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-rw-r--r--arch/ia64/kernel/acpi.c49
-rw-r--r--arch/ia64/kernel/entry.S14
-rw-r--r--arch/ia64/kernel/iosapic.c6
-rw-r--r--arch/ia64/kernel/irq.c13
-rw-r--r--arch/ia64/kernel/ivt.S1
-rw-r--r--arch/ia64/kernel/machvec.c19
-rw-r--r--arch/ia64/kernel/mca.c194
-rw-r--r--arch/ia64/kernel/mca_drv.c22
-rw-r--r--arch/ia64/kernel/mca_drv.h7
-rw-r--r--arch/ia64/kernel/mca_drv_asm.S13
-rw-r--r--arch/ia64/kernel/numa.c2
-rw-r--r--arch/ia64/kernel/patch.c8
-rw-r--r--arch/ia64/kernel/perfmon.c5
-rw-r--r--arch/ia64/kernel/setup.c61
-rw-r--r--arch/ia64/kernel/signal.c101
-rw-r--r--arch/ia64/kernel/smpboot.c221
-rw-r--r--arch/ia64/kernel/time.c9
-rw-r--r--arch/ia64/kernel/topology.c2
-rw-r--r--arch/ia64/kernel/vmlinux.lds.S60
19 files changed, 424 insertions, 383 deletions
diff --git a/arch/ia64/kernel/acpi.c b/arch/ia64/kernel/acpi.c
index ecd44bdc839..a4e218ce2ed 100644
--- a/arch/ia64/kernel/acpi.c
+++ b/arch/ia64/kernel/acpi.c
@@ -284,19 +284,24 @@ acpi_parse_plat_int_src(acpi_table_entry_header * header,
return 0;
}
+#ifdef CONFIG_HOTPLUG_CPU
unsigned int can_cpei_retarget(void)
{
extern int cpe_vector;
+ extern unsigned int force_cpei_retarget;
/*
* Only if CPEI is supported and the override flag
* is present, otherwise return that its re-targettable
* if we are in polling mode.
*/
- if (cpe_vector > 0 && !acpi_cpei_override)
- return 0;
- else
- return 1;
+ if (cpe_vector > 0) {
+ if (acpi_cpei_override || force_cpei_retarget)
+ return 1;
+ else
+ return 0;
+ }
+ return 1;
}
unsigned int is_cpu_cpei_target(unsigned int cpu)
@@ -315,6 +320,7 @@ void set_cpei_target_cpu(unsigned int cpu)
{
acpi_cpei_phys_cpuid = cpu_physical_id(cpu);
}
+#endif
unsigned int get_cpei_target_cpu(void)
{
@@ -414,6 +420,26 @@ int __devinitdata pxm_to_nid_map[MAX_PXM_DOMAINS];
int __initdata nid_to_pxm_map[MAX_NUMNODES];
static struct acpi_table_slit __initdata *slit_table;
+static int get_processor_proximity_domain(struct acpi_table_processor_affinity *pa)
+{
+ int pxm;
+
+ pxm = pa->proximity_domain;
+ if (ia64_platform_is("sn2"))
+ pxm += pa->reserved[0] << 8;
+ return pxm;
+}
+
+static int get_memory_proximity_domain(struct acpi_table_memory_affinity *ma)
+{
+ int pxm;
+
+ pxm = ma->proximity_domain;
+ if (ia64_platform_is("sn2"))
+ pxm += ma->reserved1[0] << 8;
+ return pxm;
+}
+
/*
* ACPI 2.0 SLIT (System Locality Information Table)
* http://devresource.hp.com/devresource/Docs/TechPapers/IA64/slit.pdf
@@ -437,13 +463,20 @@ void __init acpi_numa_slit_init(struct acpi_table_slit *slit)
void __init
acpi_numa_processor_affinity_init(struct acpi_table_processor_affinity *pa)
{
+ int pxm;
+
+ if (!pa->flags.enabled)
+ return;
+
+ pxm = get_processor_proximity_domain(pa);
+
/* record this node in proximity bitmap */
- pxm_bit_set(pa->proximity_domain);
+ pxm_bit_set(pxm);
node_cpuid[srat_num_cpus].phys_id =
(pa->apic_id << 8) | (pa->lsapic_eid);
/* nid should be overridden as logical node id later */
- node_cpuid[srat_num_cpus].nid = pa->proximity_domain;
+ node_cpuid[srat_num_cpus].nid = pxm;
srat_num_cpus++;
}
@@ -451,10 +484,10 @@ void __init
acpi_numa_memory_affinity_init(struct acpi_table_memory_affinity *ma)
{
unsigned long paddr, size;
- u8 pxm;
+ int pxm;
struct node_memblk_s *p, *q, *pend;
- pxm = ma->proximity_domain;
+ pxm = get_memory_proximity_domain(ma);
/* fill node memory chunk structure */
paddr = ma->base_addr_hi;
diff --git a/arch/ia64/kernel/entry.S b/arch/ia64/kernel/entry.S
index 930fdfca6dd..0e3eda99e54 100644
--- a/arch/ia64/kernel/entry.S
+++ b/arch/ia64/kernel/entry.S
@@ -1102,9 +1102,6 @@ skip_rbs_switch:
st8 [r2]=r8
st8 [r3]=r10
.work_pending:
- tbit.nz p6,p0=r31,TIF_SIGDELAYED // signal delayed from MCA/INIT/NMI/PMI context?
-(p6) br.cond.sptk.few .sigdelayed
- ;;
tbit.z p6,p0=r31,TIF_NEED_RESCHED // current_thread_info()->need_resched==0?
(p6) br.cond.sptk.few .notify
#ifdef CONFIG_PREEMPT
@@ -1131,17 +1128,6 @@ skip_rbs_switch:
(pLvSys)br.cond.sptk.few .work_pending_syscall_end
br.cond.sptk.many .work_processed_kernel // don't re-check
-// There is a delayed signal that was detected in MCA/INIT/NMI/PMI context where
-// it could not be delivered. Deliver it now. The signal might be for us and
-// may set TIF_SIGPENDING, so redrive ia64_leave_* after processing the delayed
-// signal.
