- 13 Mar, 2008 7 commits
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Jan Nikitenko authored
SPI controller drivers return number of bytes actually transfered from bitbang->txrx_bufs() method. This updates handling of short transfers (where the transfer size is less than requested): - Even zero byte short transfers should report errors; - Include short transfers in the total of transferred bytes; - Use EREMOTEIO (like USB) not EMSGSIZE to report short transfers Short transfers don't normally mean invalid message sizes, but if the underlying controller driver needs to use EMSGSIZE it can still do so. [db: fix two more minor issues] Signed-off-by:
Jan Nikitenko <jan.nikitenko@gmail.com> Signed-off-by:
David Brownell <dbrownell@users.sourceforge.net> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Jan Nikitenko authored
Remove struct pt_regs *regs from prototype of au1550_spi_irq handler to avoid warning in request_irq(). Also fix comment type leadin. Signed-off-by:
David Brownell <david-b@pacbell.net> Signed-off-by:
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Yoshinori Sato authored
Al Viro wrote: > > After that commit in asm-h8300/uaccess.h we have > > #define get_user(x, ptr) \ > ({ \ > int __gu_err = 0; \ > uint32_t __gu_val = 0; \ > ^^^^^^^^^^^^^^^^^ > switch (sizeof(*(ptr))) { \ > case 1: \ > case 2: \ > case 4: \ > __gu_val = *(ptr); \ > break; \ > case 8: \ > memcpy(&__gu_val, ptr, sizeof (*(ptr))); \ > ^^^^^^^^^^^^^^^^ > > which, of course, is FUBAR whenever we actually hit that case - memcpy of > 8 bytes into uint32_t is obviously wrong. Why don't we simply do Cc: Al Viro <viro@ZenIV.linux.org.uk> Signed-off-by:Yoshinori Sato <ysato@users.sourceforge.jp> Signed-off-by:
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Marcelo Tosatti authored
Fix pagemap_read() error handling by releasing acquired resources and checking for get_user_pages() partial failure. Signed-off-by:
Marcelo Tosatti <mtosatti@redhat.com> Acked-by:
Matt Mackall <mpm@selenic.com> Signed-off-by:
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Ahmed S. Darwish authored
Smackfs write() implementation does not put a higher bound on the number of bytes to copy from user-space. This may lead to a DOS attack if a malicious `count' field is given. Assure that given `count' is exactly the length needed for a /smack/load rule. In case of /smack/cipso where the length is relative, assure that `count' does not exceed the size needed for a buffer representing maximum possible number of CIPSO 2.2 categories. Signed-off-by:
Ahmed S. Darwish <darwish.07@gmail.com> Acked-by:
Casey Schaufler <casey@schaufler-ca.com> Signed-off-by:
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Linus Torvalds authored
* master.kernel.org:/home/rmk/linux-2.6-arm: (26 commits) [ARM] 4856/1: Orion: initialise the sixth PCIe MBUS mapping window as well [ARM] 4855/1: Orion: use correct ethernet unit address range [ARM] 4853/1: include uImage target in make help [ARM] 4851/1: ns9xxx: fix size of gpiores [ARM] AT91: correct at91sam9263ek LCD power gpio pin [ARM] replace remaining __FUNCTION__ occurrences [ARM] 4850/1: include generic pgtable.h for !CONFIG_MMU case [ARM] 4849/1: move ATAGS asm definitions [ARM] 4848/1: at91: remove false lockdep warnings [ARM] 4847/1: kprobes: fix compilation with CONFIG_DEBUG_FS=y [ARM] include/asm-arm - use angle brackets for includes [ARM] 4845/1: Orion: Ignore memory tags with invalid data ARM: OMAP2: Register the L4 io bus to boot OMAP2 ARM: OMAP1: Compile in other 16xx boards to OSK defconfig ARM: OMAP1: Refresh H2 defconfig ARM: OMAP1: Refresh OSK defconfig ARM: OMAP: gpio lockdep updates ARM: OMAP1: omap1/pm.c build fix ARM: OMAP1: omap h2 regression fix ARM: OMAP1: Fix compile for boards depending on old gpio expander ...
