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2007-06-26[IA64] is_power_of_2-ia64/mm/hugetlbpage.cvignesh babu
Replacing (n & (n-1)) in the context of power of 2 checks with is_power_of_2 Signed-off-by: vignesh babu <vignesh.babu@wipro.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
2007-06-26[MIPS] Count timer interrupts correctly.Chris Dearman
Signed-off-by: Chris Dearman <chris@mips.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-06-26[MIPS] SMTC and non-SMTC kernel and modules are incompatibleRalf Baechle
So don't allow mixing. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-06-26[MIPS] EMMA2RH: Disable GEN_RTC, it can't possibly work.Ralf Baechle
Neither rtc_mips_get_time nor rtc_mips_set_time are being initialized by the EMMA2RH setup code, so genrtc at best was a RTC dummy avoiding a few error messages but not providing actual functionality. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-06-26[MIPS] Remove a duplicated local variable in test_and_clear_bit()Atsushi Nemoto
Fix a sparse warning caused by 2c921d07f8c641e691b0dfd80a5cfe14c60ec489 include2/asm/bitops.h:313:23: warning: symbol 'res' shadows an earlier one include2/asm/bitops.h:309:16: originally declared here Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-06-26[MIPS] use compat_siginfo in rt_sigframe_n32Pavel Kiryukhin
Signed-off-by: Pavel Kiryukhin <vksavl@gmail.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-06-26[MIPS] 20K: Handle WAIT related bugs according to errata informationRalf Baechle
We used to avoid the WAIT entirely on the 20K but really only need to do this on early revs of the 20K. Without this a 20K was a bit of a power hog. Well, in the lower power power hog category ;-) Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-06-26[MIPS] AP/SP requires shadow registers, auto enable support.Ralf Baechle
Noticed by Chris Dearman (chris@mips.com). Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-06-26[MIPS] Fix pb1500 reg B accessYoichi Yuasa
au_readl() is correct here. Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-06-26[MIPS] Alchemy: Fix wrong castYoichi Yuasa
Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-06-26[MIPS] remove "support for" from system type entryYoichi Yuasa
Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-06-26[MIPS] add io_map_base to pci_controller on CobaltYoichi Yuasa
Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-06-26[MIPS] __ucmpdi2 arguments are unsigned long long.Ralf Baechle
Reported by Eugene Surovegin <ebs@ebshome.net>. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-06-25USB: ftdio_sio: New IPlus device IDLuiz Fernando N. Capitulino
Reported by Grzegorz Chimosz <gchimi@gmail.com> Signed-off-by: Luiz Fernando N. Capitulino <lcapitulino@mandriva.com.br> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2007-06-25USB: add new device id to option driverAlexander Gattin
Cc: Matthias Urlichs <smurf@smurf.noris.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2007-06-25USB: fix race leading to use after free in io_edgeportOliver Neukum
usb_unlink_urb() is asynchronous, therefore an URB's buffer may not be freed without waiting for the completion handler. This patch switches to usb_kill_urb(), which is synchronous. Thanks to Alan for making me look at the remaining users of usb_unlink_urb() Signed-off-by: Oliver Neukum <oneukum@suse.de> Signed-off-by: Al Borchers <alborchers@steinerpoint.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2007-06-25USB: usblcd doesn't limit memory consumption during writeOliver Neukum
usblcd currently has no way to limit memory consumption by fast writers. This is a security problem, as it allows users with write access to this device to drive the system into oom despite resource limits. Here's the fix taken from the modern skeleton driver. Signed-off-by: Oliver Neukum <oneukum@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2007-06-25USB: memory leak in iowarrior.cOliver Neukum
this is a classical memory leak in the ioctl handler. The buffer is simply never freed. This fixes it the obvious way. Signed-off-by: Oliver Neukum <oneukum@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2007-06-25USB: ti serial driver sleeps with spinlock heldOliver Neukum