-
-.sigdelayed:
- br.call.sptk.many rp=do_sigdelayed
- cmp.eq p6,p0=r0,r0 // p6 <- 1, always re-check
-(pLvSys)br.cond.sptk.few .work_pending_syscall_end
- br.cond.sptk.many .work_processed_kernel // re-check
-
.work_pending_syscall_end:
adds r2=PT(R8)+16,r12
adds r3=PT(R10)+16,r12
diff --git a/arch/ia64/kernel/iosapic.c b/arch/ia64/kernel/iosapic.c
index 574084f343f..8832c553230 100644
--- a/arch/ia64/kernel/iosapic.c
+++ b/arch/ia64/kernel/iosapic.c
@@ -631,6 +631,7 @@ get_target_cpu (unsigned int gsi, int vector)
{
#ifdef CONFIG_SMP
static int cpu = -1;
+ extern int cpe_vector;
/*
* In case of vector shared by multiple RTEs, all RTEs that
@@ -653,6 +654,11 @@ get_target_cpu (unsigned int gsi, int vector)
if (!cpu_online(smp_processor_id()))
return cpu_physical_id(smp_processor_id());
+#ifdef CONFIG_ACPI
+ if (cpe_vector > 0 && vector == IA64_CPEP_VECTOR)
+ return get_cpei_target_cpu();
+#endif
+
#ifdef CONFIG_NUMA
{
int num_cpus, cpu_index, iosapic_index, numa_cpu, i = 0;
diff --git a/arch/ia64/kernel/irq.c b/arch/ia64/kernel/irq.c
index d33244c3275..5ce908ef9c9 100644
--- a/arch/ia64/kernel/irq.c
+++ b/arch/ia64/kernel/irq.c
@@ -163,8 +163,19 @@ void fixup_irqs(void)
{
unsigned int irq;
extern void ia64_process_pending_intr(void);
+ extern void ia64_disable_timer(void);
+ extern volatile int time_keeper_id;
+
+ ia64_disable_timer();
+
+ /*
+ * Find a new timesync master
+ */
+ if (smp_processor_id() == time_keeper_id) {
+ time_keeper_id = first_cpu(cpu_online_map);
+ printk ("CPU %d is now promoted to time-keeper master\n", time_keeper_id);
+ }
- ia64_set_itv(1<<16);
/*
* Phase 1: Locate irq's bound to this cpu and
* relocate them for cpu removal.
diff --git a/arch/ia64/kernel/ivt.S b/arch/ia64/kernel/ivt.S
index dcd906fe574..829a43cab79 100644
--- a/arch/ia64/kernel/ivt.S
+++ b/arch/ia64/kernel/ivt.S
@@ -865,6 +865,7 @@ ENTRY(interrupt)
;;
SAVE_REST
;;
+ MCA_RECOVER_RANGE(interrupt)
alloc r14=ar.pfs,0,0,2,0 // must be first in an insn group
mov out0=cr.ivr // pass cr.ivr as first arg
add out1=16,sp // pass pointer to pt_regs as second arg
diff --git a/arch/ia64/kernel/machvec.c b/arch/ia64/kernel/machvec.c
index c3a04ee7f4f..4b0b71d5aef 100644
--- a/arch/ia64/kernel/machvec.c
+++ b/arch/ia64/kernel/machvec.c
@@ -14,7 +14,15 @@
struct ia64_machine_vector ia64_mv;
EXPORT_SYMBOL(ia64_mv);
-static struct ia64_machine_vector *
+static __initdata const char *mvec_name;
+static __init int setup_mvec(char *s)
+{
+ mvec_name = s;
+ return 0;
+}
+early_param("machvec", setup_mvec);
+
+static struct ia64_machine_vector * __init
lookup_machvec (const char *name)
{
extern struct ia64_machine_vector machvec_start[];
@@ -33,10 +41,13 @@ machvec_init (const char *name)
{
struct ia64_machine_vector *mv;
+ if (!name)
+ name = mvec_name ? mvec_name : acpi_get_sysname();
mv = lookup_machvec(name);
- if (!mv) {
- panic("generic kernel failed to find machine vector for platform %s!", name);
- }
+ if (!mv)
+ panic("generic kernel failed to find machine vector for"
+ " platform %s!", name);
+
ia64_mv = *mv;
printk(KERN_INFO "booting generic kernel on platform %s\n", name);
}
diff --git a/arch/ia64/kernel/mca.c b/arch/ia64/kernel/mca.c
index ee7eec9ee57..87ff7fe33cf 100644
--- a/arch/ia64/kernel/mca.c
+++ b/arch/ia64/kernel/mca.c
@@ -83,6 +83,7 @@
#include <asm/irq.h>
#include <asm/hw_irq.h>
+#include "mca_drv.h"
#include "entry.h"
#if defined(IA64_MCA_DEBUG_INFO)
@@ -133,7 +134,7 @@ static int cpe_poll_enabled = 1;
extern void salinfo_log_wakeup(int type, u8 *buffer, u64 size, int irqsafe);
-static int mca_init;
+static int mca_init __initdata;
static void inline
@@ -184,7 +185,7 @@ static ia64_state_log_t ia64_state_log[IA64_MAX_LOG_TYPES];
* Inputs : info_type (SAL_INFO_TYPE_{MCA,INIT,CMC,CPE})
* Outputs : None
*/
-static void
+static void __init
ia64_log_init(int sal_info_type)
{
u64 max_size = 0;
@@ -282,13 +283,53 @@ ia64_mca_log_sal_error_record(int sal_info_type)
}
/*
- * platform dependent error handling
+ * search_mca_table
+ * See if the MCA surfaced in an instruction range
+ * that has been tagged as recoverable.
+ *
+ * Inputs
+ * first First address range to check
+ * last Last address range to check
+ * ip Instruction pointer, address we are looking for
+ *
+ * Return value:
+ * 1 on Success (in the table)/ 0 on Failure (not in the table)
*/
-#ifndef PLATFORM_MCA_HANDLERS
+int
+search_mca_table (const struct mca_table_entry *first,
+ const struct mca_table_entry *last,
+ unsigned long ip)
+{
+ const struct mca_table_entry *curr;
+ u64 curr_start, curr_end;
+
+ curr = first;
+ while (curr <= last) {
+ curr_start = (u64) &curr->start_addr + curr->start_addr;
+ curr_end = (u64) &curr->end_addr + curr->end_addr;
+
+ if ((ip >= curr_start) && (ip <= curr_end)) {
+ return 1;
+ }
+ curr++;
+ }
+ return 0;
+}
+
+/* Given an address, look for it in the mca tables. */
+int mca_recover_range(unsigned long addr)
+{
+ extern struct mca_table_entry __start___mca_table[];
+ extern struct mca_table_entry __stop___mca_table[];
+
+ return search_mca_table(__start___mca_table, __stop___mca_table-1, addr);
+}
+EXPORT_SYMBOL_GPL(mca_recover_range);
#ifdef CONFIG_ACPI
int cpe_vector = -1;
+int ia64_cpe_irq = -1;
static irqreturn_t
ia64_mca_cpe_int_handler (int cpe_irq, void *arg, struct pt_regs *ptregs)
@@ -359,7 +400,7 @@ ia64_mca_cpe_int_handler (int cpe_irq, void *arg, struct pt_regs *ptregs)
* Outputs
* None
*/
-static void
+static void __init
ia64_mca_register_cpev (int cpev)
{
/* Register the CPE interrupt vector with SAL */
@@ -377,8 +418,6 @@ ia64_mca_register_cpev (int cpev)
}
#endif /* CONFIG_ACPI */
-#endif /* PLATFORM_MCA_HANDLERS */
-
/*
* ia64_mca_cmc_vector_setup
*
@@ -392,7 +431,7 @@ ia64_mca_register_cpev (int cpev)
* Outputs
* None
*/
-void
+void __cpuinit
ia64_mca_cmc_vector_setup (void)
{
cmcv_reg_t cmcv;
@@ -630,6 +669,32 @@ copy_reg(const u64 *fr, u64 fnat, u64 *tr, u64 *tnat)
*tnat |= (nat << tslot);
}
+/* Change the comm field on the MCA/INT task to include the pid that
+ * was interrupted, it makes for easier debugging. If that pid was 0
+ * (swapper or nested MCA/INIT) then use the start of the previous comm
+ * field suffixed with its cpu.
