Updates to bring UML up to 2.5.58.

arch/um/Kconfig

@@ -38,6 +38,10 @@ config MODE_SKAS
 	bool
 	default y
 
+config LOG_BUF_SHIFT
+	int
+	default 14
+
 menu "Code maturity level options"
 
 config EXPERIMENTAL
@@ -194,6 +198,10 @@ source "net/Kconfig"
 
 source "fs/Kconfig"
 
+source "security/Kconfig"
+
+source "crypto/Kconfig"
+
 source "lib/Kconfig"
 
 menu "SCSI support"
@@ -221,6 +229,9 @@ menu "Kernel hacking"
 config DEBUG_SLAB
 	bool "Debug memory allocations"
 
+config DEBUG_SPINLOCK
+	bool "Debug spinlocks usage"
+
 config DEBUGSYM
 	bool "Enable kernel debugging symbols"
 	help

arch/um/defconfig

@@ -2,11 +2,11 @@
 # Automatically generated make config: don't edit
 #
 CONFIG_USERMODE=y
-# CONFIG_ISA is not set
-# CONFIG_SBUS is not set
-# CONFIG_PCI is not set
+CONFIG_MMU=y
+CONFIG_SWAP=y
 CONFIG_UID16=y
 CONFIG_RWSEM_GENERIC_SPINLOCK=y
+CONFIG_CONFIG_LOG_BUF_SHIFT=14
 
 #
 # Code maturity level options
@@ -16,6 +16,8 @@ CONFIG_EXPERIMENTAL=y
 #
 # General Setup
 #
+CONFIG_MODE_TT=y
+CONFIG_MODE_SKAS=y
 CONFIG_NET=y
 CONFIG_SYSVIPC=y
 CONFIG_BSD_PROCESS_ACCT=y
@@ -32,6 +34,8 @@ CONFIG_MAGIC_SYSRQ=y
 CONFIG_NEST_LEVEL=0
 CONFIG_KERNEL_HALF_GIGS=1
 # CONFIG_HIGHMEM is not set
+CONFIG_PROC_MM=y
+CONFIG_KERNEL_STACK_ORDER=2
 
 #
 # Loadable module support
@@ -56,13 +60,9 @@ CONFIG_SSL_CHAN="pty"
 CONFIG_UNIX98_PTYS=y
 CONFIG_UNIX98_PTY_COUNT=256
 # CONFIG_WATCHDOG is not set
-# CONFIG_WATCHDOG_NOWAYOUT is not set
-# CONFIG_SOFT_WATCHDOG is not set
-# CONFIG_UML_WATCHDOG is not set
 CONFIG_UML_SOUND=y
 CONFIG_SOUND=y
 CONFIG_HOSTAUDIO=y
-# CONFIG_TTY_LOG is not set
 
 #
 # Block Devices
@@ -87,13 +87,14 @@ CONFIG_UML_NET_SLIP=y
 CONFIG_UML_NET_DAEMON=y
 CONFIG_UML_NET_MCAST=y
 # CONFIG_UML_NET_PCAP is not set
+CONFIG_UML_NET_SLIRP=y
 CONFIG_DUMMY=y
 # CONFIG_BONDING is not set
 # CONFIG_EQUALIZER is not set
 CONFIG_TUN=y
+# CONFIG_ETHERTAP is not set
 CONFIG_PPP=y
 # CONFIG_PPP_MULTILINK is not set
-# CONFIG_PPP_FILTER is not set
 # CONFIG_PPP_ASYNC is not set
 # CONFIG_PPP_SYNC_TTY is not set
 # CONFIG_PPP_DEFLATE is not set
@@ -104,6 +105,10 @@ CONFIG_SLIP=y
 # CONFIG_SLIP_SMART is not set
 # CONFIG_SLIP_MODE_SLIP6 is not set
 
+#
+# Networking support
+#
+
 #
 # Networking options
 #
@@ -113,6 +118,7 @@ CONFIG_PACKET_MMAP=y
 # CONFIG_NETFILTER is not set
 # CONFIG_FILTER is not set
 CONFIG_UNIX=y
+# CONFIG_NET_KEY is not set
 CONFIG_INET=y
 # CONFIG_IP_MULTICAST is not set
 # CONFIG_IP_ADVANCED_ROUTER is not set
@@ -122,6 +128,9 @@ CONFIG_INET=y
 # CONFIG_ARPD is not set
 # CONFIG_INET_ECN is not set
 # CONFIG_SYN_COOKIES is not set
+# CONFIG_INET_AH is not set
+# CONFIG_INET_ESP is not set
+# CONFIG_XFRM_USER is not set
 # CONFIG_IPV6 is not set
 