you are submitting an URB with GFP_KERNEL holding a spinlock. In this case the spinlock can be dropped earlier. Signed-off-by: Oliver Neukum <oneukum@suse.de> Cc: Al Borchers <alborchers@steinerpoint.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2007-06-25USB: g_file_storage: call allow_signal()Oleg Nesterov
New changes in the signal-handling code require compensating changes in g_file_storage. This patch (as913) by Oleg Nesterov makes the code use allow_signal() instead of sigprocmask(). From: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2007-06-26[POWERPC] Fix subtle FP state corruption bug in signal return on SMPPaul Mackerras
This fixes a bug which can cause corruption of the floating-point state on return from a signal handler. If we have a signal handler that has used the floating-point registers, and it happens to context-switch to another task while copying the interrupted floating-point state from the user stack into the thread struct (e.g. because of a page fault, or because it gets preempted), the context switch code will think that the FP registers contain valid FP state that needs to be copied into the thread_struct, and will thus overwrite the values that the signal return code has put into the thread_struct. This can occur because we clear the MSR bits that indicate the presence of valid FP state after copying the state into the thread_struct. To fix this we just move the clearing of the MSR bits to before the copy. A similar potential problem also occurs with the Altivec state, and this fixes that in the same way. Signed-off-by: Paul Mackerras <paulus@samba.org>
2007-06-26[POWERPC] Fix VDSO gettimeofday() when called with NULL struct timevalTony Breeds
Consider the prototype for gettimeofday(): int gettimofday(struct timeval *tv, struct timezone *tz); Although it is valid to call with /either/ tv or tz being NULL, and the C version of sys_gettimeofday() supports this, the current version of gettimeofday() in the VDSO will SEGV if called with a NULL tv. This adds a check for tv being NULL so that it doesn't SEGV. Signed-off-by: Tony Breeds <tony@bakeyournoodle.com> Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
2007-06-26[POWERPC] Update defconfigsPaul Mackerras
Signed-off-by: Paul Mackerras <paulus@samba.org>
2007-06-26[POWERPC] Update g5_defconfigwill schmidt
Update the g5_defconfig with default settings. This is to keep things up to date, and specifically to ensure that the CONFIG_MACINTOSH_DRIVERS option is enabled. This also turns on CONFIG_MSI. Signed-off-by: Will Schmidt <will_schmidt@vnet.ibm.com> cc: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
2007-06-25fix nmi_watchdog=2 bootup hangBjörn Steinbrink
wrmsrl() is broken, dropping the upper 32bits of the value to be written. This broke the NMI watchdog on AMD hardware. (and it probably broke other code too.) Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-06-25[ARM] 4449/1: more entries in arch/arm/boot/.gitignoreNicolas Pitre
Signed-off-by: Nicolas Pitre <npitre@mvista.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2007-06-25[ARM] 4452/1: Force the literal pool dump before reloc_endCatalin Marinas
In the arch/arm/boot/compressed/head.S file, the contents of the literal pool accumulated during the relocatable code must be dumped before reloc_end. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2007-06-24Linus 2.6.22-rc6Linus Torvalds
2007-06-24FUTEX: Restore the dropped ERSCH fixThomas Gleixner
The return value of futex_find_get_task() needs to be -ESRCH in case that the search fails. This was part of the original futex fixes and got accidentally dropped, when the futex-tidy-up patch was split out. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@elte.hu> Cc: Stable Team <stable@kernel.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-06-24Merge branch 'master' of ↵Linus Torvalds
master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 * 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6: [NET]: Make skb_seq_read unmap the last fragment [NET]: Re-enable irqs before pushing pending DMA requests [TCP] tcp_read_sock: Allow recv_actor() return return negative error value. [PPP]: Fix osize too small errors when decoding mppe. [PPP]: Revert 606f585e363527da9feaed79465132c0c661fd9e [TIPC]: Fix infinite loop in netlink handler [SKBUFF]: Fix incorrect config #ifdef around skb_copy_secmark [IPV4]: include sysctl.h from inetdevice.h [IPV6] NDISC: Fix thinko to control Router Preference support. [NETFILTER]: nfctnetlink: Don't allow to change helper [NETFILTER]: nf_conntrack_sip: add missing message types containing RTP info