+ */
+
+static void
+ia64_mca_modify_comm(const task_t *previous_current)
+{
+ char *p, comm[sizeof(current->comm)];
+ if (previous_current->pid)
+ snprintf(comm, sizeof(comm), "%s %d",
+ current->comm, previous_current->pid);
+ else {
+ int l;
+ if ((p = strchr(previous_current->comm, ' ')))
+ l = p - previous_current->comm;
+ else
+ l = strlen(previous_current->comm);
+ snprintf(comm, sizeof(comm), "%s %*s %d",
+ current->comm, l, previous_current->comm,
+ task_thread_info(previous_current)->cpu);
+ }
+ memcpy(current->comm, comm, sizeof(current->comm));
+}
+
/* 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
@@ -648,7 +713,7 @@ ia64_mca_modify_original_stack(struct pt_regs *regs,
struct ia64_sal_os_state *sos,
const char *type)
{
- char *p, comm[sizeof(current->comm)];
+ char *p;
ia64_va va;
extern char ia64_leave_kernel[]; /* Need asm address, not function descriptor */
const pal_min_state_area_t *ms = sos->pal_min_state;
@@ -721,54 +786,43 @@ ia64_mca_modify_original_stack(struct pt_regs *regs,
/* Verify the previous stack state before we change it */
if (user_mode(regs)) {
msg = "occurred in user space";
- goto no_mod;
- }
- if (r13 != sos->prev_IA64_KR_CURRENT) {
- msg = "inconsistent previous current and r13";
- goto no_mod;
- }
- if ((r12 - r13) >= KERNEL_STACK_SIZE) {
- msg = "inconsistent r12 and r13";
- goto no_mod;
- }
- if ((ar_bspstore - r13) >= KERNEL_STACK_SIZE) {
- msg = "inconsistent ar.bspstore and r13";
- goto no_mod;
- }
- va.p = old_bspstore;
- if (va.f.reg < 5) {
- msg = "old_bspstore is in the wrong region";
- goto no_mod;
- }
- if ((ar_bsp - r13) >= KERNEL_STACK_SIZE) {
- msg = "inconsistent ar.bsp and r13";
- goto no_mod;
- }
- size += (ia64_rse_skip_regs(old_bspstore, slots) - old_bspstore) * 8;
- if (ar_bspstore + size > r12) {
- msg = "no room for blocked state";
+ /* previous_current is guaranteed to be valid when the task was
+ * in user space, so ...
+ */
+ ia64_mca_modify_comm(previous_current);
goto no_mod;
}
- /* Change the comm field on the MCA/INT task to include the pid that
- * was interrupted, it makes for easier debugging. If that pid was 0
- * (swapper or nested MCA/INIT) then use the start of the previous comm
- * field suffixed with its cpu.
- */
- if (previous_current->pid)
- snprintf(comm, sizeof(comm), "%s %d",
- current->comm, previous_current->pid);
- else {
- int l;
- if ((p = strchr(previous_current->comm, ' ')))
- l = p - previous_current->comm;
- else
- l = strlen(previous_current->comm);
- snprintf(comm, sizeof(comm), "%s %*s %d",
- current->comm, l, previous_current->comm,
- task_thread_info(previous_current)->cpu);
+ if (!mca_recover_range(ms->pmsa_iip)) {
+ if (r13 != sos->prev_IA64_KR_CURRENT) {
+ msg = "inconsistent previous current and r13";
+ goto no_mod;
+ }
+ if ((r12 - r13) >= KERNEL_STACK_SIZE) {
+ msg = "inconsistent r12 and r13";
+ goto no_mod;
+ }
+ if ((ar_bspstore - r13) >= KERNEL_STACK_SIZE) {
+ msg = "inconsistent ar.bspstore and r13";
+ goto no_mod;
+ }
+ va.p = old_bspstore;
+ if (va.f.reg < 5) {
+ msg = "old_bspstore is in the wrong region";
+ goto no_mod;
+ }
+ if ((ar_bsp - r13) >= KERNEL_STACK_SIZE) {
+ msg = "inconsistent ar.bsp and r13";
+ goto no_mod;
+ }
+ size += (ia64_rse_skip_regs(old_bspstore, slots) - old_bspstore) * 8;
+ if (ar_bspstore + size > r12) {
+ msg = "no room for blocked state";
+ goto no_mod;
+ }
}
- memcpy(current->comm, comm, sizeof(current->comm));
+
+ ia64_mca_modify_comm(previous_current);
/* Make the original task look blocked. First stack a struct pt_regs,
* describing the state at the time of interrupt. mca_asm.S built a
@@ -908,7 +962,7 @@ no_mod:
static void
ia64_wait_for_slaves(int monarch)
{
- int c, wait = 0;
+ int c, wait = 0, missing = 0;
for_each_online_cpu(c) {
if (c == monarch)
continue;
@@ -919,15 +973,32 @@ ia64_wait_for_slaves(int monarch)
}
}
if (!wait)
- return;
+ goto all_in;
for_each_online_cpu(c) {
if (c == monarch)
continue;
if (ia64_mc_info.imi_rendez_checkin[c] == IA64_MCA_RENDEZ_CHECKIN_NOTDONE) {
udelay(5*1000000); /* wait 5 seconds for slaves (arbitrary) */
+ if (ia64_mc_info.imi_rendez_checkin[c] == IA64_MCA_RENDEZ_CHECKIN_NOTDONE)
+ missing = 1;
break;
}
}
+ if (!missing)
+ goto all_in;
+ printk(KERN_INFO "OS MCA slave did not rendezvous on cpu");
+ for_each_online_cpu(c) {
+ if (c == monarch)
+ continue;
+ if (ia64_mc_info.imi_rendez_checkin[c] == IA64_MCA_RENDEZ_CHECKIN_NOTDONE)
+ printk(" %d", c);
+ }
+ printk("\n");
+ return;
+
+all_in:
+ printk(KERN_INFO "All OS MCA slaves have reached rendezvous\n");
+ return;
}
/*
@@ -953,6 +1024,10 @@ ia64_mca_handler(struct pt_regs *regs, struct switch_stack *sw,
task_t *previous_current;
oops_in_progress = 1; /* FIXME: make printk NMI/MCA/INIT safe */
+ console_loglevel = 15; /* make sure printks make it to console */
+ printk(KERN_INFO "Entered OS MCA handler. PSP=%lx cpu=%d monarch=%ld\n",
+ sos->proc_state_param, cpu, sos->monarch);
+
previous_current = ia64_mca_modify_original_stack(regs, sw, sos, "MCA");
monarch_cpu = cpu;
if (notify_die(DIE_MCA_MONARCH_ENTER, "MCA", regs, 0, 0, 0)
@@ -1416,7 +1491,7 @@ static struct irqaction mca_cpep_irqaction = {
* format most of the fields.
