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-rw-r--r--arch/ia64/ia32/ia32_entry.S2
-rw-r--r--arch/ia64/ia32/sys_ia32.c55
-rw-r--r--arch/ia64/include/asm/cacheflush.h1
-rw-r--r--arch/ia64/include/asm/kvm.h1
-rw-r--r--arch/ia64/include/asm/kvm_host.h1
-rw-r--r--arch/ia64/include/asm/socket.h2
-rw-r--r--arch/ia64/include/asm/spinlock.h62
-rw-r--r--arch/ia64/include/asm/spinlock_types.h2
-rw-r--r--arch/ia64/include/asm/swiotlb.h2
-rw-r--r--arch/ia64/include/asm/unistd.h3
-rw-r--r--arch/ia64/kernel/crash.c11
-rw-r--r--arch/ia64/kernel/entry.S1
-rw-r--r--arch/ia64/kernel/mca.c104
-rw-r--r--arch/ia64/kernel/pci-swiotlb.c4
-rw-r--r--arch/ia64/kernel/perfmon.c14
-rw-r--r--arch/ia64/kernel/time.c4
-rw-r--r--arch/ia64/kernel/unaligned.c6
-rw-r--r--arch/ia64/kvm/Makefile2
-rw-r--r--arch/ia64/kvm/kvm-ia64.c19
-rw-r--r--arch/ia64/mm/tlb.c24
-rw-r--r--arch/ia64/pci/pci.c9
-rw-r--r--arch/ia64/sn/kernel/io_common.c8
-rw-r--r--arch/ia64/sn/kernel/sn2/sn_hwperf.c7
23 files changed, 161 insertions, 183 deletions
diff --git a/arch/ia64/ia32/ia32_entry.S b/arch/ia64/ia32/ia32_entry.S
index af9405cd70e5..10c37510f4b4 100644
--- a/arch/ia64/ia32/ia32_entry.S
+++ b/arch/ia64/ia32/ia32_entry.S
@@ -327,7 +327,7 @@ ia32_syscall_table:
data8 compat_sys_writev
data8 sys_getsid
data8 sys_fdatasync
- data8 sys32_sysctl
+ data8 compat_sys_sysctl
data8 sys_mlock /* 150 */
data8 sys_munlock
data8 sys_mlockall
diff --git a/arch/ia64/ia32/sys_ia32.c b/arch/ia64/ia32/sys_ia32.c
index 625ed8f76fce..429ec968c9ee 100644
--- a/arch/ia64/ia32/sys_ia32.c
+++ b/arch/ia64/ia32/sys_ia32.c
@@ -1628,61 +1628,6 @@ sys32_msync (unsigned int start, unsigned int len, int flags)
return sys_msync(addr, len + (start - addr), flags);
}
-struct sysctl32 {
- unsigned int name;
- int nlen;
- unsigned int oldval;
- unsigned int oldlenp;
- unsigned int newval;
- unsigned int newlen;
- unsigned int __unused[4];
-};
-
-#ifdef CONFIG_SYSCTL_SYSCALL
-asmlinkage long
-sys32_sysctl (struct sysctl32 __user *args)
-{
- struct sysctl32 a32;
- mm_segment_t old_fs = get_fs ();
- void __user *oldvalp, *newvalp;
- size_t oldlen;
- int __user *namep;
- long ret;
-
- if (copy_from_user(&a32, args, sizeof(a32)))
- return -EFAULT;
-
- /*
- * We need to pre-validate these because we have to disable address checking
- * before calling do_sysctl() because of OLDLEN but we can't run the risk of the
- * user specifying bad addresses here. Well, since we're dealing with 32 bit
- * addresses, we KNOW that access_ok() will always succeed, so this is an
- * expensive NOP, but so what...
