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Commit ac6a5f92 authored by Linus Torvalds's avatar Linus Torvalds
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Merge http://lia64.bkbits.net/to-linus-2.5 

into ppc970.osdl.org:/home/torvalds/v2.6/linux
parents 66cafce6 4e4da02c
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Showing with 1003 additions and 214 deletions
arch/ia64/Kconfig
View file @ ac6a5f92
......@@ -149,20 +149,6 @@ config IA64_L1_CACHE_SHIFT
default "6" if ITANIUM
# align cache-sensitive data to 64 bytes
config MCKINLEY_ASTEP_SPECIFIC
bool "McKinley A-step specific code"
depends on MCKINLEY
help
Select this option to build a kernel for an IA-64 McKinley prototype
system with any A-stepping CPU.
config MCKINLEY_A0_SPECIFIC
bool "McKinley A0/A1-step specific code"
depends on MCKINLEY_ASTEP_SPECIFIC
help
Select this option to build a kernel for an IA-64 McKinley prototype
system with an A0 or A1 stepping CPU.
config NUMA
bool "NUMA support"
depends on !IA64_HP_SIM
......
arch/ia64/configs/sn2_defconfig
View file @ ac6a5f92
......@@ -14,18 +14,22 @@ CONFIG_STANDALONE=y
#
CONFIG_SWAP=y
CONFIG_SYSVIPC=y
CONFIG_POSIX_MQUEUE=y
# CONFIG_BSD_PROCESS_ACCT is not set
CONFIG_SYSCTL=y
# CONFIG_AUDIT is not set
CONFIG_LOG_BUF_SHIFT=20
CONFIG_HOTPLUG=y
# CONFIG_IKCONFIG is not set
# CONFIG_EMBEDDED is not set
CONFIG_KALLSYMS=y
CONFIG_KALLSYMS_ALL=y
CONFIG_FUTEX=y
CONFIG_EPOLL=y
CONFIG_IOSCHED_NOOP=y
CONFIG_IOSCHED_AS=y
CONFIG_IOSCHED_DEADLINE=y
CONFIG_IOSCHED_CFQ=y
# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
#
......@@ -60,7 +64,6 @@ CONFIG_MCKINLEY=y
CONFIG_IA64_PAGE_SIZE_16KB=y
# CONFIG_IA64_PAGE_SIZE_64KB is not set
CONFIG_IA64_L1_CACHE_SHIFT=7
# CONFIG_MCKINLEY_ASTEP_SPECIFIC is not set
CONFIG_NUMA=y
CONFIG_VIRTUAL_MEM_MAP=y
CONFIG_DISCONTIGMEM=y
......@@ -70,12 +73,17 @@ CONFIG_IA64_SGI_SN_SIM=y
CONFIG_FORCE_MAX_ZONEORDER=18
CONFIG_SMP=y
CONFIG_NR_CPUS=512
# CONFIG_HOTPLUG_CPU is not set
# CONFIG_PREEMPT is not set
CONFIG_HAVE_DEC_LOCK=y
CONFIG_IA32_SUPPORT=y
CONFIG_COMPAT=y
CONFIG_PERFMON=y
CONFIG_IA64_PALINFO=y
#
# Firmware Drivers
#
CONFIG_EFI_VARS=y
CONFIG_BINFMT_ELF=y
# CONFIG_BINFMT_MISC is not set
......@@ -105,6 +113,7 @@ CONFIG_ACPI_SYSTEM=y
#
CONFIG_PCI=y
CONFIG_PCI_DOMAINS=y
# CONFIG_PCI_USE_VECTOR is not set
CONFIG_PCI_LEGACY_PROC=y
CONFIG_PCI_NAMES=y
......@@ -174,7 +183,6 @@ CONFIG_BLK_DEV_IDE=y
#
CONFIG_BLK_DEV_IDEDISK=y
# CONFIG_IDEDISK_MULTI_MODE is not set
# CONFIG_IDEDISK_STROKE is not set
CONFIG_BLK_DEV_IDECD=m
CONFIG_BLK_DEV_IDETAPE=m
CONFIG_BLK_DEV_IDEFLOPPY=y
......@@ -218,6 +226,7 @@ CONFIG_BLK_DEV_SGIIOC4=y
# CONFIG_BLK_DEV_SLC90E66 is not set
# CONFIG_BLK_DEV_TRM290 is not set
# CONFIG_BLK_DEV_VIA82CXXX is not set
# CONFIG_IDE_ARM is not set
CONFIG_BLK_DEV_IDEDMA=y
# CONFIG_IDEDMA_IVB is not set
CONFIG_IDEDMA_AUTO=y
......@@ -243,7 +252,6 @@ CONFIG_CHR_DEV_SG=m
# Some SCSI devices (e.g. CD jukebox) support multiple LUNs
#
# CONFIG_SCSI_MULTI_LUN is not set
CONFIG_SCSI_REPORT_LUNS=y
CONFIG_SCSI_CONSTANTS=y
# CONFIG_SCSI_LOGGING is not set
......@@ -281,7 +289,9 @@ CONFIG_SCSI_SATA=y
CONFIG_SCSI_SATA_SVW=m
CONFIG_SCSI_ATA_PIIX=m
CONFIG_SCSI_SATA_PROMISE=m
# CONFIG_SCSI_SATA_SX4 is not set
# CONFIG_SCSI_SATA_SIL is not set
# CONFIG_SCSI_SATA_SIS is not set
CONFIG_SCSI_SATA_VIA=m
CONFIG_SCSI_SATA_VITESSE=y
# CONFIG_SCSI_BUSLOGIC is not set
......@@ -298,6 +308,7 @@ CONFIG_SCSI_SYM53C8XX_DMA_ADDRESSING_MODE=1
CONFIG_SCSI_SYM53C8XX_DEFAULT_TAGS=16
CONFIG_SCSI_SYM53C8XX_MAX_TAGS=64
# CONFIG_SCSI_SYM53C8XX_IOMAPPED is not set
# CONFIG_SCSI_IPR is not set
# CONFIG_SCSI_QLOGIC_ISP is not set
# CONFIG_SCSI_QLOGIC_FC is not set
CONFIG_SCSI_QLOGIC_1280=y
......@@ -343,6 +354,7 @@ CONFIG_FUSION_CTL=m
#
# I2O device support
#
# CONFIG_I2O is not set
#
# Networking support
......@@ -389,8 +401,6 @@ CONFIG_INET6_AH=m
CONFIG_INET6_ESP=m
CONFIG_INET6_IPCOMP=m
CONFIG_IPV6_TUNNEL=m
# CONFIG_DECNET is not set
CONFIG_BRIDGE=m
CONFIG_NETFILTER=y
# CONFIG_NETFILTER_DEBUG is not set
CONFIG_BRIDGE_NETFILTER=y
......@@ -452,6 +462,7 @@ CONFIG_IP_NF_ARPFILTER=m
CONFIG_IP_NF_ARP_MANGLE=m
# CONFIG_IP_NF_COMPAT_IPCHAINS is not set
# CONFIG_IP_NF_COMPAT_IPFWADM is not set
# CONFIG_IP_NF_RAW is not set
#
# IPv6: Netfilter Configuration
......@@ -471,7 +482,9 @@ CONFIG_XFRM_USER=m
#
# CONFIG_IP_SCTP is not set
# CONFIG_ATM is not set
CONFIG_BRIDGE=m
CONFIG_VLAN_8021Q=m
# CONFIG_DECNET is not set
# CONFIG_LLC2 is not set
# CONFIG_IPX is not set
# CONFIG_ATALK is not set
......@@ -516,18 +529,25 @@ CONFIG_NET_CLS_POLICE=y
# Network testing
#
# CONFIG_NET_PKTGEN is not set
CONFIG_NETPOLL=y
# CONFIG_NETPOLL_RX is not set
# CONFIG_NETPOLL_TRAP is not set
CONFIG_NET_POLL_CONTROLLER=y
# CONFIG_HAMRADIO is not set
# CONFIG_IRDA is not set
# CONFIG_BT is not set
CONFIG_NETDEVICES=y
#
# ARCnet devices
#
# CONFIG_ARCNET is not set
CONFIG_DUMMY=m
CONFIG_BONDING=m
CONFIG_EQUALIZER=m
CONFIG_TUN=m
# CONFIG_ETHERTAP is not set
#
# ARCnet devices
#
# CONFIG_ARCNET is not set
#
# Ethernet (10 or 100Mbit)
#
......@@ -582,7 +602,6 @@ CONFIG_NS83820=m
CONFIG_HAMACHI=m
CONFIG_YELLOWFIN=m
CONFIG_R8169=m
CONFIG_SIS190=m
CONFIG_SK98LIN=m
CONFIG_TIGON3=y
......@@ -591,6 +610,22 @@ CONFIG_TIGON3=y
#
CONFIG_IXGB=m
# CONFIG_IXGB_NAPI is not set
# CONFIG_S2IO is not set
#
# Token Ring devices
#
# CONFIG_TR is not set
#
# Wireless LAN (non-hamradio)
#
# CONFIG_NET_RADIO is not set
#
# Wan interfaces
#
# CONFIG_WAN is not set
# CONFIG_FDDI is not set
# CONFIG_HIPPI is not set
CONFIG_PPP=m
......@@ -602,44 +637,10 @@ CONFIG_PPP_DEFLATE=m
# CONFIG_PPP_BSDCOMP is not set
# CONFIG_PPPOE is not set
# CONFIG_SLIP is not set
#
# Wireless LAN (non-hamradio)
#
# CONFIG_NET_RADIO is not set
#
# Token Ring devices
#
# CONFIG_TR is not set
CONFIG_NET_FC=y
# CONFIG_SHAPER is not set
CONFIG_NETCONSOLE=y
#
# Wan interfaces
#
# CONFIG_WAN is not set
#
# Amateur Radio support
#
# CONFIG_HAMRADIO is not set
#
# IrDA (infrared) support
#
# CONFIG_IRDA is not set
#
# Bluetooth support
#
# CONFIG_BT is not set
CONFIG_NETPOLL=y
# CONFIG_NETPOLL_RX is not set
# CONFIG_NETPOLL_TRAP is not set
CONFIG_NET_POLL_CONTROLLER=y
#
# ISDN subsystem
#
......@@ -703,6 +704,7 @@ CONFIG_VT_CONSOLE=y
CONFIG_HW_CONSOLE=y
CONFIG_SERIAL_NONSTANDARD=y
# CONFIG_ROCKETPORT is not set
# CONFIG_CYCLADES is not set
# CONFIG_SYNCLINK is not set
# CONFIG_SYNCLINKMP is not set
# CONFIG_N_HDLC is not set
......@@ -713,18 +715,11 @@ CONFIG_SGI_L1_SERIAL_CONSOLE=y
#
# Serial drivers
#
CONFIG_SERIAL_8250=y
CONFIG_SERIAL_8250_CONSOLE=y
CONFIG_SERIAL_8250_HCDP=y
CONFIG_SERIAL_8250_ACPI=y
CONFIG_SERIAL_8250_NR_UARTS=4