*/
-static void
+static void __cpuinit
format_mca_init_stack(void *mca_data, unsigned long offset,
const char *type, int cpu)
{
@@ -1440,15 +1515,17 @@ format_mca_init_stack(void *mca_data, unsigned long offset,
/* Do per-CPU MCA-related initialization. */
-void __devinit
+void __cpuinit
ia64_mca_cpu_init(void *cpu_data)
{
void *pal_vaddr;
+ static int first_time = 1;
- if (smp_processor_id() == 0) {
+ if (first_time) {
void *mca_data;
int cpu;
+ first_time = 0;
mca_data = alloc_bootmem(sizeof(struct ia64_mca_cpu)
* NR_CPUS + KERNEL_STACK_SIZE);
mca_data = (void *)(((unsigned long)mca_data +
@@ -1704,6 +1781,7 @@ ia64_mca_late_init(void)
desc = irq_descp(irq);
desc->status |= IRQ_PER_CPU;
setup_irq(irq, &mca_cpe_irqaction);
+ ia64_cpe_irq = irq;
}
ia64_mca_register_cpev(cpe_vector);
IA64_MCA_DEBUG("%s: CPEI/P setup and enabled.\n", __FUNCTION__);
diff --git a/arch/ia64/kernel/mca_drv.c b/arch/ia64/kernel/mca_drv.c
index e883d85906d..37c88eb5587 100644
--- a/arch/ia64/kernel/mca_drv.c
+++ b/arch/ia64/kernel/mca_drv.c
@@ -6,6 +6,7 @@
* Copyright (C) Hidetoshi Seto (seto.hidetoshi@jp.fujitsu.com)
* Copyright (C) 2005 Silicon Graphics, Inc
* Copyright (C) 2005 Keith Owens <kaos@sgi.com>
+ * Copyright (C) 2006 Russ Anderson <rja@sgi.com>
*/
#include <linux/config.h>
#include <linux/types.h>
@@ -121,11 +122,12 @@ mca_page_isolate(unsigned long paddr)
*/
void
-mca_handler_bh(unsigned long paddr)
+mca_handler_bh(unsigned long paddr, void *iip, unsigned long ipsr)
{
- printk(KERN_ERR
- "OS_MCA: process [pid: %d](%s) encounters MCA (paddr=%lx)\n",
- current->pid, current->comm, paddr);
+ printk(KERN_ERR "OS_MCA: process [cpu %d, pid: %d, uid: %d, "
+ "iip: %p, psr: 0x%lx,paddr: 0x%lx](%s) encounters MCA.\n",
+ raw_smp_processor_id(), current->pid, current->uid,
+ iip, ipsr, paddr, current->comm);
spin_lock(&mca_bh_lock);
switch (mca_page_isolate(paddr)) {
@@ -442,21 +444,26 @@ recover_from_read_error(slidx_table_t *slidx,
if (!peidx_bottom(peidx) || !(peidx_bottom(peidx)->valid.minstate))
return 0;
psr1 =(struct ia64_psr *)&(peidx_minstate_area(peidx)->pmsa_ipsr);
+ psr2 =(struct ia64_psr *)&(peidx_minstate_area(peidx)->pmsa_xpsr);
/*
* Check the privilege level of interrupted context.
* If it is user-mode, then terminate affected process.
*/
- if (psr1->cpl != 0) {
+
+ pmsa = sos->pal_min_state;
+ if (psr1->cpl != 0 ||
+ ((psr2->cpl != 0) && mca_recover_range(pmsa->pmsa_iip))) {
smei = peidx_bus_check(peidx, 0);
if (smei->valid.target_identifier) {
/*
* setup for resume to bottom half of MCA,
* "mca_handler_bhhook"
*/
- pmsa = sos->pal_min_state;
- /* pass to bhhook as 1st argument (gr8) */
+ /* pass to bhhook as argument (gr8, ...) */
pmsa->pmsa_gr[8-1] = smei->target_identifier;
+ pmsa->pmsa_gr[9-1] = pmsa->pmsa_iip;
+ pmsa->pmsa_gr[10-1] = pmsa->pmsa_ipsr;
/* set interrupted return address (but no use) */
pmsa->pmsa_br0 = pmsa->pmsa_iip;
/* change resume address to bottom half */
@@ -466,6 +473,7 @@ recover_from_read_error(slidx_table_t *slidx,
psr2 = (struct ia64_psr *)&pmsa->pmsa_ipsr;
psr2->cpl = 0;
psr2->ri = 0;
+ psr2->bn = 1;
psr2->i = 0;
return 1;
diff --git a/arch/ia64/kernel/mca_drv.h b/arch/ia64/kernel/mca_drv.h
index e2f6fa1e0ef..31a2e52bb16 100644
--- a/arch/ia64/kernel/mca_drv.h
+++ b/arch/ia64/kernel/mca_drv.h
@@ -111,3 +111,10 @@ typedef struct slidx_table {
slidx_foreach_entry(__pos, &((slidx)->sec)) { __count++; }\
__count; })
+struct mca_table_entry {
+ int start_addr; /* location-relative starting address of MCA recoverable range */
+ int end_addr; /* location-relative ending address of MCA recoverable range */
+};
+
+extern const struct mca_table_entry *search_mca_tables (unsigned long addr);
+extern int mca_recover_range(unsigned long);
diff --git a/arch/ia64/kernel/mca_drv_asm.S b/arch/ia64/kernel/mca_drv_asm.S
index 3f298ee4d00..e6a580d354b 100644
--- a/arch/ia64/kernel/mca_drv_asm.S
+++ b/arch/ia64/kernel/mca_drv_asm.S
@@ -14,15 +14,12 @@
GLOBAL_ENTRY(mca_handler_bhhook)
invala // clear RSE ?
- ;;
cover
;;
clrrrb
;;
- alloc r16=ar.pfs,0,2,1,0 // make a new frame
- ;;
+ alloc r16=ar.pfs,0,2,3,0 // make a new frame
mov ar.rsc=0
- ;;
mov r13=IA64_KR(CURRENT) // current task pointer
;;
mov r2=r13
@@ -30,7 +27,6 @@ GLOBAL_ENTRY(mca_handler_bhhook)
addl r22=IA64_RBS_OFFSET,r2
;;
mov ar.bspstore=r22
- ;;
addl sp=IA64_STK_OFFSET-IA64_PT_REGS_SIZE,r2
;;
adds r2=IA64_TASK_THREAD_ON_USTACK_OFFSET,r13
@@ -40,12 +36,12 @@ GLOBAL_ENTRY(mca_handler_bhhook)
movl loc1=mca_handler_bh // recovery C function
;;
mov out0=r8 // poisoned address
+ mov out1=r9 // iip
+ mov out2=r10 // psr
mov b6=loc1
;;
mov loc1=rp
- ;;
- ssm psr.i
- ;;
+ ssm psr.i | psr.ic
br.call.sptk.many rp=b6 // does not return ...
