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2cfb8ce spi_bitbang: short transfer status fix 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> 13 March 2008, 20:11:43 UTC
40369e1 au1550_spi: fix prototype of irq handler 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: Jan Nikitenko <jan.nikitenko@gmail.com> Signed-off-by: David Brownell <david-b@pacbell.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 13 March 2008, 20:11:43 UTC
12d4873 h8300: fix recent uaccess breakage 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: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 13 March 2008, 20:11:43 UTC
fb39380 pagemap: proper read error handling 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: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 13 March 2008, 20:11:43 UTC
b500ce8 smackfs: do not trust `count' in inodes write()s 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: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 13 March 2008, 20:11:43 UTC
93d7446 Merge master.kernel.org:/home/rmk/linux-2.6-arm * 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 ... 13 March 2008, 00:56:37 UTC
c463be3 Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc * '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 ... 13 March 2008, 00:00:35 UTC
31bf111 [POWERPC] Fix large hash table allocation on Cell blades 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> 12 March 2008, 23:10:26 UTC
07dc42f [POWERPC] Export empty_zero_page 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: Paul Mackerras <paulus@samba.org> 12 March 2008, 23:09:28 UTC
25c0a7b [POWERPC] Fix viodasd driver with scatterlist debug 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: Paul Mackerras <paulus@samba.org> 12 March 2008, 23:09:28 UTC
98cddbf [POWERPC] Fix arch/powerpc/platforms/powermac/pic.c when !CONFIG_ADB_PMU 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: Paul Mackerras <paulus@samba.org> 12 March 2008, 23:09:27 UTC
a99d9a6 [POWERPC] Fix drivers/macintosh/mediabay.c when !CONFIG_ADB_PMU 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: Tony Breeds <tony@bakeyournoodle.com> Signed-off-by: Paul Mackerras <paulus@samba.org> 12 March 2008, 23:09:27 UTC
07c941d [POWERPC] Fix undefined pmu_sys_suspended compilation error 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: Tony Breeds <tony@bakeyournoodle.com> Signed-off-by: Paul Mackerras <paulus@samba.org> 12 March 2008, 23:09:27 UTC
620a245 [POWERPC] Fix build of modular drivers/macintosh/apm_emu.c 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: Paul Mackerras <paulus@samba.org> 12 March 2008, 23:09:27 UTC
fa19d63 [POWERPC] Fix sleep on some powerbooks 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: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Paul Mackerras <paulus@samba.org> 12 March 2008, 23:09:27 UTC
7f17289 [POWERPC] Fix bogus test for unassigned PCI resources 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: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Paul Mackerras <paulus@samba.org> 12 March 2008, 23:09:27 UTC
595be94 [POWERPC] Fix zImage-dtb.initrd build error 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: Paul Mackerras <paulus@samba.org> 12 March 2008, 23:09:26 UTC
95ff54f [POWERPC] Add __ucmpdi2 for 64-bit comparisons in 32-bit kernels 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: Paul Mackerras <paulus@samba.org> 12 March 2008, 22:39:55 UTC
609eb39 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6 * 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 ... 12 March 2008, 20:08:09 UTC
123d43a Merge branch 'i2c-for-linus' of git://jdelvare.pck.nerim.net/jdelvare-2.6 * '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 12 March 2008, 20:07:12 UTC
299601c Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus * '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 12 March 2008, 20:04:11 UTC
0509ad5 PNP: disable PNP motherboard resources that overlap PCI BARs 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/2008/1/27/168 Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 12 March 2008, 19:39:36 UTC
e0aca23 PNP: revert Supermicro H8DCE motherboard quirk 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: Bjorn Helgaas <bjorn.helgaas@hp.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 12 March 2008, 19:39:36 UTC