# CONFIG_SERIAL_8250_EXTENDED is not set
# CONFIG_SERIAL_8250 is not set
#
# Non-8250 serial port support
#
CONFIG_SERIAL_CORE=y
CONFIG_SERIAL_CORE_CONSOLE=y
CONFIG_UNIX98_PTYS=y
CONFIG_LEGACY_PTYS=y
CONFIG_LEGACY_PTY_COUNT=256
......@@ -740,7 +735,6 @@ CONFIG_LEGACY_PTY_COUNT=256
#
# CONFIG_WATCHDOG is not set
# CONFIG_HW_RANDOM is not set
# CONFIG_GEN_RTC is not set
CONFIG_EFI_RTC=y
# CONFIG_DTLK is not set
# CONFIG_R3964 is not set
......@@ -852,6 +846,7 @@ CONFIG_VFAT_FS=y
#
CONFIG_PROC_FS=y
CONFIG_PROC_KCORE=y
CONFIG_SYSFS=y
# CONFIG_DEVFS_FS is not set
# CONFIG_DEVPTS_FS_XATTR is not set
CONFIG_TMPFS=y
......@@ -897,7 +892,6 @@ CONFIG_SMB_FS=m
# CONFIG_CIFS is not set
# CONFIG_NCP_FS is not set
# CONFIG_CODA_FS is not set
# CONFIG_INTERMEZZO_FS is not set
# CONFIG_AFS_FS is not set
#
......@@ -968,6 +962,7 @@ CONFIG_NLS_DEFAULT="iso8859-1"
# Library routines
#
CONFIG_CRC32=y
# CONFIG_LIBCRC32C is not set
CONFIG_ZLIB_INFLATE=m
CONFIG_ZLIB_DEFLATE=m
......@@ -1019,4 +1014,5 @@ CONFIG_CRYPTO_DES=m
# CONFIG_CRYPTO_ARC4 is not set
CONFIG_CRYPTO_DEFLATE=m
# CONFIG_CRYPTO_MICHAEL_MIC is not set
# CONFIG_CRYPTO_CRC32C is not set
# CONFIG_CRYPTO_TEST is not set
arch/ia64/defconfig
View file @ ac6a5f92
......@@ -26,6 +26,7 @@ CONFIG_IKCONFIG=y
CONFIG_IKCONFIG_PROC=y
# CONFIG_EMBEDDED is not set
CONFIG_KALLSYMS=y
# CONFIG_KALLSYMS_ALL is not set
CONFIG_FUTEX=y
CONFIG_EPOLL=y
CONFIG_IOSCHED_NOOP=y
......@@ -66,7 +67,6 @@ CONFIG_MCKINLEY=y
CONFIG_IA64_PAGE_SIZE_16KB=y
# CONFIG_IA64_PAGE_SIZE_64KB is not set
CONFIG_IA64_L1_CACHE_SHIFT=7
# CONFIG_MCKINLEY_ASTEP_SPECIFIC is not set
# CONFIG_NUMA is not set
CONFIG_VIRTUAL_MEM_MAP=y
# CONFIG_IA64_CYCLONE is not set
......@@ -74,6 +74,7 @@ CONFIG_IOSAPIC=y
CONFIG_FORCE_MAX_ZONEORDER=18
CONFIG_SMP=y
CONFIG_NR_CPUS=16
# CONFIG_HOTPLUG_CPU is not set
# CONFIG_PREEMPT is not set
CONFIG_HAVE_DEC_LOCK=y
CONFIG_IA32_SUPPORT=y
......@@ -178,7 +179,6 @@ CONFIG_BLK_DEV_IDE=y
#
CONFIG_BLK_DEV_IDEDISK=y
CONFIG_IDEDISK_MULTI_MODE=y
# CONFIG_IDEDISK_STROKE is not set
CONFIG_BLK_DEV_IDECD=y
# CONFIG_BLK_DEV_IDETAPE is not set
CONFIG_BLK_DEV_IDEFLOPPY=m
......@@ -220,6 +220,7 @@ CONFIG_BLK_DEV_SIIMAGE=y
# CONFIG_BLK_DEV_SLC90E66 is not set
# CONFIG_BLK_DEV_TRM290 is not set
# CONFIG_BLK_DEV_VIA82CXXX is not set
# CONFIG_IDE_ARM is not set
CONFIG_BLK_DEV_IDEDMA=y
# CONFIG_IDEDMA_IVB is not set
CONFIG_IDEDMA_AUTO=y
......@@ -245,7 +246,6 @@ CONFIG_CHR_DEV_SG=y
# Some SCSI devices (e.g. CD jukebox) support multiple LUNs
#
CONFIG_SCSI_MULTI_LUN=y
CONFIG_SCSI_REPORT_LUNS=y
CONFIG_SCSI_CONSTANTS=y
CONFIG_SCSI_LOGGING=y
......@@ -282,6 +282,7 @@ CONFIG_SCSI_SYM53C8XX_DMA_ADDRESSING_MODE=1
CONFIG_SCSI_SYM53C8XX_DEFAULT_TAGS=16
CONFIG_SCSI_SYM53C8XX_MAX_TAGS=64
# CONFIG_SCSI_SYM53C8XX_IOMAPPED is not set
# CONFIG_SCSI_IPR is not set
# CONFIG_SCSI_PCI2000 is not set
# CONFIG_SCSI_PCI2220I is not set
# CONFIG_SCSI_QLOGIC_ISP is not set
......@@ -328,6 +329,7 @@ CONFIG_FUSION_MAX_SGE=40
#
# I2O device support
#
# CONFIG_I2O is not set
#
# Networking support
......@@ -573,7 +575,12 @@ CONFIG_LEGACY_PTY_COUNT=256
#
# IPMI
#
# CONFIG_IPMI_HANDLER is not set
CONFIG_IPMI_HANDLER=m
CONFIG_IPMI_PANIC_EVENT=y
CONFIG_IPMI_PANIC_STRING=y
CONFIG_IPMI_DEVICE_INTERFACE=m
CONFIG_IPMI_SI=m
CONFIG_IPMI_WATCHDOG=m
#
# Watchdog Cards
......@@ -651,6 +658,7 @@ CONFIG_I2C_ALGOBIT=y
# CONFIG_SENSORS_LM83 is not set
# CONFIG_SENSORS_LM85 is not set
# CONFIG_SENSORS_LM90 is not set
# CONFIG_SENSORS_MAX1619 is not set
# CONFIG_SENSORS_VIA686A is not set
# CONFIG_SENSORS_W83781D is not set
# CONFIG_SENSORS_W83L785TS is not set
......@@ -662,6 +670,7 @@ CONFIG_I2C_ALGOBIT=y
# CONFIG_SENSORS_EEPROM is not set
# CONFIG_SENSORS_PCF8574 is not set
# CONFIG_SENSORS_PCF8591 is not set
# CONFIG_SENSORS_RTC8564 is not set
# CONFIG_I2C_DEBUG_CORE is not set
# CONFIG_I2C_DEBUG_ALGO is not set
# CONFIG_I2C_DEBUG_BUS is not set
......@@ -688,6 +697,7 @@ CONFIG_FB=y
# CONFIG_FB_CIRRUS is not set
# CONFIG_FB_PM2 is not set
# CONFIG_FB_CYBER2000 is not set
# CONFIG_FB_ASILIANT is not set
# CONFIG_FB_IMSTT is not set
CONFIG_FB_RIVA=m
# CONFIG_FB_MATROX is not set
......@@ -852,6 +862,7 @@ CONFIG_USB_HIDDEV=y
# CONFIG_USB_KBTAB is not set
# CONFIG_USB_POWERMATE is not set
# CONFIG_USB_MTOUCH is not set
# CONFIG_USB_EGALAX is not set
# CONFIG_USB_XPAD is not set
# CONFIG_USB_ATI_REMOTE is not set
......@@ -901,6 +912,7 @@ CONFIG_USB_HIDDEV=y
# CONFIG_USB_LCD is not set
# CONFIG_USB_LED is not set
# CONFIG_USB_CYTHERM is not set
# CONFIG_USB_PHIDGETSERVO is not set
# CONFIG_USB_TEST is not set
#
......@@ -998,7 +1010,6 @@ CONFIG_RPCSEC_GSS_KRB5=y
# CONFIG_CIFS is not set
# CONFIG_NCP_FS is not set
# CONFIG_CODA_FS is not set
# CONFIG_INTERMEZZO_FS is not set
# CONFIG_AFS_FS is not set
#
......@@ -1083,7 +1094,7 @@ CONFIG_IA64_GRANULE_16MB=y
# CONFIG_IA64_GRANULE_64MB is not set
CONFIG_DEBUG_KERNEL=y
CONFIG_IA64_PRINT_HAZARDS=y
CONFIG_DISABLE_VHPT=y
# CONFIG_DISABLE_VHPT is not set
CONFIG_MAGIC_SYSRQ=y
# CONFIG_IA64_EARLY_PRINTK_VGA is not set
# CONFIG_DEBUG_SLAB is not set
......
arch/ia64/ia32/binfmt_elf32.c
View file @ ac6a5f92
......@@ -197,6 +197,10 @@ ia32_setup_arg_pages (struct linux_binprm *bprm, int executable_stack)
}
up_write(&current->mm->mmap_sem);
/* Can't do it in ia64_elf32_init(). Needs to be done before calls to
elf32_map() */
current->thread.ppl = ia32_init_pp_list();
return 0;
}
......
arch/ia64/ia32/ia32_entry.S
View file @ ac6a5f92
......@@ -371,7 +371,7 @@ ia32_syscall_table:
data8 sys_sched_get_priority_min /* 160 */
data8 sys32_sched_rr_get_interval
data8 compat_sys_nanosleep
data8 sys_mremap
data8 sys32_mremap
data8 sys_setresuid /* 16-bit version */
data8 sys32_getresuid16 /* 16-bit version */ /* 165 */
data8 sys_ni_syscall /* vm86 */
......
arch/ia64/ia32/ia32_support.c
View file @ ac6a5f92
......@@ -218,6 +218,18 @@ ia32_init (void)
ia32_exec_domain.signal_map = default_exec_domain.signal_map;
ia32_exec_domain.signal_invmap = default_exec_domain.signal_invmap;
register_exec_domain(&ia32_exec_domain);
#if PAGE_SHIFT > IA32_PAGE_SHIFT
{
extern kmem_cache_t *partial_page_cachep;
partial_page_cachep = kmem_cache_create("partial_page_cache",
sizeof(struct partial_page), 0, 0,
NULL, NULL);
if (!partial_page_cachep)
panic("Cannot create partial page SLAB cache");
}
#endif
return 0;
}
......
arch/ia64/ia32/ia32priv.h
View file @ ac6a5f92
#ifndef _ASM_IA64_IA32_H
#define _ASM_IA64_IA32_H
#ifndef _ASM_IA64_IA32_PRIV_H
#define _ASM_IA64_IA32_PRIV_H
#include <linux/config.h>
......@@ -9,6 +9,7 @@
#include <linux/binfmts.h>
#include <linux/compat.h>
#include <linux/rbtree.h>
#include <asm/processor.h>
......@@ -16,12 +17,39 @@
* 32 bit structures for IA32 support.