;;
mov ar.pfs=loc0
@@ -53,5 +49,4 @@ GLOBAL_ENTRY(mca_handler_bhhook)
;;
mov r8=r0
br.ret.sptk.many rp
- ;;
END(mca_handler_bhhook)
diff --git a/arch/ia64/kernel/numa.c b/arch/ia64/kernel/numa.c
index a68ce667809..0766493d4d0 100644
--- a/arch/ia64/kernel/numa.c
+++ b/arch/ia64/kernel/numa.c
@@ -25,7 +25,7 @@
#include <asm/processor.h>
#include <asm/smp.h>
-u8 cpu_to_node_map[NR_CPUS] __cacheline_aligned;
+u16 cpu_to_node_map[NR_CPUS] __cacheline_aligned;
EXPORT_SYMBOL(cpu_to_node_map);
cpumask_t node_to_cpu_mask[MAX_NUMNODES] __cacheline_aligned;
diff --git a/arch/ia64/kernel/patch.c b/arch/ia64/kernel/patch.c
index 6a4ac7d70b3..bc11bb096f5 100644
--- a/arch/ia64/kernel/patch.c
+++ b/arch/ia64/kernel/patch.c
@@ -115,7 +115,7 @@ ia64_patch_vtop (unsigned long start, unsigned long end)
ia64_srlz_i();
}
-void
+void __init
ia64_patch_mckinley_e9 (unsigned long start, unsigned long end)
{
static int first_time = 1;
@@ -149,7 +149,7 @@ ia64_patch_mckinley_e9 (unsigned long start, unsigned long end)
ia64_srlz_i();
}
-static void
+static void __init
patch_fsyscall_table (unsigned long start, unsigned long end)
{
extern unsigned long fsyscall_table[NR_syscalls];
@@ -166,7 +166,7 @@ patch_fsyscall_table (unsigned long start, unsigned long end)
ia64_srlz_i();
}
-static void
+static void __init
patch_brl_fsys_bubble_down (unsigned long start, unsigned long end)
{
extern char fsys_bubble_down[];
@@ -184,7 +184,7 @@ patch_brl_fsys_bubble_down (unsigned long start, unsigned long end)
ia64_srlz_i();
}
-void
+void __init
ia64_patch_gate (void)
{
# define START(name) ((unsigned long) __start_gate_##name##_patchlist)
diff --git a/arch/ia64/kernel/perfmon.c b/arch/ia64/kernel/perfmon.c
index 9c5194b385d..077f21216b6 100644
--- a/arch/ia64/kernel/perfmon.c
+++ b/arch/ia64/kernel/perfmon.c
@@ -6722,6 +6722,7 @@ __initcall(pfm_init);
void
pfm_init_percpu (void)
{
+ static int first_time=1;
/*
* make sure no measurement is active
* (may inherit programmed PMCs from EFI).
@@ -6734,8 +6735,10 @@ pfm_init_percpu (void)
*/
pfm_unfreeze_pmu();
- if (smp_processor_id() == 0)
+ if (first_time) {
register_percpu_irq(IA64_PERFMON_VECTOR, &perfmon_irqaction);
+ first_time=0;
+ }
ia64_setreg(_IA64_REG_CR_PMV, IA64_PERFMON_VECTOR);
ia64_srlz_d();
diff --git a/arch/ia64/kernel/setup.c b/arch/ia64/kernel/setup.c
index 3258e09278d..eb388e271b2 100644
--- a/arch/ia64/kernel/setup.c
+++ b/arch/ia64/kernel/setup.c
@@ -41,7 +41,6 @@
#include <linux/serial_core.h>
#include <linux/efi.h>
#include <linux/initrd.h>
-#include <linux/platform.h>
#include <linux/pm.h>
#include <linux/cpufreq.h>
@@ -131,8 +130,8 @@ EXPORT_SYMBOL(ia64_max_iommu_merge_mask);
/*
* We use a special marker for the end of memory and it uses the extra (+1) slot
*/
-struct rsvd_region rsvd_region[IA64_MAX_RSVD_REGIONS + 1];
-int num_rsvd_regions;
+struct rsvd_region rsvd_region[IA64_MAX_RSVD_REGIONS + 1] __initdata;
+int num_rsvd_regions __initdata;
/*
@@ -141,7 +140,7 @@ int num_rsvd_regions;
* caller-specified function is called with the memory ranges that remain after filtering.
* This routine does not assume the incoming segments are sorted.
*/
-int
+int __init
filter_rsvd_memory (unsigned long start, unsigned long end, void *arg)
{
unsigned long range_start, range_end, prev_start;
@@ -177,7 +176,7 @@ filter_rsvd_memory (unsigned long start, unsigned long end, void *arg)
return 0;
}
-static void
+static void __init
sort_regions (struct rsvd_region *rsvd_region, int max)
{
int j;
@@ -218,7 +217,7 @@ __initcall(register_memory);
* initrd, etc. There are currently %IA64_MAX_RSVD_REGIONS defined,
* see include/asm-ia64/meminit.h if you need to define more.
*/
-void
+void __init
reserve_memory (void)
{
int n = 0;
@@ -270,7 +269,7 @@ reserve_memory (void)
* Grab the initrd start and end from the boot parameter struct given us by
* the boot loader.
*/
-void
+void __init
find_initrd (void)
{
#ifdef CONFIG_BLK_DEV_INITRD
@@ -362,7 +361,7 @@ mark_bsp_online (void)
}
#ifdef CONFIG_SMP
-static void
+static void __init
check_for_logical_procs (void)
{
pal_logical_to_physical_t info;
@@ -389,6 +388,14 @@ check_for_logical_procs (void)
}
#endif
+static __initdata int nomca;
+static __init int setup_nomca(char *s)
+{
+ nomca = 1;
+ return 0;
+}
+early_param("nomca", setup_nomca);
+
void __init
setup_arch (char **cmdline_p)
{
@@ -402,35 +409,15 @@ setup_arch (char **cmdline_p)
efi_init();
io_port_init();
+ parse_early_param();
+
#ifdef CONFIG_IA64_GENERIC
- {
- const char *mvec_name = strstr (*cmdline_p, "machvec=");
- char str[64];
-
- if (mvec_name) {
- const char *end;
- size_t len;
-
- mvec_name += 8;
- end = strchr (mvec_name, ' ');
- if (end)
- len = end - mvec_name;
- else
- len = strlen (mvec_name);
- len = min(len, sizeof (str) - 1);
- strncpy (str, mvec_name, len);
- str[len] = '\0';
- mvec_name = str;
- } else
- mvec_name = acpi_get_sysname();
- machvec_init(mvec_name);
- }
+ machvec_init(NULL);
#endif
if (early_console_setup(*cmdline_p) == 0)
mark_bsp_online();
- parse_early_param();
#ifdef CONFIG_ACPI
/* Initialize the ACPI boot-time table parser */
acpi_table_init();
@@ -493,7 +480,7 @@ setup_arch (char **cmdline_p)
#endif
/* enable IA-64 Machine Check Abort Handling unless disabled */
- if (!strstr(saved_command_line, "nomca"))
+ if (!nomca)
ia64_mca_init();
platform_setup(cmdline_p);
@@ -623,7 +610,7 @@ struct seq_operations cpuinfo_op = {
.show = show_cpuinfo
};
-void
+static void __cpuinit
identify_cpu (struct cpuinfo_ia64 *c)
{
union {
@@ -700,7 +687,7 @@ setup_per_cpu_areas (void)
* In addition, the minimum of the i-cache stride sizes is calculated for
* "flush_icache_range()".
