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Commit 4dc627d5 authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6 

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6:
  sparc64: Validate linear D-TLB misses.
  sparc64: Update defconfig.
  sparc32: Update defconfig.
  sparc32: Kill trap table freeing code.
  sparc: sys32.S incorrect compat-layer splice() system call
  sparc: Use page_fault_out_of_memory() for VM_FAULT_OOM.
  sparc64: Sign extend length arg to truncate syscalls when compat.
  sparc: Fix cleanup crash in bbc_envctrl_cleanup()
parents 9c937688 d8ed1d43

arch/sparc/configs/sparc32_defconfig

+44 −30
Original line number Diff line number Diff line 
#

# Automatically generated make config: don't edit

# Linux kernel version: 2.6.30-rc2

# Fri Apr 17 04:04:46 2009

# Linux kernel version: 2.6.31-rc1

# Tue Aug 18 23:45:52 2009

#

# CONFIG_64BIT is not set

CONFIG_SPARC=y
@@ -17,6 +17,7 @@ CONFIG_GENERIC_ISA_DMA=y 
CONFIG_ARCH_NO_VIRT_TO_BUS=y

CONFIG_OF=y

CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"

CONFIG_CONSTRUCTORS=y



#

# General setup
@@ -74,7 +75,6 @@ CONFIG_SYSCTL_SYSCALL=y 
CONFIG_KALLSYMS=y

# CONFIG_KALLSYMS_ALL is not set

# CONFIG_KALLSYMS_EXTRA_PASS is not set

# CONFIG_STRIP_ASM_SYMS is not set

CONFIG_HOTPLUG=y

CONFIG_PRINTK=y

CONFIG_BUG=y
@@ -87,8 +87,13 @@ CONFIG_TIMERFD=y 
CONFIG_EVENTFD=y

CONFIG_SHMEM=y

CONFIG_AIO=y



#

# Performance Counters

#

CONFIG_VM_EVENT_COUNTERS=y

CONFIG_PCI_QUIRKS=y

# CONFIG_STRIP_ASM_SYMS is not set

CONFIG_COMPAT_BRK=y

CONFIG_SLAB=y

# CONFIG_SLUB is not set
@@ -97,6 +102,10 @@ CONFIG_SLAB=y 
# CONFIG_MARKERS is not set

CONFIG_HAVE_OPROFILE=y

CONFIG_HAVE_ARCH_TRACEHOOK=y



#

# GCOV-based kernel profiling

#

# CONFIG_SLOW_WORK is not set

# CONFIG_HAVE_GENERIC_DMA_COHERENT is not set

CONFIG_SLABINFO=y
@@ -109,7 +118,7 @@ CONFIG_MODULE_UNLOAD=y 
# CONFIG_MODVERSIONS is not set

# CONFIG_MODULE_SRCVERSION_ALL is not set

CONFIG_BLOCK=y

# CONFIG_LBD is not set

CONFIG_LBDAF=y

# CONFIG_BLK_DEV_BSG is not set

# CONFIG_BLK_DEV_INTEGRITY is not set
@@ -154,9 +163,9 @@ CONFIG_SPLIT_PTLOCK_CPUS=4 
# CONFIG_PHYS_ADDR_T_64BIT is not set