*/
#define IA32_PAGE_SHIFT 12 /* 4KB pages */
#define IA32_PAGE_SIZE (1UL << IA32_PAGE_SHIFT)
#define IA32_PAGE_MASK (~(IA32_PAGE_SIZE - 1))
#define IA32_PAGE_ALIGN(addr) (((addr) + IA32_PAGE_SIZE - 1) & IA32_PAGE_MASK)
#define IA32_CLOCKS_PER_SEC 100 /* Cast in stone for IA32 Linux */
/*
* partially mapped pages provide precise accounting of which 4k sub pages
* are mapped and which ones are not, thereby improving IA-32 compatibility.
*/
struct partial_page {
struct partial_page *next; /* linked list, sorted by address */
struct rb_node pp_rb;
/* 64K is the largest "normal" page supported by ia64 ABI. So 4K*32
* should suffice.*/
unsigned int bitmap;
unsigned int base;
};
struct partial_page_list {
struct partial_page *pp_head; /* list head, points to the lowest
* addressed partial page */
struct rb_root ppl_rb;
struct partial_page *pp_hint; /* pp_hint->next is the last
* accessed partial page */
atomic_t pp_count; /* reference count */
};
#if PAGE_SHIFT > IA32_PAGE_SHIFT
struct partial_page_list* ia32_init_pp_list (void);
#else
# define ia32_init_pp_list() 0
#endif
/* sigcontext.h */
/*
* As documented in the iBCS2 standard..
......@@ -528,4 +556,4 @@ extern int save_ia32_fpxstate (struct task_struct *tsk, struct ia32_user_fxsr_st
#endif /* !CONFIG_IA32_SUPPORT */
#endif /* _ASM_IA64_IA32_H */
#endif /* _ASM_IA64_IA32_PRIV_H */
arch/ia64/ia32/sys_ia32.c
View file @ ac6a5f92
......@@ -8,6 +8,7 @@
* Copyright (C) 1997 David S. Miller (davem@caip.rutgers.edu)
* Copyright (C) 2000-2003 Hewlett-Packard Co
* David Mosberger-Tang <davidm@hpl.hp.com>
* Copyright (C) 2004 Gordon Jin <gordon.jin@intel.com>
*
* These routines maintain argument size conversion between 32bit and 64bit
* environment.
......@@ -48,6 +49,7 @@
#include <linux/ipc.h>
#include <linux/compat.h>
#include <linux/vfs.h>
#include <linux/mman.h>
#include <asm/intrinsics.h>
#include <asm/semaphore.h>
......@@ -250,6 +252,508 @@ mmap_subpage (struct file *file, unsigned long start, unsigned long end, int pro
return ret;
}
/* SLAB cache for partial_page structures */
kmem_cache_t *partial_page_cachep;
/*
* init partial_page_list.
* return 0 means kmalloc fail.
*/
struct partial_page_list*
ia32_init_pp_list(void)
{
struct partial_page_list *p;
if ((p = kmalloc(sizeof(*p), GFP_KERNEL)) == NULL)
return p;
p->pp_head = 0;
p->ppl_rb = RB_ROOT;
p->pp_hint = 0;
atomic_set(&p->pp_count, 1);
return p;
}
/*
* Search for the partial page with @start in partial page list @ppl.
* If finds the partial page, return the found partial page.
* Else, return 0 and provide @pprev, @rb_link, @rb_parent to
* be used by later __ia32_insert_pp().
*/
static struct partial_page *
__ia32_find_pp(struct partial_page_list *ppl, unsigned int start,
struct partial_page **pprev, struct rb_node ***rb_link,
struct rb_node **rb_parent)
{
struct partial_page *pp;
struct rb_node **__rb_link, *__rb_parent, *rb_prev;
pp = ppl->pp_hint;
if (pp && pp->base == start)
return pp;
__rb_link = &ppl->ppl_rb.rb_node;
rb_prev = __rb_parent = NULL;
while (*__rb_link) {
__rb_parent = *__rb_link;
pp = rb_entry(__rb_parent, struct partial_page, pp_rb);
if (pp->base == start) {
ppl->pp_hint = pp;
return pp;
} else if (pp->base < start) {
rb_prev = __rb_parent;
__rb_link = &__rb_parent->rb_right;
} else {
__rb_link = &__rb_parent->rb_left;
}
}
*rb_link = __rb_link;
*rb_parent = __rb_parent;
*pprev = NULL;
if (rb_prev)
*pprev = rb_entry(rb_prev, struct partial_page, pp_rb);
return NULL;
}
/*
* insert @pp into @ppl.
*/
static void
__ia32_insert_pp(struct partial_page_list *ppl, struct partial_page *pp,
struct partial_page *prev, struct rb_node **rb_link,
struct rb_node *rb_parent)
{
/* link list */
if (prev) {
pp->next = prev->next;
prev->next = pp;
} else {
ppl->pp_head = pp;
if (rb_parent)
pp->next = rb_entry(rb_parent,
struct partial_page, pp_rb);
else
pp->next = NULL;
}
/* link rb */
rb_link_node(&pp->pp_rb, rb_parent, rb_link);
rb_insert_color(&pp->pp_rb, &ppl->ppl_rb);
ppl->pp_hint = pp;
}
/*
* delete @pp from partial page list @ppl.
*/
static void
__ia32_delete_pp(struct partial_page_list *ppl, struct partial_page *pp,
struct partial_page *prev)
{
if (prev) {
prev->next = pp->next;
if (ppl->pp_hint == pp)
ppl->pp_hint = prev;
} else {
ppl->pp_head = pp->next;
if (ppl->pp_hint == pp)
ppl->pp_hint = pp->next;
}
rb_erase(&pp->pp_rb, &ppl->ppl_rb);
kmem_cache_free(partial_page_cachep, pp);
}
static struct partial_page *
__pp_prev(struct partial_page *pp)
{
struct rb_node *prev = rb_prev(&pp->pp_rb);
if (prev)
return rb_entry(prev, struct partial_page, pp_rb);
else
return NULL;
}
/*
* Delete partial pages with address between @start and @end.
* @start and @end are page aligned.
*/
static void
__ia32_delete_pp_range(unsigned int start, unsigned int end)
{
struct partial_page *pp, *prev;
struct rb_node **rb_link, *rb_parent;
if (start >= end)
return;
pp = __ia32_find_pp(current->thread.ppl, start, &prev,
&rb_link, &rb_parent);
if (pp)
prev = __pp_prev(pp);
else {
if (prev)
pp = prev->next;
else
pp = current->thread.ppl->pp_head;
}
while (pp && pp->base < end) {
struct partial_page *tmp = pp->next;
__ia32_delete_pp(current->thread.ppl, pp, prev);
pp = tmp;
}
}
/*
* Set the range between @start and @end in bitmap.
* @start and @end should be IA32 page aligned and in the same IA64 page.
*/
static int
__ia32_set_pp(unsigned int start, unsigned int end, int flags)
{
struct partial_page *pp, *prev;
struct rb_node ** rb_link, *rb_parent;
unsigned int pstart, start_bit, end_bit, i;
pstart = PAGE_START(start);
start_bit = (start % PAGE_SIZE) / IA32_PAGE_SIZE;
end_bit = (end % PAGE_SIZE) / IA32_PAGE_SIZE;
if (end_bit == 0)
end_bit = PAGE_SIZE / IA32_PAGE_SIZE;
pp = __ia32_find_pp(current->thread.ppl, pstart, &prev,
&rb_link, &rb_parent);
if (pp) {
for (i = start_bit; i < end_bit; i++)
set_bit(i, &pp->bitmap);
/*
* Check: if this partial page has been set to a full page,
* then delete it.
*/
if (find_first_zero_bit(&pp->bitmap, sizeof(pp->bitmap)*8) >=
PAGE_SIZE/IA32_PAGE_SIZE) {
__ia32_delete_pp(current->thread.ppl, pp, __pp_prev(pp));
}
return 0;
}
/*
* MAP_FIXED may lead to overlapping mmap.
* In this case, the requested mmap area may already mmaped as a full
* page. So check vma before adding a new partial page.
*/
if (flags & MAP_FIXED) {
struct vm_area_struct *vma = find_vma(current->mm, pstart);
if (vma && vma->vm_start <= pstart)
return 0;
}
/* new a partial_page */
pp = kmem_cache_alloc(partial_page_cachep, GFP_KERNEL);
if (!pp)
return -ENOMEM;
pp->base = pstart;
pp->bitmap = 0;
for (i=start_bit; i<end_bit; i++)
set_bit(i, &(pp->bitmap));
pp->next = NULL;
__ia32_insert_pp(current->thread.ppl, pp, prev, rb_link, rb_parent);
return 0;
}
/*
* @start and @end should be IA32 page aligned, but don't need to be in the
* same IA64 page. Split @start and @end to make sure they're in the same IA64
* page, then call __ia32_set_pp().
*/
static void
ia32_set_pp(unsigned int start, unsigned int end, int flags)
{
down_write(&current->mm->mmap_sem);
if (flags & MAP_FIXED) {
/*
* MAP_FIXED may lead to overlapping mmap. When this happens,
* a series of complete IA64 pages results in deletion of
* old partial pages in that range.
*/
__ia32_delete_pp_range(PAGE_ALIGN(start), PAGE_START(end));
}
if (end < PAGE_ALIGN(start)) {
__ia32_set_pp(start, end, flags);
} else {
if (offset_in_page(start))
__ia32_set_pp(start, PAGE_ALIGN(start), flags);
if (offset_in_page(end))
__ia32_set_pp(PAGE_START(end), end, flags);
}
up_write(&current->mm->mmap_sem);
}
/*
* Unset the range between @start and @end in bitmap.
