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-rw-r--r--arch/ia64/kernel/asm-offsets.c1
-rw-r--r--arch/ia64/kernel/crash.c12
-rw-r--r--arch/ia64/kernel/efi.c12
-rw-r--r--arch/ia64/kernel/fsys.S105
-rw-r--r--arch/ia64/kernel/iosapic.c8
-rw-r--r--arch/ia64/kernel/mca.c8
-rw-r--r--arch/ia64/kernel/mca_drv.c65
-rw-r--r--arch/ia64/kernel/msi_ia64.c6
-rw-r--r--arch/ia64/kernel/ptrace.c1
-rw-r--r--arch/ia64/kernel/setup.c26
-rw-r--r--arch/ia64/kernel/smpboot.c17
11 files changed, 206 insertions, 55 deletions
diff --git a/arch/ia64/kernel/asm-offsets.c b/arch/ia64/kernel/asm-offsets.c
index 75a2a2c1225..2236fabbb3c 100644
--- a/arch/ia64/kernel/asm-offsets.c
+++ b/arch/ia64/kernel/asm-offsets.c
@@ -35,6 +35,7 @@ void foo(void)
BLANK();
DEFINE(TI_FLAGS, offsetof(struct thread_info, flags));
+ DEFINE(TI_CPU, offsetof(struct thread_info, cpu));
DEFINE(TI_PRE_COUNT, offsetof(struct thread_info, preempt_count));
BLANK();
diff --git a/arch/ia64/kernel/crash.c b/arch/ia64/kernel/crash.c
index 5cdd2f5fa06..80a94e70782 100644
--- a/arch/ia64/kernel/crash.c
+++ b/arch/ia64/kernel/crash.c
@@ -21,9 +21,9 @@
#include <asm/mca.h>
int kdump_status[NR_CPUS];
-atomic_t kdump_cpu_freezed;
+static atomic_t kdump_cpu_frozen;
atomic_t kdump_in_progress;
-int kdump_on_init = 1;
+static int kdump_on_init = 1;
static inline Elf64_Word
*append_elf_note(Elf64_Word *buf, char *name, unsigned type, void *data,
@@ -86,7 +86,7 @@ kdump_wait_cpu_freeze(void)
int cpu_num = num_online_cpus() - 1;
int timeout = 1000;
while(timeout-- > 0) {
- if (atomic_read(&kdump_cpu_freezed) == cpu_num)
+ if (atomic_read(&kdump_cpu_frozen) == cpu_num)
return 0;
udelay(1000);
}
@@ -108,8 +108,8 @@ machine_crash_shutdown(struct pt_regs *pt)
kexec_disable_iosapic();
#ifdef CONFIG_SMP
kdump_smp_send_stop();
+ /* not all cpu response to IPI, send INIT to freeze them */
if (kdump_wait_cpu_freeze() && kdump_on_init) {
- //not all cpu response to IPI, send INIT to freeze them
kdump_smp_send_init();
}
#endif
@@ -136,7 +136,7 @@ kdump_cpu_freeze(struct unw_frame_info *info, void *arg)
cpuid = smp_processor_id();
crash_save_this_cpu();
current->thread.ksp = (__u64)info->sw - 16;
- atomic_inc(&kdump_cpu_freezed);
+ atomic_inc(&kdump_cpu_frozen);
kdump_status[cpuid] = 1;
mb();
#ifdef CONFIG_HOTPLUG_CPU
@@ -164,7 +164,7 @@ kdump_init_notifier(struct notifier_block *self, unsigned long val, void *data)
nd = (struct ia64_mca_notify_die *)args->err;
/* Reason code 1 means machine check rendezous*/
- if ((val == DIE_INIT_MONARCH_ENTER || DIE_INIT_SLAVE_ENTER) &&
+ if ((val == DIE_INIT_MONARCH_ENTER || val == DIE_INIT_SLAVE_ENTER) &&
nd->sos->rv_rc == 1)
return NOTIFY_DONE;
diff --git a/arch/ia64/kernel/efi.c b/arch/ia64/kernel/efi.c
index 4061593e5b1..f45f91d38ca 100644
--- a/arch/ia64/kernel/efi.c