*/
-static void
+static void __cpuinit
get_max_cacheline_size (void)
{
unsigned long line_size, max = 1;
@@ -763,10 +750,10 @@ get_max_cacheline_size (void)
* cpu_init() initializes state that is per-CPU. This function acts
* as a 'CPU state barrier', nothing should get across.
*/
-void
+void __cpuinit
cpu_init (void)
{
- extern void __devinit ia64_mmu_init (void *);
+ extern void __cpuinit ia64_mmu_init (void *);
unsigned long num_phys_stacked;
pal_vm_info_2_u_t vmi;
unsigned int max_ctx;
@@ -894,7 +881,7 @@ void sched_cacheflush(void)
ia64_sal_cache_flush(3);
}
-void
+void __init
check_bugs (void)
{
ia64_patch_mckinley_e9((unsigned long) __start___mckinley_e9_bundles,
diff --git a/arch/ia64/kernel/signal.c b/arch/ia64/kernel/signal.c
index 463f6bb44d0..1d7903ee212 100644
--- a/arch/ia64/kernel/signal.c
+++ b/arch/ia64/kernel/signal.c
@@ -588,104 +588,3 @@ ia64_do_signal (sigset_t *oldset, struct sigscratch *scr, long in_syscall)
}
return 0;
}
-
-/* Set a delayed signal that was detected in MCA/INIT/NMI/PMI context where it
- * could not be delivered. It is important that the target process is not
- * allowed to do any more work in user space. Possible cases for the target
- * process:
- *
- * - It is sleeping and will wake up soon. Store the data in the current task,
- * the signal will be sent when the current task returns from the next
- * interrupt.
- *
- * - It is running in user context. Store the data in the current task, the
- * signal will be sent when the current task returns from the next interrupt.
- *
- * - It is running in kernel context on this or another cpu and will return to
- * user context. Store the data in the target task, the signal will be sent
- * to itself when the target task returns to user space.
- *
- * - It is running in kernel context on this cpu and will sleep before
- * returning to user context. Because this is also the current task, the
- * signal will not get delivered and the task could sleep indefinitely.
- * Store the data in the idle task for this cpu, the signal will be sent
- * after the idle task processes its next interrupt.
- *
- * To cover all cases, store the data in the target task, the current task and
- * the idle task on this cpu. Whatever happens, the signal will be delivered
- * to the target task before it can do any useful user space work. Multiple
- * deliveries have no unwanted side effects.
- *
- * Note: This code is executed in MCA/INIT/NMI/PMI context, with interrupts
- * disabled. It must not take any locks nor use kernel structures or services
- * that require locks.
- */
-
-/* To ensure that we get the right pid, check its start time. To avoid extra
- * include files in thread_info.h, convert the task start_time to unsigned long,
- * giving us a cycle time of > 580 years.
- */
-static inline unsigned long
-start_time_ul(const struct task_struct *t)
-{
- return t->start_time.tv_sec * NSEC_PER_SEC + t->start_time.tv_nsec;
-}
-
-void
-set_sigdelayed(pid_t pid, int signo, int code, void __user *addr)
-{
- struct task_struct *t;
- unsigned long start_time = 0;
- int i;
-
- for (i = 1; i <= 3; ++i) {
- switch (i) {
- case 1:
- t = find_task_by_pid(pid);
- if (t)
- start_time = start_time_ul(t);
- break;
- case 2:
- t = current;
- break;
- default:
- t = idle_task(smp_processor_id());
- break;
- }
-
- if (!t)
- return;
- task_thread_info(t)->sigdelayed.signo = signo;
- task_thread_info(t)->sigdelayed.code = code;
- task_thread_info(t)->sigdelayed.addr = addr;
- task_thread_info(t)->sigdelayed.start_time = start_time;
- task_thread_info(t)->sigdelayed.pid = pid;
- wmb();
- set_tsk_thread_flag(t, TIF_SIGDELAYED);
- }
-}
-
-/* Called from entry.S when it detects TIF_SIGDELAYED, a delayed signal that
- * was detected in MCA/INIT/NMI/PMI context where it could not be delivered.
- */
-
-void
-do_sigdelayed(void)
-{
- struct siginfo siginfo;
- pid_t pid;
- struct task_struct *t;
-
- clear_thread_flag(TIF_SIGDELAYED);
- memset(&siginfo, 0, sizeof(siginfo));
- siginfo.si_signo = current_thread_info()->sigdelayed.signo;
- siginfo.si_code = current_thread_info()->sigdelayed.code;
- siginfo.si_addr = current_thread_info()->sigdelayed.addr;
- pid = current_thread_info()->sigdelayed.pid;
- t = find_task_by_pid(pid);
- if (!t)
- return;
- if (current_thread_info()->sigdelayed.start_time != start_time_ul(t))
- return;
- force_sig_info(siginfo.si_signo, &siginfo, t);
-}
diff --git a/arch/ia64/kernel/smpboot.c b/arch/ia64/kernel/smpboot.c
index b681ef34a86..44e9547878a 100644
--- a/arch/ia64/kernel/smpboot.c
+++ b/arch/ia64/kernel/smpboot.c
@@ -70,6 +70,12 @@
#endif
#ifdef CONFIG_HOTPLUG_CPU
+#ifdef CONFIG_PERMIT_BSP_REMOVE
+#define bsp_remove_ok 1
+#else
+#define bsp_remove_ok 0
+#endif
+
/*
* Store all idle threads, this can be reused instead of creating
* a new thread. Also avoids complicated thread destroy functionality
@@ -104,7 +110,7 @@ struct sal_to_os_boot *sal_state_for_booting_cpu = &sal_boot_rendez_state[0];
/*
* ITC synchronization related stuff:
*/
-#define MASTER 0
+#define MASTER (0)
#define SLAVE (SMP_CACHE_BYTES/8)
#define NUM_ROUNDS 64 /* magic value */
@@ -151,6 +157,27 @@ char __initdata no_int_routing;
unsigned char smp_int_redirect; /* are INT and IPI redirectable by the chipset? */
+#ifdef CONFIG_FORCE_CPEI_RETARGET
+#define CPEI_OVERRIDE_DEFAULT (1)
+#else
+#define CPEI_OVERRIDE_DEFAULT (0)
+#endif
+
+unsigned int force_cpei_retarget = CPEI_OVERRIDE_DEFAULT;
+
+static int __init
+cmdl_force_cpei(char *str)
+{
+ int value=0;
+
+ get_option (&str, &value);
+ force_cpei_retarget = value;
+
+ return 1;
+}
+
+__setup("force_cpei=", cmdl_force_cpei);
+
static int __init
nointroute (char *str)
{
@@ -161,6 +188,27 @@ nointroute (char *str)
__setup("nointroute", nointroute);
+static void fix_b0_for_bsp(void)
+{
+#ifdef CONFIG_HOTPLUG_CPU
+ int cpuid;
+ static int fix_bsp_b0 = 1;
+
+ cpuid = smp_processor_id();
+
+ /*
+ * Cache the b0 value on the first AP that comes up
+ */
+ if (!(fix_bsp_b0 && cpuid))
+ return;
+
+ sal_boot_rendez_state[0].br[0] = sal_boot_rendez_state[cpuid].br[0];
+ printk ("Fixed BSP b0 value from CPU %d\n", cpuid);
+
+ fix_bsp_b0 = 0;
+#endif
+}
+
void
sync_master (void *arg)
{
@@ -327,8 +375,9 @@ smp_setup_percpu_timer (void)
static void __devinit
smp_callin (void)
{
- int cpuid, phys_id;
+ int cpuid, phys_id, itc_master;
extern void ia64_init_itm(void);
+ extern volatile int time_keeper_id;
#ifdef CONFIG_PERFMON
extern void pfm_init_percpu(void);
@@ -336,6 +385,7 @@ smp_callin (void)
cpuid = smp_processor_id();
phys_id = hard_smp_processor_id();
+ itc_master = time_keeper_id;
if (cpu_online(cpuid)) {
printk(KERN_ERR "huh, phys CPU#0x%x, CPU#0x%x already present??\n",
@@ -343,6 +393,8 @@ smp_callin (void)
BUG();
}
+ fix_b0_for_bsp();
+
lock_ipi_calllock();
cpu_set(cpuid, cpu_online_map);
unlock_ipi_calllock();
@@ -365,8 +417,8 @@ smp_callin (void)
* calls spin_unlock_bh(), which calls spin_unlock_bh(), which calls
* local_bh_enable(), which bugs out if irqs are not enabled...