* @start and @end should be IA32 page aligned and in the same IA64 page.
* After doing that, if the bitmap is 0, then free the page and return 1,
* else return 0;
* If not find the partial page in the list, then
* If the vma exists, then the full page is set to a partial page;
* Else return -ENOMEM.
*/
static int
__ia32_unset_pp(unsigned int start, unsigned int end)
{
struct partial_page *pp, *prev;
struct rb_node ** rb_link, *rb_parent;
unsigned int pstart, start_bit, end_bit, i;
struct vm_area_struct *vma;
pstart = PAGE_START(start);
start_bit = (start % PAGE_SIZE) / IA32_PAGE_SIZE;
end_bit = (end % PAGE_SIZE) / IA32_PAGE_SIZE;
if (end_bit == 0)
end_bit = PAGE_SIZE / IA32_PAGE_SIZE;
pp = __ia32_find_pp(current->thread.ppl, pstart, &prev,
&rb_link, &rb_parent);
if (pp) {
for (i = start_bit; i < end_bit; i++)
clear_bit(i, &pp->bitmap);
if (pp->bitmap == 0) {
__ia32_delete_pp(current->thread.ppl, pp, __pp_prev(pp));
return 1;
}
return 0;
}
vma = find_vma(current->mm, pstart);
if (!vma || vma->vm_start > pstart) {
return -ENOMEM;
}
/* new a partial_page */
pp = kmem_cache_alloc(partial_page_cachep, GFP_KERNEL);
if (!pp)
return -ENOMEM;
pp->base = pstart;
pp->bitmap = 0;
for (i = 0; i < start_bit; i++)
set_bit(i, &(pp->bitmap));
for (i = end_bit; i < PAGE_SIZE / IA32_PAGE_SIZE; i++)
set_bit(i, &(pp->bitmap));
pp->next = NULL;
__ia32_insert_pp(current->thread.ppl, pp, prev, rb_link, rb_parent);
return 0;
}
/*
* Delete pp between PAGE_ALIGN(start) and PAGE_START(end) by calling
* __ia32_delete_pp_range(). Unset possible partial pages by calling
* __ia32_unset_pp().
* The returned value see __ia32_unset_pp().
*/
static int
ia32_unset_pp(unsigned int *startp, unsigned int *endp)
{
unsigned int start = *startp, end = *endp;
int ret = 0;
down_write(&current->mm->mmap_sem);
__ia32_delete_pp_range(PAGE_ALIGN(start), PAGE_START(end));
if (end < PAGE_ALIGN(start)) {
ret = __ia32_unset_pp(start, end);
if (ret == 1) {
*startp = PAGE_START(start);
*endp = PAGE_ALIGN(end);
}
if (ret == 0) {
/* to shortcut sys_munmap() in sys32_munmap() */
*startp = PAGE_START(start);
*endp = PAGE_START(end);
}
} else {
if (offset_in_page(start)) {
ret = __ia32_unset_pp(start, PAGE_ALIGN(start));
if (ret == 1)
*startp = PAGE_START(start);
if (ret == 0)
*startp = PAGE_ALIGN(start);
if (ret < 0)
goto out;
}
if (offset_in_page(end)) {
ret = __ia32_unset_pp(PAGE_START(end), end);
if (ret == 1)
*endp = PAGE_ALIGN(end);
if (ret == 0)
*endp = PAGE_START(end);
}
}
out:
up_write(&current->mm->mmap_sem);
return ret;
}
/*
* Compare the range between @start and @end with bitmap in partial page.
* @start and @end should be IA32 page aligned and in the same IA64 page.
*/
static int
__ia32_compare_pp(unsigned int start, unsigned int end)
{
struct partial_page *pp, *prev;
struct rb_node ** rb_link, *rb_parent;
unsigned int pstart, start_bit, end_bit, size;
unsigned int first_bit, next_zero_bit; /* the first range in bitmap */
pstart = PAGE_START(start);
pp = __ia32_find_pp(current->thread.ppl, pstart, &prev,
&rb_link, &rb_parent);
if (!pp)
return 1;
start_bit = (start % PAGE_SIZE) / IA32_PAGE_SIZE;
end_bit = (end % PAGE_SIZE) / IA32_PAGE_SIZE;
size = sizeof(pp->bitmap) * 8;
first_bit = find_first_bit(&pp->bitmap, size);
next_zero_bit = find_next_zero_bit(&pp->bitmap, size, first_bit);
if ((start_bit < first_bit) || (end_bit > next_zero_bit)) {
/* exceeds the first range in bitmap */
return -ENOMEM;
} else if ((start_bit == first_bit) && (end_bit == next_zero_bit)) {
first_bit = find_next_bit(&pp->bitmap, size, next_zero_bit);
if ((next_zero_bit < first_bit) && (first_bit < size))
return 1; /* has next range */
else
return 0; /* no next range */
} else
return 1;
}
/*
* @start and @end should be IA32 page aligned, but don't need to be in the
* same IA64 page. Split @start and @end to make sure they're in the same IA64
* page, then call __ia32_compare_pp().
*
* Take this as example: the range is the 1st and 2nd 4K page.
* Return 0 if they fit bitmap exactly, i.e. bitmap = 00000011;
* Return 1 if the range doesn't cover whole bitmap, e.g. bitmap = 00001111;
* Return -ENOMEM if the range exceeds the bitmap, e.g. bitmap = 00000001 or
* bitmap = 00000101.
*/
static int
ia32_compare_pp(unsigned int *startp, unsigned int *endp)
{
unsigned int start = *startp, end = *endp;
int retval = 0;
down_write(&current->mm->mmap_sem);
if (end < PAGE_ALIGN(start)) {
retval = __ia32_compare_pp(start, end);
if (retval == 0) {
*startp = PAGE_START(start);
*endp = PAGE_ALIGN(end);
}
} else {
if (offset_in_page(start)) {
retval = __ia32_compare_pp(start,
PAGE_ALIGN(start));
if (retval == 0)
*startp = PAGE_START(start);
if (retval < 0)
goto out;
}
if (offset_in_page(end)) {
retval = __ia32_compare_pp(PAGE_START(end), end);
if (retval == 0)
*endp = PAGE_ALIGN(end);
}
}
out:
up_write(&current->mm->mmap_sem);
return retval;
}
static void
__ia32_drop_pp_list(struct partial_page_list *ppl)
{
struct partial_page *pp = ppl->pp_head;
while (pp) {
struct partial_page *next = pp->next;
kmem_cache_free(partial_page_cachep, pp);
pp = next;
}
kfree(ppl);
}
void
ia32_drop_partial_page_list(struct task_struct *task)
{
struct partial_page_list* ppl = task->thread.ppl;
if (ppl && atomic_dec_and_test(&ppl->pp_count))
__ia32_drop_pp_list(ppl);
}
/*
* Copy current->thread.ppl to ppl (already initialized).
*/
static int
__ia32_copy_pp_list(struct partial_page_list *ppl)
{
struct partial_page *pp, *tmp, *prev;
struct rb_node **rb_link, *rb_parent;
ppl->pp_head = NULL;
ppl->pp_hint = NULL;
ppl->ppl_rb = RB_ROOT;
rb_link = &ppl->ppl_rb.rb_node;
rb_parent = NULL;
prev = NULL;
for (pp = current->thread.ppl->pp_head; pp; pp = pp->next) {
tmp = kmem_cache_alloc(partial_page_cachep, GFP_KERNEL);
if (!tmp)
return -ENOMEM;
*tmp = *pp;
__ia32_insert_pp(ppl, tmp, prev, rb_link, rb_parent);
prev = tmp;
rb_link = &tmp->pp_rb.rb_right;
rb_parent = &tmp->pp_rb;
}
return 0;
}
int
ia32_copy_partial_page_list(struct task_struct *p, unsigned long clone_flags)
{
int retval = 0;
if (clone_flags & CLONE_VM) {
atomic_inc(&current->thread.ppl->pp_count);
p->thread.ppl = current->thread.ppl;
} else {
p->thread.ppl = ia32_init_pp_list();
if (!p->thread.ppl)
return -ENOMEM;
down_write(&current->mm->mmap_sem);
{
retval = __ia32_copy_pp_list(p->thread.ppl);
}
up_write(&current->mm->mmap_sem);
}
return retval;
}
static unsigned long
emulate_mmap (struct file *file, unsigned long start, unsigned long len, int prot, int flags,
loff_t off)
......@@ -263,6 +767,7 @@ emulate_mmap (struct file *file, unsigned long start, unsigned long len, int pro
pend = PAGE_ALIGN(end);
if (flags & MAP_FIXED) {
ia32_set_pp((unsigned int)start, (unsigned int)end, flags);
if (start > pstart) {
if (flags & MAP_SHARED)
printk(KERN_INFO
......@@ -274,7 +779,7 @@ emulate_mmap (struct file *file, unsigned long start, unsigned long len, int pro
return ret;
pstart += PAGE_SIZE;
if (pstart >= pend)
return start; /* done */
goto out; /* done */
}
if (end < pend) {
if (flags & MAP_SHARED)
......@@ -287,7 +792,7 @@ emulate_mmap (struct file *file, unsigned long start, unsigned long len, int pro
return ret;
pend -= PAGE_SIZE;
if (pstart >= pend)
return start; /* done */
goto out; /* done */
}
} else {
/*
......@@ -341,6 +846,10 @@ emulate_mmap (struct file *file, unsigned long start, unsigned long len, int pro
if (!(prot & PROT_WRITE) && sys_mprotect(pstart, pend - pstart, prot) < 0)
return -EINVAL;
}
if (!(flags & MAP_FIXED))
ia32_set_pp((unsigned int)start, (unsigned int)end, flags);
out:
return start;
}
......@@ -478,11 +987,16 @@ sys32_munmap (unsigned int start, unsigned int len)
#if PAGE_SHIFT <= IA32_PAGE_SHIFT
ret = sys_munmap(start, end - start);
#else
if (OFFSET4K(start))
return -EINVAL;
end = IA32_PAGE_ALIGN(end);
if (start >= end)
return -EINVAL;
start = PAGE_ALIGN(start);
end = PAGE_START(end);
ret = ia32_unset_pp(&start, &end);
if (ret < 0)
return ret;
if (start >= end)
return 0;
......@@ -521,7 +1035,7 @@ mprotect_subpage (unsigned long address, int new_prot)
asmlinkage long
sys32_mprotect (unsigned int start, unsigned int len, int prot)
{
unsigned long end = start + len;
unsigned int end = start + len;
#if PAGE_SHIFT > IA32_PAGE_SHIFT
long retval = 0;
#endif
......@@ -538,6 +1052,11 @@ sys32_mprotect (unsigned int start, unsigned int len, int prot)
if (end < start)
return -EINVAL;
retval = ia32_compare_pp(&start, &end);
if (retval < 0)
return retval;
down(&ia32_mmap_sem);
{
if (offset_in_page(start)) {
......@@ -567,6 +1086,59 @@ sys32_mprotect (unsigned int start, unsigned int len, int prot)
#endif
}
asmlinkage long
sys32_mremap (unsigned int addr, unsigned int old_len, unsigned int new_len,
unsigned int flags, unsigned int new_addr)
{
long ret;
#if PAGE_SHIFT <= IA32_PAGE_SHIFT
ret = sys_mremap(addr, old_len, new_len, flags, new_addr);
#else
unsigned int old_end, new_end;
if (OFFSET4K(addr))
return -EINVAL;
old_len = IA32_PAGE_ALIGN(old_len);
new_len = IA32_PAGE_ALIGN(new_len);
old_end = addr + old_len;
new_end = addr + new_len;
if (!new_len)
return -EINVAL;
if ((flags & MREMAP_FIXED) && (OFFSET4K(new_addr)))
return -EINVAL;
if (old_len >= new_len) {
ret = sys32_munmap(addr + new_len, old_len - new_len);
if (ret && old_len != new_len)
return ret;
ret = addr;
if (!(flags & MREMAP_FIXED) || (new_addr == addr))
return ret;
old_len = new_len;
}
addr = PAGE_START(addr);
old_len = PAGE_ALIGN(old_end) - addr;
new_len = PAGE_ALIGN(new_end) - addr;
down(&ia32_mmap_sem);
{
ret = sys_mremap(addr, old_len, new_len, flags, new_addr);
}
up(&ia32_mmap_sem);
if ((ret >= 0) && (old_len < new_len)) {
/* mremap expanded successfully */
ia32_set_pp(old_end, new_end, flags);
}
#endif
return ret;
}
asmlinkage long
sys32_pipe (int *fd)
{
......