- */
- namep = (int __user *) compat_ptr(a32.name);
- oldvalp = compat_ptr(a32.oldval);
- newvalp = compat_ptr(a32.newval);
-
- if ((oldvalp && get_user(oldlen, (int __user *) compat_ptr(a32.oldlenp)))
- || !access_ok(VERIFY_WRITE, namep, 0)
- || !access_ok(VERIFY_WRITE, oldvalp, 0)
- || !access_ok(VERIFY_WRITE, newvalp, 0))
- return -EFAULT;
-
- set_fs(KERNEL_DS);
- lock_kernel();
- ret = do_sysctl(namep, a32.nlen, oldvalp, (size_t __user *) &oldlen,
- newvalp, (size_t) a32.newlen);
- unlock_kernel();
- set_fs(old_fs);
-
- if (oldvalp && put_user (oldlen, (int __user *) compat_ptr(a32.oldlenp)))
- return -EFAULT;
-
- return ret;
-}
-#endif
-
asmlinkage long
sys32_newuname (struct new_utsname __user *name)
{
diff --git a/arch/ia64/include/asm/cacheflush.h b/arch/ia64/include/asm/cacheflush.h
index c8ce2719fee8..429eefc93ee7 100644
--- a/arch/ia64/include/asm/cacheflush.h
+++ b/arch/ia64/include/asm/cacheflush.h
@@ -25,6 +25,7 @@
#define flush_cache_vmap(start, end) do { } while (0)
#define flush_cache_vunmap(start, end) do { } while (0)
+#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1
#define flush_dcache_page(page) \
do { \
clear_bit(PG_arch_1, &(page)->flags); \
diff --git a/arch/ia64/include/asm/kvm.h b/arch/ia64/include/asm/kvm.h
index 18a7e49abbc5..bc90c75adf67 100644
--- a/arch/ia64/include/asm/kvm.h
+++ b/arch/ia64/include/asm/kvm.h
@@ -60,6 +60,7 @@ struct kvm_ioapic_state {
#define KVM_IRQCHIP_PIC_MASTER 0
#define KVM_IRQCHIP_PIC_SLAVE 1
#define KVM_IRQCHIP_IOAPIC 2
+#define KVM_NR_IRQCHIPS 3
#define KVM_CONTEXT_SIZE 8*1024
diff --git a/arch/ia64/include/asm/kvm_host.h b/arch/ia64/include/asm/kvm_host.h
index d9b6325a9328..a362e67e0ca6 100644
--- a/arch/ia64/include/asm/kvm_host.h
+++ b/arch/ia64/include/asm/kvm_host.h
@@ -475,7 +475,6 @@ struct kvm_arch {
struct list_head assigned_dev_head;
struct iommu_domain *iommu_domain;
int iommu_flags;
- struct hlist_head irq_ack_notifier_list;
unsigned long irq_sources_bitmap;
unsigned long irq_states[KVM_IOAPIC_NUM_PINS];
diff --git a/arch/ia64/include/asm/socket.h b/arch/ia64/include/asm/socket.h
index 0b0d5ff062e5..51427eaa51ba 100644
--- a/arch/ia64/include/asm/socket.h
+++ b/arch/ia64/include/asm/socket.h
@@ -69,4 +69,6 @@
#define SO_PROTOCOL 38
#define SO_DOMAIN 39
+#define SO_RXQ_OVFL 40
+
#endif /* _ASM_IA64_SOCKET_H */
diff --git a/arch/ia64/include/asm/spinlock.h b/arch/ia64/include/asm/spinlock.h
index 30bb930e1111..239ecdc9516d 100644
--- a/arch/ia64/include/asm/spinlock.h
+++ b/arch/ia64/include/asm/spinlock.h
@@ -25,61 +25,82 @@
* by atomically noting the tail and incrementing it by one (thus adding
* ourself to the queue and noting our position), then waiting until the head
* becomes equal to the the initial value of the tail.
+ * The pad bits in the middle are used to prevent the next_ticket number
+ * overflowing into the now_serving number.
*
- * 63 32 31 0
+ * 31 17 16 15 14 0
* +----------------------------------------------------+
- * | next_ticket_number | now_serving |
+ * | now_serving | padding | next_ticket |
* +----------------------------------------------------+
*/
-#define TICKET_SHIFT 32
+#define TICKET_SHIFT 17
+#define TICKET_BITS 15
+#define TICKET_MASK ((1 << TICKET_BITS) - 1)
static __always_inline void __ticket_spin_lock(raw_spinlock_t *lock)
{
- int *p = (int *)&lock->lock, turn, now_serving;
+ int *p = (int *)&lock->lock, ticket, serve;
- now_serving = *p;
- turn = ia64_fetchadd(1, p+1, acq);
+ ticket = ia64_fetchadd(1, p, acq);
- if (turn == now_serving)
+ if (!(((ticket >> TICKET_SHIFT) ^ ticket) & TICKET_MASK))