2007-06-24ACPI: preserve the ebx value in acpi_copy_wakeup_routineTian Kevin
Register %ebx serves as the "global offset table base register" for position-independent code. For absolute code, %ebx serves as a local register and has no specified role in the function calling sequence. In either case, a function must preserve the register value for the caller. acpi_copy_wakeup_routine overrides %ebx without saving it, this may corrupt the called data. Kevin found that most time the value of Sx is saved in %esi, however sometimes compiler also uses %ebx. When this happens, suspends fails since sleep value in ebx is changed by acpi_copy_wakeup_routine. The same funtion in X86_64 doesn't have this problem. Signed-off-by: Zhang Rui <rui.zhang@intel.com> Looks-okay-to: Pavel Machek <pavel@ucw.cz> Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Cc: Len Brown <lenb@kernel.org> Acked-by: Andi Kleen <ak@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-06-24ext4: lost brelse in ext4_read_inode()Kirill Korotaev
One of error path in ext4_read_inode() leaks bh since brelse is forgoten. Signed-off-by: Kirill Korotaev <dev@openvz.org> Acked-by: Vasily Averin <vvs@sw.ru> Cc: Theodore Ts'o <tytso@mit.edu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-06-24ext3: lost brelse in ext3_read_inode()Kirill Korotaev
One of error path in ext3_read_inode() leaks bh since brelse is forgoten. Signed-off-by: Kirill Korotaev <dev@openvz.org> Acked-by: Vasily Averin <vvs@sw.ru> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-06-24audit: fix oops removing watch if audit disabledTony Jones
Removing a watched file will oops if audit is disabled (auditctl -e 0). To reproduce: - auditctl -e 1 - touch /tmp/foo - auditctl -w /tmp/foo - auditctl -e 0 - rm /tmp/foo (or mv) Signed-off-by: Tony Jones <tonyj@suse.de> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-06-24ext2: disallow setting xip on remountCarsten Otte
Yan Zheng pointed out that ext2_remount lacks checking if -o xip should be enabled or not. This patch checks for presence of direct_access on the backing block device and if the blocksize meets the requirements. Signed-off-by: Carsten Otte <cotte@de.ibm.com> Cc: Yan Zheng <yanzheng@21cn.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-06-24x86_64: fix misplaced `continue' in mce.cJoshua Wise
Background: When a userspace application wants to know about machine check events, it opens /dev/mcelog and does a read(). Usually, we found that this interface works well, but in some cases, when the system was taking large numbers of machine check exceptions, the read() would hang. The system would output a soft-lockup warning, and the daemon reading from /dev/mcelog would suck up as much of a single CPU as it could spinning in system space. Description: This patch fixes this bug. In particular, there was a "continue" inside a timeout loop that presumably was intended to break out of the outer loop, but instead caused the inner loop to continue. This patch also makes the condition for the break-out a little more evident by changing a !time_before to a time_after_eq. Result: The read() no longer hangs in this test case. Testing: On my system, I could replicate the bug with the following command: # for i in `seq 15000`; do ./inject_sbe.sh; done where inject_sbe.sh contains commands to inject a single-bit error into the next memory write transaction. Patch: This patch is against git f1518a088bde6aea49e7c472ed6ab96178fcba3e. Signed-off-by: Joshua Wise <jwise@google.com> Signed-off-by: Tim Hockin <thockin@google.com> Cc: Andi Kleen <ak@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-06-24update checkpatch.pl to version 0.06Andy Whitcroft