arch/ia64/kernel/entry.S
View file @ ac6a5f92
......@@ -179,17 +179,19 @@ GLOBAL_ENTRY(ia64_switch_to)
.body
adds r22=IA64_TASK_THREAD_KSP_OFFSET,r13
movl r25=init_task
mov r27=IA64_KR(CURRENT_STACK)
adds r21=IA64_TASK_THREAD_KSP_OFFSET,in0
dep r20=0,in0,61,3 // physical address of "current"
;;
st8 [r22]=sp // save kernel stack pointer of old task
shr.u r26=r20,IA64_GRANULE_SHIFT
adds r21=IA64_TASK_THREAD_KSP_OFFSET,in0
cmp.eq p7,p6=r25,in0
;;
/*
* If we've already mapped this task's page, we can skip doing it again.
*/
cmp.eq p7,p6=r26,r27
(p6) cmp.eq p7,p6=r26,r27
(p6) br.cond.dpnt .map
;;
.done:
......
arch/ia64/kernel/head.S
View file @ ac6a5f92
......@@ -154,6 +154,10 @@ start_ap:
#endif
;;
tpa r3=r2 // r3 == phys addr of task struct
;;
shr.u r16=r3,IA64_GRANULE_SHIFT
(isBP) br.cond.dpnt .load_current // BP stack is on region 5 --- no need to map it
// load mapping for stack (virtaddr in r2, physaddr in r3)
rsm psr.ic
movl r17=PAGE_KERNEL
......@@ -165,7 +169,6 @@ start_ap:
dep r2=-1,r3,61,3 // IMVA of task
;;
mov r17=rr[r2]
shr.u r16=r3,IA64_GRANULE_SHIFT
;;
dep r17=0,r17,8,24
;;
......@@ -180,6 +183,7 @@ start_ap:
srlz.d
;;
.load_current:
// load the "current" pointer (r13) and ar.k6 with the current task
mov IA64_KR(CURRENT)=r2 // virtual address
mov IA64_KR(CURRENT_STACK)=r16
......
arch/ia64/kernel/iosapic.c
View file @ ac6a5f92
......@@ -100,7 +100,6 @@
#endif
static spinlock_t iosapic_lock = SPIN_LOCK_UNLOCKED;
extern cpumask_t __cacheline_aligned pending_irq_cpumask[NR_IRQS];
/* These tables map IA-64 vectors to the IOSAPIC pin that generates this vector. */
......@@ -335,21 +334,6 @@ iosapic_set_affinity (unsigned int irq, cpumask_t mask)
#endif
}
static inline void move_irq(int irq)
{
/* note - we hold desc->lock */
cpumask_t tmp;
irq_desc_t *desc = irq_descp(irq);
if (!cpus_empty(pending_irq_cpumask[irq])) {
cpus_and(tmp, pending_irq_cpumask[irq], cpu_online_map);
if (unlikely(!cpus_empty(tmp))) {
desc->handler->set_affinity(irq, pending_irq_cpumask[irq]);
}
cpus_clear(pending_irq_cpumask[irq]);
}
}
/*
* Handlers for level-triggered interrupts.
*/
......
arch/ia64/kernel/irq.c
View file @ ac6a5f92
......@@ -1018,6 +1018,22 @@ static int irq_affinity_write_proc (struct file *file, const char *buffer,
return full_count;
}
void move_irq(int irq)
{
/* note - we hold desc->lock */
cpumask_t tmp;
irq_desc_t *desc = irq_descp(irq);
if (!cpus_empty(pending_irq_cpumask[irq])) {
cpus_and(tmp, pending_irq_cpumask[irq], cpu_online_map);
if (unlikely(!cpus_empty(tmp))) {
desc->handler->set_affinity(irq, pending_irq_cpumask[irq]);
}
cpus_clear(pending_irq_cpumask[irq]);
}
}
#endif /* CONFIG_SMP */
#ifdef CONFIG_HOTPLUG_CPU
......
arch/ia64/kernel/mca.c
View file @ ac6a5f92
......@@ -108,6 +108,7 @@ struct ia64_mca_tlb_info ia64_mca_tlb_list[NR_CPUS];
#define MAX_CPE_POLL_INTERVAL (15*60*HZ) /* 15 minutes */
#define MIN_CPE_POLL_INTERVAL (2*60*HZ) /* 2 minutes */
#define CMC_POLL_INTERVAL (1*60*HZ) /* 1 minute */
#define CPE_HISTORY_LENGTH 5
#define CMC_HISTORY_LENGTH 5
static struct timer_list cpe_poll_timer;
......@@ -127,6 +128,8 @@ static int cmc_polling_enabled = 1;
*/
static int cpe_poll_enabled = 1;
static int cpe_vector = -1;
extern void salinfo_log_wakeup(int type, u8 *buffer, u64 size, int irqsafe);
/*
......@@ -267,20 +270,65 @@ ia64_mca_log_sal_error_record(int sal_info_type)
*/
#ifndef PLATFORM_MCA_HANDLERS
#ifdef CONFIG_ACPI
static irqreturn_t
ia64_mca_cpe_int_handler (int cpe_irq, void *arg, struct pt_regs *ptregs)
{
IA64_MCA_DEBUG("%s: received interrupt. CPU:%d vector = %#x\n",
__FUNCTION__, smp_processor_id(), cpe_irq);
static unsigned long cpe_history[CPE_HISTORY_LENGTH];
static int index;
static spinlock_t cpe_history_lock = SPIN_LOCK_UNLOCKED;
IA64_MCA_DEBUG("%s: received interrupt vector = %#x on CPU %d\n",
__FUNCTION__, cpe_irq, smp_processor_id());
/* SAL spec states this should run w/ interrupts enabled */
local_irq_enable();
/* Get the CMC error record and log it */
/* Get the CPE error record and log it */
ia64_mca_log_sal_error_record(SAL_INFO_TYPE_CPE);
spin_lock(&cpe_history_lock);
if (!cpe_poll_enabled && cpe_vector >= 0) {
int i, count = 1; /* we know 1 happened now */
unsigned long now = jiffies;
for (i = 0; i < CPE_HISTORY_LENGTH; i++) {
if (now - cpe_history[i] <= HZ)
count++;
}
IA64_MCA_DEBUG(KERN_INFO "CPE threshold %d/%d\n", count, CPE_HISTORY_LENGTH);
if (count >= CPE_HISTORY_LENGTH) {
cpe_poll_enabled = 1;
spin_unlock(&cpe_history_lock);
disable_irq_nosync(local_vector_to_irq(IA64_CPE_VECTOR));
/*
* Corrected errors will still be corrected, but
* make sure there's a log somewhere that indicates
* something is generating more than we can handle.
*/
printk(KERN_WARNING "WARNING: Switching to polling CPE handler; error records may be lost\n");
mod_timer(&cpe_poll_timer, jiffies + MIN_CPE_POLL_INTERVAL);
/* lock already released, get out now */
return IRQ_HANDLED;
} else {
cpe_history[index++] = now;
if (index == CPE_HISTORY_LENGTH)
index = 0;
}
}
spin_unlock(&cpe_history_lock);
return IRQ_HANDLED;
}
#endif /* CONFIG_ACPI */
static void
show_min_state (pal_min_state_area_t *minstate)
{
......@@ -901,7 +949,7 @@ ia64_mca_cmc_int_handler(int cmc_irq, void *arg, struct pt_regs *ptregs)
* handled
*/
static irqreturn_t
ia64_mca_cmc_int_caller(int cpe_irq, void *arg, struct pt_regs *ptregs)
ia64_mca_cmc_int_caller(int cmc_irq, void *arg, struct pt_regs *ptregs)
{
static int start_count = -1;
unsigned int cpuid;
......@@ -912,7 +960,7 @@ ia64_mca_cmc_int_caller(int cpe_irq, void *arg, struct pt_regs *ptregs)
if (start_count == -1)
start_count = IA64_LOG_COUNT(SAL_INFO_TYPE_CMC);
ia64_mca_cmc_int_handler(cpe_irq, arg, ptregs);
ia64_mca_cmc_int_handler(cmc_irq, arg, ptregs);
for (++cpuid ; cpuid < NR_CPUS && !cpu_online(cpuid) ; cpuid++);
......@@ -967,11 +1015,13 @@ ia64_mca_cmc_poll (unsigned long dummy)
* Outputs
* handled
*/
#ifdef CONFIG_ACPI
static irqreturn_t
ia64_mca_cpe_int_caller(int cpe_irq, void *arg, struct pt_regs *ptregs)
{
static int start_count = -1;
static int poll_time = MAX_CPE_POLL_INTERVAL;
static int poll_time = MIN_CPE_POLL_INTERVAL;
unsigned int cpuid;
cpuid = smp_processor_id();
......@@ -989,20 +1039,30 @@ ia64_mca_cpe_int_caller(int cpe_irq, void *arg, struct pt_regs *ptregs)
} else {
/*
* If a log was recorded, increase our polling frequency,
* otherwise, backoff.