3fedb3c SVCRDMA: Fix erroneous BUG_ON in send_write 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: Linus Torvalds <torvalds@linux-foundation.org> 12 March 2008, 19:37:34 UTC
c48cbb4 SVCRDMA: Add xprt refs to fix close/unmount crash 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: Tom Tucker <tom@opengridcomputing.com> Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 12 March 2008, 19:37:34 UTC
ee27a55 genhd must_check warning fix 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: Linus Torvalds <torvalds@linux-foundation.org> 12 March 2008, 19:34:37 UTC
a8ae50b Remove <linux/genhd.h> from user-visible headers. 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: Linus Torvalds <torvalds@linux-foundation.org> 12 March 2008, 19:34:37 UTC
0738c4b nommu: Provide is_vmalloc_addr() stub. Introduced in commit-id 9e2779fa281cfda13ac060753d674bbcaa23367e and ifdef'ed out for nommu in 8ca3ed87db062201e1fa15b64a9214e193fc3a8a, 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: Linus Torvalds <torvalds@linux-foundation.org> 12 March 2008, 19:34:37 UTC
69e634f [MIPS] Clocksource: Only install r4k counter as clocksource if present. Signed-off-by: Ralf Baechle <ralf@linux-mips.org> 12 March 2008, 14:14:42 UTC
127f166 [MIPS] Lasat: fix LASAT_CASCADE_IRQ Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org> 12 March 2008, 14:14:42 UTC
131b02c [MIPS] Delete leftovers of old pcspeaker support. Signed-off-by: Ralf Baechle <ralf@linux-mips.org> 12 March 2008, 14:14:42 UTC
e790a46 [MIPS] BCM1480: Init pci controller io_map_base Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Signed-off-by: Ralf Baechle <ralf@linux-mips.org> 12 March 2008, 14:14:42 UTC
41d1f19 [MIPS] Yosemite: Fix a few more section reference bugs. Signed-off-by: Ralf Baechle <ralf@linux-mips.org> 12 March 2008, 14:14:42 UTC
2ac7401 [MIPS] Fix yosemite build error <linux/mm.h> didn't pickup the definition of PKMAP_BASE from fixmap.h, ugh. Signed-off-by: Ralf Baechle <ralf@linux-mips.org> 12 March 2008, 14:14:42 UTC
234fcd1 [MIPS] Fix loads of section missmatches Signed-off-by: Ralf Baechle <ralf@linux-mips.org> 12 March 2008, 14:14:41 UTC
1af0eea [MIPS] IP27: Tighten up CPU description to fix warnings. Signed-off-by: Ralf Baechle <ralf@linux-mips.org> 12 March 2008, 14:14:41 UTC
308a163 [MIPS] Fix plat_ioremap for JMR3927 TX39XX's "reserved" segment in CKSEG3 area is 0xff000000-0xfffeffff. Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org> 12 March 2008, 14:14:41 UTC
4177017 [MIPS] Export __ucmpdi2 to modules. Signed-off-by: Ralf Baechle <ralf@linux-mips.org> 12 March 2008, 14:14:41 UTC
a7c2996 [MIPS] Fix typo in comment We support now other page sizes as well. Signed-off-by: Thiemo Seufer <ths@networkno.de> Signed-off-by: Ralf Baechle <ralf@linux-mips.org> 12 March 2008, 14:14:41 UTC
de0c169 [MIPS] Use KBUILD_DEFCONFIG 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: Ralf Baechle <ralf@linux-mips.org> 12 March 2008, 14:14:41 UTC
0f87358 [MIPS] Allow 48Hz to be selected if CONFIG_SYS_SUPPORTS_ARBIT_HZ is set. This allows a 48Hz clock to be selected on Malta and other systems. Note this not normally a sensible option as it results in rather high latencies for some kernel stuff. Signed-off-by: Ralf Baechle <ralf@linux-mips.org> 12 March 2008, 14:14:40 UTC
1f5826b [MIPS] Added missing cases for rdhwr emulation Some of these are architecturally required for R2 processors so lets try to be bit closer to the real thing. This also provides access to the CPU cycle timer, even on multiprocessors. In that aspect its currently bug compatible to what would happen on a R2-based SMP. Signed-off-by: Chris Dearman <chris@mips.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org> 12 March 2008, 14:14:40 UTC
0ec734c [MIPS] Alchemy: Fix ids in Alchemy db dma device table 0 is a valid device id (DSCR_CMD0_UART0_TX), so we can't use it to mark an empty entry in the device table. Use ~0 instead and search for id ~0 when looking for a free entry. Signed-off-by: Wolfgang Ocker <weo@reccoware.de> Signed-off-by: Ralf Baechle <ralf@linux-mips.org> 12 March 2008, 14:14:40 UTC
3d706d9 i2c: chips subdirectory is deprecated Let driver authors know that drivers/i2c/chips is usually the wrong place for new drivers. Signed-off-by: Jean Delvare <khali@linux-fr.org> 12 March 2008, 13:15:00 UTC
