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2009-03-14x86: entry_32.S fix compile warnings - fix work mask bit widthJaswinder Singh Rajput
Fix: arch/x86/kernel/entry_32.S:446: Warning: 00000000080001d1 shortened to 00000000000001d1 arch/x86/kernel/entry_32.S:457: Warning: 000000000800feff shortened to 000000000000feff arch/x86/kernel/entry_32.S:527: Warning: 00000000080001d1 shortened to 00000000000001d1 arch/x86/kernel/entry_32.S:541: Warning: 000000000800feff shortened to 000000000000feff arch/x86/kernel/entry_32.S:676: Warning: 0000000008000091 shortened to 0000000000000091 TIF_SYSCALL_FTRACE is 0x08000000 and until now we checked the first 16 bits of the work mask - bit 27 falls outside of that. Update the entry_32.S code to check the full 32-bit mask. [ %cx => %ecx fix from Cyrill Gorcunov <gorcunov@gmail.com> ] Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: "H. Peter Anvin" <hpa@kernel.org> LKML-Reference: <1237012693.18733.3.camel@ht.satnam> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-03-14x86: cpu/common.c cleanupsJaswinder Singh Rajput
- fix various style problems - declare varibles before they get used - introduced clear_all_debug_regs - fix header files issues LKML-Reference: <1237009789.4387.2.camel@localhost.localdomain> Signed-off-by: Jaswinder Singh Rajput <jaswinder@kernel.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-03-13mv643xx_eth: fix unicast address filter corruption on mtu changeLennert Buytenhek
When mv643xx_eth_open() is called to up an interface, port_start() will first re-program the unicast address filter, and then re-initialise the PORT_CONFIG register, but that will disable unicast promiscuous mode if it was enabled by the unicast address filter setup. This isn't a problem on ifconfig up, as ->set_rx_mode() will be called shortly afterwards which will program the filters again, but it does trigger when changing the MTU, which calls mv643xx_eth_stop() and then mv643xx_eth_open() by hand to repopulate the receive rings with skbuffs of the new size. Swap the initialisation of the PORT_START register and the call to the unicast filter setup function to fix this. Signed-off-by: Lennert Buytenhek <buytenh@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-03-13MIPS: Mark Eins: Fix configuration.Ralf Baechle
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2009-03-13MIPS: Fix TIF_32BIT undefined problem when seccomp is disabledZhang Le
Signed-off-by: Zhang Le <r0bertz@gentoo.org> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2009-03-13xfrm: Fix xfrm_state_find() wrt. wildcard source address.David S. Miller
The change to make xfrm_state objects hash on source address broke the case where such source addresses are wildcarded. Fix this by doing a two phase lookup, first with fully specified source address, next using saddr wildcarded. Reported-by: Nicolas Dichtel <nicolas.dichtel@dev.6wind.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-03-13emac: Fix clock control for 405EX and 405EXr chipsBenjamin Herrenschmidt
The EMAC variant in the 405EX and 405EXr chips needs the "440EP" type clock control workaround to avoid lockups of the Rx side during reset. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Tested-by: Felix Radensky <felix@embedded-sol.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-03-13ixgbe: fix multiple unicast address supportChris Leech
Multiple unicast address support appears to have been broken with the change to support net_device_ops. This a regression from 2.6.28 to 2.6.29. I'm not 100% on whether ndo_set_multicast_list can be NULL after this or not. If ndo_set_rx_mode is set everything _should_ be using it. Signed-off-by: Chris Leech <christopher.leech@intel.com> Acked-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-03-13via-velocity: Fix DMA mapping length errors on transmit.Dave Jones
From: Dave Jones <davej@redhat.com> The dma-debug changes caught that this driver uses the wrong DMA mapping length when skb_padto() does something. With suggestions from Eric Dumazet. Signed-off-by: David S. Miller <davem@davemloft.net>
2009-03-13ide: save the returned value of dma_map_sgFUJITA Tomonori
dma_map_sg could return a value different to 'nents' argument of dma_map_sg so the ide stack needs to save it for the later usage (e.g. for_each_sg). The ide stack also needs to save the original sg_nents value for pci_unmap_sg. Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> [bart: backport to Linus' tree] Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-03-13ide-floppy: do not map dataless cmds to an sgBorislav Petkov
since it fails the virt_to_page() translation check with DEBUG_VIRTUAL enabled. Signed-off-by: Borislav Petkov <petkovbb@gmail.com> [bart: backport to Linus' tree] Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-03-13ata_piix: add workaround for Samsung DB-P70Tejun Heo