return;
- do {
+ ia64_invala();
+
+ for (;;) {
+ asm volatile ("ld4.c.nc %0=[%1]" : "=r"(serve) : "r"(p) : "memory");
+
+ if (!(((serve >> TICKET_SHIFT) ^ ticket) & TICKET_MASK))
+ return;
cpu_relax();
- } while (ACCESS_ONCE(*p) != turn);
+ }
}
static __always_inline int __ticket_spin_trylock(raw_spinlock_t *lock)
{
- long tmp = ACCESS_ONCE(lock->lock), try;
-
- if (!(((tmp >> TICKET_SHIFT) ^ tmp) & ((1L << TICKET_SHIFT) - 1))) {
- try = tmp + (1L << TICKET_SHIFT);
+ int tmp = ACCESS_ONCE(lock->lock);
- return ia64_cmpxchg(acq, &lock->lock, tmp, try, sizeof (tmp)) == tmp;
- }
+ if (!(((tmp >> TICKET_SHIFT) ^ tmp) & TICKET_MASK))
+ return ia64_cmpxchg(acq, &lock->lock, tmp, tmp + 1, sizeof (tmp)) == tmp;
return 0;
}
static __always_inline void __ticket_spin_unlock(raw_spinlock_t *lock)
{
- int *p = (int *)&lock->lock;
+ unsigned short *p = (unsigned short *)&lock->lock + 1, tmp;
- (void)ia64_fetchadd(1, p, rel);
+ asm volatile ("ld2.bias %0=[%1]" : "=r"(tmp) : "r"(p));
+ ACCESS_ONCE(*p) = (tmp + 2) & ~1;
+}
+
+static __always_inline void __ticket_spin_unlock_wait(raw_spinlock_t *lock)
+{
+ int *p = (int *)&lock->lock, ticket;
+
+ ia64_invala();
+
+ for (;;) {
+ asm volatile ("ld4.c.nc %0=[%1]" : "=r"(ticket) : "r"(p) : "memory");
+ if (!(((ticket >> TICKET_SHIFT) ^ ticket) & TICKET_MASK))
+ return;
+ cpu_relax();
+ }
}
static inline int __ticket_spin_is_locked(raw_spinlock_t *lock)
{
long tmp = ACCESS_ONCE(lock->lock);
- return !!(((tmp >> TICKET_SHIFT) ^ tmp) & ((1L << TICKET_SHIFT) - 1));
+ return !!(((tmp >> TICKET_SHIFT) ^ tmp) & TICKET_MASK);
}
static inline int __ticket_spin_is_contended(raw_spinlock_t *lock)
{
long tmp = ACCESS_ONCE(lock->lock);
- return (((tmp >> TICKET_SHIFT) - tmp) & ((1L << TICKET_SHIFT) - 1)) > 1;
+ return ((tmp - (tmp >> TICKET_SHIFT)) & TICKET_MASK) > 1;
}
static inline int __raw_spin_is_locked(raw_spinlock_t *lock)
@@ -116,8 +137,7 @@ static __always_inline void __raw_spin_lock_flags(raw_spinlock_t *lock,
static inline void __raw_spin_unlock_wait(raw_spinlock_t *lock)
{
- while (__raw_spin_is_locked(lock))
- cpu_relax();
+ __ticket_spin_unlock_wait(lock);
}
#define __raw_read_can_lock(rw) (*(volatile int *)(rw) >= 0)
diff --git a/arch/ia64/include/asm/spinlock_types.h b/arch/ia64/include/asm/spinlock_types.h
index b61d136d9bc2..474e46f1ab4a 100644
--- a/arch/ia64/include/asm/spinlock_types.h
+++ b/arch/ia64/include/asm/spinlock_types.h
@@ -6,7 +6,7 @@
#endif
typedef struct {
- volatile unsigned long lock;
+ volatile unsigned int lock;
} raw_spinlock_t;
#define __RAW_SPIN_LOCK_UNLOCKED { 0 }
diff --git a/arch/ia64/include/asm/swiotlb.h b/arch/ia64/include/asm/swiotlb.h
index dcbaea7ce128..f0acde68aaea 100644
--- a/arch/ia64/include/asm/swiotlb.h
+++ b/arch/ia64/include/asm/swiotlb.h
@@ -4,8 +4,6 @@
#include <linux/dma-mapping.h>
#include <linux/swiotlb.h>
-extern int swiotlb_force;
-
#ifdef CONFIG_SWIOTLB
extern int swiotlb;
extern void pci_swiotlb_init(void);
diff --git a/arch/ia64/include/asm/unistd.h b/arch/ia64/include/asm/unistd.h
index 5a5347f5c4e4..10a8f21ca9e3 100644
--- a/arch/ia64/include/asm/unistd.h
+++ b/arch/ia64/include/asm/unistd.h
@@ -311,11 +311,12 @@
#define __NR_preadv 1319
#define __NR_pwritev 1320
#define __NR_rt_tgsigqueueinfo 1321
+#define __NR_recvmmsg 1322
#ifdef __KERNEL__
-#define NR_syscalls 298 /* length of syscall table */
+#define NR_syscalls 299 /* length of syscall table */
/*
* The following defines stop scripts/checksyscalls.sh from complaining about
diff --git a/arch/ia64/kernel/crash.c b/arch/ia64/kernel/crash.c
index 6631a9dfafdc..b942f4032d7a 100644
