/arch/ia64/kernel/entry.S
@@ -37,7 +37,7 @@
#include <asm/cache.h>
#include <asm/errno.h>
#include <asm/kregs.h>
-#include <asm/offsets.h>
+#include <asm/asm-offsets.h>
#include <asm/pgtable.h>
#include <asm/percpu.h>
#include <asm/processor.h>
@@ -470,6 +470,29 @@ ENTRY(load_switch_stack)
br.cond.sptk.many b7
END(load_switch_stack)
+GLOBAL_ENTRY(prefetch_stack)
+ add r14 = -IA64_SWITCH_STACK_SIZE, sp
+ add r15 = IA64_TASK_THREAD_KSP_OFFSET, in0
+ ;;
+ ld8 r16 = [r15] // load next's stack pointer
+ lfetch.fault.excl [r14], 128
+ ;;
+ lfetch.fault.excl [r14], 128
+ lfetch.fault [r16], 128
+ ;;
+ lfetch.fault.excl [r14], 128
+ lfetch.fault [r16], 128
+ ;;
+ lfetch.fault.excl [r14], 128
+ lfetch.fault [r16], 128
+ ;;
+ lfetch.fault.excl [r14], 128
+ lfetch.fault [r16], 128
+ ;;
+ lfetch.fault [r16], 128
+ br.ret.sptk.many rp
+END(prefetch_switch_stack)
+
GLOBAL_ENTRY(execve)
mov r15=__NR_execve // put syscall number in place
break __BREAK_SYSCALL
diff --git a/arch/ia64/kernel/fsys.S b/arch/ia64/kernel/fsys.S
index 7d7684a369d..2ddbac6f499 100644
--- a/arch/ia64/kernel/fsys.S
+++ b/arch/ia64/kernel/fsys.S
@@ -14,7 +14,7 @@
#include <asm/asmmacro.h>
#include <asm/errno.h>
-#include <asm/offsets.h>
+#include <asm/asm-offsets.h>
#include <asm/percpu.h>
#include <asm/thread_info.h>
#include <asm/sal.h>
diff --git a/arch/ia64/kernel/gate.S b/arch/ia64/kernel/gate.S
index 86948ce63e4..86064ca9895 100644
--- a/arch/ia64/kernel/gate.S
+++ b/arch/ia64/kernel/gate.S
@@ -10,7 +10,7 @@
#include <asm/asmmacro.h>
#include <asm/errno.h>
-#include <asm/offsets.h>
+#include <asm/asm-offsets.h>
#include <asm/sigcontext.h>
#include <asm/system.h>
#include <asm/unistd.h>
diff --git a/arch/ia64/kernel/head.S b/arch/ia64/kernel/head.S
index 8d3a9291b47..bfe65b2e862 100644
--- a/arch/ia64/kernel/head.S
+++ b/arch/ia64/kernel/head.S
@@ -25,7 +25,7 @@
#include <asm/fpu.h>
#include <asm/kregs.h>
#include <asm/mmu_context.h>
-#include <asm/offsets.h>
+#include <asm/asm-offsets.h>
#include <asm/pal.h>
#include <asm/pgtable.h>
#include <asm/processor.h>
diff --git a/arch/ia64/kernel/ivt.S b/arch/ia64/kernel/ivt.S
index 3bb3a13c404..3ba8384cb43 100644
--- a/arch/ia64/kernel/ivt.S
+++ b/arch/ia64/kernel/ivt.S
@@ -44,7 +44,7 @@
#include <asm/break.h>
#include <asm/ia32.h>
#include <asm/kregs.h>
-#include <asm/offsets.h>
+#include <asm/asm-offsets.h>
#include <asm/pgtable.h>
#include <asm/processor.h>
#include <asm/ptrace.h>
diff --git a/arch/ia64/kernel/mca.c b/arch/ia64/kernel/mca.c
index 4ebbf397438..8d484204a3f 100644
--- a/arch/ia64/kernel/mca.c
+++ b/arch/ia64/kernel/mca.c
@@ -491,12 +491,7 @@ init_handler_platform (pal_min_state_area_t *ms,
unw_init_from_interruption(&info, current, pt, sw);
ia64_do_show_stack(&info, NULL);
-#ifdef CONFIG_SMP
- /* read_trylock() would be handy... */
- if (!tasklist_lock.write_lock)
- read_lock(&tasklist_lock);
-#endif
- {
+ if (read_trylock(&tasklist_lock)) {
struct task_struct *g, *t;
do_each_thread (g, t) {
if (t == current)
@@ -506,10 +501,6 @@ init_handler_platform (pal_min_state_area_t *ms,
show_stack(t, NULL);
} while_each_thread (g, t);
}
-#ifdef CONFIG_SMP
- if (!tasklist_lock.write_lock)
- read_unlock(&tasklist_lock);
-#endif
printk("\nINIT dump complete. Please reboot now.\n");
while (1); /* hang city if no debugger */
diff --git a/arch/ia64/kernel/perfmon.c b/arch/ia64/kernel/perfmon.c
index f1201ac8a11..1650353e3f7 100644
--- a/arch/ia64/kernel/perfmon.c
+++ b/arch/ia64/kernel/perfmon.c
@@ -38,6 +38,7 @@
#include <linux/pagemap.h>
#include <linux/mount.h>
#include <linux/bitops.h>
+#include <linux/rcupdate.h>
#include <asm/errno.h>
#include <asm/intrinsics.h>
@@ -496,7 +497,7 @@ typedef struct {
static pfm_stats_t pfm_stats[NR_CPUS];
static pfm_session_t pfm_sessions; /* global sessions information */
-static spinlock_t pfm_alt_install_check = SPIN_LOCK_UNLOCKED;
+static DEFINE_SPINLOCK(pfm_alt_install_check);
static pfm_intr_handler_desc_t *pfm_alt_intr_handler;
static struct proc_dir_entry *perfmon_dir;
@@ -2217,15 +2218,17 @@ static void
pfm_free_fd(int fd, struct file *file)
{
struct files_struct *files = current->files;
+ struct fdtable *fdt = files_fdtable(files);
/*
* there ie no fd_uninstall(), so we do it here
*/
spin_lock(&files->file_lock);
- files->fd[fd] = NULL;
+ rcu_assign_pointer(fdt->fd[fd], NULL);
spin_unlock(&files->file_lock);
- if (file) put_filp(file);
+ if (file)
+ put_filp(file);
put_unused_fd(fd);
}
diff --git a/arch/ia64/sn/kernel/xpnet.c b/arch/ia64/sn/kernel/xpnet.c
index d0c2c114a45..e5c6d3c0a8e 100644
--- a/arch/ia64/sn/kernel/xpnet.c
+++ b/arch/ia64/sn/kernel/xpnet.c
@@ -130,7 +130,7 @@ struct net_device *xpnet_device;
*/
static u64 xpnet_broadcast_partitions;
/* protect above */
-static spinlock_t xpnet_broadcast_lock = SPIN_LOCK_UNLOCKED;
+static DEFINE_SPINLOCK(xpnet_broadcast_lock);
/*
* Since the Block Transfer Engine (BTE) is being used for the transfer
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-01 00:12:07 +0000