Samsung DB-P70 somehow botched the first ICH9 SATA port. The board doesn't expose the first port but somehow SStatus reports link online while failing SRST protocol leading to repeated probe failures and thus long boot delay. Because the BIOS doesn't carry any identifying DMI information, the port can't be blacklisted safely. Fortunately, the controller does have subsystem vendor and ID set. It's unclear whether the subsystem IDs are used only for the board but it can be safely worked around by disabling SIDPR access and just using SRST works around the problem. Even when the workaround is triggered on an unaffected board the only side effect will be missing SCR access. Signed-off-by: Tejun Heo <tj@kernel.org> Reported-by: Joseph Jang <josephjang@gmail.com> Reported-by: Jonghyon Sohn <mrsohn@gmail.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2009-03-13libata: Keep shadow last_ctl up to date during resetsStuart MENEFY
libata keeps a shadow copy of the ATA CTL register (which is write only), and only writes to the hardware when the required value doesn't match the shadow. However this copy wasn't being maintained when performing reset functions. This could cause problems for the first operation after a reset when the correct value might not be written to the CTL register. This problem was observed when hotplugging a drive: the identify command was being issued with interrupts enabled, when they should have been disabled. Signed-off-by: Stuart Menefy <stuart.menefy@st.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2009-03-13sata_mv: fix MSI irq race conditionMark Lord
Fix a (rare) race condition in mv_interrupt() when using MSI. The value of hpriv->main_irq_mask_addr can change on on the fly, and without this patch we could end up writing back a stale copy to the hardware. Signed-off-by: Mark Lord <mlord@pobox.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2009-03-13qlge: bugfix: Pad outbound frames smaller than 60 bytes.Ron Mercer
With some asic configurations xmit of frames smaller than 60 bytes may fail. Signed-off-by: Ron Mercer <ron.mercer@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-03-13qlge: bugfix: Move netif_napi_del() to common call point.Ron Mercer
Moving netif_napi_del() up the call chain so it will get called from all exit points. Signed-off-by: Ron Mercer <ron.mercer@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-03-13qlge: bugfix: Tell hw to strip vlan header.Ron Mercer
Signed-off-by: Ron Mercer <ron.mercer@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-03-13qlge: bugfix: Increase filter on inbound csum.Ron Mercer
Chip does not do UDP checksum when fragmentation occurs. Signed-off-by: Ron Mercer <ron.mercer@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-03-13dnet: replace obsolete *netif_rx_* functions with *napi_*Ilya Yanok
*netif_rx_* functions is obsolete and removed in newer kernels so we need to use corresponding *napi_* functions instead. Signed-off-by: Ilya Yanok <yanok@emcraft.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-03-13V4L/DVB (10978): Report tuning algorith correctlyMatthias Schwarzzot
Signed-off-by: Manu Abraham <manu@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2009-03-13V4L/DVB (10977): STB6100 init fix, the call to stb6100_set_bandwidth needs ↵Hans Werner
an argument in Hz not kHz, and a comment incorrectly says MHz instead of Hz. I don't know if this caused real problems anywhere Signed-off-by: Manu Abraham <manu@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2009-03-13V4L/DVB (10976): Bug fix: For legacy applications stv0899 performs search ↵Igor M. Liplianin
only first time after insmod. For legacy applications stv0899 performs search only first time after insmod due to not set DVBFE_ALGO_SEARCH_AGAIN bit Signed-off-by: Igor M. Liplianin <liplianin@me.by> Signed-off-by: Manu Abraham <manu@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2009-03-13V4L/DVB (10975): Bug: Use signed types, Offsets and range can be negativeManu Abraham
Code simplification: use in kernel macros Signed-off-by: Manu Abraham <manu@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2009-03-13V4L/DVB (10974): Use Diseqc 3/3 mode to send dataSigmund Augdal
Signed-off-by: Sigmund Augdal <sigmund@snap.tv> Signed-off-by: Manu Abraham <manu@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2009-03-13Merge branch 'x86/core' into x86/kconfigIngo Molnar
2009-03-13x86: disable __do_IRQ supportThomas Gleixner
Impact: disable unused code x86 is fully converted to flow handlers. No need to keep the deprecated __do_IRQ() support active. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2009-03-13x86: ptrace, bts: fix an unreachable statementAmérico Wang
Commit c2724775ce57c98b8af9694857b941dc61056516 put a statement after return, which makes that statement unreachable. Move that statement before return. Signed-off-by: WANG Cong <xiyou.wangcong@gmail.com> Cc: Roland McGrath <roland@redhat.com> Cc: Markus Metzger <markus.t.metzger@intel.com> LKML-Reference: <20090313075622.GB8933@hack> Cc: <stable@kernel.org> # .29 only Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-03-13x86: mtrr: don't modify RdDram/WrDram bits of fixed MTRRsAndreas Herrmann