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git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpcLinus Torvalds authored
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: (22 commits) [POWERPC] Fix large hash table allocation on Cell blades [POWERPC] Export empty_zero_page [POWERPC] Fix viodasd driver with scatterlist debug [POWERPC] Fix arch/powerpc/platforms/powermac/pic.c when !CONFIG_ADB_PMU [POWERPC] Fix drivers/macintosh/mediabay.c when !CONFIG_ADB_PMU [POWERPC] Fix undefined pmu_sys_suspended compilation error [POWERPC] Fix build of modular drivers/macintosh/apm_emu.c [POWERPC] Fix sleep on some powerbooks [POWERPC] Fix bogus test for unassigned PCI resources [POWERPC] Fix zImage-dtb.initrd build error [POWERPC] Add __ucmpdi2 for 64-bit comparisons in 32-bit kernels [POWERPC] spufs: fix rescheduling of non-runnable contexts [POWERPC] spufs: don't (ab)use SCHED_IDLE [POWERPC] QE: Make qe_get_firmware_info reentrant [POWERPC] 83xx: Make 83xx perfmon support selectable [PPC] 8xx: swap bug-fix [POWERPC] 85xx: sbc8548 - Fix incorrect PCI-X and PCI interrupt map [POWERPC] QE: Fix QE firmware uploading limit [POWERPC] 8xx: Fix wrapper platform for adder875, and combine defconfigs. [POWERPC] 8xx: fix swap ...
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- 12 Mar, 2008 33 commits
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Michael Ellerman authored
My recent hack to allocate the hash table under 1GB on cell was poorly tested, *cough*. It turns out on blades with large amounts of memory we fail to allocate the hash table at all. This is because RTAS has been instantiated just below 768MB, and 0-x MB are used by the kernel, leaving no areas that are both large enough and also naturally-aligned. For the cell IOMMU hack the page tables must be under 2GB, so use that as the limit instead. This has been tested on real hardware and boots happily. Signed-off-by:
Michael Ellerman <michael@ellerman.id.au> Signed-off-by:
Paul Mackerras <paulus@samba.org>
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Theodore Ts'o authored
Once again, this time with feeling.... - Ted >From c91cfaabc17f8a53807a2f31f067a732e34a1550 Mon Sep 17 00:00:00 2001 From: Theodore Ts'o <tytso@mit.edu> Date: Wed, 12 Mar 2008 11:50:39 -0400 Subject: Export empty_zero_page The empty_zero_page symbol is exported by most other architectures (s390, ia64, x86, um), and an upcoming ext4 patch needs it because ZERO_PAGE() references empty_zero_page, and we need it to zero out an unitialized extents in ext4 files. Signed-off-by:
"Theodore Ts'o" <tytso@mit.edu> Signed-off-by:
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Benjamin Herrenschmidt authored
The iSeries viodasd drivers does some very strange things with scatterlists, one of these causing a BUG_ON to trigger when scatterlist debugging is enabled due to initializing the scatterlist with memset instead of sg_init_table(). This fixes it by using sg_init_table(). The rest of the stuff it does to that poor list is still pretty awful but it will work. I may look into fixing things in a nicer way some other time. Signed-off-by:
Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by:
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Tony Breeds authored
When building arch/powerpc/platforms/powermac/pic.c when !CONFIG_ADB_PMU we get the following warnings: arch/powerpc/platforms/powermac/pic.c: In function 'pmacpic_find_viaint': arch/powerpc/platforms/powermac/pic.c:623: warning: label 'not_found' defined but not used This fixes it. Signed-off-by:
Tony Breeds <tony@bakeyournoodle.com> Signed-off-by:
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Tony Breeds authored
When building drivers/macintosh/mediabay.c if CONFIG_ADB_PMU isn't defined we get: drivers/built-in.o: In function `media_bay_step': mediabay.c:(.text+0x92b84): undefined reference to `pmu_suspend' mediabay.c:(.text+0x92c08): undefined reference to `pmu_resume' Create empty place holders in that scenario. Signed-off-by:
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Tony Breeds authored
pmu_sys_suspended is declared extern when: defined(CONFIG_PM_SLEEP) && defined(CONFIG_PPC32) but only defined when: defined(CONFIG_SUSPEND) && defined(CONFIG_PPC32) which is wrong. Let's fix that. Signed-off-by:
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Guido Guenther authored
Currently, if drivers/macintosh/apm_emu is a module and the config doesn't have CONFIG_SUSPEND we get: ERROR: "pmu_batteries" [drivers/macintosh/apm_emu.ko] undefined! ERROR: "pmu_battery_count" [drivers/macintosh/apm_emu.ko] undefined! ERROR: "pmu_power_flags" [drivers/macintosh/apm_emu.ko] undefined! on PPC32. The variables aren't wrapped in '#if defined(CONFIG_SUSPEND)' so we probably shouldn't wrap the exports either. This removes the CONFIG_SUSPEND part of the export, which fixes compilation on ppc32. Signed-off-by:
Guido Guenther <agx@sigxcpu.org> Signed-off-by:
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Benjamin Herrenschmidt authored
The PMU backlight code would kick in during sleep/resume even on machines that use a different backlight method. This breaks sleep on some PowerBooks. This fixes it by adding a flag to indicate whether the backlight is controlled by the PMU, and testing that before trying to use the PMU to turn off the backlight during sleep. Signed-off-by:
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Benjamin Herrenschmidt authored
A bogus test for unassigned resources that came from our 32-bit PCI code ended up being "merged" by my previous patch series, breaking some 64-bit setups where devices have legal resources ending at 0xffffffff. This fixes it by completely changing the test. We now test for res->start == 0, as the generic code expects, and we also only do so on platforms that don't have the PPC_PCI_PROBE_ONLY flag set, as there are cases of pSeries and iSeries where it could be a valid value and those can't reassign devices. Signed-off-by:
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Grant Likely authored
The pattern substitution rules were failing when used with zImage-dtb targets. If zImage-dtb.initrd was selected, the pattern substitution would generate "zImage.initrd-dtb" instead of "zImage-dtb.initrd" which caused the build to fail. This renames zImage-dtb to dtbImage to avoid the problem entirely. By not using the zImage prefix then is no potential for namespace collisions. Signed-off-by:
Grant Likely <grant.likely@secretlab.ca> Acked-by:
Geoff Levand <geoffrey.levand@am.sony.com> Signed-off-by:
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Paul Mackerras authored
Some drivers (such as V4L2) have code that causes gcc to generate calls to __ucmpdi2 when compiling for 32-bit powerpc, which results in either a link-time error or a module that can't be loaded, as we don't currently have a __ucmpdi2. This adds one so these drivers can be used. Signed-off-by: -
git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds authored
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (47 commits) [SCTP]: Fix local_addr deletions during list traversals. net: fix build with CONFIG_NET=n [TCP]: Prevent sending past receiver window with TSO (at last skb) rt2x00: Add new D-Link USB ID rt2x00: never disable multicast because it disables broadcast too libertas: fix the 'compare command with itself' properly drivers/net/Kconfig: fix whitespace for GELIC_WIRELESS entry [NETFILTER]: nf_queue: don't return error when unregistering a non-existant handler [NETFILTER]: nfnetlink_queue: fix EPERM when binding/unbinding and instance 0 exists [NETFILTER]: nfnetlink_log: fix EPERM when binding/unbinding and instance 0 exists [NETFILTER]: nf_conntrack: replace horrible hack with ksize() [NETFILTER]: nf_conntrack: add \n to "expectation table full" message [NETFILTER]: xt_time: fix failure to match on Sundays [NETFILTER]: nfnetlink_log: fix computation of netlink skb size [NETFILTER]: nfnetlink_queue: fix computation of allocated size for netlink skb. [NETFILTER]: nfnetlink: fix ifdef in nfnetlink_compat.h [NET]: include <linux/types.h> into linux/ethtool.h for __u* typedef [NET]: Make /proc/net a symlink on /proc/self/net (v3) RxRPC: fix rxrpc_recvmsg()'s returning of msg_name net/enc28j60: oops fix ...
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git://jdelvare.pck.nerim.net/jdelvare-2.6Linus Torvalds authored
* 'i2c-for-linus' of git://jdelvare.pck.nerim.net/jdelvare-2.6: i2c: chips subdirectory is deprecated i2c: Keep client->driver and client->dev.driver in sync i2c-amd756: Fix off-by-one
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git://ftp.linux-mips.org/pub/scm/upstream-linusLinus Torvalds authored
* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus: [MIPS] Clocksource: Only install r4k counter as clocksource if present. [MIPS] Lasat: fix LASAT_CASCADE_IRQ [MIPS] Delete leftovers of old pcspeaker support. [MIPS] BCM1480: Init pci controller io_map_base [MIPS] Yosemite: Fix a few more section reference bugs. [MIPS] Fix yosemite build error [MIPS] Fix loads of section missmatches [MIPS] IP27: Tighten up CPU description to fix warnings. [MIPS] Fix plat_ioremap for JMR3927 [MIPS] Export __ucmpdi2 to modules. [MIPS] Fix typo in comment [MIPS] Use KBUILD_DEFCONFIG [MIPS] Allow 48Hz to be selected if CONFIG_SYS_SUPPORTS_ARBIT_HZ is set. [MIPS] Added missing cases for rdhwr emulation [MIPS] Alchemy: Fix ids in Alchemy db dma device table
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Bjorn Helgaas authored