 #
@@ -132,9 +141,6 @@ CONFIG_IPV6_SCTP__=y
 # CONFIG_ATM is not set
 # CONFIG_VLAN_8021Q is not set
 # CONFIG_LLC is not set
-# CONFIG_IPX is not set
-# CONFIG_ATALK is not set
-# CONFIG_DEV_APPLETALK is not set
 # CONFIG_DECNET is not set
 # CONFIG_BRIDGE is not set
 # CONFIG_X25 is not set
@@ -150,6 +156,35 @@ CONFIG_IPV6_SCTP__=y
 #
 # CONFIG_NET_SCHED is not set
 
+#
+# Network testing
+#
+# CONFIG_NET_PKTGEN is not set
+
+#
+# Ethernet (10 or 100Mbit)
+#
+# CONFIG_NET_ETHERNET is not set
+
+#
+# Ethernet (1000 Mbit)
+#
+
+#
+# Wireless LAN (non-hamradio)
+#
+# CONFIG_NET_RADIO is not set
+
+#
+# Token Ring devices (depends on LLC=y)
+#
+# CONFIG_SHAPER is not set
+
+#
+# Wan interfaces
+#
+# CONFIG_WAN is not set
+
 #
 # File systems
 #
@@ -163,16 +198,14 @@ CONFIG_REISERFS_FS=m
 # CONFIG_REISERFS_CHECK is not set
 # CONFIG_REISERFS_PROC_INFO is not set
 # CONFIG_ADFS_FS is not set
-# CONFIG_ADFS_FS_RW is not set
 # CONFIG_AFFS_FS is not set
 # CONFIG_HFS_FS is not set
+# CONFIG_BEFS_FS is not set
 # CONFIG_BFS_FS is not set
 # CONFIG_EXT3_FS is not set
 # CONFIG_JBD is not set
-# CONFIG_JBD_DEBUG is not set
 CONFIG_FAT_FS=m
 CONFIG_MSDOS_FS=m
-# CONFIG_UMSDOS_FS is not set
 CONFIG_VFAT_FS=m
 # CONFIG_EFS_FS is not set
 CONFIG_JFFS_FS=y
@@ -186,13 +219,9 @@ CONFIG_ISO9660_FS=m
 # CONFIG_JOLIET is not set
 # CONFIG_ZISOFS is not set
 # CONFIG_JFS_FS is not set
-# CONFIG_JFS_DEBUG is not set
-# CONFIG_JFS_STATISTICS is not set
 CONFIG_MINIX_FS=m
 # CONFIG_VXFS_FS is not set
 # CONFIG_NTFS_FS is not set
-# CONFIG_NTFS_DEBUG is not set
-# CONFIG_NTFS_RW is not set
 # CONFIG_HPFS_FS is not set
 CONFIG_PROC_FS=y
 CONFIG_DEVFS_FS=y
@@ -200,17 +229,13 @@ CONFIG_DEVFS_MOUNT=y
 # CONFIG_DEVFS_DEBUG is not set
 CONFIG_DEVPTS_FS=y
 # CONFIG_QNX4FS_FS is not set
-# CONFIG_QNX4FS_RW is not set
 # CONFIG_ROMFS_FS is not set
 CONFIG_EXT2_FS=y
+# CONFIG_EXT2_FS_XATTR is not set
 # CONFIG_SYSV_FS is not set
 # CONFIG_UDF_FS is not set
-# CONFIG_UDF_RW is not set
 # CONFIG_UFS_FS is not set
-# CONFIG_UFS_FS_WRITE is not set
 # CONFIG_XFS_FS is not set
-# CONFIG_XFS_RT is not set
-# CONFIG_XFS_QUOTA is not set
 