50c3304 i2c: Keep client->driver and client->dev.driver in sync Ensure that client->driver is set to NULL if the probe() returns an error (this keeps client->driver and client->dev.driver in sync). Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Acked-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Jean Delvare <khali@linux-fr.org> 12 March 2008, 13:15:00 UTC
5edc68b i2c-amd756: Fix off-by-one This patch fixes an off-by-one error spotted by the Coverity checker. Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Jean Delvare <khali@linux-fr.org> 12 March 2008, 13:15:00 UTC
9cf7f7f Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/jk/spufs into merge 12 March 2008, 06:13:57 UTC
2262621 [SCTP]: Fix local_addr deletions during list traversals. Since the lists are circular, we need to explicitely tag the address to be deleted since we might end up freeing the list head instead. This fixes some interesting SCTP crashes. Signed-off-by: Chidambar 'ilLogict' Zinnoury <illogict@online.fr> Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com> Signed-off-by: David S. Miller <davem@davemloft.net> 12 March 2008, 01:05:02 UTC
b2211a3 net: fix build with CONFIG_NET=n fs/built-in.o:(.rodata+0x1134): undefined reference to `proc_net_inode_operations' fs/built-in.o:(.rodata+0x1138): undefined reference to `proc_net_operations' Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: David S. Miller <davem@davemloft.net> 12 March 2008, 01:03:35 UTC
5ea3a74 [TCP]: Prevent sending past receiver window with TSO (at last skb) With TSO it was possible to send past the receiver window when the skb to be sent was the last in the write queue while the receiver window is the limiting factor. One can notice that there's a loophole in the tcp_mss_split_point that lacked a receiver window check for the tcp_write_queue_tail() if also cwnd was smaller than the full skb. Noticed by Thomas Gleixner <tglx@linutronix.de> in form of "Treason uncloaked! Peer ... shrinks window .... Repaired." messages (the peer didn't actually shrink its window as the message suggests, we had just sent something past it without a permission to do so). Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi> Tested-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: David S. Miller <davem@davemloft.net> 12 March 2008, 00:55:27 UTC
445815d rt2x00: Add new D-Link USB ID Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com> 11 March 2008, 19:13:41 UTC
fbb0a27 rt2x00: never disable multicast because it disables broadcast too On rt73 and rt61 disabling reception of multicast packets also disables broadcast traffic which we never want to do. Therefore we should never disable multicast. Signed-off-by: Adam Baker <linux@baker-net.org.uk> Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com> 11 March 2008, 19:13:40 UTC
5f0547c libertas: fix the 'compare command with itself' properly |libertas: Invalid CMD_RESP 8012 to command 50! The special case got mixed up in 8a96df80b3. Signed-off-by: Sebastian Siewior <bigeasy@linutronix.de> Signed-off-by: John W. Linville <linville@tuxdriver.com> 11 March 2008, 19:13:40 UTC
97ed839 drivers/net/Kconfig: fix whitespace for GELIC_WIRELESS entry Signed-off-by: John W. Linville <linville@tuxdriver.com> 11 March 2008, 19:13:39 UTC
baadac8 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86: x86: remove quicklists x86: ia32 syscall restart fix x86: ioremap, remove WARN_ON() 11 March 2008, 16:47:28 UTC
051a82f Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mingo/linux-2.6-sched-devel * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mingo/linux-2.6-sched-devel: keep rd->online and cpu_online_map in sync Revert "cpu hotplug: adjust root-domain->online span in response to hotplug event" 11 March 2008, 16:18:56 UTC
6c47d77 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband: RDMA/iwcm: Don't access a cm_id after dropping reference IB/iser: Handle iser_device allocation error gracefully IB/iser: Fix list iteration bug RDMA/cxgb3: Fix iwch_create_cq() off-by-one error RDMA/cxgb3: Return correct max_inline_data when creating a QP IB/fmr_pool: Flush all dirty FMRs from ib_fmr_pool_flush() Revert "IB/fmr_pool: ib_fmr_pool_flush() should flush all dirty FMRs" IB/cm: Flush workqueue when removing device MAINTAINERS: update ipath owner 11 March 2008, 16:14:34 UTC