Impact: bug fix + BIOS workaround BIOS is expected to clear the SYSCFG[MtrrFixDramModEn] on AMD CPUs after fixed MTRRs are configured. Some BIOSes do not clear SYSCFG[MtrrFixDramModEn] on BP (and on APs). This can lead to obfuscation in Linux when this bit is not cleared on BP but cleared on APs. A consequence of this is that the saved fixed-MTRR state (from BP) differs from the fixed-MTRRs of APs -- because RdDram/WrDram bits are read as zero when SYSCFG[MtrrFixDramModEn] is cleared -- and Linux tries to sync fixed-MTRR state from BP to AP. This implies that Linux sets SYSCFG[MtrrFixDramEn] and activates those bits. More important is that (some) systems change these bits in SMM when ACPI is enabled. Hence it is racy if Linux modifies RdMem/WrMem bits, too. (1) The patch modifies an old fix from Bernhard Kaindl to get suspend/resume working on some Acer Laptops. Bernhard's patch tried to sync RdMem/WrMem bits of fixed MTRR registers and that helped on those old Laptops. (Don't ask me why -- can't test it myself). But this old problem was not the motivation for the patch. (See http://lkml.org/lkml/2007/4/3/110) (2) The more important effect is to fix issues on some more current systems. On those systems Linux panics or just freezes, see http://bugzilla.kernel.org/show_bug.cgi?id=11541 (and also duplicates of this bug: http://bugzilla.kernel.org/show_bug.cgi?id=11737 http://bugzilla.kernel.org/show_bug.cgi?id=11714) The affected systems boot only using acpi=ht, acpi=off or when the kernel is built with CONFIG_MTRR=n. The acpi options prevent full enablement of ACPI. Obviously when ACPI is enabled the BIOS/SMM modfies RdMem/WrMem bits. When CONFIG_MTRR=y Linux also accesses and modifies those bits when it needs to sync fixed-MTRRs across cores (Bernhard's fix, see (1)). How do you synchronize that? You can't. As a consequence Linux shouldn't touch those bits at all (Rationale are AMD's BKDGs which recommend to clear the bit that makes RdMem/WrMem accessible). This is the purpose of this patch. And (so far) this suffices to fix (1) and (2). I suggest not to touch RdDram/WrDram bits of fixed-MTRRs and SYSCFG[MtrrFixDramEn] and to clear SYSCFG[MtrrFixDramModEn] as suggested by AMD K8, and AMD family 10h/11h BKDGs. BIOS is expected to do this anyway. This should avoid that Linux and SMM tread on each other's toes ... Signed-off-by: Andreas Herrmann <andreas.herrmann3@amd.com> Cc: trenn@suse.de Cc: Yinghai Lu <yinghai@kernel.org> LKML-Reference: <20090312163937.GH20716@alberich.amd.com> Cc: <stable@kernel.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-03-13parisc: update defconfigsKyle McMartin
Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
2009-03-13parisc: define x->x mmio accessorsKyle McMartin
Bloody inconsiderate driver writers... Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
2009-03-13parisc: dino: struct device - replace bus_id with dev_name(), dev_set_name()Kay Sievers
Acked-by: Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
2009-03-13parisc: convert cpu_check_affinity to new cpumask apiKyle McMartin
cpumask arg to the affinity function is now const, sort that out through the irq_desc implementations. Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
2009-03-13parisc: convert (read|write)bwlq to inlinesKyle McMartin
Kills the 'value computed but not used' due to leX_to_cpu. Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
2009-03-13parisc: fix use of new cpumask api in irq.cKyle McMartin
cpumask api needs to take a pointer to irq_desc[cpu].affinity Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
2009-03-13parisc: update parisc for new irq_descMike Travis
Impact: cleanup, update to new cpumask API Irq_desc.affinity and irq_desc.pending_mask are now cpumask_var_t's so access to them should be using the new cpumask API. Signed-off-by: Mike Travis <travis@sgi.com> Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
2009-03-13parisc: update MAINTAINERSGrant Grundler
Signed-off-By: Grant Grundler <grundler@parisc-linux.org> Reviewed-by: Matthew Wilcox <matthew@wil.cx> Acked-by: Helge Deller <deller@gmx.de> Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
2009-03-13parisc: fix wrong assumption about bus->selfGrant Grundler
Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com> posted a patch series to linux-pci to fix a wrong assumption about pci_bus->self==NULL for all PCI host bus controllers. While PARISC platforms to not behave this way, I prefer to have the code consistent across architectures. The following patch replaces pci_bus->self with pci_bus->parent when used as a test to check for "root bus controller". Signed-off-by: Grant Grundler <grundler@parisc-linux.org> Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
2009-03-13parisc: fix 64bit buildHelge Deller
Signed-off-by: Helge Deller <deller@gmx.de> Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
2009-03-13parisc: add braces around arguments in assembler macrosHelge Deller