Update to checkpatch.pl v0.06. Of note: - do { and else handled correctly as control structures for { matching - trailing whitespace correctly tripped when line otherwise empty - support for const, including const foo * const bar - multiline macros defining values correctly reported This version of checkpatch.pl can be found at the following URL: http://www.kernel.org/pub/linux/kernel/people/apw/checkpatch/checkpatch.pl-0.06 Full Changelog: Andy Whitcroft (14): Version: 0.06 cleanup the Type regular expression declarations fix up block counting end of line counts as a space for ++ and -- do { needs the same checks as if, for et al handle "const foo * const a" as a valid type add spacing checks following ; complete whitespace lines should trip trailing whitespace check else is also a block control structure badly formatted else can trip function declaration detect and report trailing statements after else types need to be terminated by a boundary multiline macros defining values should be surrounded by parentheses soften the wording of the Signed-off-by: warnings Signed-off-by: Andy Whitcroft <apw@shadowen.org> Cc: "Randy.Dunlap" <rdunlap@xenotime.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-06-24slab allocators: MAX_ORDER one off fixChristoph Lameter
MAX_ORDER is the first order that is not possible. Use MAX_ORDER - 1 to calculate the larges possible object size in slab.h Signed-off-by: Christoph Lameter <clameter@sgi.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-06-24document nlink functionDave Hansen
These should have been documented from the beginning. Fix it. Signed-off-by: Dave Hansen <haveblue@us.ibm.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Christoph Hellwig <hch@lst.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-06-24"volatile considered harmful"Jonathan Corbet
Encourage developers to avoid the volatile type class in kernel code. Signed-off-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-06-24uml: add asm/paravirt.hJeff Dike
Add asm-um/paravirt.h so that i386 headers that get pulled into UML don't cause build failures when they want asm/paravirt.h. Signed-off-by: Jeff Dike <jdike@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-06-24uml: use generic BUGNick Piggin
Get UML to use the generic bug support rather than arch specific one. If I insert an artificial bug right before loading init, I get this: Kernel panic - not syncing: Kernel mode signal 4 EIP: 0023:[<0819d501>] CPU: 0 Not tainted ESP: 002b:f7fd4fbc EFLAGS: 00000246 Not tainted EAX: 00000000 EBX: 00007870 ECX: 00000013 EDX: 00007870 ESI: 0000786d EDI: 00000011 EBP: f7fd4fd8 DS: 002b ES: 002b 08273bec: [<0806e814>] show_regs+0x104/0x106 08273c08: [<08058927>] panic_exit+0x2c/0x4b 08273c18: [<08080ee7>] notifier_call_chain+0x32/0x5b 08273c38: [<08080fbd>] __atomic_notifier_call_chain+0x30/0x32 08273c54: [<08080fee>] atomic_notifier_call_chain+0x2f/0x31 08273c70: [<08073b88>] panic+0x75/0x131 08273c94: [<080586c7>] relay_signal+0x87/0x95 08273cb0: [<0806b9ee>] sig_handler_common_skas+0x9e/0x120 08273cd8: [<08067738>] sig_handler+0x28/0x4f 08273cec: [<0806792e>] handle_signal+0x53/0x89 08273d0c: [<08069f60>] hard_handler+0x18/0x28 08273d1c: [<ffffe500>] transitions+0xf7d598b8/0xfffffff0 With this patch in place, this is how it looks: BUG: failure at init/main.c:779/init_post()! Kernel panic - not syncing: BUG! EIP: 0023:[<081a65d1>] CPU: 0 Not tainted ESP: 002b:f7f0dfbc EFLAGS: 00000246 Not tainted EAX: 00000000 EBX: 000069db ECX: 00000013 EDX: 000069db ESI: 000069d8 EDI: 00000011 EBP: f7f0dfd8 DS: 002b ES: 002b 098efedc: [<0806e9a4>] show_regs+0x104/0x106 098efef8: [<080589c7>] panic_exit+0x2c/0x4b 098eff08: [<080818d7>] notifier_call_chain+0x32/0x5b 098eff28: [<080819ad>] __atomic_notifier_call_chain+0x30/0x32 098eff44: [<080819de>] atomic_notifier_call_chain+0x2f/0x31 098eff60: [<08073f28>] panic+0x75/0x131 098eff84: [<080541d5>] init_post+0xcd/0xe8 098eff9c: [<08048ad4>] kernel_init+0x8e/0x9a 098effb4: [<08066dee>] run_kernel_thread+0x41/0x53 098effe0: [<08058e75>] new_thread_handler+0x62/0x8b 098efffc: [<a55a5a5a>] 0xa55a5a5a [ jdike - added BUG_TABLE to linker script ] Signed-off-by: Nick Piggin <npiggin@suse.de> Signed-off-by: Jeff Dike <jdike@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-06-24Char: stallion, fix oops during init with ISA cardsIngo Korb
The stallion driver oopses while initializing ISA cards due to an uninitialized variable. This patch changes the initialisation order to match the PCI code path. Signed-off-by: Ingo Korb <ml@akana.de> Acked-by: Jiri Slaby <jirislaby@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-06-24alpha: fix alignment problem in csum_ipv6_magic()Ivan Kokshaysky