+++ b/arch/ia64/kernel/efi.c
@@ -971,6 +971,11 @@ efi_memmap_init(unsigned long *s, unsigned long *e)
if (!is_memory_available(md))
continue;
+#ifdef CONFIG_CRASH_DUMP
+ /* saved_max_pfn should ignore max_addr= command line arg */
+ if (saved_max_pfn < (efi_md_end(md) >> PAGE_SHIFT))
+ saved_max_pfn = (efi_md_end(md) >> PAGE_SHIFT);
+#endif
/*
* Round ends inward to granule boundaries
* Give trimmings to uncached allocator
@@ -1010,11 +1015,6 @@ efi_memmap_init(unsigned long *s, unsigned long *e)
} else
ae = efi_md_end(md);
-#ifdef CONFIG_CRASH_DUMP
- /* saved_max_pfn should ignore max_addr= command line arg */
- if (saved_max_pfn < (ae >> PAGE_SHIFT))
- saved_max_pfn = (ae >> PAGE_SHIFT);
-#endif
/* keep within max_addr= and min_addr= command line arg */
as = max(as, min_addr);
ae = min(ae, max_addr);
@@ -1142,7 +1142,7 @@ efi_initialize_iomem_resources(struct resource *code_resource,
/* find a block of memory aligned to 64M exclude reserved regions
rsvd_regions are sorted
*/
-unsigned long
+unsigned long __init
kdump_find_rsvd_region (unsigned long size,
struct rsvd_region *r, int n)
{
diff --git a/arch/ia64/kernel/fsys.S b/arch/ia64/kernel/fsys.S
index 7a05b1cb2ad..8589e84a27c 100644
--- a/arch/ia64/kernel/fsys.S
+++ b/arch/ia64/kernel/fsys.S
@@ -10,6 +10,8 @@
* probably broke it along the way... ;-)
* 13-Jul-04 clameter Implement fsys_clock_gettime and revise fsys_gettimeofday to make
* it capable of using memory based clocks without falling back to C code.
+ * 08-Feb-07 Fenghua Yu Implement fsys_getcpu.
+ *
*/
#include <asm/asmmacro.h>
@@ -505,6 +507,59 @@ EX(.fail_efault, (p15) st8 [r34]=r3)
#endif
END(fsys_rt_sigprocmask)
+/*
+ * fsys_getcpu doesn't use the third parameter in this implementation. It reads
+ * current_thread_info()->cpu and corresponding node in cpu_to_node_map.
+ */
+ENTRY(fsys_getcpu)
+ .prologue
+ .altrp b6
+ .body
+ ;;
+ add r2=TI_FLAGS+IA64_TASK_SIZE,r16
+ tnat.nz p6,p0 = r32 // guard against NaT argument
+ add r3=TI_CPU+IA64_TASK_SIZE,r16
+ ;;
+ ld4 r3=[r3] // M r3 = thread_info->cpu
+ ld4 r2=[r2] // M r2 = thread_info->flags
+(p6) br.cond.spnt.few .fail_einval // B
+ ;;
+ tnat.nz p7,p0 = r33 // I guard against NaT argument
+(p7) br.cond.spnt.few .fail_einval // B
+#ifdef CONFIG_NUMA
+ movl r17=cpu_to_node_map
+ ;;
+EX(.fail_efault, probe.w.fault r32, 3) // M This takes 5 cycles
+EX(.fail_efault, probe.w.fault r33, 3) // M This takes 5 cycles
+ shladd r18=r3,1,r17
+ ;;
+ ld2 r20=[r18] // r20 = cpu_to_node_map[cpu]
+ and r2 = TIF_ALLWORK_MASK,r2
+ ;;
+ cmp.ne p8,p0=0,r2
+(p8) br.spnt.many fsys_fallback_syscall
+ ;;
+ ;;
+EX(.fail_efault, st4 [r32] = r3)
+EX(.fail_efault, st2 [r33] = r20)
+ mov r8=0
+ ;;
+#else
+EX(.fail_efault, probe.w.fault r32, 3) // M This takes 5 cycles