CONFIG_ZONE_DMA_FLAG=1

CONFIG_BOUNCE=y

CONFIG_UNEVICTABLE_LRU=y

CONFIG_HAVE_MLOCK=y

CONFIG_HAVE_MLOCKED_PAGE_BIT=y

CONFIG_DEFAULT_MMAP_MIN_ADDR=4096

CONFIG_SUN_PM=y

# CONFIG_SPARC_LED is not set

CONFIG_SERIAL_CONSOLE=y
@@ -264,6 +273,7 @@ CONFIG_IPV6_TUNNEL=m 
# CONFIG_ECONET is not set

# CONFIG_WAN_ROUTER is not set

# CONFIG_PHONET is not set

# CONFIG_IEEE802154 is not set

# CONFIG_NET_SCHED is not set

# CONFIG_DCB is not set
@@ -281,7 +291,11 @@ CONFIG_WIRELESS=y 
CONFIG_WIRELESS_OLD_REGULATORY=y

# CONFIG_WIRELESS_EXT is not set

# CONFIG_LIB80211 is not set

# CONFIG_MAC80211 is not set



#

# CFG80211 needs to be enabled for MAC80211

#

CONFIG_MAC80211_DEFAULT_PS_VALUE=0

# CONFIG_WIMAX is not set

# CONFIG_RFKILL is not set

# CONFIG_NET_9P is not set
@@ -335,6 +349,7 @@ CONFIG_MISC_DEVICES=y 
# EEPROM support

#

# CONFIG_EEPROM_93CX6 is not set

# CONFIG_CB710_CORE is not set

CONFIG_HAVE_IDE=y

# CONFIG_IDE is not set
@@ -358,10 +373,6 @@ CONFIG_BLK_DEV_SR=m 
# CONFIG_BLK_DEV_SR_VENDOR is not set

CONFIG_CHR_DEV_SG=m

# CONFIG_CHR_DEV_SCH is not set



#

# Some SCSI devices (e.g. CD jukebox) support multiple LUNs

#

# CONFIG_SCSI_MULTI_LUN is not set

# CONFIG_SCSI_CONSTANTS is not set

# CONFIG_SCSI_LOGGING is not set
@@ -379,6 +390,7 @@ CONFIG_SCSI_SPI_ATTRS=y 
CONFIG_SCSI_LOWLEVEL=y

# CONFIG_ISCSI_TCP is not set

# CONFIG_SCSI_CXGB3_ISCSI is not set

# CONFIG_SCSI_BNX2_ISCSI is not set

# CONFIG_BLK_DEV_3W_XXXX_RAID is not set

# CONFIG_SCSI_3W_9XXX is not set

# CONFIG_SCSI_ACARD is not set
@@ -387,6 +399,7 @@ CONFIG_SCSI_LOWLEVEL=y 
# CONFIG_SCSI_AIC7XXX_OLD is not set

# CONFIG_SCSI_AIC79XX is not set

# CONFIG_SCSI_AIC94XX is not set

# CONFIG_SCSI_MVSAS is not set

# CONFIG_SCSI_ARCMSR is not set

# CONFIG_MEGARAID_NEWGEN is not set

# CONFIG_MEGARAID_LEGACY is not set
@@ -401,7 +414,6 @@ CONFIG_SCSI_LOWLEVEL=y 
# CONFIG_SCSI_IPS is not set

# CONFIG_SCSI_INITIO is not set

# CONFIG_SCSI_INIA100 is not set

# CONFIG_SCSI_MVSAS is not set

# CONFIG_SCSI_STEX is not set

# CONFIG_SCSI_SYM53C8XX_2 is not set

# CONFIG_SCSI_QLOGIC_1280 is not set
@@ -426,13 +438,16 @@ CONFIG_SCSI_SUNESP=y 
#



#

# Enable only one of the two stacks, unless you know what you are doing

# You can enable one or both FireWire driver stacks.

#



#

# See the help texts for more information.

#

# CONFIG_FIREWIRE is not set

# CONFIG_IEEE1394 is not set

# CONFIG_I2O is not set

CONFIG_NETDEVICES=y

CONFIG_COMPAT_NET_DEV_OPS=y

CONFIG_DUMMY=m

# CONFIG_BONDING is not set

# CONFIG_MACVLAN is not set
@@ -463,6 +478,7 @@ CONFIG_SUNQE=m 
# CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set