Hopefully this fixes http://bugzilla.kernel.org/show_bug.cgi?id=8635 The struct in6_addr passed to csum_ipv6_magic() is 4 byte aligned, so we can't use the regular 64-bit loads. Since the cost of handling of 4 byte and 1 byte aligned 64-bit data is roughly the same, this code can cope with any src/dst [mis]alignment. Signed-off-by: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Cc: Richard Henderson <rth@twiddle.net> Cc: Dustin Marquess <jailbird@alcatraz.fdf.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-06-24update checkpatch.pl to version 0.05Andy Whitcroft
This version brings a some new tests, and a host of changes to fix false positives, of particular note: - detect 'var ++;' and 'var --;' as a bad combination - multistatement #defines are now checked based on statement count - multistatement #defines with initialisation correctly reported - checks the location of the inline keywords - EXPORT_SYMBOL for variables are now understood - typedefs are loosened to handle sparse etc This version of checkpatch.pl can be found at the following URL: http://www.shadowen.org/~apw/public/checkpatch/checkpatch.pl-0.05 Full Changelog: Andy Whitcroft (18): Version: 0.05 macro definition checks should be for a single statement avoid assignements only in if conditionals declarations of function pointers need no space multiline macros which are purely initialisation cannot be wrapped EXPORT_SYMBOL can also directly follow a variable definition check on the location of the inline keyword EXPORT_SYMBOL needs to allow for attributes ensure we do not find C99 // in strings handle malformed #include lines accept the {0,} form typedefs are sensible for defining function pointer parameters ensure { handling correctly handles nested switch() statements trailing whitespace checks are not anchored typedefs for sparse bitwise annotations make sense update the type matcher to include sparse annotations clean up indent and spacing Signed-off-by: Andy Whitcroft <apw@shadowen.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-06-24sched: fix next_interval determination in idle_balance()Christoph Lameter
The intervals of domains that do not have SD_BALANCE_NEWIDLE must be considered for the calculation of the time of the next balance. Otherwise we may defer rebalancing forever. Siddha also spotted that the conversion of the balance interval to jiffies is missing. Fix that to. From: Srivatsa Vaddagiri <vatsa@linux.vnet.ibm.com> also continue the loop if !(sd->flags & SD_LOAD_BALANCE). Tested-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> It did in fact trigger under all three of mainline, CFS, and -rt including CFS -- see below for a couple of emails from last Friday giving results for these three on the AMD box (where it happened) and on a single-quad NUMA-Q system (where it did not, at least not with such severity). Signed-off-by: Christoph Lameter <clameter@sgi.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-06-24SLUB: fix behavior if the text output of list_locations overflows PAGE_SIZEChristoph Lameter
If slabs are allocated or freed from a large set of call sites (typical for the kmalloc area) then we may create more output than fits into a single PAGE and sysfs only gives us one page. The output should be truncated. This patch fixes the checks to do the truncation properly. Signed-off-by: Christoph Lameter <clameter@sgi.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-06-24SM501: Check SM501 ID register on initialisationBen Dooks
When binding the driver, check the ID register for a valid identity, in case the SM501 is not functioning correctly. Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-06-24SM501: Add Documentation/SM501.txtBen Dooks
Add documentation for the SM501 in Documentation/SM501.txt outlining the SM501 driver. Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-06-24SM501: Clock updates and checksBen Dooks
Ensure that the M1XCLK and MCLK are sourced from the same PLL (and refuse to bind the driver if they are not). Update the PCI to safe initialisation values, as 72MHz is the maximum clock for 33MHz PCI bus mastering. Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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