+EX(.fail_efault, probe.w.fault r33, 3) // M This takes 5 cycles
+ and r2 = TIF_ALLWORK_MASK,r2
+ ;;
+ cmp.ne p8,p0=0,r2
+(p8) br.spnt.many fsys_fallback_syscall
+ ;;
+EX(.fail_efault, st4 [r32] = r3)
+EX(.fail_efault, st2 [r33] = r0)
+ mov r8=0
+ ;;
+#endif
+ FSYS_RETURN
+END(fsys_getcpu)
+
ENTRY(fsys_fallback_syscall)
.prologue
.altrp b6
@@ -878,6 +933,56 @@ fsyscall_table:
data8 0 // timer_delete
data8 0 // clock_settime
data8 fsys_clock_gettime // clock_gettime
+ data8 0 // clock_getres // 1255
+ data8 0 // clock_nanosleep
+ data8 0 // fstatfs64
+ data8 0 // statfs64
+ data8 0 // mbind
+ data8 0 // get_mempolicy // 1260
+ data8 0 // set_mempolicy
+ data8 0 // mq_open
+ data8 0 // mq_unlink
+ data8 0 // mq_timedsend
+ data8 0 // mq_timedreceive // 1265
+ data8 0 // mq_notify
+ data8 0 // mq_getsetattr
+ data8 0 // kexec_load
+ data8 0 // vserver
+ data8 0 // waitid // 1270
+ data8 0 // add_key
+ data8 0 // request_key
+ data8 0 // keyctl
+ data8 0 // ioprio_set
+ data8 0 // ioprio_get // 1275
+ data8 0 // move_pages
+ data8 0 // inotify_init
+ data8 0 // inotify_add_watch
+ data8 0 // inotify_rm_watch
+ data8 0 // migrate_pages // 1280
+ data8 0 // openat
+ data8 0 // mkdirat
+ data8 0 // mknodat
+ data8 0 // fchownat
+ data8 0 // futimesat // 1285
+ data8 0 // newfstatat
+ data8 0 // unlinkat
+ data8 0 // renameat
+ data8 0 // linkat
+ data8 0 // symlinkat // 1290
+ data8 0 // readlinkat
+ data8 0 // fchmodat
+ data8 0 // faccessat
+ data8 0
+ data8 0 // 1295
+ data8 0 // unshare
+ data8 0 // splice
+ data8 0 // set_robust_list
+ data8 0 // get_robust_list
+ data8 0 // sync_file_range // 1300
+ data8 0 // tee
+ data8 0 // vmsplice
+ data8 0
+ data8 fsys_getcpu // getcpu // 1304
// fill in zeros for the remaining entries
.zero:
diff --git a/arch/ia64/kernel/iosapic.c b/arch/ia64/kernel/iosapic.c
index d6aab40c641..dcfbf3e7a9e 100644
--- a/arch/ia64/kernel/iosapic.c
+++ b/arch/ia64/kernel/iosapic.c
@@ -446,7 +446,7 @@ iosapic_end_level_irq (unsigned int irq)
#define iosapic_disable_level_irq mask_irq
#define iosapic_ack_level_irq nop
-struct hw_interrupt_type irq_type_iosapic_level = {
+struct irq_chip irq_type_iosapic_level = {
.name = "IO-SAPIC-level",
.startup = iosapic_startup_level_irq,
.shutdown = iosapic_shutdown_level_irq,
@@ -454,6 +454,8 @@ struct hw_interrupt_type irq_type_iosapic_level = {
.disable = iosapic_disable_level_irq,
.ack = iosapic_ack_level_irq,
.end = iosapic_end_level_irq,
+ .mask = mask_irq,
+ .unmask = unmask_irq,
.set_affinity = iosapic_set_affinity
};
@@ -493,7 +495,7 @@ iosapic_ack_edge_irq (unsigned int irq)
#define iosapic_disable_edge_irq nop
#define iosapic_end_edge_irq nop
-struct hw_interrupt_type irq_type_iosapic_edge = {
+struct irq_chip irq_type_iosapic_edge = {
.name = "IO-SAPIC-edge",