985a34b x86: remove quicklists quicklists cause a serious memory leak on 32-bit x86, as documented at: http://bugzilla.kernel.org/show_bug.cgi?id=9991 the reason is that the quicklist pool is a special-purpose cache that grows out of proportion. It is not accounted for anywhere and users have no way to even realize that it's the quicklists that are causing RAM usage spikes. It was supposed to be a relatively small pool, but as demonstrated by KOSAKI Motohiro, they can grow as large as: Quicklists: 1194304 kB given how much trouble this code has caused historically, and given that Andrew objected to its introduction on x86 (years ago), the best option at this point is to remove them. [ any performance benefits of caching constructed pgds should be implemented in a more generic way (possibly within the page allocator), while still allowing constructed pages to be allocated by other workloads. ] Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> 11 March 2008, 16:11:55 UTC
40f0933 x86: ia32 syscall restart fix The code to restart syscalls after signals depends on checking for a negative orig_ax, and for particular negative -ERESTART* values in ax. These fields are 64 bits and for a 32-bit task they get zero-extended. The syscall restart behavior is lost, a regression from a native 32-bit kernel and from 64-bit tasks' behavior. This patch fixes the problem by doing sign-extension where it matters. For orig_ax, the only time the value should be -1 but winds up as 0x0ffffffff is via a 32-bit ptrace call. So the patch changes ptrace to sign-extend the 32-bit orig_eax value when it's stored; it doesn't change the checks on orig_ax, though it uses the new current_syscall() inline to better document the subtle importance of the used of signedness there. The ax value is stored a lot of ways and it seems hard to get them all sign-extended at their origins. So for that, we use the current_syscall_ret() to sign-extend it only for 32-bit tasks at the time of the -ERESTART* comparisons. Signed-off-by: Roland McGrath <roland@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> 11 March 2008, 16:11:54 UTC
9a46d7e x86: ioremap, remove WARN_ON() Signed-off-by: Ingo Molnar <mingo@elte.hu> 11 March 2008, 16:11:54 UTC
08f503b keep rd->online and cpu_online_map in sync It is possible to allow the root-domain cache of online cpus to become out of sync with the global cpu_online_map. This is because we currently trigger removal of cpus too early in the notifier chain. Other DOWN_PREPARE handlers may in fact run and reconfigure the root-domain topology, thereby stomping on our own offline handling. The end result is that rd->online may become out of sync with cpu_online_map, which results in potential task misrouting. So change the offline handling to be more tightly coupled with the global offline process by triggering on CPU_DYING intead of CPU_DOWN_PREPARE. Signed-off-by: Gregory Haskins <ghaskins@novell.com> Cc: Gautham R Shenoy <ego@in.ibm.com> Cc: "Siddha, Suresh B" <suresh.b.siddha@intel.com> Cc: "Rafael J. Wysocki" <rjw@sisk.pl> Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Ingo Molnar <mingo@elte.hu> 11 March 2008, 13:02:58 UTC
1f94ef5 Revert "cpu hotplug: adjust root-domain->online span in response to hotplug event" This reverts commit 393d94d98b19089ec172566e23557997931b137e. Lets fix this right. Signed-off-by: Gregory Haskins <ghaskins@novell.com> Cc: Gautham R Shenoy <ego@in.ibm.com> Cc: "Siddha, Suresh B" <suresh.b.siddha@intel.com> Cc: "Rafael J. Wysocki" <rjw@sisk.pl> Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Ingo Molnar <mingo@elte.hu> 11 March 2008, 13:02:58 UTC
d7c1fbd RDMA/iwcm: Don't access a cm_id after dropping reference cm_work_handler() can access cm_id_priv after it drops its reference by calling iwch_deref_id(), which might cause it to be freed. The fix is to look at whether IWCM_F_CALLBACK_DESTROY is set _before_ dropping the reference. Then if it was set, free the cm_id on this thread. Signed-off-by: Steve Wise <swise@opengridcomputing.com> Signed-off-by: Roland Dreier <rolandd@cisco.com> 11 March 2008, 04:22:22 UTC
d33ed42 IB/iser: Handle iser_device allocation error gracefully "iser_device" allocation failure is "handled" with a BUG_ON() right before dereferencing the NULL-pointer - fix this! Signed-off-by: Arne Redlich <arne.redlich@xiranet.com> Signed-off-by: Erez Zilber <erezz@voltaire.com> 11 March 2008, 04:17:51 UTC