# CONFIG_NET_PCI is not set

# CONFIG_B44 is not set

# CONFIG_KS8842 is not set

# CONFIG_ATL2 is not set

CONFIG_NETDEV_1000=y

# CONFIG_ACENIC is not set
@@ -482,6 +498,7 @@ CONFIG_NETDEV_1000=y 
# CONFIG_VIA_VELOCITY is not set

# CONFIG_TIGON3 is not set

# CONFIG_BNX2 is not set

# CONFIG_CNIC is not set

# CONFIG_QLA3XXX is not set

# CONFIG_ATL1 is not set

# CONFIG_ATL1E is not set
@@ -629,6 +646,11 @@ CONFIG_HW_RANDOM=m 
CONFIG_DEVPORT=y

# CONFIG_I2C is not set

# CONFIG_SPI is not set



#

# PPS support

#

# CONFIG_PPS is not set

CONFIG_ARCH_WANT_OPTIONAL_GPIOLIB=y

# CONFIG_GPIOLIB is not set

# CONFIG_W1 is not set
@@ -668,22 +690,7 @@ CONFIG_SSB_POSSIBLE=y 
# CONFIG_HTC_PASIC3 is not set

# CONFIG_MFD_TMIO is not set

# CONFIG_REGULATOR is not set



#

# Multimedia devices

#



#

# Multimedia core support

#

# CONFIG_VIDEO_DEV is not set

# CONFIG_DVB_CORE is not set

# CONFIG_VIDEO_MEDIA is not set



#

# Multimedia drivers

#

# CONFIG_DAB is not set

# CONFIG_MEDIA_SUPPORT is not set



#

# Graphics support
@@ -776,6 +783,10 @@ CONFIG_RTC_DRV_M48T59=y 
# CONFIG_DMADEVICES is not set

# CONFIG_AUXDISPLAY is not set

# CONFIG_UIO is not set



#

# TI VLYNQ

#

# CONFIG_STAGING is not set



#
@@ -799,10 +810,12 @@ CONFIG_FS_MBCACHE=y 
# CONFIG_REISERFS_FS is not set

# CONFIG_JFS_FS is not set

CONFIG_FS_POSIX_ACL=y

CONFIG_FILE_LOCKING=y

# CONFIG_XFS_FS is not set

# CONFIG_GFS2_FS is not set

# CONFIG_OCFS2_FS is not set

# CONFIG_BTRFS_FS is not set

CONFIG_FILE_LOCKING=y

CONFIG_FSNOTIFY=y

CONFIG_DNOTIFY=y

CONFIG_INOTIFY=y

CONFIG_INOTIFY_USER=y
@@ -985,6 +998,7 @@ CONFIG_KGDB=y 
CONFIG_KGDB_SERIAL_CONSOLE=y

CONFIG_KGDB_TESTS=y

# CONFIG_KGDB_TESTS_ON_BOOT is not set

# CONFIG_KMEMCHECK is not set

# CONFIG_DEBUG_STACK_USAGE is not set

# CONFIG_STACK_DEBUG is not set

arch/sparc/configs/sparc64_defconfig

+34 −25
Original line number Diff line number Diff line 
#

# Automatically generated make config: don't edit

# Linux kernel version: 2.6.30

# Tue Jun 16 04:59:36 2009

# Linux kernel version: 2.6.31-rc1

# Tue Aug 18 23:56:02 2009

#

CONFIG_64BIT=y

CONFIG_SPARC=y
@@ -26,6 +26,7 @@ CONFIG_ARCH_NO_VIRT_TO_BUS=y 
CONFIG_OF=y

CONFIG_ARCH_SUPPORTS_DEBUG_PAGEALLOC=y

CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"