.startup = iosapic_startup_edge_irq,
.shutdown = iosapic_disable_edge_irq,
@@ -501,6 +503,8 @@ struct hw_interrupt_type irq_type_iosapic_edge = {
.disable = iosapic_disable_edge_irq,
.ack = iosapic_ack_edge_irq,
.end = iosapic_end_edge_irq,
+ .mask = mask_irq,
+ .unmask = unmask_irq,
.set_affinity = iosapic_set_affinity
};
diff --git a/arch/ia64/kernel/mca.c b/arch/ia64/kernel/mca.c
index a76add3e76a..491687f84fb 100644
--- a/arch/ia64/kernel/mca.c
+++ b/arch/ia64/kernel/mca.c
@@ -1192,8 +1192,6 @@ void
ia64_mca_handler(struct pt_regs *regs, struct switch_stack *sw,
struct ia64_sal_os_state *sos)
{
- pal_processor_state_info_t *psp = (pal_processor_state_info_t *)
- &sos->proc_state_param;
int recover, cpu = smp_processor_id();
struct task_struct *previous_current;
struct ia64_mca_notify_die nd =
@@ -1223,10 +1221,8 @@ ia64_mca_handler(struct pt_regs *regs, struct switch_stack *sw,
/* Get the MCA error record and log it */
ia64_mca_log_sal_error_record(SAL_INFO_TYPE_MCA);
- /* TLB error is only exist in this SAL error record */
- recover = (psp->tc && !(psp->cc || psp->bc || psp->rc || psp->uc))
- /* other error recovery */
- || (ia64_mca_ucmc_extension
+ /* MCA error recovery */
+ recover = (ia64_mca_ucmc_extension
&& ia64_mca_ucmc_extension(
IA64_LOG_CURR_BUFFER(SAL_INFO_TYPE_MCA),
sos));
diff --git a/arch/ia64/kernel/mca_drv.c b/arch/ia64/kernel/mca_drv.c
index afc1403799c..832cf1e647e 100644
--- a/arch/ia64/kernel/mca_drv.c
+++ b/arch/ia64/kernel/mca_drv.c
@@ -602,11 +602,40 @@ recover_from_platform_error(slidx_table_t *slidx, peidx_table_t *peidx,
default:
break;
}
+ } else if (psp->cc && !psp->bc) { /* Cache error */
+ status = recover_from_read_error(slidx, peidx, pbci, sos);
}
return status;
}
+/*
+ * recover_from_tlb_check
+ * @peidx: pointer of index of processor error section
+ *
+ * Return value:
+ * 1 on Success / 0 on Failure
+ */
+static int
+recover_from_tlb_check(peidx_table_t *peidx)
+{
+ sal_log_mod_error_info_t *smei;
+ pal_tlb_check_info_t *ptci;
+
+ smei = (sal_log_mod_error_info_t *)peidx_tlb_check(peidx, 0);
+ ptci = (pal_tlb_check_info_t *)&(smei->check_info);
+
+ /*
+ * Look for signature of a duplicate TLB DTC entry, which is
+ * a SW bug and always fatal.
+ */
+ if (ptci->op == PAL_TLB_CHECK_OP_PURGE
+ && !(ptci->itr || ptci->dtc || ptci->itc))
+ return fatal_mca("Duplicate TLB entry");
+
+ return mca_recovered("TLB check recovered");
+}
+
/**
* recover_from_processor_error
* @platform: whether there are some platform error section or not
@@ -618,13 +647,6 @@ recover_from_platform_error(slidx_table_t *slidx, peidx_table_t *peidx,
* Return value:
* 1 on Success / 0 on Failure
*/
-/*
- * Later we try to recover when below all conditions are satisfied.
- * 1. Only one processor error section is exist.