--- a/arch/ia64/kernel/crash.c
+++ b/arch/ia64/kernel/crash.c
@@ -239,32 +239,29 @@ kdump_init_notifier(struct notifier_block *self, unsigned long val, void *data)
#ifdef CONFIG_SYSCTL
static ctl_table kdump_ctl_table[] = {
{
- .ctl_name = CTL_UNNUMBERED,
.procname = "kdump_on_init",
.data = &kdump_on_init,
.maxlen = sizeof(int),
.mode = 0644,
- .proc_handler = &proc_dointvec,
+ .proc_handler = proc_dointvec,
},
{
- .ctl_name = CTL_UNNUMBERED,
.procname = "kdump_on_fatal_mca",
.data = &kdump_on_fatal_mca,
.maxlen = sizeof(int),
.mode = 0644,
- .proc_handler = &proc_dointvec,
+ .proc_handler = proc_dointvec,
},
- { .ctl_name = 0 }
+ { }
};
static ctl_table sys_table[] = {
{
- .ctl_name = CTL_KERN,
.procname = "kernel",
.mode = 0555,
.child = kdump_ctl_table,
},
- { .ctl_name = 0 }
+ { }
};
#endif
diff --git a/arch/ia64/kernel/entry.S b/arch/ia64/kernel/entry.S
index d0e7d37017b4..d75b872ca4dc 100644
--- a/arch/ia64/kernel/entry.S
+++ b/arch/ia64/kernel/entry.S
@@ -1806,6 +1806,7 @@ sys_call_table:
data8 sys_preadv
data8 sys_pwritev // 1320
data8 sys_rt_tgsigqueueinfo
+ data8 sys_recvmmsg
.org sys_call_table + 8*NR_syscalls // guard against failures to increase NR_syscalls
#endif /* __IA64_ASM_PARAVIRTUALIZED_NATIVE */
diff --git a/arch/ia64/kernel/mca.c b/arch/ia64/kernel/mca.c
index d2877a7bfe2e..496ac7a99488 100644
--- a/arch/ia64/kernel/mca.c
+++ b/arch/ia64/kernel/mca.c
@@ -887,6 +887,60 @@ ia64_mca_modify_comm(const struct task_struct *previous_current)
memcpy(current->comm, comm, sizeof(current->comm));
}
+static void
+finish_pt_regs(struct pt_regs *regs, const pal_min_state_area_t *ms,
+ unsigned long *nat)
+{
+ const u64 *bank;
+
+ /* If ipsr.ic then use pmsa_{iip,ipsr,ifs}, else use
+ * pmsa_{xip,xpsr,xfs}
+ */
+ if (ia64_psr(regs)->ic) {
+ regs->cr_iip = ms->pmsa_iip;
+ regs->cr_ipsr = ms->pmsa_ipsr;
+ regs->cr_ifs = ms->pmsa_ifs;
+ } else {
+ regs->cr_iip = ms->pmsa_xip;
+ regs->cr_ipsr = ms->pmsa_xpsr;
+ regs->cr_ifs = ms->pmsa_xfs;
+ }
+ regs->pr = ms->pmsa_pr;
+ regs->b0 = ms->pmsa_br0;
+ regs->ar_rsc = ms->pmsa_rsc;
+ copy_reg(&ms->pmsa_gr[1-1], ms->pmsa_nat_bits, &regs->r1, nat);
+ copy_reg(&ms->pmsa_gr[2-1], ms->pmsa_nat_bits, &regs->r2, nat);
+ copy_reg(&ms->pmsa_gr[3-1], ms->pmsa_nat_bits, &regs->r3, nat);
+ copy_reg(&ms->pmsa_gr[8-1], ms->pmsa_nat_bits, &regs->r8, nat);
+ copy_reg(&ms->pmsa_gr[9-1], ms->pmsa_nat_bits, &regs->r9, nat);
+ copy_reg(&ms->pmsa_gr[10-1], ms->pmsa_nat_bits, &regs->r10, nat);
+ copy_reg(&ms->pmsa_gr[11-1], ms->pmsa_nat_bits, &regs->r11, nat);
+ copy_reg(&ms->pmsa_gr[12-1], ms->pmsa_nat_bits, &regs->r12, nat);
+ copy_reg(&ms->pmsa_gr[13-1], ms->pmsa_nat_bits, &regs->r13, nat);
+ copy_reg(&ms->pmsa_gr[14-1], ms->pmsa_nat_bits, &regs->r14, nat);
+ copy_reg(&ms->pmsa_gr[15-1], ms->pmsa_nat_bits, &regs->r15, nat);
+ if (ia64_psr(regs)->bn)
+ bank = ms->pmsa_bank1_gr;
+ else
+ bank = ms->pmsa_bank0_gr;
+ copy_reg(&bank[16-16], ms->pmsa_nat_bits, &regs->r16, nat);
+ copy_reg(&bank[17-16], ms->pmsa_nat_bits, &regs->r17, nat);
+ copy_reg(&bank[18-16], ms->pmsa_nat_bits, &regs->r18, nat);
+ copy_reg(&bank[19-16], ms->pmsa_nat_bits, &regs->r19, nat);
+ copy_reg(&bank[20-16], ms->pmsa_nat_bits, &regs->r20, nat);
+ copy_reg(&bank[21-16], ms->pmsa_nat_bits, &regs->r21, nat);
+ copy_reg(&bank[22-16], ms->pmsa_nat_bits, &regs->r22, nat);
+ copy_reg(&bank[23-16], ms->pmsa_nat_bits, &regs->r23, nat);
+ copy_reg(&bank[24-16], ms->pmsa_nat_bits, &regs->r24, nat);
+ copy_reg(&bank[25-16], ms->pmsa_nat_bits, &regs->r25, nat);
+ copy_reg(&bank[26-16], ms->pmsa_nat_bits, &regs->r26, nat);