 #
 # Network File Systems
@@ -218,36 +243,18 @@ CONFIG_EXT2_FS=y
 # CONFIG_CODA_FS is not set
 # CONFIG_INTERMEZZO_FS is not set
 # CONFIG_NFS_FS is not set
-# CONFIG_NFS_V3 is not set
-# CONFIG_NFS_V4 is not set
-# CONFIG_ROOT_NFS is not set
 # CONFIG_NFSD is not set
-# CONFIG_NFSD_V3 is not set
-# CONFIG_NFSD_V4 is not set
-# CONFIG_NFSD_TCP is not set
-# CONFIG_SUNRPC is not set
-# CONFIG_LOCKD is not set
 # CONFIG_EXPORTFS is not set
 # CONFIG_CIFS is not set
 # CONFIG_SMB_FS is not set
 # CONFIG_NCP_FS is not set
-# CONFIG_NCPFS_PACKET_SIGNING is not set
-# CONFIG_NCPFS_IOCTL_LOCKING is not set
-# CONFIG_NCPFS_STRONG is not set
-# CONFIG_NCPFS_NFS_NS is not set
-# CONFIG_NCPFS_OS2_NS is not set
-# CONFIG_NCPFS_SMALLDOS is not set
-# CONFIG_NCPFS_NLS is not set
-# CONFIG_NCPFS_EXTRAS is not set
 # CONFIG_AFS_FS is not set
-# CONFIG_ZISOFS_FS is not set
 
 #
 # Partition Types
 #
 # CONFIG_PARTITION_ADVANCED is not set
 CONFIG_MSDOS_PARTITION=y
-# CONFIG_SMB_NLS is not set
 CONFIG_NLS=y
 
 #
@@ -292,6 +299,21 @@ CONFIG_NLS_DEFAULT="iso8859-1"
 # CONFIG_NLS_KOI8_U is not set
 # CONFIG_NLS_UTF8 is not set
 
+#
+# Security options
+#
+# CONFIG_SECURITY is not set
+
+#
+# Cryptographic options
+#
+# CONFIG_CRYPTO is not set
+
+#
+# Library routines
+#
+# CONFIG_CRC32 is not set
+
 #
 # SCSI support
 #
@@ -322,13 +344,6 @@ CONFIG_SCSI_DEBUG=y
 # Multi-device support (RAID and LVM)
 #
 # CONFIG_MD is not set
-# CONFIG_BLK_DEV_MD is not set
-# CONFIG_MD_LINEAR is not set
-# CONFIG_MD_RAID0 is not set
-# CONFIG_MD_RAID1 is not set
-# CONFIG_MD_RAID5 is not set
-# CONFIG_MD_MULTIPATH is not set
-# CONFIG_BLK_DEV_LVM is not set
 
 #
 # Memory Technology Devices (MTD)
@@ -337,8 +352,6 @@ CONFIG_MTD=y
 # CONFIG_MTD_DEBUG is not set
 # CONFIG_MTD_PARTITIONS is not set
 # CONFIG_MTD_CONCAT is not set
-# CONFIG_MTD_REDBOOT_PARTS is not set
-# CONFIG_MTD_CMDLINE_PARTS is not set
 
 #
 # User Modules And Translation Layers
@@ -353,28 +366,18 @@ CONFIG_MTD_BLOCK=y
 #
 # CONFIG_MTD_CFI is not set
 # CONFIG_MTD_JEDECPROBE is not set
-# CONFIG_MTD_GEN_PROBE is not set
-# CONFIG_MTD_CFI_INTELEXT is not set
-# CONFIG_MTD_CFI_AMDSTD is not set
 # CONFIG_MTD_RAM is not set
 # CONFIG_MTD_ROM is not set
 # CONFIG_MTD_ABSENT is not set
 # CONFIG_MTD_OBSOLETE_CHIPS is not set
-# CONFIG_MTD_AMDSTD is not set
-# CONFIG_MTD_SHARP is not set
-# CONFIG_MTD_JEDEC is not set
 
 #
 # Mapping drivers for chip access
 #
-# CONFIG_MTD_PHYSMAP is not set
-# CONFIG_MTD_PCI is not set
-# CONFIG_MTD_PCMCIA is not set
 
 #
 # Self-contained MTD device drivers
 #
-# CONFIG_MTD_PMC551 is not set
 # CONFIG_MTD_SLRAM is not set
 # CONFIG_MTD_MTDRAM is not set
 CONFIG_MTD_BLKMTD=m
@@ -385,7 +388,6 @@ CONFIG_MTD_BLKMTD=m
 # CONFIG_MTD_DOC1000 is not set
 # CONFIG_MTD_DOC2000 is not set
 # CONFIG_MTD_DOC2001 is not set
-# CONFIG_MTD_DOCPROBE is not set
 