CONFIG_CONSTRUCTORS=y



#

# General setup
@@ -119,6 +120,11 @@ CONFIG_HAVE_KPROBES=y 
CONFIG_HAVE_KRETPROBES=y

CONFIG_HAVE_ARCH_TRACEHOOK=y

CONFIG_USE_GENERIC_SMP_HELPERS=y



#

# GCOV-based kernel profiling

#

# CONFIG_GCOV_KERNEL is not set

# CONFIG_SLOW_WORK is not set

# CONFIG_HAVE_GENERIC_DMA_COHERENT is not set

CONFIG_SLABINFO=y
@@ -204,7 +210,6 @@ CONFIG_MIGRATION=y 
CONFIG_PHYS_ADDR_T_64BIT=y

CONFIG_ZONE_DMA_FLAG=0

CONFIG_NR_QUICK=1

CONFIG_UNEVICTABLE_LRU=y

CONFIG_HAVE_MLOCK=y

CONFIG_HAVE_MLOCKED_PAGE_BIT=y

CONFIG_DEFAULT_MMAP_MIN_ADDR=8192
@@ -410,6 +415,7 @@ CONFIG_MISC_DEVICES=y 
#

# CONFIG_EEPROM_AT24 is not set

# CONFIG_EEPROM_LEGACY is not set

# CONFIG_EEPROM_MAX6875 is not set

# CONFIG_EEPROM_93CX6 is not set

# CONFIG_CB710_CORE is not set

CONFIG_HAVE_IDE=y
@@ -562,6 +568,7 @@ CONFIG_BLK_DEV_DM=m 
CONFIG_DM_CRYPT=m

CONFIG_DM_SNAPSHOT=m

CONFIG_DM_MIRROR=m

# CONFIG_DM_LOG_USERSPACE is not set

CONFIG_DM_ZERO=m

# CONFIG_DM_MULTIPATH is not set

# CONFIG_DM_DELAY is not set
@@ -573,7 +580,11 @@ CONFIG_DM_ZERO=m 
#



#

# Enable only one of the two stacks, unless you know what you are doing

# You can enable one or both FireWire driver stacks.

#



#

# See the help texts for more information.

#

# CONFIG_FIREWIRE is not set

# CONFIG_IEEE1394 is not set
@@ -667,6 +678,7 @@ CONFIG_E1000E=m 
# CONFIG_VIA_VELOCITY is not set

CONFIG_TIGON3=m

CONFIG_BNX2=m

# CONFIG_CNIC is not set

# CONFIG_QLA3XXX is not set

# CONFIG_ATL1 is not set

# CONFIG_ATL1E is not set
@@ -773,6 +785,7 @@ CONFIG_MOUSE_SERIAL=y 
# CONFIG_MOUSE_APPLETOUCH is not set

# CONFIG_MOUSE_BCM5974 is not set

# CONFIG_MOUSE_VSXXXAA is not set

# CONFIG_MOUSE_SYNAPTICS_I2C is not set

# CONFIG_INPUT_JOYSTICK is not set

# CONFIG_INPUT_TABLET is not set

# CONFIG_INPUT_TOUCHSCREEN is not set
@@ -870,6 +883,7 @@ CONFIG_I2C_ALGOBIT=y 
#

# I2C system bus drivers (mostly embedded / system-on-chip)

#

# CONFIG_I2C_DESIGNWARE is not set

# CONFIG_I2C_OCORES is not set

# CONFIG_I2C_SIMTEC is not set
@@ -898,13 +912,17 @@ CONFIG_I2C_ALGOBIT=y 
# CONFIG_SENSORS_PCF8574 is not set

# CONFIG_PCF8575 is not set

# CONFIG_SENSORS_PCA9539 is not set

# CONFIG_SENSORS_MAX6875 is not set

# CONFIG_SENSORS_TSL2550 is not set

# CONFIG_I2C_DEBUG_CORE is not set

# CONFIG_I2C_DEBUG_ALGO is not set

# CONFIG_I2C_DEBUG_BUS is not set

# CONFIG_I2C_DEBUG_CHIP is not set

# CONFIG_SPI is not set



#

# PPS support

#

# CONFIG_PPS is not set

CONFIG_ARCH_WANT_OPTIONAL_GPIOLIB=y

# CONFIG_GPIOLIB is not set

# CONFIG_W1 is not set
@@ -959,6 +977,7 @@ CONFIG_HWMON=y 