+ copy_reg(&bank[27-16], ms->pmsa_nat_bits, &regs->r27, nat);
+ copy_reg(&bank[28-16], ms->pmsa_nat_bits, &regs->r28, nat);
+ copy_reg(&bank[29-16], ms->pmsa_nat_bits, &regs->r29, nat);
+ copy_reg(&bank[30-16], ms->pmsa_nat_bits, &regs->r30, nat);
+ copy_reg(&bank[31-16], ms->pmsa_nat_bits, &regs->r31, nat);
+}
+
/* On entry to this routine, we are running on the per cpu stack, see
* mca_asm.h. The original stack has not been touched by this event. Some of
* the original stack's registers will be in the RBS on this stack. This stack
@@ -921,7 +975,6 @@ ia64_mca_modify_original_stack(struct pt_regs *regs,
u64 r12 = ms->pmsa_gr[12-1], r13 = ms->pmsa_gr[13-1];
u64 ar_bspstore = regs->ar_bspstore;
u64 ar_bsp = regs->ar_bspstore + (loadrs >> 16);
- const u64 *bank;
const char *msg;
int cpu = smp_processor_id();
@@ -1024,54 +1077,9 @@ ia64_mca_modify_original_stack(struct pt_regs *regs,
p = (char *)r12 - sizeof(*regs);
old_regs = (struct pt_regs *)p;
memcpy(old_regs, regs, sizeof(*regs));
- /* If ipsr.ic then use pmsa_{iip,ipsr,ifs}, else use
- * pmsa_{xip,xpsr,xfs}
- */
- if (ia64_psr(regs)->ic) {
- old_regs->cr_iip = ms->pmsa_iip;
- old_regs->cr_ipsr = ms->pmsa_ipsr;
- old_regs->cr_ifs = ms->pmsa_ifs;
- } else {
- old_regs->cr_iip = ms->pmsa_xip;
- old_regs->cr_ipsr = ms->pmsa_xpsr;
- old_regs->cr_ifs = ms->pmsa_xfs;
- }
- old_regs->pr = ms->pmsa_pr;
- old_regs->b0 = ms->pmsa_br0;
old_regs->loadrs = loadrs;
- old_regs->ar_rsc = ms->pmsa_rsc;
old_unat = old_regs->ar_unat;
- copy_reg(&ms->pmsa_gr[1-1], ms->pmsa_nat_bits, &old_regs->r1, &old_unat);
- copy_reg(&ms->pmsa_gr[2-1], ms->pmsa_nat_bits, &old_regs->r2, &old_unat);
- copy_reg(&ms->pmsa_gr[3-1], ms->pmsa_nat_bits, &old_regs->r3, &old_unat);
- copy_reg(&ms->pmsa_gr[8-1], ms->pmsa_nat_bits, &old_regs->r8, &old_unat);
- copy_reg(&ms->pmsa_gr[9-1], ms->pmsa_nat_bits, &old_regs->r9, &old_unat);
- copy_reg(&ms->pmsa_gr[10-1], ms->pmsa_nat_bits, &old_regs->r10, &old_unat);
- copy_reg(&ms->pmsa_gr[11-1], ms->pmsa_nat_bits, &old_regs->r11, &old_unat);
- copy_reg(&ms->pmsa_gr[12-1], ms->pmsa_nat_bits, &old_regs->r12, &old_unat);
- copy_reg(&ms->pmsa_gr[13-1], ms->pmsa_nat_bits, &old_regs->r13, &old_unat);
- copy_reg(&ms->pmsa_gr[14-1], ms->pmsa_nat_bits, &old_regs->r14, &old_unat);
- copy_reg(&ms->pmsa_gr[15-1], ms->pmsa_nat_bits, &old_regs->r15, &old_unat);
- if (ia64_psr(old_regs)->bn)
- bank = ms->pmsa_bank1_gr;
- else
- bank = ms->pmsa_bank0_gr;
- copy_reg(&bank[16-16], ms->pmsa_nat_bits, &old_regs->r16, &old_unat);
- copy_reg(&bank[17-16], ms->pmsa_nat_bits, &old_regs->r17, &old_unat);
- copy_reg(&bank[18-16], ms->pmsa_nat_bits, &old_regs->r18, &old_unat);
- copy_reg(&bank[19-16], ms->pmsa_nat_bits, &old_regs->r19, &old_unat);
- copy_reg(&bank[20-16], ms->pmsa_nat_bits, &old_regs->r20, &old_unat);
- copy_reg(&bank[21-16], ms->pmsa_nat_bits, &old_regs->r21, &old_unat);
- copy_reg(&bank[22-16], ms->pmsa_nat_bits, &old_regs->r22, &old_unat);
- copy_reg(&bank[23-16], ms->pmsa_nat_bits, &old_regs->r23, &old_unat);
- copy_reg(&bank[24-16], ms->pmsa_nat_bits, &old_regs->r24, &old_unat);
- copy_reg(&bank[25-16], ms->pmsa_nat_bits, &old_regs->r25, &old_unat);
- copy_reg(&bank[26-16], ms->pmsa_nat_bits, &old_regs->r26, &old_unat);
- copy_reg(&bank[27-16], ms->pmsa_nat_bits, &old_regs->r27, &old_unat);
- copy_reg(&bank[28-16], ms->pmsa_nat_bits, &old_regs->r28, &old_unat);
- copy_reg(&bank[29-16], ms->pmsa_nat_bits, &old_regs->r29, &old_unat);
- copy_reg(&bank[30-16], ms->pmsa_nat_bits, &old_regs->r30, &old_unat);
- copy_reg(&bank[31-16], ms->pmsa_nat_bits, &old_regs->r31, &old_unat);