*/
- Dprintk("Going to syncup ITC with BP.\n");
- ia64_sync_itc(0);
+ Dprintk("Going to syncup ITC with ITC Master.\n");
+ ia64_sync_itc(itc_master);
}
/*
@@ -572,32 +624,8 @@ void __devinit smp_prepare_boot_cpu(void)
per_cpu(cpu_state, smp_processor_id()) = CPU_ONLINE;
}
-/*
- * mt_info[] is a temporary store for all info returned by
- * PAL_LOGICAL_TO_PHYSICAL, to be copied into cpuinfo_ia64 when the
- * specific cpu comes.
- */
-static struct {
- __u32 socket_id;
- __u16 core_id;
- __u16 thread_id;
- __u16 proc_fixed_addr;
- __u8 valid;
-} mt_info[NR_CPUS] __devinitdata;
-
#ifdef CONFIG_HOTPLUG_CPU
static inline void
-remove_from_mtinfo(int cpu)
-{
- int i;
-
- for_each_cpu(i)
- if (mt_info[i].valid && mt_info[i].socket_id ==
- cpu_data(cpu)->socket_id)
- mt_info[i].valid = 0;
-}
-
-static inline void
clear_cpu_sibling_map(int cpu)
{
int i;
@@ -626,15 +654,50 @@ remove_siblinginfo(int cpu)
/* remove it from all sibling map's */
clear_cpu_sibling_map(cpu);
+}
+
+extern void fixup_irqs(void);
- /* if this cpu is the last in the core group, remove all its info
- * from mt_info structure
+int migrate_platform_irqs(unsigned int cpu)
+{
+ int new_cpei_cpu;
+ irq_desc_t *desc = NULL;
+ cpumask_t mask;
+ int retval = 0;
+
+ /*
+ * dont permit CPEI target to removed.
*/
- if (last)
- remove_from_mtinfo(cpu);
+ if (cpe_vector > 0 && is_cpu_cpei_target(cpu)) {
+ printk ("CPU (%d) is CPEI Target\n", cpu);
+ if (can_cpei_retarget()) {
+ /*
+ * Now re-target the CPEI to a different processor
+ */
+ new_cpei_cpu = any_online_cpu(cpu_online_map);
+ mask = cpumask_of_cpu(new_cpei_cpu);
+ set_cpei_target_cpu(new_cpei_cpu);
+ desc = irq_descp(ia64_cpe_irq);
+ /*
+ * Switch for now, immediatly, we need to do fake intr
+ * as other interrupts, but need to study CPEI behaviour with
+ * polling before making changes.
+ */
+ if (desc) {
+ desc->handler->disable(ia64_cpe_irq);
+ desc->handler->set_affinity(ia64_cpe_irq, mask);
+ desc->handler->enable(ia64_cpe_irq);
+ printk ("Re-targetting CPEI to cpu %d\n", new_cpei_cpu);
+ }
+ }
+ if (!desc) {
+ printk ("Unable to retarget CPEI, offline cpu [%d] failed\n", cpu);
+ retval = -EBUSY;
+ }
+ }
+ return retval;
}
-extern void fixup_irqs(void);
/* must be called with cpucontrol mutex held */
int __cpu_disable(void)
{
@@ -643,8 +706,17 @@ int __cpu_disable(void)
/*
* dont permit boot processor for now
*/
- if (cpu == 0)
- return -EBUSY;
+ if (cpu == 0 && !bsp_remove_ok) {
+ printk ("Your platform does not support removal of BSP\n");
+ return (-EBUSY);
+ }
+
+ cpu_clear(cpu, cpu_online_map);
+
+ if (migrate_platform_irqs(cpu)) {
+ cpu_set(cpu, cpu_online_map);
+ return (-EBUSY);
+ }
remove_siblinginfo(cpu);
cpu_clear(cpu, cpu_online_map);
@@ -776,40 +848,6 @@ init_smp_config(void)
ia64_sal_strerror(sal_ret));
}
-static inline int __devinit
-check_for_mtinfo_index(void)
-{
- int i;
-
- for_each_cpu(i)
- if (!mt_info[i].valid)
- return i;
-
- return -1;
-}
-
-/*
- * Search the mt_info to find out if this socket's cid/tid information is
- * cached or not. If the socket exists, fill in the core_id and thread_id
- * in cpuinfo
- */
-static int __devinit
-check_for_new_socket(__u16 logical_address, struct cpuinfo_ia64 *c)
-{
- int i;
- __u32 sid = c->socket_id;
-
- for_each_cpu(i) {
- if (mt_info[i].valid && mt_info[i].proc_fixed_addr == logical_address
- && mt_info[i].socket_id == sid) {
- c->core_id = mt_info[i].core_id;
- c->thread_id = mt_info[i].thread_id;
- return 1; /* not a new socket */
- }
- }
- return 0;
-}
-
/*
* identify_siblings(cpu) gets called from identify_cpu. This populates the
* information related to logical execution units in per_cpu_data structure.