* otherwise, backoff or return to interrupt mode.
*/
if (start_count != IA64_LOG_COUNT(SAL_INFO_TYPE_CPE)) {
poll_time = max(MIN_CPE_POLL_INTERVAL, poll_time / 2);
} else {
} else if (cpe_vector < 0) {
poll_time = min(MAX_CPE_POLL_INTERVAL, poll_time * 2);
} else {
poll_time = MIN_CPE_POLL_INTERVAL;
printk(KERN_WARNING "Returning to interrupt driven CPE handler\n");
enable_irq(local_vector_to_irq(IA64_CPE_VECTOR));
cpe_poll_enabled = 0;
}
if (cpe_poll_enabled)
mod_timer(&cpe_poll_timer, jiffies + poll_time);
start_count = -1;
mod_timer(&cpe_poll_timer, jiffies + poll_time);
}
return IRQ_HANDLED;
}
#endif /* CONFIG_ACPI */
/*
* ia64_mca_cpe_poll
*
......@@ -1240,21 +1300,23 @@ ia64_mca_init(void)
register_percpu_irq(IA64_MCA_WAKEUP_VECTOR, &mca_wkup_irqaction);
#ifdef CONFIG_ACPI
/* Setup the CPE interrupt vector */
/* Setup the CPEI/P vector and handler */
{
irq_desc_t *desc;
unsigned int irq;
int cpev = acpi_request_vector(ACPI_INTERRUPT_CPEI);
if (cpev >= 0) {
cpe_vector = acpi_request_vector(ACPI_INTERRUPT_CPEI);
if (cpe_vector >= 0) {
for (irq = 0; irq < NR_IRQS; ++irq)
if (irq_to_vector(irq) == cpev) {
if (irq_to_vector(irq) == cpe_vector) {
desc = irq_descp(irq);
desc->status |= IRQ_PER_CPU;
setup_irq(irq, &mca_cpe_irqaction);
}
ia64_mca_register_cpev(cpev);
ia64_mca_register_cpev(cpe_vector);
}
register_percpu_irq(IA64_CPEP_VECTOR, &mca_cpep_irqaction);
}
#endif
......@@ -1294,9 +1356,10 @@ ia64_mca_late_init(void)
#ifdef CONFIG_ACPI
/* If platform doesn't support CPEI, get the timer going. */
if (acpi_request_vector(ACPI_INTERRUPT_CPEI) < 0 && cpe_poll_enabled) {
register_percpu_irq(IA64_CPEP_VECTOR, &mca_cpep_irqaction);
if (cpe_vector < 0 && cpe_poll_enabled) {
ia64_mca_cpe_poll(0UL);
} else {
cpe_poll_enabled = 0;
}
#endif
......
arch/ia64/kernel/palinfo.c
View file @ ac6a5f92
......@@ -515,10 +515,10 @@ static const char *bus_features[]={
NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
NULL, NULL, NULL, NULL,
"Enable Cache Line Repl. Exclusive",
"Enable Cache Line Repl. Shared",
"Enable Cache Line Repl. Exclusive",
"Disable Transaction Queuing",
"Disable Reponse Error Checking",
"Disable Response Error Checking",
"Disable Bus Error Checking",
"Disable Bus Requester Internal Error Signalling",
"Disable Bus Requester Error Signalling",
......
arch/ia64/kernel/perfmon.c
View file @ ac6a5f92
......@@ -311,6 +311,7 @@ typedef struct pfm_context {
unsigned int ctx_cpu; /* cpu to which perfmon is applied (system wide) */
int ctx_fd; /* file descriptor used my this context */
pfm_ovfl_arg_t ctx_ovfl_arg; /* argument to custom buffer format handler */
pfm_buffer_fmt_t *ctx_buf_fmt; /* buffer format callbacks */
void *ctx_smpl_hdr; /* points to sampling buffer header kernel vaddr */
......@@ -4584,31 +4585,6 @@ pfm_context_unload(pfm_context_t *ctx, void *arg, int count, struct pt_regs *reg
return 0;
}
static void
pfm_force_cleanup(pfm_context_t *ctx, struct pt_regs *regs)
{
struct task_struct *task = ctx->ctx_task;
ia64_psr(regs)->up = 0;
ia64_psr(regs)->sp = 1;
if (GET_PMU_OWNER() == task) {
DPRINT(("cleared ownership for [%d]\n", ctx->ctx_task->pid));
SET_PMU_OWNER(NULL, NULL);
}
/*
* disconnect the task from the context and vice-versa
*/
PFM_SET_WORK_PENDING(task, 0);
task->thread.pfm_context = NULL;
task->thread.flags &= ~IA64_THREAD_PM_VALID;
DPRINT(("force cleanupf for [%d]\n", task->pid));
}
/*
* called only from exit_thread(): task == current
......@@ -5185,7 +5161,7 @@ pfm_end_notify_user(pfm_context_t *ctx)
static void
pfm_overflow_handler(struct task_struct *task, pfm_context_t *ctx, u64 pmc0, struct pt_regs *regs)
{
pfm_ovfl_arg_t ovfl_arg;
pfm_ovfl_arg_t *ovfl_arg;
unsigned long mask;
unsigned long old_val, ovfl_val, new_val;
unsigned long ovfl_notify = 0UL, ovfl_pmds = 0UL, smpl_pmds = 0UL, reset_pmds;
......@@ -5272,7 +5248,8 @@ pfm_overflow_handler(struct task_struct *task, pfm_context_t *ctx, u64 pmc0, str
int j, k, ret = 0;
int this_cpu = smp_processor_id();
pmd_mask = ovfl_pmds >> PMU_FIRST_COUNTER;
pmd_mask = ovfl_pmds >> PMU_FIRST_COUNTER;
ovfl_arg = &ctx->ctx_ovfl_arg;
prefetch(ctx->ctx_smpl_hdr);
......@@ -5282,15 +5259,15 @@ pfm_overflow_handler(struct task_struct *task, pfm_context_t *ctx, u64 pmc0, str
if ((pmd_mask & 0x1) == 0) continue;
ovfl_arg.ovfl_pmd = (unsigned char )i;
ovfl_arg.ovfl_notify = ovfl_notify & mask ? 1 : 0;
ovfl_arg.active_set = 0;
ovfl_arg.ovfl_ctrl.val = 0; /* module must fill in all fields */
ovfl_arg.smpl_pmds[0] = smpl_pmds = ctx->ctx_pmds[i].smpl_pmds[0];
ovfl_arg->ovfl_pmd = (unsigned char )i;
ovfl_arg->ovfl_notify = ovfl_notify & mask ? 1 : 0;
ovfl_arg->active_set = 0;
ovfl_arg->ovfl_ctrl.val = 0; /* module must fill in all fields */
ovfl_arg->smpl_pmds[0] = smpl_pmds = ctx->ctx_pmds[i].smpl_pmds[0];
ovfl_arg.pmd_value = ctx->ctx_pmds[i].val;
ovfl_arg.pmd_last_reset = ctx->ctx_pmds[i].lval;
ovfl_arg.pmd_eventid = ctx->ctx_pmds[i].eventid;
ovfl_arg->pmd_value = ctx->ctx_pmds[i].val;
ovfl_arg->pmd_last_reset = ctx->ctx_pmds[i].lval;
ovfl_arg->pmd_eventid = ctx->ctx_pmds[i].eventid;
/*
* copy values of pmds of interest. Sampling format may copy them
......@@ -5299,8 +5276,8 @@ pfm_overflow_handler(struct task_struct *task, pfm_context_t *ctx, u64 pmc0, str
if (smpl_pmds) {
for(j=0, k=0; smpl_pmds; j++, smpl_pmds >>=1) {
if ((smpl_pmds & 0x1) == 0) continue;
ovfl_arg.smpl_pmds_values[k++] = PMD_IS_COUNTING(j) ? pfm_read_soft_counter(ctx, j) : ia64_get_pmd(j);
DPRINT_ovfl(("smpl_pmd[%d]=pmd%u=0x%lx\n", k-1, j, ovfl_arg.smpl_pmds_values[k-1]));
ovfl_arg->smpl_pmds_values[k++] = PMD_IS_COUNTING(j) ? pfm_read_soft_counter(ctx, j) : ia64_get_pmd(j);
DPRINT_ovfl(("smpl_pmd[%d]=pmd%u=0x%lx\n", k-1, j, ovfl_arg->smpl_pmds_values[k-1]));
}
}
......@@ -5311,7 +5288,7 @@ pfm_overflow_handler(struct task_struct *task, pfm_context_t *ctx, u64 pmc0, str
/*
* call custom buffer format record (handler) routine
*/
ret = (*ctx->ctx_buf_fmt->fmt_handler)(task, ctx->ctx_smpl_hdr, &ovfl_arg, regs, tstamp);
ret = (*ctx->ctx_buf_fmt->fmt_handler)(task, ctx->ctx_smpl_hdr, ovfl_arg, regs, tstamp);
end_cycles = ia64_get_itc();
......@@ -5319,13 +5296,13 @@ pfm_overflow_handler(struct task_struct *task, pfm_context_t *ctx, u64 pmc0, str
* For those controls, we take the union because they have
* an all or nothing behavior.