+ finish_pt_regs(old_regs, ms, &old_unat);
/* Next stack a struct switch_stack. mca_asm.S built a partial
* switch_stack, copy it and fill in the blanks using pt_regs and
@@ -1141,6 +1149,8 @@ ia64_mca_modify_original_stack(struct pt_regs *regs,
no_mod:
mprintk(KERN_INFO "cpu %d, %s %s, original stack not modified\n",
smp_processor_id(), type, msg);
+ old_unat = regs->ar_unat;
+ finish_pt_regs(regs, ms, &old_unat);
return previous_current;
}
diff --git a/arch/ia64/kernel/pci-swiotlb.c b/arch/ia64/kernel/pci-swiotlb.c
index 285aae8431c6..53292abf846c 100644
--- a/arch/ia64/kernel/pci-swiotlb.c
+++ b/arch/ia64/kernel/pci-swiotlb.c
@@ -41,7 +41,7 @@ struct dma_map_ops swiotlb_dma_ops = {
void __init swiotlb_dma_init(void)
{
dma_ops = &swiotlb_dma_ops;
- swiotlb_init();
+ swiotlb_init(1);
}
void __init pci_swiotlb_init(void)
@@ -51,7 +51,7 @@ void __init pci_swiotlb_init(void)
swiotlb = 1;
printk(KERN_INFO "PCI-DMA: Re-initialize machine vector.\n");
machvec_init("dig");
- swiotlb_init();
+ swiotlb_init(1);
dma_ops = &swiotlb_dma_ops;
#else
panic("Unable to find Intel IOMMU");
diff --git a/arch/ia64/kernel/perfmon.c b/arch/ia64/kernel/perfmon.c
index f1782705b1f7..402698b6689f 100644
--- a/arch/ia64/kernel/perfmon.c
+++ b/arch/ia64/kernel/perfmon.c
@@ -522,42 +522,37 @@ EXPORT_SYMBOL(pfm_sysctl);
static ctl_table pfm_ctl_table[]={
{
- .ctl_name = CTL_UNNUMBERED,
.procname = "debug",
.data = &pfm_sysctl.debug,
.maxlen = sizeof(int),
.mode = 0666,
- .proc_handler = &proc_dointvec,
+ .proc_handler = proc_dointvec,
},
{
- .ctl_name = CTL_UNNUMBERED,
.procname = "debug_ovfl",
.data = &pfm_sysctl.debug_ovfl,
.maxlen = sizeof(int),
.mode = 0666,
- .proc_handler = &proc_dointvec,
+ .proc_handler = proc_dointvec,
},
{
- .ctl_name = CTL_UNNUMBERED,
.procname = "fastctxsw",
.data = &pfm_sysctl.fastctxsw,
.maxlen = sizeof(int),
.mode = 0600,
- .proc_handler = &proc_dointvec,
+ .proc_handler = proc_dointvec,
},
{
- .ctl_name = CTL_UNNUMBERED,
.procname = "expert_mode",
.data = &pfm_sysctl.expert_mode,
.maxlen = sizeof(int),
.mode = 0600,
- .proc_handler = &proc_dointvec,
+ .proc_handler = proc_dointvec,
},
{}
};
static ctl_table pfm_sysctl_dir[] = {
{
- .ctl_name = CTL_UNNUMBERED,
.procname = "perfmon",
.mode = 0555,
.child = pfm_ctl_table,
@@ -566,7 +561,6 @@ static ctl_table pfm_sysctl_dir[] = {
};
static ctl_table pfm_sysctl_root[] = {
{
- .ctl_name = CTL_KERN,
.procname = "kernel",
.mode = 0555,
.child = pfm_sysctl_dir,
diff --git a/arch/ia64/kernel/time.c b/arch/ia64/kernel/time.c
index 4990495d7531..a35c661e5e89 100644
--- a/arch/ia64/kernel/time.c
+++ b/arch/ia64/kernel/time.c
@@ -473,7 +473,7 @@ void update_vsyscall_tz(void)
{
}
-void update_vsyscall(struct timespec *wall, struct clocksource *c)
+void update_vsyscall(struct timespec *wall, struct clocksource *c, u32 mult)
{
unsigned long flags;
@@ -481,7 +481,7 @@ void update_vsyscall(struct timespec *wall, struct clocksource *c)
/* copy fsyscall clock data */
fsyscall_gtod_data.clk_mask = c->mask;
- fsyscall_gtod_data.clk_mult = c->mult;
+ fsyscall_gtod_data.clk_mult = mult;
fsyscall_gtod_data.clk_shift = c->shift;
fsyscall_gtod_data.clk_fsys_mmio = c->fsys_mmio;
fsyscall_gtod_data.clk_cycle_last = c->cycle_last;
diff --git a/arch/ia64/kernel/unaligned.c b/arch/ia64/kernel/unaligned.c
index 6db08599ebbc..776dd40397e2 100644
--- a/arch/ia64/kernel/unaligned.c
+++ b/arch/ia64/kernel/unaligned.c
@@ -60,7 +60,6 @@ dump (const char *str, void *vp, size_t len)
*/
int no_unaligned_warning;
int unaligned_dump_stack;
-static int noprint_warning;
/*