@@ -819,14 +857,12 @@ identify_siblings(struct cpuinfo_ia64 *c)
{
s64 status;
u16 pltid;
- u64 proc_fixed_addr;
- int count, i;
pal_logical_to_physical_t info;
if (smp_num_cpucores == 1 && smp_num_siblings == 1)
return;
- if ((status = ia64_pal_logical_to_phys(0, &info)) != PAL_STATUS_SUCCESS) {
+ if ((status = ia64_pal_logical_to_phys(-1, &info)) != PAL_STATUS_SUCCESS) {
printk(KERN_ERR "ia64_pal_logical_to_phys failed with %ld\n",
status);
return;
@@ -835,47 +871,12 @@ identify_siblings(struct cpuinfo_ia64 *c)
printk(KERN_ERR "ia64_sal_pltid failed with %ld\n", status);
return;
}
- if ((status = ia64_pal_fixed_addr(&proc_fixed_addr)) != PAL_STATUS_SUCCESS) {
- printk(KERN_ERR "ia64_pal_fixed_addr failed with %ld\n", status);
- return;
- }
c->socket_id = (pltid << 8) | info.overview_ppid;
c->cores_per_socket = info.overview_cpp;
c->threads_per_core = info.overview_tpc;
- count = c->num_log = info.overview_num_log;
-
- /* If the thread and core id information is already cached, then
- * we will simply update cpu_info and return. Otherwise, we will
- * do the PAL calls and cache core and thread id's of all the siblings.
- */
- if (check_for_new_socket(proc_fixed_addr, c))
- return;
-
- for (i = 0; i < count; i++) {
- int index;
-
- if (i && (status = ia64_pal_logical_to_phys(i, &info))
- != PAL_STATUS_SUCCESS) {
- printk(KERN_ERR "ia64_pal_logical_to_phys failed"
- " with %ld\n", status);
- return;
- }
- if (info.log2_la == proc_fixed_addr) {
- c->core_id = info.log1_cid;
- c->thread_id = info.log1_tid;
- }
+ c->num_log = info.overview_num_log;
- index = check_for_mtinfo_index();
- /* We will not do the mt_info caching optimization in this case.
- */
- if (index < 0)
- continue;
-
- mt_info[index].valid = 1;
- mt_info[index].socket_id = c->socket_id;
- mt_info[index].core_id = info.log1_cid;
- mt_info[index].thread_id = info.log1_tid;
- mt_info[index].proc_fixed_addr = info.log2_la;
- }
+ c->core_id = info.log1_cid;
+ c->thread_id = info.log1_tid;
}
diff --git a/arch/ia64/kernel/time.c b/arch/ia64/kernel/time.c
index 307d01e15b2..ac167436e93 100644
--- a/arch/ia64/kernel/time.c
+++ b/arch/ia64/kernel/time.c
@@ -32,7 +32,7 @@
extern unsigned long wall_jiffies;
-#define TIME_KEEPER_ID 0 /* smp_processor_id() of time-keeper */
+volatile int time_keeper_id = 0; /* smp_processor_id() of time-keeper */
#ifdef CONFIG_IA64_DEBUG_IRQ
@@ -71,7 +71,7 @@ timer_interrupt (int irq, void *dev_id, struct pt_regs *regs)
new_itm += local_cpu_data->itm_delta;
- if (smp_processor_id() == TIME_KEEPER_ID) {
+ if (smp_processor_id() == time_keeper_id) {
/*
* Here we are in the timer irq handler. We have irqs locally
* disabled, but we don't know if the timer_bh is running on
@@ -236,6 +236,11 @@ static struct irqaction timer_irqaction = {
.name = "timer"
};
+void __devinit ia64_disable_timer(void)
+{
+ ia64_set_itv(1 << 16);
+}
+
void __init
time_init (void)
{
diff --git a/arch/ia64/kernel/topology.c b/arch/ia64/kernel/topology.c
index 6e5eea19fa6..3b6fd798c4d 100644
--- a/arch/ia64/kernel/topology.c
+++ b/arch/ia64/kernel/topology.c
@@ -36,7 +36,7 @@ int arch_register_cpu(int num)
parent = &sysfs_nodes[cpu_to_node(num)];
#endif /* CONFIG_NUMA */
-#ifdef CONFIG_ACPI
+#if defined (CONFIG_ACPI) && defined (CONFIG_HOTPLUG_CPU)
/*
* If CPEI cannot be re-targetted, and this is
* CPEI target, then dont create the control file
diff --git a/arch/ia64/kernel/vmlinux.lds.S b/arch/ia64/kernel/vmlinux.lds.S
index 73af6267d2e..0b9e56dd7f0 100644
--- a/arch/ia64/kernel/vmlinux.lds.S
+++ b/arch/ia64/kernel/vmlinux.lds.S
@@ -70,34 +70,9 @@ SECTIONS
__stop___ex_table = .;
}
- .data.patch.vtop : AT(ADDR(.data.patch.vtop) - LOAD_OFFSET)
- {
- __start___vtop_patchlist = .;
- *(.data.patch.vtop)
- __end___vtop_patchlist = .;
- }
-
- .data.patch.mckinley_e9 : AT(ADDR(.data.patch.mckinley_e9) - LOAD_OFFSET)
- {
- __start___mckinley_e9_bundles = .;
- *(.data.patch.mckinley_e9)
- __end___mckinley_e9_bundles = .;
- }
-
/* Global data */
_data = .;
-#if defined(CONFIG_IA64_GENERIC)
- /* Machine Vector */
- . = ALIGN(16);
- .machvec : AT(ADDR(.machvec) - LOAD_OFFSET)
- {
- machvec_start = .;
- *(.machvec)
- machvec_end = .;
- }
-#endif
-
/* Unwind info & table: */
. = ALIGN(8);
.IA_64.unwind_info : AT(ADDR(.IA_64.unwind_info) - LOAD_OFFSET)
@@ -154,6 +129,41 @@ SECTIONS
*(.initcall7.init)
__initcall_end = .;
}
+
+ /* MCA table */
+ . = ALIGN(16);
+ __mca_table : AT(ADDR(__mca_table) - LOAD_OFFSET)
+ {
+ __start___mca_table = .;
+ *(__mca_table)
+ __stop___mca_table = .;
+ }
+
+ .data.patch.vtop : AT(ADDR(.data.patch.vtop) - LOAD_OFFSET)
+ {
+ __start___vtop_patchlist = .;
+ *(.data.patch.vtop)
+ __end___vtop_patchlist = .;
+ }
+
+ .data.patch.mckinley_e9 : AT(ADDR(.data.patch.mckinley_e9) - LOAD_OFFSET)
+ {
+ __start___mckinley_e9_bundles = .;
+ *(.data.patch.mckinley_e9)
+ __end___mckinley_e9_bundles = .;
+ }
+
+#if defined(CONFIG_IA64_GENERIC)
+ /* Machine Vector */
+ . = ALIGN(16);
+ .machvec : AT(ADDR(.machvec) - LOAD_OFFSET)
+ {
+ machvec_start = .;
+ *(.machvec)
+ machvec_end = .;
+ }
+#endif
+
__con_initcall_start = .;
.con_initcall.init : AT(ADDR(.con_initcall.init) - LOAD_OFFSET)
{ *(.con_initcall.init) }
generated by cgit (git 2.34.1) at 2025-05-18 05:44:37 +0000