9a37827 IB/iser: Fix list iteration bug The iteration through the list of "iser_device"s during device lookup/creation is broken -- it might result in an infinite loop if more than one HCA is used with iSER. Fix this by using list_for_each_entry() instead of the open-coded flawed list iteration code. Signed-off-by: Arne Redlich <arne.redlich@xiranet.com> Signed-off-by: Erez Zilber <erezz@voltaire.com> Signed-off-by: Roland Dreier <rolandd@cisco.com> 11 March 2008, 04:15:49 UTC
c368392 [POWERPC] spufs: fix rescheduling of non-runnable contexts At present, we can hit the BUG_ON in __spu_update_sched_info by reading the regs file of a context between two calls to spu_run. The spu_release_saved called by spufs_regs_read() is resulting in the (now non-runnable) context being placed back on the run queue, so the next call to spu_run ends up in the bug condition. This change uses the SPU_SCHED_SPU_RUN flag to only reschedule a context if it's still in spu_run(). Signed-off-by: Jeremy Kerr <jk@ozlabs.org> 11 March 2008, 01:46:18 UTC
2f44bbb Merge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev * 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev: [libata] Add support for the RB500 PATA CompactFlash ahci: logical-bitwise and confusion in ahci_save_initial_config() libata: don't allow sysfs read access to force param ahci: add the Device IDs for nvidia MCP7B AHCI libata-sff: handle controllers w/o ctl register libata: allow LLDs w/o any reset method ata: replace remaining __FUNCTION__ occurrences 11 March 2008, 01:45:51 UTC
2b752ac Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6 * git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6: USB:Update mailing list information in documentation USB: fix ehci unlink regressions USB: new ftdi_sio device id USB: Remove __KERNEL__ check from non-exported gadget.h. USB: g_printer.h does not need to be "unifdef"ed. USB: fsl_usb2_udc: fix broken Kconfig USB: option: add novatel device ids USB: usbaudio: handle kcalloc failure USB: cypress_m8: add UPS Powercom (0d9f:0002) USB: drivers/usb/storage/sddr55.c: fix uninitialized var warnings USB: fix usb-serial generic recursive lock 11 March 2008, 01:45:23 UTC
ce7c191 [POWERPC] spufs: don't (ab)use SCHED_IDLE commit 4ef11014 introduced a usage of SCHED_IDLE to detect when a context is within spu_run. Instead of SCHED_IDLE (which has other meaning), add a flag to sched_flags to tell if a context should be running. Signed-off-by: Jeremy Kerr <jk@ozlabs.org> 11 March 2008, 01:28:02 UTC
f5dbb55 fix BIOS PCI config cycle buglet causing ACPI boot regression I figured out another ACPI related regression today. randconfig testing triggered an early boot-time hang on a laptop of mine (32-bit x86, config attached) - the screen was scrolling ACPI AML exceptions [with no serial port and no early debugging available]. v2.6.24 works fine on that laptop with the same .config, so after a few hours of bisection (had to restart it 3 times - other regressions interacted), it honed in on this commit: | 10270d4838bdc493781f5a1cf2e90e9c34c9142f is first bad commit | | Author: Linus Torvalds <torvalds@woody.linux-foundation.org> | Date: Wed Feb 13 09:56:14 2008 -0800 | | acpi: fix acpi_os_read_pci_configuration() misuse of raw_pci_read() reverting this commit ontop of -rc5 gave a correctly booting kernel. But this commit fixes a real bug so the real question is, why did it break the bootup? After quite some head-scratching, the following change stood out: - pci_id->bus = tu8; + pci_id->bus = val; pci_id->bus is defined as u16: struct acpi_pci_id { u16 segment; u16 bus; ... and 'tu8' changed from u8 to u32. So previously we'd unconditionally mask the return value of acpi_os_read_pci_configuration() (raw_pci_read()) to 8 bits, but now we just trust whatever comes back from the PCI access routines and only crop it to 16 bits. But if the high 8 bits of that result contains any noise then we'll write that into ACPI's PCI ID descriptor and confuse the heck out of the rest of ACPI. So lets check the PCI-BIOS code on that theory. We have this codepath for 8-bit accesses (arch/x86/pci/pcbios.c:pci_bios_read()): switch (len) { case 1: __asm__("lcall *(%%esi); cld\n\t" "jc 1f\n\t" "xor %%ah, %%ah\n" "1:" : "=c" (*value), "=a" (result) : "1" (PCIBIOS_READ_CONFIG_BYTE), "b" (bx), "D" ((long)reg), "S" (&pci_indirect)); Aha! The "=a" output constraint puts the full 32 bits of EAX into *value. But if the BIOS's routines set any of the high bits to nonzero, we'll return a value with more set in it than intended. The other, more common PCI access methods (v1 and v2 PCI reads) clear out the high bits already, for example pci_conf1_read() does: switch (len) { case 1: *value = inb(0xCFC + (reg & 3)); which explicitly converts the return byte up to 32 bits and zero-extends it. So zero-extending the result in the PCI-BIOS read routine fixes the regression on my laptop. ( It might fix some other long-standing issues we had with PCI-BIOS during the past decade ... ) Both 8-bit and 16-bit accesses were buggy. Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 11 March 2008, 01:09:05 UTC
effe008 Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/pci-2.6 * git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/pci-2.6: PCI Hotplug: Fix small mem leak in IBM Hot Plug Controller Driver PCI: rename DECLARE_PCI_DEVICE_TABLE to DEFINE_PCI_DEVICE_TABLE 11 March 2008, 01:05:47 UTC
ee215ca Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-2.6 * git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-2.6: drivers: fix dma_get_required_mask firmware: provide stubs for the FW_LOADER=n case nozomi: fix initialization and early flow control access sysdev: fix problem with sysdev_class being re-registered 11 March 2008, 01:04:00 UTC
aeb24d2 Merge git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus * git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus: lguest: Do not append space to guests kernel command line lguest: Revert 1ce70c4fac3c3954bd48c035f448793867592bc0, fix real problem. lguest: Sanitize the lguest clock. lguest: fix __get_vm_area usage. lguest: make sure cpu is initialized before accessing it 11 March 2008, 01:03:20 UTC
5c0dea0 Merge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mfasheh/ocfs2 * 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mfasheh/ocfs2: ocfs2: Fix NULL pointer dereferences in o2net ocfs2/dlm: dlm_thread should not sleep while holding the dlm_spinlock ocfs2/dlm: Print message showing the recovery master ocfs2/dlm: Add missing dlm_lockres_put()s ocfs2/dlm: Add missing dlm_lockres_put()s in migration path ocfs2/dlm: Add missing dlm_lock_put()s ocfs2: Fix an endian bug in online resize. [PATCH] [OCFS2]: constify function pointer tables ocfs2: Fix endian bug in o2dlm protocol negotiation. ocfs2: Use dlm_print_one_lock_resource for lock resource print [PATCH] fs/ocfs2/dlm/dlmdomain.c: fix printk warning 11 March 2008, 01:02:59 UTC
dae311b Merge git://git.kernel.org/pub/scm/linux/kernel/git/wim/linux-2.6-watchdog * git://git.kernel.org/pub/scm/linux/kernel/git/wim/linux-2.6-watchdog: [WATCHDOG] make watchdog/hpwdt.c:asminline_call() static [WATCHDOG] Remove volatiles from watchdog device structures [WATCHDOG] replace remaining __FUNCTION__ occurrences [WATCHDOG] hpwdt: Use dmi_walk() instead of own copy [WATCHDOG] Fix return value warning in hpwdt [WATCHDOG] Fix declaration of struct smbios_entry_point in hpwdt [WATCHDOG] it8712f_wdt support for 16-bit timeout values, WDIOC_GETSTATUS 11 March 2008, 01:02:16 UTC
99eeed4 fbdev: add BF52x EZkit Display driver Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com> Cc: Antonino Daplas <adaplas@pol.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 11 March 2008, 01:01:20 UTC
5e9e4ad BF54x LQ043 Framebuffer driver: Update copyright on previously modified files Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com> Cc: "Antonino A. Daplas" <adaplas@pol.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 11 March 2008, 01:01:20 UTC
b3544ea BF54x LQ043 Framebuffer driver: fix bug lcd_device_register API breakage Signed-off-by: Bryan Wu <bryan.wu@analog.com> Cc: "Antonino A. Daplas" <adaplas@pol.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 11 March 2008, 01:01:20 UTC
fdcc535 BF54x LQ043 Framebuffer driver: fix bug NULL for gpio_request label is not allowed Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com> Cc: "Antonino A. Daplas" <adaplas@pol.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 11 March 2008, 01:01:20 UTC