# CONFIG_SENSORS_SMSC47B397 is not set

# CONFIG_SENSORS_ADS7828 is not set

# CONFIG_SENSORS_THMC50 is not set

# CONFIG_SENSORS_TMP401 is not set

# CONFIG_SENSORS_VIA686A is not set

# CONFIG_SENSORS_VT1211 is not set

# CONFIG_SENSORS_VT8231 is not set
@@ -994,23 +1013,9 @@ CONFIG_SSB_POSSIBLE=y 
# CONFIG_MFD_WM8400 is not set

# CONFIG_MFD_WM8350_I2C is not set

# CONFIG_MFD_PCF50633 is not set

# CONFIG_AB3100_CORE is not set

# CONFIG_REGULATOR is not set



#

# Multimedia devices

#



#

# Multimedia core support

#

# CONFIG_VIDEO_DEV is not set

# CONFIG_DVB_CORE is not set

# CONFIG_VIDEO_MEDIA is not set



#

# Multimedia drivers

#

# CONFIG_DAB is not set

# CONFIG_MEDIA_SUPPORT is not set



#

# Graphics support
@@ -1284,7 +1289,6 @@ CONFIG_USB=y 
#

# Miscellaneous USB options

#

CONFIG_USB_DEVICEFS=y

# CONFIG_USB_DEVICE_CLASS is not set

# CONFIG_USB_DYNAMIC_MINORS is not set

# CONFIG_USB_OTG is not set
@@ -1296,6 +1300,7 @@ CONFIG_USB_DEVICEFS=y 
# USB Host Controller Drivers

#

# CONFIG_USB_C67X00_HCD is not set

# CONFIG_USB_XHCI_HCD is not set

CONFIG_USB_EHCI_HCD=m

# CONFIG_USB_EHCI_ROOT_HUB_TT is not set

# CONFIG_USB_EHCI_TT_NEWSCHED is not set
@@ -1374,7 +1379,6 @@ CONFIG_USB_STORAGE=m 
# CONFIG_USB_LD is not set

# CONFIG_USB_TRANCEVIBRATOR is not set

# CONFIG_USB_IOWARRIOR is not set

# CONFIG_USB_TEST is not set

# CONFIG_USB_ISIGHTFW is not set

# CONFIG_USB_VST is not set

# CONFIG_USB_GADGET is not set
@@ -1420,6 +1424,7 @@ CONFIG_RTC_INTF_DEV=y 
# CONFIG_RTC_DRV_S35390A is not set

# CONFIG_RTC_DRV_FM3130 is not set

# CONFIG_RTC_DRV_RX8581 is not set

# CONFIG_RTC_DRV_RX8025 is not set



#

# SPI RTC drivers
@@ -1448,6 +1453,10 @@ CONFIG_RTC_DRV_STARFIRE=y 
# CONFIG_DMADEVICES is not set

# CONFIG_AUXDISPLAY is not set

# CONFIG_UIO is not set



#

# TI VLYNQ

#

# CONFIG_STAGING is not set



#
@@ -1480,11 +1489,11 @@ CONFIG_FS_MBCACHE=y 
# CONFIG_REISERFS_FS is not set

# CONFIG_JFS_FS is not set

CONFIG_FS_POSIX_ACL=y

CONFIG_FILE_LOCKING=y

# CONFIG_XFS_FS is not set

# CONFIG_GFS2_FS is not set

# CONFIG_OCFS2_FS is not set

# CONFIG_BTRFS_FS is not set

CONFIG_FILE_LOCKING=y

CONFIG_FSNOTIFY=y

CONFIG_DNOTIFY=y

CONFIG_INOTIFY=y
@@ -1560,7 +1569,7 @@ CONFIG_NETWORK_FILESYSTEMS=y 
# CONFIG_PARTITION_ADVANCED is not set

CONFIG_MSDOS_PARTITION=y

CONFIG_SUN_PARTITION=y

CONFIG_NLS=m

CONFIG_NLS=y

CONFIG_NLS_DEFAULT="iso8859-1"

# CONFIG_NLS_CODEPAGE_437 is not set

# CONFIG_NLS_CODEPAGE_737 is not set

arch/sparc/include/asm/pgtable_64.h

+9 −3
Original line number Diff line number Diff line
@@ -726,11 +726,17 @@ extern unsigned long pte_file(pte_t); 
extern pte_t pgoff_to_pte(unsigned long);

#define PTE_FILE_MAX_BITS	(64UL - PAGE_SHIFT - 1UL)



extern unsigned long *sparc64_valid_addr_bitmap;

extern unsigned long sparc64_valid_addr_bitmap[];