 #
 # NAND Flash Device Drivers
@@ -396,7 +398,9 @@ CONFIG_MTD_BLKMTD=m
 # Kernel hacking
 #
 # CONFIG_DEBUG_SLAB is not set
+# CONFIG_DEBUG_SPINLOCK is not set
 CONFIG_DEBUGSYM=y
+CONFIG_FRAME_POINTER=y
 CONFIG_PT_PROXY=y
 # CONFIG_GPROF is not set
 # CONFIG_GCOV is not set

arch/um/kernel/sys_call_table.c

@@ -481,8 +481,6 @@ syscall_handler_t *sys_call_table[] = {
 	[ __NR_io_getevents ] = sys_io_getevents,
 	[ __NR_io_submit ] = sys_io_submit,
 	[ __NR_io_cancel ] = sys_io_cancel,
-	[ __NR_alloc_hugepages ] = sys_ni_syscall,
-	[ __NR_free_hugepages ] = sys_ni_syscall,
 	[ __NR_exit_group ] = sys_exit_group,
 	[ __NR_lookup_dcookie ] = sys_lookup_dcookie,
 	[ __NR_epoll_create ] = sys_epoll_create,

arch/um/sys-i386/Makefile

@@ -8,10 +8,9 @@ export-objs = ksyms.o
 USER_OBJS := bugs.o ptrace_user.o sigcontext.o fault.o
 USER_OBJS := $(foreach file,$(USER_OBJS),$(obj)/$(file))
 
-SYMLINKS = semaphore.c extable.c highmem.c module.c
+SYMLINKS = semaphore.c highmem.c module.c
 
 semaphore.c-dir = kernel
-extable.c-dir = mm
 highmem.c-dir = mm
 module.c-dir = kernel
 

arch/um/sys-i386/extable.c

+/*
+ * linux/arch/i386/mm/extable.c
+ */
+
+#include <linux/config.h>
+#include <linux/module.h>
+#include <linux/spinlock.h>
+#include <asm/uaccess.h>
+
+/* Simple binary search */
+const struct exception_table_entry *
+search_extable(const struct exception_table_entry *first,
+	       const struct exception_table_entry *last,
+	       unsigned long value)
+{
+        while (first <= last) {
+		const struct exception_table_entry *mid;
+		long diff;
+
+		mid = (last - first) / 2 + first;
+		diff = mid->insn - value;
+                if (diff == 0)
+                        return mid;
+                else if (diff < 0)
+                        first = mid+1;
+                else
+                        last = mid-1;
+        }
+        return NULL;
+}

arch/um/sys-i386/fault.c

@@ -14,7 +14,7 @@ int arch_fixup(unsigned long address, void *sc_ptr)
 	struct sigcontext *sc = sc_ptr;
 	unsigned long fixup;
 
-	fixup = search_exception_table(address);
+	fixup = search_exception_tables(address);
 	if(fixup != 0){
 		sc->eip = fixup;
 		return(1);

include/asm-um/bug.h

+#ifndef __UM_BUG_H
+#define __UM_BUG_H
+
+#ifndef __ASSEMBLY__
+
+#define BUG() do { \
+	panic("kernel BUG at %s:%d!\n", __FILE__, __LINE__); \
+} while (0)
+
+#define PAGE_BUG(page) do { \
+	BUG(); \
+} while (0)
+
+extern int foo;
+
+#endif
+
+#endif

include/asm-um/page.h

@@ -4,9 +4,8 @@
 struct page;
 
 #include "asm/arch/page.h"
+#include "asm/bug.h"
 
-#undef BUG
-#undef PAGE_BUG
 #undef __pa
 #undef __va
 #undef pfn_to_page
@@ -23,20 +22,6 @@ extern unsigned long uml_physmem;
 #define PAGE_OFFSET (uml_physmem)
 #define KERNELBASE PAGE_OFFSET
 
-#ifndef __ASSEMBLY__
-
-extern void stop(void);
-
-#define BUG() do { \
-	panic("kernel BUG at %s:%d!\n", __FILE__, __LINE__); \
-} while (0)
-
-#define PAGE_BUG(page) do { \
-	BUG(); \
-} while (0)
-
-#endif /* __ASSEMBLY__ */
-
 #define __va_space (8*1024*1024)
 
 extern unsigned long region_pa(void *virt);