6234721 stifb: fix crash A1439A CRX (Rattler) graphics card Fix kernel crash when stifb driver is used with a A1439A CRX (Rattler) graphics card. (Reference: http://thread.gmane.org/gmane.linux.ports.hppa/1834) Signed-off-by: Helge Deller <deller@gmx.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 11 March 2008, 01:01:20 UTC
1039edc mbxfb: fix incorrect argument type Fix wrong pointer type passed into the dev_dbg() function. Signed-off-by: Krzysztof Helt <krzysztof.h1@wp.pl> Acked-by: Mike Rapoport <mike@compulab.co.il> Cc: "Antonino A. Daplas" <adaplas@pol.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 11 March 2008, 01:01:20 UTC
f700926 iov_iter_advance() fix iov_iter_advance() skips over zero-length iovecs, however it does not properly terminate at the end of the iovec array. Fix this by checking against i->count before we skip a zero-length iov. The bug was reproduced with a test program that continually randomly creates iovs to writev. The fix was also verified with the same program and also it could verify that the correct data was contained in the file after each writev. Signed-off-by: Nick Piggin <npiggin@suse.de> Tested-by: "Kevin Coffman" <kwc@citi.umich.edu> Cc: "Alexey Dobriyan" <adobriyan@gmail.com> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 11 March 2008, 01:01:20 UTC
21bbb39 rcu: move PREEMPT_RCU config option back under PREEMPT The original preemptible-RCU patch put the choice between classic and preemptible RCU into kernel/Kconfig.preempt, which resulted in build failures on machines not supporting CONFIG_PREEMPT. This choice was therefore moved to init/Kconfig, which worked, but placed the choice between classic and preemptible RCU at the top level, a very obtuse choice indeed. This patch changes from the Kconfig "choice" mechanism to a pair of booleans, only one of which (CONFIG_PREEMPT_RCU) is user-visible, and is located in kernel/Kconfig.preempt, where one would expect it to be. The other (CONFIG_CLASSIC_RCU) is in init/Kconfig so that it is available to all architectures, hopefully avoiding build breakage. Thanks to Roman Zippel for suggesting this approach. Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Cc: Ingo Molnar <mingo@elte.hu> Acked-by: Steven Rostedt <rostedt@goodmis.org> Cc: Dipankar Sarma <dipankar@in.ibm.com> Cc: Josh Triplett <josh@freedesktop.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Roman Zippel <zippel@linux-m68k.org> Cc: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 11 March 2008, 01:01:20 UTC
f47831f i8042: use SGI_HAS_I8042 to select SGI i8042 handlinig Use SGI_HAS_I8042 to select SGI i8042 handling Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Cc: Dmitry Torokhov <dtor@mail.ru> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 11 March 2008, 01:01:20 UTC
e24e2e6 modules: warn about suspicious return values from module's ->init() hook Return value convention of module's init functions is 0/-E. Sometimes, e.g. during forward-porting mistakes happen and buggy module created, where result of comparison "workqueue != NULL" is propagated all the way up to sys_init_module. What happens is that some other module created workqueue in question, our module created it again and module was successfully loaded. Or it could be some other bug. Let's make such mistakes much more visible. In retrospective, such messages would noticeably shorten some of my head-scratching sessions. Note, that dump_stack() is just a way to get attention from user. Sample message: sys_init_module: 'foo'->init suspiciously returned 1, it should follow 0/-E convention sys_init_module: loading module anyway... Pid: 4223, comm: modprobe Not tainted 2.6.24-25f666300625d894ebe04bac2b4b3aadb907c861 #5 Call Trace: [<ffffffff80254b05>] sys_init_module+0xe5/0x1d0 [<ffffffff8020b39b>] system_call_after_swapgs+0x7b/0x80 Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Cc: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 11 March 2008, 01:01:20 UTC
6c5db22 modules: fix module waiting for dependent modules' init Commit c9a3ba55 (module: wait for dependent modules doing init.) didn't quite work because the waiter holds the module lock, meaning that the state of the module it's waiting for cannot change. Fortunately, it's fairly simple to update the state outside the lock and do the wakeup. Thanks to Jan Glauber for tracking this down and testing (qdio and qeth). Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Cc: Jan Glauber <jang@linux.vnet.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 11 March 2008, 01:01:19 UTC