- * 2. BUS_CHECK is exist and the others are not exist.(Except TLB_CHECK)
- * 3. The entry of BUS_CHECK_INFO is 1.
- * 4. "External bus error" flag is set and the others are not set.
- */
static int
recover_from_processor_error(int platform, slidx_table_t *slidx,
@@ -652,38 +674,39 @@ recover_from_processor_error(int platform, slidx_table_t *slidx,
return fatal_mca("error not contained");
/*
+ * Look for recoverable TLB check
+ */
+ if (psp->tc && !(psp->cc || psp->bc || psp->rc || psp->uc))
+ return recover_from_tlb_check(peidx);
+
+ /*
* The cache check and bus check bits have four possible states
* cc bc
- * 0 0 Weird record, not recovered
- * 1 0 Cache error, not recovered
- * 0 1 I/O error, attempt recovery
* 1 1 Memory error, attempt recovery
+ * 1 0 Cache error, attempt recovery
+ * 0 1 I/O error, attempt recovery
+ * 0 0 Other error type, not recovered
*/
- if (psp->bc == 0 || pbci == NULL)
- return fatal_mca("No bus check");
+ if (psp->cc == 0 && (psp->bc == 0 || pbci == NULL))
+ return fatal_mca("No cache or bus check");
/*
- * Sorry, we cannot handle so many.
+ * Cannot handle more than one bus check.
*/
if (peidx_bus_check_num(peidx) > 1)
return fatal_mca("Too many bus checks");
- /*
- * Well, here is only one bus error.
- */
+
if (pbci->ib)
return fatal_mca("Internal Bus error");
- if (pbci->cc)
- return fatal_mca("Cache-cache error");
if (pbci->eb && pbci->bsi > 0)
return fatal_mca("External bus check fatal status");
/*
- * This is a local MCA and estimated as recoverble external bus error.
- * (e.g. a load from poisoned memory)
- * This means "there are some platform errors".
+ * This is a local MCA and estimated as a recoverble error.
*/
if (platform)
return recover_from_platform_error(slidx, peidx, pbci, sos);
+
/*
* On account of strange SAL error record, we cannot recover.
*/
diff --git a/arch/ia64/kernel/msi_ia64.c b/arch/ia64/kernel/msi_ia64.c
index e7220900ea1..c81080df70d 100644
--- a/arch/ia64/kernel/msi_ia64.c
+++ b/arch/ia64/kernel/msi_ia64.c
@@ -68,7 +68,7 @@ int ia64_setup_msi_irq(struct pci_dev *pdev, struct msi_desc *desc)
{
struct msi_msg msg;
unsigned long dest_phys_id;
- unsigned int irq, vector;
+ int irq, vector;
irq = create_irq();
if (irq < 0)
@@ -76,7 +76,7 @@ int ia64_setup_msi_irq(struct pci_dev *pdev, struct msi_desc *desc)
set_irq_msi(irq, desc);
dest_phys_id = cpu_physical_id(first_cpu(cpu_online_map));
- vector = irq;
+ vector = irq_to_vector(irq);
msg.address_hi = 0;
msg.address_lo =
@@ -110,7 +110,7 @@ static void ia64_ack_msi_irq(unsigned int irq)
static int ia64_msi_retrigger_irq(unsigned int irq)
{
- unsigned int vector = irq;
+ unsigned int vector = irq_to_vector(irq);
ia64_resend_irq(vector);
return 1;
diff --git a/arch/ia64/kernel/ptrace.c b/arch/ia64/kernel/ptrace.c
index 3f8918782e0..00f80324694 100644
--- a/arch/ia64/kernel/ptrace.c
+++ b/arch/ia64/kernel/ptrace.c
@@ -1573,6 +1573,7 @@ sys_ptrace (long request, pid_t pid, unsigned long addr, unsigned long data)
case PTRACE_DETACH:
/* detach a process that was attached. */
+ clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
ret = ptrace_detach(child, data);
goto out_tsk;
diff --git a/arch/ia64/kernel/setup.c b/arch/ia64/kernel/setup.c
index 7d6fe65c93f..dc7dd7648ec 100644
--- a/arch/ia64/kernel/setup.c
+++ b/arch/ia64/kernel/setup.c
@@ -91,8 +91,6 @@ static struct resource code_resource = {
.name = "Kernel code",
.flags = IORESOURCE_BUSY | IORESOURCE_MEM
};
-extern void efi_initialize_iomem_resources(struct resource *,
- struct resource *);
extern char _text[], _end[], _etext[];
unsigned long ia64_max_cacheline_size;
@@ -642,7 +640,7 @@ show_cpuinfo (struct seq_file *m, void *v)
"features : %s\n"
"cpu number : %lu\n"
"cpu regs : %u\n"
- "cpu MHz : %lu.%06lu\n"
+ "cpu MHz : %lu.%03lu\n"
"itc MHz : %lu.%06lu\n"
"BogoMIPS : %lu.%02lu\n",
cpunum, c->vendor, c->family, c->model,
@@ -694,12 +692,15 @@ struct seq_operations cpuinfo_op = {
.show = show_cpuinfo
};
-static char brandname[128];
+#define MAX_BRANDS 8
+static char brandname[MAX_BRANDS][128];
static char * __cpuinit
get_model_name(__u8 family, __u8 model)
{
+ static int overflow;
char brand[128];
+ int i;
memcpy(brand, "Unknown", 8);
if (ia64_pal_get_brand_info(brand)) {
@@ -711,12 +712,17 @@ get_model_name(__u8 family, __u8 model)
case 2: memcpy(brand, "Madison up to 9M cache", 23); break;
}
}
- if (brandname[0] == '\0')
- return strcpy(brandname, brand);
- else if (strcmp(brandname, brand) == 0)
- return brandname;
- else
- return kstrdup(brand, GFP_KERNEL);
+ for (i = 0; i < MAX_BRANDS; i++)
+ if (strcmp(brandname[i], brand) == 0)
+ return brandname[i];
+ for (i = 0; i < MAX_BRANDS; i++)
+ if (brandname[i][0] == '\0')
+ return strcpy(brandname[i], brand);
+ if (overflow++ == 0)
+ printk(KERN_ERR
+ "%s: Table overflow. Some processor model information will be missing\n",
+ __FUNCTION__);
+ return "Unknown";
}
static void __cpuinit
diff --git a/arch/ia64/kernel/smpboot.c b/arch/ia64/kernel/smpboot.c
index b21ddecea94..ff7df439da6 100644
--- a/arch/ia64/kernel/smpboot.c
+++ b/arch/ia64/kernel/smpboot.c
@@ -375,6 +375,7 @@ static void __devinit
smp_callin (void)
{
int cpuid, phys_id, itc_master;
+ struct cpuinfo_ia64 *last_cpuinfo, *this_cpuinfo;
extern void ia64_init_itm(void);
extern volatile int time_keeper_id;
@@ -424,7 +425,21 @@ smp_callin (void)
* Get our bogomips.
*/
ia64_init_itm();
- calibrate_delay();
+
+ /*
+ * Delay calibration can be skipped if new processor is identical to the
+ * previous processor.
+ */
+ last_cpuinfo = cpu_data(cpuid - 1);
+ this_cpuinfo = local_cpu_data;
+ if (last_cpuinfo->itc_freq != this_cpuinfo->itc_freq ||
+ last_cpuinfo->proc_freq != this_cpuinfo->proc_freq ||
+ last_cpuinfo->features != this_cpuinfo->features ||
+ last_cpuinfo->revision != this_cpuinfo->revision ||
+ last_cpuinfo->family != this_cpuinfo->family ||
+ last_cpuinfo->archrev != this_cpuinfo->archrev ||
+ last_cpuinfo->model != this_cpuinfo->model)
+ calibrate_delay();
local_cpu_data->loops_per_jiffy = loops_per_jiffy;
#ifdef CONFIG_IA32_SUPPORT
generated by cgit v1.2.3 (git 2.25.1) at 2024-09-30 02:16:00 +0000