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authorLinus Torvalds <torvalds@g5.osdl.org>2005-07-11 23:08:08 +0200
committerLinus Torvalds <torvalds@g5.osdl.org>2005-07-11 23:08:08 +0200
commit1604d9c8f8dffafe3a077dc5ae7c935d2318bcf6 (patch)
tree176e2dd02e60942bd1afc7ec45bbb18939461424 /arch
parent[PATCH] v850: Update mmu.h header to match implementation changes (diff)
parent[IA64] assign_irq_vector() should not panic (diff)
downloadlinux-1604d9c8f8dffafe3a077dc5ae7c935d2318bcf6.tar.xz
linux-1604d9c8f8dffafe3a077dc5ae7c935d2318bcf6.zip
Merge master.kernel.org:/pub/scm/linux/kernel/git/aegl/linux-2.6
Diffstat (limited to 'arch')
-rw-r--r--arch/ia64/hp/sim/simeth.c6
-rw-r--r--arch/ia64/hp/sim/simserial.c7
-rw-r--r--arch/ia64/kernel/entry.S2
-rw-r--r--arch/ia64/kernel/iosapic.c13
-rw-r--r--arch/ia64/kernel/irq_ia64.c15
-rw-r--r--arch/ia64/kernel/perfmon.c1
-rw-r--r--arch/ia64/sn/kernel/tiocx.c1
-rw-r--r--arch/ia64/sn/kernel/xpc_main.c16
8 files changed, 26 insertions, 35 deletions
diff --git a/arch/ia64/hp/sim/simeth.c b/arch/ia64/hp/sim/simeth.c
index ae84a1018a89..0639ec0ed015 100644
--- a/arch/ia64/hp/sim/simeth.c
+++ b/arch/ia64/hp/sim/simeth.c
@@ -191,7 +191,7 @@ simeth_probe1(void)
unsigned char mac_addr[ETH_ALEN];
struct simeth_local *local;
struct net_device *dev;
- int fd, i, err;
+ int fd, i, err, rc;
/*
* XXX Fix me
@@ -228,7 +228,9 @@ simeth_probe1(void)
return err;
}
- dev->irq = assign_irq_vector(AUTO_ASSIGN);
+ if ((rc = assign_irq_vector(AUTO_ASSIGN)) < 0)
+ panic("%s: out of interrupt vectors!\n", __FUNCTION__);
+ dev->irq = rc;
/*
* attach the interrupt in the simulator, this does enable interrupts
diff --git a/arch/ia64/hp/sim/simserial.c b/arch/ia64/hp/sim/simserial.c
index 7a8ae0f4b387..7dcb8582ae0d 100644
--- a/arch/ia64/hp/sim/simserial.c
+++ b/arch/ia64/hp/sim/simserial.c
@@ -982,7 +982,7 @@ static struct tty_operations hp_ops = {
static int __init
simrs_init (void)
{
- int i;
+ int i, rc;
struct serial_state *state;
if (!ia64_platform_is("hpsim"))
@@ -1017,7 +1017,10 @@ simrs_init (void)
if (state->type == PORT_UNKNOWN) continue;
if (!state->irq) {
- state->irq = assign_irq_vector(AUTO_ASSIGN);
+ if ((rc = assign_irq_vector(AUTO_ASSIGN)) < 0)
+ panic("%s: out of interrupt vectors!\n",
+ __FUNCTION__);
+ state->irq = rc;
ia64_ssc_connect_irq(KEYBOARD_INTR, state->irq);
}
diff --git a/arch/ia64/kernel/entry.S b/arch/ia64/kernel/entry.S
index 69f88d561d62..bb9a506deb78 100644
--- a/arch/ia64/kernel/entry.S
+++ b/arch/ia64/kernel/entry.S
@@ -1249,7 +1249,7 @@ ENTRY(sys_rt_sigreturn)
stf.spill [r17]=f11
adds out0=16,sp // out0 = &sigscratch
br.call.sptk.many rp=ia64_rt_sigreturn
-.ret19: .restore sp 0
+.ret19: .restore sp,0
adds sp=16,sp
;;
ld8 r9=[sp] // load new ar.unat
diff --git a/arch/ia64/kernel/iosapic.c b/arch/ia64/kernel/iosapic.c
index c170be095ccd..7936b62f7a2e 100644
--- a/arch/ia64/kernel/iosapic.c
+++ b/arch/ia64/kernel/iosapic.c
@@ -489,8 +489,6 @@ static int iosapic_find_sharable_vector (unsigned long trigger, unsigned long po
}
}
}
- if (vector < 0)
- panic("%s: out of interrupt vectors!\n", __FUNCTION__);
return vector;
}
@@ -506,6 +504,8 @@ iosapic_reassign_vector (int vector)
if (!list_empty(&iosapic_intr_info[vector].rtes)) {
new_vector = assign_irq_vector(AUTO_ASSIGN);
+ if (new_vector < 0)
+ panic("%s: out of interrupt vectors!\n", __FUNCTION__);
printk(KERN_INFO "Reassigning vector %d to %d\n", vector, new_vector);
memcpy(&iosapic_intr_info[new_vector], &iosapic_intr_info[vector],
sizeof(struct iosapic_intr_info));
@@ -734,9 +734,12 @@ again:
spin_unlock_irqrestore(&iosapic_lock, flags);
/* If vector is running out, we try to find a sharable vector */
- vector = assign_irq_vector_nopanic(AUTO_ASSIGN);
- if (vector < 0)
+ vector = assign_irq_vector(AUTO_ASSIGN);
+ if (vector < 0) {
vector = iosapic_find_sharable_vector(trigger, polarity);
+ if (vector < 0)
+ panic("%s: out of interrupt vectors!\n", __FUNCTION__);
+ }
spin_lock_irqsave(&irq_descp(vector)->lock, flags);
spin_lock(&iosapic_lock);
@@ -884,6 +887,8 @@ iosapic_register_platform_intr (u32 int_type, unsigned int gsi,
break;
case ACPI_INTERRUPT_INIT:
vector = assign_irq_vector(AUTO_ASSIGN);
+ if (vector < 0)
+ panic("%s: out of interrupt vectors!\n", __FUNCTION__);
delivery = IOSAPIC_INIT;
break;
case ACPI_INTERRUPT_CPEI:
diff --git a/arch/ia64/kernel/irq_ia64.c b/arch/ia64/kernel/irq_ia64.c
index 4fe60c7a2e90..6c4d59fd0364 100644
--- a/arch/ia64/kernel/irq_ia64.c
+++ b/arch/ia64/kernel/irq_ia64.c
@@ -63,30 +63,19 @@ EXPORT_SYMBOL(isa_irq_to_vector_map);
static unsigned long ia64_vector_mask[BITS_TO_LONGS(IA64_NUM_DEVICE_VECTORS)];
int
-assign_irq_vector_nopanic (int irq)
+assign_irq_vector (int irq)
{
int pos, vector;
again:
pos = find_first_zero_bit(ia64_vector_mask, IA64_NUM_DEVICE_VECTORS);
vector = IA64_FIRST_DEVICE_VECTOR + pos;
if (vector > IA64_LAST_DEVICE_VECTOR)
- return -1;
+ return -ENOSPC;
if (test_and_set_bit(pos, ia64_vector_mask))
goto again;
return vector;
}
-int
-assign_irq_vector (int irq)
-{
- int vector = assign_irq_vector_nopanic(irq);
-
- if (vector < 0)
- panic("assign_irq_vector: out of interrupt vectors!");
-
- return vector;
-}
-
void
free_irq_vector (int vector)
{
diff --git a/arch/ia64/kernel/perfmon.c b/arch/ia64/kernel/perfmon.c
index 6407bff6bfd7..b8ebb8e427ef 100644
--- a/arch/ia64/kernel/perfmon.c
+++ b/arch/ia64/kernel/perfmon.c
@@ -37,7 +37,6 @@
#include <linux/vfs.h>
#include <linux/pagemap.h>
#include <linux/mount.h>
-#include <linux/version.h>
#include <linux/bitops.h>
#include <asm/errno.h>
diff --git a/arch/ia64/sn/kernel/tiocx.c b/arch/ia64/sn/kernel/tiocx.c
index c1cbcd1a1398..254fe15c064b 100644
--- a/arch/ia64/sn/kernel/tiocx.c
+++ b/arch/ia64/sn/kernel/tiocx.c
@@ -8,7 +8,6 @@
#include <linux/module.h>
#include <linux/kernel.h>
-#include <linux/version.h>
#include <linux/slab.h>
#include <linux/spinlock.h>
#include <linux/proc_fs.h>
diff --git a/arch/ia64/sn/kernel/xpc_main.c b/arch/ia64/sn/kernel/xpc_main.c
index 177ddb748ebe..d580adcad927 100644
--- a/arch/ia64/sn/kernel/xpc_main.c
+++ b/arch/ia64/sn/kernel/xpc_main.c
@@ -53,6 +53,7 @@
#include <linux/cache.h>
#include <linux/interrupt.h>
#include <linux/slab.h>
+#include <linux/delay.h>
#include <asm/sn/intr.h>
#include <asm/sn/sn_sal.h>
#include <asm/uaccess.h>
@@ -308,8 +309,7 @@ xpc_make_first_contact(struct xpc_partition *part)
"partition %d\n", XPC_PARTID(part));
/* wait a 1/4 of a second or so */
- set_current_state(TASK_INTERRUPTIBLE);
- (void) schedule_timeout(0.25 * HZ);
+ msleep_interruptible(250);
if (part->act_state == XPC_P_DEACTIVATING) {
return part->reason;
@@ -841,9 +841,7 @@ xpc_do_exit(void)
down(&xpc_discovery_exited);
- set_current_state(TASK_INTERRUPTIBLE);
- schedule_timeout(0.3 * HZ);
- set_current_state(TASK_RUNNING);
+ msleep_interruptible(300);
/* wait for all partitions to become inactive */
@@ -860,12 +858,8 @@ xpc_do_exit(void)
}
}
- if (active_part_count) {
- set_current_state(TASK_INTERRUPTIBLE);
- schedule_timeout(0.3 * HZ);
- set_current_state(TASK_RUNNING);
- }
-
+ if (active_part_count)
+ msleep_interruptible(300);
} while (active_part_count > 0);