/* Needs to be defined here and not in linux/mm.h, as it is arch dependent */

#define kern_addr_valid(addr)	\

	(test_bit(__pa((unsigned long)(addr))>>22, sparc64_valid_addr_bitmap))

static inline bool kern_addr_valid(unsigned long addr)

{

	unsigned long paddr = __pa(addr);



	if ((paddr >> 41UL) != 0UL)

		return false;

	return test_bit(paddr >> 22, sparc64_valid_addr_bitmap);

}



extern int page_in_phys_avail(unsigned long paddr);

arch/sparc/kernel/ktlb.S

+38 −4
Original line number Diff line number Diff line
@@ -151,12 +151,46 @@ kvmap_dtlb_4v: 
	 * Must preserve %g1 and %g6 (TAG).

	 */

kvmap_dtlb_tsb4m_miss:

	sethi		%hi(kpte_linear_bitmap), %g2

	or		%g2, %lo(kpte_linear_bitmap), %g2

	/* Clear the PAGE_OFFSET top virtual bits, shift

	 * down to get PFN, and make sure PFN is in range.

	 */

	sllx		%g4, 21, %g5



	/* Clear the PAGE_OFFSET top virtual bits, then shift

	 * down to get a 256MB physical address index.

	/* Check to see if we know about valid memory at the 4MB

	 * chunk this physical address will reside within.

	 */

	srlx		%g5, 21 + 41, %g2

	brnz,pn		%g2, kvmap_dtlb_longpath

	 nop



	/* This unconditional branch and delay-slot nop gets patched

	 * by the sethi sequence once the bitmap is properly setup.

	 */

	.globl		valid_addr_bitmap_insn

valid_addr_bitmap_insn:

	ba,pt		%xcc, 2f

	 nop

	.subsection	2

	.globl		valid_addr_bitmap_patch

valid_addr_bitmap_patch:

	sethi		%hi(sparc64_valid_addr_bitmap), %g7

	or		%g7, %lo(sparc64_valid_addr_bitmap), %g7

	.previous



	srlx		%g5, 21 + 22, %g2

	srlx		%g2, 6, %g5

	and		%g2, 63, %g2

	sllx		%g5, 3, %g5

	ldx		[%g7 + %g5], %g5

	mov		1, %g7

	sllx		%g7, %g2, %g7

	andcc		%g5, %g7, %g0

	be,pn		%xcc, kvmap_dtlb_longpath



2:	 sethi		%hi(kpte_linear_bitmap), %g2

	or		%g2, %lo(kpte_linear_bitmap), %g2



	/* Get the 256MB physical address index. */

	sllx		%g4, 21, %g5

	mov		1, %g7

	srlx		%g5, 21 + 28, %g5

arch/sparc/kernel/sun4d_smp.c

+0 −22
Original line number Diff line number Diff line
@@ -162,9 +162,6 @@ extern void cpu_panic(void); 
 */

 

extern struct linux_prom_registers smp_penguin_ctable;

extern unsigned long trapbase_cpu1[];

extern unsigned long trapbase_cpu2[];

extern unsigned long trapbase_cpu3[];



void __init smp4d_boot_cpus(void)

{
@@ -235,25 +232,6 @@ void __init smp4d_smp_done(void) 
	*prev = first;

	local_flush_cache_all();



	/* Free unneeded trap tables */

	ClearPageReserved(virt_to_page(trapbase_cpu1));

	init_page_count(virt_to_page(trapbase_cpu1));

	free_page((unsigned long)trapbase_cpu1);

	totalram_pages++;

	num_physpages++;



	ClearPageReserved(virt_to_page(trapbase_cpu2));

	init_page_count(virt_to_page(trapbase_cpu2));

	free_page((unsigned long)trapbase_cpu2);

	totalram_pages++;

	num_physpages++;



	ClearPageReserved(virt_to_page(trapbase_cpu3));

	init_page_count(virt_to_page(trapbase_cpu3));

	free_page((unsigned long)trapbase_cpu3);

	totalram_pages++;

	num_physpages++;



	/* Ok, they are spinning and ready to go. */

	smp_processors_ready = 1;

	sun4d_distribute_irqs();