*/
ovfl_ctrl.bits.notify_user |= ovfl_arg.ovfl_ctrl.bits.notify_user;
ovfl_ctrl.bits.block_task |= ovfl_arg.ovfl_ctrl.bits.block_task;
ovfl_ctrl.bits.mask_monitoring |= ovfl_arg.ovfl_ctrl.bits.mask_monitoring;
ovfl_ctrl.bits.notify_user |= ovfl_arg->ovfl_ctrl.bits.notify_user;
ovfl_ctrl.bits.block_task |= ovfl_arg->ovfl_ctrl.bits.block_task;
ovfl_ctrl.bits.mask_monitoring |= ovfl_arg->ovfl_ctrl.bits.mask_monitoring;
/*
* build the bitmask of pmds to reset now
*/
if (ovfl_arg.ovfl_ctrl.bits.reset_ovfl_pmds) reset_pmds |= mask;
if (ovfl_arg->ovfl_ctrl.bits.reset_ovfl_pmds) reset_pmds |= mask;
pfm_stats[this_cpu].pfm_smpl_handler_cycles += end_cycles - start_cycles;
}
......@@ -5793,6 +5770,32 @@ pfm_syst_wide_update_task(struct task_struct *task, unsigned long info, int is_c
}
#ifdef CONFIG_SMP
static void
pfm_force_cleanup(pfm_context_t *ctx, struct pt_regs *regs)
{
struct task_struct *task = ctx->ctx_task;
ia64_psr(regs)->up = 0;
ia64_psr(regs)->sp = 1;
if (GET_PMU_OWNER() == task) {
DPRINT(("cleared ownership for [%d]\n", ctx->ctx_task->pid));
SET_PMU_OWNER(NULL, NULL);
}
/*
* disconnect the task from the context and vice-versa
*/
PFM_SET_WORK_PENDING(task, 0);
task->thread.pfm_context = NULL;
task->thread.flags &= ~IA64_THREAD_PM_VALID;
DPRINT(("force cleanup for [%d]\n", task->pid));
}
/*
* in 2.6, interrupts are masked when we come here and the runqueue lock is held
*/
......
arch/ia64/kernel/process.c
View file @ ac6a5f92
......@@ -439,6 +439,10 @@ copy_thread (int nr, unsigned long clone_flags,
ia32_save_state(p);
if (clone_flags & CLONE_SETTLS)
retval = ia32_clone_tls(p, child_ptregs);
/* Copy partially mapped page list */
if (!retval)
retval = ia32_copy_partial_page_list(p, clone_flags);
}
#endif
......@@ -672,6 +676,8 @@ flush_thread (void)
/* drop floating-point and debug-register state if it exists: */
current->thread.flags &= ~(IA64_THREAD_FPH_VALID | IA64_THREAD_DBG_VALID);
ia64_drop_fpu(current);
if (IS_IA32_PROCESS(ia64_task_regs(current)))
ia32_drop_partial_page_list(current);
}
/*
......@@ -691,6 +697,8 @@ exit_thread (void)
if (current->thread.flags & IA64_THREAD_DBG_VALID)
pfm_release_debug_registers(current);
#endif
if (IS_IA32_PROCESS(ia64_task_regs(current)))
ia32_drop_partial_page_list(current);
}
unsigned long
......
arch/ia64/kernel/unwind.c
View file @ ac6a5f92
......@@ -385,9 +385,10 @@ unw_access_gr (struct unw_frame_info *info, int regnum, unsigned long *val, char
}
if (write) {
if (read_only(addr))
UNW_DPRINT(0, "unwind.%s: ignoring attempt to write read-only location\n");
else {
if (read_only(addr)) {
UNW_DPRINT(0, "unwind.%s: ignoring attempt to write read-only location\n",
__FUNCTION__);
} else {
*addr = *val;
if (*nat)
*nat_addr |= nat_mask;
......@@ -432,9 +433,10 @@ unw_access_br (struct unw_frame_info *info, int regnum, unsigned long *val, int
return -1;
}
if (write)
if (read_only(addr))
UNW_DPRINT(0, "unwind.%s: ignoring attempt to write read-only location\n");
else
if (read_only(addr)) {
UNW_DPRINT(0, "unwind.%s: ignoring attempt to write read-only location\n",
__FUNCTION__);
} else
*addr = *val;
else
*val = *addr;
......@@ -480,9 +482,10 @@ unw_access_fr (struct unw_frame_info *info, int regnum, struct ia64_fpreg *val,
}
if (write)
if (read_only(addr))
UNW_DPRINT(0, "unwind.%s: ignoring attempt to write read-only location\n");
else
if (read_only(addr)) {
UNW_DPRINT(0, "unwind.%s: ignoring attempt to write read-only location\n",
__FUNCTION__);
} else
*addr = *val;
else
*val = *addr;
......@@ -576,9 +579,10 @@ unw_access_ar (struct unw_frame_info *info, int regnum, unsigned long *val, int
}
if (write) {
if (read_only(addr))
UNW_DPRINT(0, "unwind.%s: ignoring attempt to write read-only location\n");
else
if (read_only(addr)) {
UNW_DPRINT(0, "unwind.%s: ignoring attempt to write read-only location\n",
__FUNCTION__);
} else
*addr = *val;
} else
*val = *addr;
......@@ -596,9 +600,10 @@ unw_access_pr (struct unw_frame_info *info, unsigned long *val, int write)
addr = &info->sw->pr;
if (write) {
if (read_only(addr))
UNW_DPRINT(0, "unwind.%s: ignoring attempt to write read-only location\n");
else
if (read_only(addr)) {
UNW_DPRINT(0, "unwind.%s: ignoring attempt to write read-only location\n",
__FUNCTION__);
} else
*addr = *val;
} else
*val = *addr;
......
arch/ia64/mm/discontig.c
View file @ ac6a5f92
......@@ -154,6 +154,9 @@ static void __init reassign_cpu_only_nodes(void)
memcpy(numa_slit, numa_slit_fix, sizeof (numa_slit));
for (i = nnode; i < numnodes; i++)
node_set_offline(i);
numnodes = nnode;
return;
......
arch/ia64/mm/hugetlbpage.c
View file @ ac6a5f92
......@@ -297,7 +297,7 @@ int hugetlb_prefault(struct address_space *mapping, struct vm_area_struct *vma)
unlock_page(page);
} else {
hugetlb_put_quota(mapping);
free_huge_page(page);
page_cache_release(page);
goto out;
}
}
......
arch/ia64/sn/io/machvec/pci_bus_cvlink.c
View file @ ac6a5f92
......@@ -741,7 +741,7 @@ pci_bus_to_hcl_cvlink(void)
/* Is this PCI bus associated with this moduleid? */
moduleid = NODE_MODULEID(
nasid_to_cnodeid(pcibr_soft->bs_nasid));
if (modules[i]->id == moduleid) {
if (sn_modules[i]->id == moduleid) {
struct pcibr_list_s *new_element;
new_element = kmalloc(sizeof (struct pcibr_soft_s), GFP_KERNEL);
......@@ -781,7 +781,7 @@ pci_bus_to_hcl_cvlink(void)
/*
* We now have a list of all the pci bridges associated with
* the module_id, modules[i]. Call pci_bus_map_create() for
* the module_id, sn_modules[i]. Call pci_bus_map_create() for
* each pci bridge
*/
softlistp = first_in_list;
......
arch/ia64/sn/io/sn2/klgraph.c
View file @ ac6a5f92
......@@ -527,7 +527,7 @@ klhwg_add_all_modules(vertex_hdl_t hwgraph_root)
/* Use module as module vertex fastinfo */
memset(buffer, 0, 16);
format_module_id(buffer, modules[cm]->id, MODULE_FORMAT_BRIEF);
format_module_id(buffer, sn_modules[cm]->id, MODULE_FORMAT_BRIEF);
sprintf(name, EDGE_LBL_MODULE "/%s", buffer);
rc = hwgraph_path_add(hwgraph_root, name, &module_vhdl);
......@@ -535,7 +535,7 @@ klhwg_add_all_modules(vertex_hdl_t hwgraph_root)
rc = rc;
HWGRAPH_DEBUG(__FILE__, __FUNCTION__, __LINE__, module_vhdl, NULL, "Created module path.\n");
hwgraph_fastinfo_set(module_vhdl, (arbitrary_info_t) modules[cm]);
hwgraph_fastinfo_set(module_vhdl, (arbitrary_info_t) sn_modules[cm]);
/* Add system controller */
sprintf(name,
......
arch/ia64/sn/io/sn2/ml_iograph.c
View file @ ac6a5f92
......@@ -517,6 +517,14 @@ io_init_node(cnodeid_t cnodeid)
ASSERT(hubv != GRAPH_VERTEX_NONE);
/*
* attach our hub_provider information to hubv,
* so we can use it as a crosstalk provider "master"
* vertex.
*/
xtalk_provider_register(hubv, &hub_provider);
xtalk_provider_startup(hubv);
/*
* If nothing connected to this hub's xtalk port, we're done.
*/
......@@ -527,14 +535,6 @@ io_init_node(cnodeid_t cnodeid)
/* NOTREACHED */
}
/*
* attach our hub_provider information to hubv,
* so we can use it as a crosstalk provider "master"
* vertex.
*/
xtalk_provider_register(hubv, &hub_provider);
xtalk_provider_startup(hubv);
/*
* Create a vertex to represent the crosstalk bus
* attached to this hub, and a vertex to be used
......
arch/ia64/sn/io/sn2/module.c
View file @ ac6a5f92
......@@ -33,7 +33,7 @@
#define DPRINTF(x...)
#endif
module_t *modules[MODULE_MAX];
module_t *sn_modules[MODULE_MAX];
int nummodules;
#define SN00_SERIAL_FUDGE 0x3b1af409d513c2
......@@ -59,9 +59,9 @@ module_lookup(moduleid_t id)
int i;
for (i = 0; i < nummodules; i++)
if (modules[i]->id == id) {
DPRINTF("module_lookup: found m=0x%p\n", modules[i]);
return modules[i];
if (sn_modules[i]->id == id) {
DPRINTF("module_lookup: found m=0x%p\n", sn_modules[i]);
return sn_modules[i];
}
return NULL;
......@@ -104,10 +104,10 @@ module_add_node(geoid_t geoid, cnodeid_t cnodeid)
/* Insert in sorted order by module number */
for (i = nummodules; i > 0 && modules[i - 1]->id > moduleid; i--)
modules[i] = modules[i - 1];
for (i = nummodules; i > 0 && sn_modules[i - 1]->id > moduleid; i--)
sn_modules[i] = sn_modules[i - 1];
modules[i] = m;
sn_modules[i] = m;
nummodules++;
}
......
arch/ia64/sn/kernel/irq.c
View file @ ac6a5f92
......@@ -41,6 +41,7 @@ static void force_interrupt(int irq);
extern void pcibr_force_interrupt(pcibr_intr_t intr);
extern int sn_force_interrupt_flag;
struct irq_desc * sn_irq_desc(unsigned int irq);
extern cpumask_t __cacheline_aligned pending_irq_cpumask[NR_IRQS];
struct sn_intr_list_t {
struct sn_intr_list_t *next;
......@@ -71,6 +72,21 @@ sn_enable_irq(unsigned int irq)
{
}
static inline void move_irq(int irq)
{
/* note - we hold desc->lock */
cpumask_t tmp;
irq_desc_t *desc = irq_descp(irq);
if (!cpus_empty(pending_irq_cpumask[irq])) {
cpus_and(tmp, pending_irq_cpumask[irq], cpu_online_map);
if (unlikely(!cpus_empty(tmp))) {
desc->handler->set_affinity(irq, pending_irq_cpumask[irq]);
}
cpus_clear(pending_irq_cpumask[irq]);
}
}
static void
sn_ack_irq(unsigned int irq)
{
......@@ -94,6 +110,7 @@ sn_ack_irq(unsigned int irq)
}
HUB_S((unsigned long *)GLOBAL_MMR_ADDR(nasid, SH_EVENT_OCCURRED_ALIAS), mask );
__set_bit(irq, (volatile void *)pda->sn_in_service_ivecs);
move_irq(irq);
}
static void
......
arch/ia64/sn/kernel/setup.c
View file @ ac6a5f92
......@@ -226,7 +226,25 @@ sn_check_for_wars(void)
shub_1_1_found = 1;
}
/**
* sn_set_error_handling_features - Tell the SN prom how to handle certain
* error types.