* For M-unit:
@@ -1357,9 +1356,8 @@ ia64_handle_unaligned (unsigned long ifa, struct pt_regs *regs)
/* watch for command names containing %s */
printk(KERN_WARNING "%s", buf);
} else {
- if (no_unaligned_warning && !noprint_warning) {
- noprint_warning = 1;
- printk(KERN_WARNING "%s(%d) encountered an "
+ if (no_unaligned_warning) {
+ printk_once(KERN_WARNING "%s(%d) encountered an "
"unaligned exception which required\n"
"kernel assistance, which degrades "
"the performance of the application.\n"
diff --git a/arch/ia64/kvm/Makefile b/arch/ia64/kvm/Makefile
index 0bb99b732908..1089b3e918ac 100644
--- a/arch/ia64/kvm/Makefile
+++ b/arch/ia64/kvm/Makefile
@@ -49,7 +49,7 @@ EXTRA_CFLAGS += -Ivirt/kvm -Iarch/ia64/kvm/
EXTRA_AFLAGS += -Ivirt/kvm -Iarch/ia64/kvm/
common-objs = $(addprefix ../../../virt/kvm/, kvm_main.o ioapic.o \
- coalesced_mmio.o irq_comm.o)
+ coalesced_mmio.o irq_comm.o assigned-dev.o)
ifeq ($(CONFIG_IOMMU_API),y)
common-objs += $(addprefix ../../../virt/kvm/, iommu.o)
diff --git a/arch/ia64/kvm/kvm-ia64.c b/arch/ia64/kvm/kvm-ia64.c
index 0ad09f05efa9..5fdeec5fddcf 100644
--- a/arch/ia64/kvm/kvm-ia64.c
+++ b/arch/ia64/kvm/kvm-ia64.c
@@ -124,7 +124,7 @@ long ia64_pal_vp_create(u64 *vpd, u64 *host_iva, u64 *opt_handler)
static DEFINE_SPINLOCK(vp_lock);
-void kvm_arch_hardware_enable(void *garbage)
+int kvm_arch_hardware_enable(void *garbage)
{
long status;
long tmp_base;
@@ -137,7 +137,7 @@ void kvm_arch_hardware_enable(void *garbage)
slot = ia64_itr_entry(0x3, KVM_VMM_BASE, pte, KVM_VMM_SHIFT);
local_irq_restore(saved_psr);
if (slot < 0)
- return;
+ return -EINVAL;
spin_lock(&vp_lock);
status = ia64_pal_vp_init_env(kvm_vsa_base ?
@@ -145,7 +145,7 @@ void kvm_arch_hardware_enable(void *garbage)
__pa(kvm_vm_buffer), KVM_VM_BUFFER_BASE, &tmp_base);
if (status != 0) {
printk(KERN_WARNING"kvm: Failed to Enable VT Support!!!!\n");
- return ;
+ return -EINVAL;
}
if (!kvm_vsa_base) {
@@ -154,6 +154,8 @@ void kvm_arch_hardware_enable(void *garbage)
}
spin_unlock(&vp_lock);
ia64_ptr_entry(0x3, slot);
+
+ return 0;
}
void kvm_arch_hardware_disable(void *garbage)
@@ -851,8 +853,7 @@ static int kvm_vm_ioctl_get_irqchip(struct kvm *kvm,
r = 0;
switch (chip->chip_id) {
case KVM_IRQCHIP_IOAPIC:
- memcpy(&chip->chip.ioapic, ioapic_irqchip(kvm),
- sizeof(struct kvm_ioapic_state));
+ r = kvm_get_ioapic(kvm, &chip->chip.ioapic);
break;
default:
r = -EINVAL;
@@ -868,9 +869,7 @@ static int kvm_vm_ioctl_set_irqchip(struct kvm *kvm, struct kvm_irqchip *chip)
r = 0;
switch (chip->chip_id) {
case KVM_IRQCHIP_IOAPIC:
- memcpy(ioapic_irqchip(kvm),
- &chip->chip.ioapic,
- sizeof(struct kvm_ioapic_state));
+ r = kvm_set_ioapic(kvm, &chip->chip.ioapic);
break;
default:
r = -EINVAL;
@@ -944,7 +943,7 @@ long kvm_arch_vm_ioctl(struct file *filp,
{
struct kvm *kvm = filp->private_data;
void __user *argp = (void __user *)arg;
- int r = -EINVAL;
+ int r = -ENOTTY;
switch (ioctl) {
case KVM_SET_MEMORY_REGION: {
@@ -985,10 +984,8 @@ long kvm_arch_vm_ioctl(struct file *filp,
goto out;
if (irqchip_in_kernel(kvm)) {
__s32 status;
- mutex_lock(&kvm->irq_lock);
status = kvm_set_irq(kvm, KVM_USERSPACE_IRQ_SOURCE_ID,
irq_event.irq, irq_event.level);
- mutex_unlock(&kvm->irq_lock);
if (ioctl == KVM_IRQ_LINE_STATUS) {
irq_event.status = status;
if (copy_to_user(argp, &irq_event,
diff --git a/arch/ia64/mm/tlb.c b/arch/ia64/mm/tlb.c
index f426dc78d959..ee09d261f2e6 100644
--- a/arch/ia64/mm/tlb.c
+++ b/arch/ia64/mm/tlb.c
@@ -100,24 +100,36 @@ wrap_mmu_context (struct mm_struct *mm)
* this primitive it can be moved up to a spinaphore.h header.