Some BIOSes have PNP motherboard devices with resources that partially overlap PCI BARs. The PNP system driver claims these motherboard resources, which prevents the normal PCI driver from requesting them later. This patch disables the PNP resources that conflict with PCI BARs so they won't be claimed by the PNP system driver. Of course, this only works if PCI devices have already been enumerated. Currently this is the case because PCI devices are discovered before any PNP init via this path: acpi_pci_root_init() -> acpi_pci_root_add() -> pci_acpi_scan_root() -> pci_scan_bus_parented() -> pci_scan_child_bus() -> ... Avuton Olrich tested this and confirmed that it fixes his ALSA sound card (see http://lkml.org/lkml/2008/1/27/168). References: https://bugzilla.redhat.com/show_bug.cgi?id=280641 https://bugzilla.redhat.com/show_bug.cgi?id=313491 http://lkml.org/lkml/2008/1/9/449 http://thread.gmane.org/gmane.linux.acpi.devel/27312 http://lkml.org/lkml/2008/1/27/168Signed-off-by:Bjorn Helgaas <bjorn.helgaas@hp.com> Signed-off-by:
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Bjorn Helgaas authored
There are other systems with similar problems (http://lkml.org/lkml/2008/1/27/168), so we need a more generic quirk. Remove the Supermicro-specific one first. Signed-off-by:
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Tom Tucker authored
The assertion that checks for sge context overflow is incorrectly hard-coded to 32. This causes a kernel bug check when using big-data mounts. Changed the BUG_ON to use the computed value RPCSVC_MAXPAGES. Signed-off-by:
Tom Tucker <tom@opengridcomputing.com> Signed-off-by:
J. Bruce Fields <bfields@citi.umich.edu> Signed-off-by:
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Tom Tucker authored
RDMA connection shutdown on an SMP machine can cause a kernel crash due to the transport close path racing with the I/O tasklet. Additional transport references were added as follows: - A reference when on the DTO Q to avoid having the transport deleted while queued for I/O. - A reference while there is a QP able to generate events. - A reference until the DISCONNECTED event is received on the CM ID Signed-off-by:
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Roland McGrath authored
Fixes: block/genhd.c:361: warning: ignoring return value of ‘class_register’, declared with attribute warn_unused_result Signed-off-by:
Roland McGrath <roland@redhat.com> Acked-by:
Jeff Garzik <jeff@garzik.org> Signed-off-by:
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David Woodhouse authored
It was all wrapped in '#ifdef CONFIG_BLOCK' anyway, so userspace was getting nothing useful out of it. And the special #ifndef __KERNEL__ version of 'struct partition' makes me inclined to promote an attitude of violence... Stick some comments on some of the #endifs too, while we're at it. Signed-off-by:
David Woodhouse <dwmw2@infradead.org> Signed-off-by:
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Paul Mundt authored
Introduced in commit-id 9e2779fa and ifdef'ed out for nommu in 8ca3ed87, both approaches end up breaking the nommu build in different ways. An impressive feat for a 2-liner. Current is_vmalloc_addr() users fall in to two camps: - Determining whether to use vfree()/kfree() - Whether to do vmlist traversal (only /proc/kcore). Since we don't support /proc/kcore on nommu, that leaves the vfree()/kfree() determination use cases. nommu vfree() happens to be a wrapper to kfree() anyways, so is_vmalloc_addr() can always return 0 and end up with the right behaviour. Signed-off-by:
Paul Mundt <lethal@linux-sh.org> Signed-off-by:
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Ralf Baechle authored
Signed-off-by:Ralf Baechle <ralf@linux-mips.org>
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Yoichi Yuasa authored
Signed-off-by:
Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> Signed-off-by:
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Ralf Baechle authored
Signed-off-by: -
Thomas Bogendoerfer authored
Signed-off-by:
Thomas Bogendoerfer <tsbogend@alpha.franken.de> Signed-off-by:
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Ralf Baechle authored
Signed-off-by: -
Ralf Baechle authored
<linux/mm.h> didn't pickup the definition of PKMAP_BASE from fixmap.h, ugh. Signed-off-by: -
Ralf Baechle authored
Signed-off-by: -
Ralf Baechle authored
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Atsushi Nemoto authored
TX39XX's "reserved" segment in CKSEG3 area is 0xff000000-0xfffeffff. Signed-off-by:
Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by:
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Ralf Baechle authored
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Thiemo Seufer authored
We support now other page sizes as well. Signed-off-by:
Thiemo Seufer <ths@networkno.de> Signed-off-by:
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Adrian Bunk authored
With KBUILD_DEFCONFIG we don't have to ship a second copy of ip22_defconfig. Signed-off-by:
Adrian Bunk <adrian.bunk@movial.fi> Signed-off-by:
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