*/
static void __init
sn_set_error_handling_features(void)
{
u64 ret;
u64 sn_ehf_bits[7]; /* see ia64_sn_set_error_handling_features */
memset(sn_ehf_bits, 0, sizeof(sn_ehf_bits));
#define EHF(x) __set_bit(SN_SAL_EHF_ ## x, sn_ehf_bits)
EHF(MCA_SLV_TO_OS_INIT_SLV);
EHF(NO_RZ_TLBC);
// Uncomment once Jesse's code goes in - EHF(NO_RZ_IO_READ);
#undef EHF
ret = ia64_sn_set_error_handling_features(sn_ehf_bits);
if (ret)
printk(KERN_ERR "%s: failed, return code %ld\n", __FUNCTION__, ret);
}
/**
* sn_setup - SN platform setup routine
......@@ -318,6 +336,9 @@ sn_setup(char **cmdline_p)
master_node_bedrock_address);
}
/* Tell the prom how to handle certain error types */
sn_set_error_handling_features();
/*
* we set the default root device to /dev/hda
* to make simulation easy
......
include/asm-ia64/gcc_intrin.h
View file @ ac6a5f92
......@@ -489,10 +489,16 @@ register unsigned long ia64_r13 asm ("r13") __attribute_used__;
#define ia64_ptce(addr) asm volatile ("ptc.e %0" :: "r"(addr))
#define ia64_ptcga(addr, size) \
asm volatile ("ptc.ga %0,%1" :: "r"(addr), "r"(size) : "memory")
do { \
asm volatile ("ptc.ga %0,%1" :: "r"(addr), "r"(size) : "memory"); \
ia64_dv_serialize_data(); \
} while (0)
#define ia64_ptcl(addr, size) \
asm volatile ("ptc.l %0,%1" :: "r"(addr), "r"(size) : "memory")
#define ia64_ptcl(addr, size) \
do { \
asm volatile ("ptc.l %0,%1" :: "r"(addr), "r"(size) : "memory"); \
ia64_dv_serialize_data(); \
} while (0)
#define ia64_ptri(addr, size) \
asm volatile ("ptr.i %0,%1" :: "r"(addr), "r"(size) : "memory")
......@@ -581,7 +587,7 @@ register unsigned long ia64_r13 asm ("r13") __attribute_used__;
#define ia64_intrin_local_irq_restore(x) \
do { \
asm volatile (" cmp.ne p6,p7=%0,r0;;" \
asm volatile (";; cmp.ne p6,p7=%0,r0;;" \
"(p6) ssm psr.i;" \
"(p7) rsm psr.i;;" \
"(p6) srlz.d" \
......
include/asm-ia64/ia32.h
View file @ ac6a5f92
......@@ -6,7 +6,8 @@
#include <asm/ptrace.h>
#include <asm/signal.h>
#define IA32_NR_syscalls 283 /* length of syscall table */
#define IA32_NR_syscalls 283 /* length of syscall table */
#define IA32_PAGE_SHIFT 12 /* 4KB pages */
#ifndef __ASSEMBLY__
......@@ -24,6 +25,13 @@ extern int ia32_clone_tls (struct task_struct *child, struct pt_regs *childregs)
/* Declare this unconditionally, so we don't get warnings for unreachable code. */
extern int ia32_setup_frame1 (int sig, struct k_sigaction *ka, siginfo_t *info,
sigset_t *set, struct pt_regs *regs);
#if PAGE_SHIFT > IA32_PAGE_SHIFT
extern int ia32_copy_partial_page_list (struct task_struct *, unsigned long);
extern void ia32_drop_partial_page_list (struct task_struct *);
#else
# define ia32_copy_partial_page_list(a1, a2) 0
# define ia32_drop_partial_page_list(a1) do { ; } while (0)
#endif
#endif /* !__ASSEMBLY__ */
......
include/asm-ia64/irq.h
View file @ ac6a5f92
......@@ -30,6 +30,12 @@ extern void disable_irq_nosync (unsigned int);
extern void enable_irq (unsigned int);
extern void set_irq_affinity_info (unsigned int irq, int dest, int redir);
#ifdef CONFIG_SMP
extern void move_irq(int irq);
#else
#define move_irq(irq)
#endif
struct irqaction;
struct pt_regs;
int handle_IRQ_event(unsigned int, struct pt_regs *, struct irqaction *);
......
include/asm-ia64/pgtable.h
View file @ ac6a5f92
......@@ -297,11 +297,7 @@ ia64_phys_addr_valid (unsigned long addr)
* works bypasses the caches, but does allow for consecutive writes to
* be combined into single (but larger) write transactions.
*/
#ifdef CONFIG_MCKINLEY_A0_SPECIFIC
# define pgprot_writecombine(prot) prot
#else
# define pgprot_writecombine(prot) __pgprot((pgprot_val(prot) & ~_PAGE_MA_MASK) | _PAGE_MA_WC)
#endif
#define pgprot_writecombine(prot) __pgprot((pgprot_val(prot) & ~_PAGE_MA_MASK) | _PAGE_MA_WC)
static inline unsigned long
pgd_index (unsigned long address)
......
include/asm-ia64/processor.h
View file @ ac6a5f92
......@@ -230,6 +230,7 @@ struct desc_struct {
#define TLS_SIZE (GDT_ENTRY_TLS_ENTRIES * 8)
struct partial_page_list;
#endif
struct thread_struct {
......@@ -251,6 +252,7 @@ struct thread_struct {
__u64 fdr; /* IA32 fp except. data reg */
__u64 old_k1; /* old value of ar.k1 */
__u64 old_iob; /* old IOBase value */
struct partial_page_list *ppl; /* partial page list for 4K page size issue */
/* cached TLS descriptors. */
struct desc_struct tls_array[GDT_ENTRY_TLS_ENTRIES];
......@@ -260,7 +262,8 @@ struct thread_struct {
.fir = 0, \
.fdr = 0, \
.old_k1 = 0, \
.old_iob = 0,
.old_iob = 0, \
.ppl = 0,
#else
# define INIT_THREAD_IA32
#endif /* CONFIG_IA32_SUPPORT */
......
include/asm-ia64/sn/module.h
View file @ ac6a5f92
......@@ -180,7 +180,7 @@ struct module_s {
};
/* module.c */
extern module_t *modules[MODULE_MAX]; /* Indexed by cmoduleid_t */
extern module_t *sn_modules[MODULE_MAX]; /* Indexed by cmoduleid_t */
extern int nummodules;
extern module_t *module_lookup(moduleid_t id);
......
include/asm-ia64/sn/sn_sal.h
View file @ ac6a5f92
......@@ -33,6 +33,7 @@
#define SN_SAL_NO_FAULT_ZONE_VIRTUAL 0x02000010
#define SN_SAL_NO_FAULT_ZONE_PHYSICAL 0x02000011
#define SN_SAL_PRINT_ERROR 0x02000012
#define SN_SAL_SET_ERROR_HANDLING_FEATURES 0x0200001a // reentrant
#define SN_SAL_CONSOLE_PUTC 0x02000021
#define SN_SAL_CONSOLE_GETC 0x02000022
#define SN_SAL_CONSOLE_PUTS 0x02000023
......@@ -92,6 +93,19 @@
#define SALRET_INVALID_ARG -2
#define SALRET_ERROR -3
/*
* SN_SAL_SET_ERROR_HANDLING_FEATURES bit settings
*/
enum
{
/* if "rz always" is set, have the mca slaves call os_init_slave */
SN_SAL_EHF_MCA_SLV_TO_OS_INIT_SLV=0,
/* do not rz on tlb checks, even if "rz always" is set */
SN_SAL_EHF_NO_RZ_TLBC,
/* do not rz on PIO reads to I/O space, even if "rz always" is set */
SN_SAL_EHF_NO_RZ_IO_READ,
};
/**
* sn_sal_rev_major - get the major SGI SAL revision number
......@@ -670,4 +684,24 @@ ia64_sn_sysctl_iobrick_pci_op(nasid_t n, u64 connection_type,
return 0;
}
/*
* Tell the prom how the OS wants to handle specific error features.
* It takes an array of 7 u64.
*/
static inline u64
ia64_sn_set_error_handling_features(const u64 *feature_bits)
{
struct ia64_sal_retval rv = {0, 0, 0, 0};
SAL_CALL_REENTRANT(rv, SN_SAL_SET_ERROR_HANDLING_FEATURES,
feature_bits[0],
feature_bits[1],
feature_bits[2],
feature_bits[3],
feature_bits[4],
feature_bits[5],
feature_bits[6]);
return rv.status;
}
#endif /* _ASM_IA64_SN_SN_SAL_H */
include/asm-ia64/system.h
View file @ ac6a5f92
......@@ -171,7 +171,7 @@ do { \
# define local_irq_restore(x) __local_irq_restore(x)
#endif /* !CONFIG_IA64_DEBUG_IRQ */
#define local_irq_enable() ({ ia64_ssm(IA64_PSR_I); ia64_srlz_d(); })
#define local_irq_enable() ({ ia64_stop(); ia64_ssm(IA64_PSR_I); ia64_srlz_d(); })
#define local_save_flags(flags) ({ ia64_stop(); (flags) = ia64_getreg(_IA64_REG_PSR); })
#define irqs_disabled() \
......
include/asm-ia64/unistd.h
View file @ ac6a5f92
......@@ -266,6 +266,8 @@
#define NR_syscalls 256 /* length of syscall table */
#define __ARCH_WANT_SYS_RT_SIGACTION
#ifdef CONFIG_IA32_SUPPORT
# define __ARCH_WANT_SYS_FADVISE64
# define __ARCH_WANT_SYS_GETPGRP
......@@ -275,7 +277,6 @@
# define __ARCH_WANT_SYS_OLDUMOUNT
# define __ARCH_WANT_SYS_SIGPENDING
# define __ARCH_WANT_SYS_SIGPROCMASK
# define __ARCH_WANT_SYS_RT_SIGACTION
#endif
#if !defined(__ASSEMBLY__) && !defined(ASSEMBLER)
......
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