Add braces around the macro arguments, else for example "shl %r1, 5-3, %r2" would not expand to what you would assume. Signed-off-by: Helge Deller <deller@gmx.de> Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
2009-03-13parisc: fix dev_printk() compile warnings for accessing a device structHelge Deller
Fix compile warnings: drivers/scsi/zalon.c: In function `zalon_probe': drivers/scsi/zalon.c:140: warning: passing arg 1 of `dev_driver_string' from incompatible pointer type drivers/scsi/zalon.c:140: warning: passing arg 1 of `dev_name' from incompatible pointer type Signed-off-by: Helge Deller <deller@gmx.de> Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
2009-03-13parisc: remove unused local out_putf labelHelge Deller
Signed-off-by: Helge Deller <deller@gmx.de> Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
2009-03-13parisc: fix `struct pt_regs' declared inside parameter list warningHelge Deller
Fix those compile warnings: uaccess.h:244: warning: `struct pt_regs' declared inside parameter list uaccess.h:244: warning: its scope is only this definition or declaration, which is probably not what you want Signed-off-by: Helge Deller <deller@gmx.de> Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
2009-03-13parisc: fix section mismatch warningsHelge Deller
Signed-off-by: Helge Deller <deller@gmx.de> Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
2009-03-13parisc: remove klist iteratorsJames Bottomley
commit 11c3b5c3e08f4d855cbef52883c266b9ab9df879 Author: Greg Kroah-Hartman <gregkh@suse.de> Date: Tue Dec 16 12:24:56 2008 -0800 driver core: move klist_children into private structure Broke our parisc build pretty badly because we touch the klists directly in three cases (AGP, SBA and GSC). Although GregKH will revert this patch, there's no reason we should be using the iterators directly, we can just move to the standard device_for_each_child() API. Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com> Tested-by: Helge Deller <deller@gmx.de> Tested-by: Kyle McMartin <kyle@mcmartin.ca> Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
2009-03-13parisc: BUG_ON() cleanupHelge Deller
- convert a few "if (xx) BUG();" to BUG_ON(xx) - remove a few printk()s, as we get a backtrace with BUG_ON() anyway Signed-off-by: Helge Deller <deller@gmx.de> Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
2009-03-13x86: fix e820_update_range()Yinghai Lu
Impact: fix left range size on head | commit 5c0e6f035df983210e4d22213aed624ced502d3d | x86: fix code paths used by update_mptable | Impact: fix crashes under Xen due to unrobust e820 code fixes one e820 bug, but introduces another bug. Need to update size for left range at first in case it is header. also add __e820_add_region take more parameter. Signed-off-by: Yinghai Lu <yinghai@kernel.org> Cc: jbeulich@novell.com LKML-Reference: <49B9E286.502@kernel.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-03-13V4L/DVB (10972): zl10353: i2c_gate_ctrl bug fixAntti Palosaari
zl10353 i2c-gate was always closed and due to that devices having tuner behind i2c-gate were broken. Add module configuration which allows disabling i2c-gate only when really needed. Signed-off-by: Antti Palosaari <crope@iki.fi> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2009-03-13cpuacct: reduce one NULL check in fast-pathLi Zefan
Impact: micro-optimization In cpuacct_charge(), task_ca() will never return NULL, so change for(...) to do { } while(...) to save one NULL check. Signed-off-by: Li Zefan <lizf@cn.fujitsu.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Paul Menage <menage@google.com> Cc: Balbir Singh <balbir@linux.vnet.ibm.com> Cc: Bharata B Rao <bharata@linux.vnet.ibm.com> LKML-Reference: <49B863F5.2060400@cn.fujitsu.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-03-13VM, x86, PAT: Change is_linear_pfn_mapping to not use vm_pgoffPallipadi, Venkatesh
Impact: fix false positive PAT warnings - also fix VirtalBox hang Use of vma->vm_pgoff to identify the pfnmaps that are fully mapped at mmap time is broken. vm_pgoff is set by generic mmap code even for cases where drivers are setting up the mappings at the fault time. The problem was originally reported here: http://marc.info/?l=linux-kernel&m=123383810628583&w=2 Change is_linear_pfn_mapping logic to overload VM_INSERTPAGE flag along with VM_PFNMAP to mean full PFNMAP setup at mmap time. Problem also tracked at: http://bugzilla.kernel.org/show_bug.cgi?id=12800 Reported-by: Thomas Hellstrom <thellstrom@vmware.com> Tested-by: Frans Pop <elendil@planet.nl> Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com> Signed-off-by: Suresh Siddha <suresh.b.siddha>@intel.com> Cc: Nick Piggin <npiggin@suse.de> Cc: "ebiederm@xmission.com" <ebiederm@xmission.com> Cc: <stable@kernel.org> # only for 2.6.29.1, not .28 LKML-Reference: <20090313004527.GA7176@linux-os.sc.intel.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-03-12Linus 2.6.29-rc8v2.6.29-rc8Linus Torvalds
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