*/
struct spinaphore {
- atomic_t cur;
+ unsigned long ticket;
+ unsigned long serve;
};
static inline void spinaphore_init(struct spinaphore *ss, int val)
{
- atomic_set(&ss->cur, val);
+ ss->ticket = 0;
+ ss->serve = val;
}
static inline void down_spin(struct spinaphore *ss)
{
- while (unlikely(!atomic_add_unless(&ss->cur, -1, 0)))
- while (atomic_read(&ss->cur) == 0)
- cpu_relax();
+ unsigned long t = ia64_fetchadd(1, &ss->ticket, acq), serve;
+
+ if (time_before(t, ss->serve))
+ return;
+
+ ia64_invala();
+
+ for (;;) {
+ asm volatile ("ld4.c.nc %0=[%1]" : "=r"(serve) : "r"(&ss->serve) : "memory");
+ if (time_before(t, serve))
+ return;
+ cpu_relax();
+ }
}
static inline void up_spin(struct spinaphore *ss)
{
- atomic_add(1, &ss->cur);
+ ia64_fetchadd(1, &ss->serve, rel);
}
static struct spinaphore ptcg_sem;
diff --git a/arch/ia64/pci/pci.c b/arch/ia64/pci/pci.c
index 7de76dd352fe..c0fca2c1c858 100644
--- a/arch/ia64/pci/pci.c
+++ b/arch/ia64/pci/pci.c
@@ -56,10 +56,13 @@ int raw_pci_read(unsigned int seg, unsigned int bus, unsigned int devfn,
if ((seg | reg) <= 255) {
addr = PCI_SAL_ADDRESS(seg, bus, devfn, reg);
mode = 0;
- } else {
+ } else if (sal_revision >= SAL_VERSION_CODE(3,2)) {
addr = PCI_SAL_EXT_ADDRESS(seg, bus, devfn, reg);
mode = 1;
+ } else {
+ return -EINVAL;
}
+
result = ia64_sal_pci_config_read(addr, mode, len, &data);
if (result != 0)
return -EINVAL;
@@ -80,9 +83,11 @@ int raw_pci_write(unsigned int seg, unsigned int bus, unsigned int devfn,
if ((seg | reg) <= 255) {
addr = PCI_SAL_ADDRESS(seg, bus, devfn, reg);
mode = 0;
- } else {
+ } else if (sal_revision >= SAL_VERSION_CODE(3,2)) {
addr = PCI_SAL_EXT_ADDRESS(seg, bus, devfn, reg);
mode = 1;
+ } else {
+ return -EINVAL;
}
result = ia64_sal_pci_config_write(addr, mode, len, value);
if (result != 0)
diff --git a/arch/ia64/sn/kernel/io_common.c b/arch/ia64/sn/kernel/io_common.c
index 25831c47c579..308e6595110e 100644
--- a/arch/ia64/sn/kernel/io_common.c
+++ b/arch/ia64/sn/kernel/io_common.c
@@ -119,7 +119,6 @@ sn_pcidev_info_get(struct pci_dev *dev)
* Additionally note that the struct sn_flush_device_war also has to be
* removed from arch/ia64/sn/include/xtalk/hubdev.h
*/
-static u8 war_implemented = 0;
static s64 sn_device_fixup_war(u64 nasid, u64 widget, int device,
struct sn_flush_device_common *common)
@@ -128,11 +127,8 @@ static s64 sn_device_fixup_war(u64 nasid, u64 widget, int device,
struct sn_flush_device_war *dev_entry;
struct ia64_sal_retval isrv = {0,0,0,0};
- if (!war_implemented) {
- printk(KERN_WARNING "PROM version < 4.50 -- implementing old "
- "PROM flush WAR\n");
- war_implemented = 1;
- }
+ printk_once(KERN_WARNING
+ "PROM version < 4.50 -- implementing old PROM flush WAR\n");
war_list = kzalloc(DEV_PER_WIDGET * sizeof(*war_list), GFP_KERNEL);
BUG_ON(!war_list);
diff --git a/arch/ia64/sn/kernel/sn2/sn_hwperf.c b/arch/ia64/sn/kernel/sn2/sn_hwperf.c
index 4c7e74790958..55ac3c4e11d2 100644
--- a/arch/ia64/sn/kernel/sn2/sn_hwperf.c
+++ b/arch/ia64/sn/kernel/sn2/sn_hwperf.c
@@ -786,17 +786,18 @@ sn_hwperf_ioctl(struct inode *in, struct file *fp, u32 op, unsigned long arg)
break;
case SN_HWPERF_GET_OBJ_NODE:
- if (a.sz != sizeof(u64) || a.arg < 0) {
+ i = a.arg;
+ if (a.sz != sizeof(u64) || i < 0) {
r = -EINVAL;
goto error;
}
if ((r = sn_hwperf_enum_objects(&nobj, &objs)) == 0) {
- if (a.arg >= nobj) {
+ if (i >= nobj) {
r = -EINVAL;
vfree(objs);
goto error;
}
- if (objs[(i = a.arg)].id != a.arg) {
+ if (objs[i].id != a.arg) {
for (i = 0; i < nobj; i++) {
if (objs[i].id == a.arg)
break;
generated by cgit v1.2.3 (git 2.39.0) at 2025-02-12 21:12:50 +0300