2668db9 hugetlb: correct page count for surplus huge pages Free pages in the hugetlb pool are free and as such have a reference count of zero. Regular allocations into the pool from the buddy are "freed" into the pool which results in their page_count dropping to zero. However, surplus pages can be directly utilized by the caller without first being freed to the pool. Therefore, a call to put_page_testzero() is in order so that such a page will be handed to the caller with a correct count. This has not affected end users because the bad page count is reset before the page is handed off. However, under CONFIG_DEBUG_VM this triggers a BUG when the page count is validated. Thanks go to Mel for first spotting this issue and providing an initial fix. Signed-off-by: Adam Litke <agl@us.ibm.com> Cc: Mel Gorman <mel@csn.ul.ie> Cc: Dave Hansen <haveblue@us.ibm.com> Cc: William Lee Irwin III <wli@holomorphy.com> Cc: Andy Whitcroft <apw@shadowen.org> Cc: Mel Gorman <mel@csn.ul.ie> Cc: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 11 March 2008, 01:01:19 UTC
8420780 gpio/pca953x bugfix: mark as can_sleep The pca953x driver is an I2C driver so gpio_chip->can_sleep should be set. This lets upper layers know they should use the gpio_*_cansleep() calls to access values, and may not access them from nonsleeping contexts. Signed-off-by: Arnaud Patard <arnaud.patard@rtp-net.org> Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Acked-by: "eric miao" <eric.y.miao@gmail.com> Cc: Jean Delvare <khali@linux-fr.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 11 March 2008, 01:01:19 UTC
7be3dfe md: reduce CPU wastage on idle md array with a write-intent bitmap Recent patch titled Reduce CPU wastage on idle md array with a write-intent bitmap. would sometimes leave the array with dirty bitmap bits that stay dirty. A subsequent write would sort things out so it isn't a big problem, but should be fixed nonetheless. We need to make sure that when the bitmap becomes not "allclean", the daemon_sleep really does get set to a sensible value. Signed-off-by: Neil Brown <neilb@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 11 March 2008, 01:01:19 UTC
52720ae md: fix formatting error in /proc/mdstat If an md array is "auto-read-only", then this appears in /proc/mdstat as /dev/md0: active(auto-read-only) whereas if it is truely readonly, it appears as /dev/md0: active (read-only) The difference being a space. One program known to parse this file expects the space and gets badly confused. It will be fixed, but it would be best if what the kernel generates is more consistent too. Signed-off-by: Neil Brown <neilb@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 11 March 2008, 01:01:19 UTC
69682d8 mempolicy: fix reference counting bugs Address 3 known bugs in the current memory policy reference counting method. I have a series of patches to rework the reference counting to reduce overhead in the allocation path. However, that series will require testing in -mm once I repost it. 1) alloc_page_vma() does not release the extra reference taken for vma/shared mempolicy when the mode == MPOL_INTERLEAVE. This can result in leaking mempolicy structures. This is probably occurring, but not being noticed. Fix: add the conditional release of the reference. 2) hugezonelist unconditionally releases a reference on the mempolicy when mode == MPOL_INTERLEAVE. This can result in decrementing the reference count for system default policy [should have no ill effect] or premature freeing of task policy. If this occurred, the next allocation using task mempolicy would use the freed structure and probably BUG out. Fix: add the necessary check to the release. 3) The current reference counting method assumes that vma 'get_policy()' methods automatically add an extra reference a non-NULL returned mempolicy. This is true for shmem_get_policy() used by tmpfs mappings, including regular page shm segments. However, SHM_HUGETLB shm's, backed by hugetlbfs, just use the vma policy without the extra reference. This results in freeing of the vma policy on the first allocation, with reuse of the freed mempolicy structure on subsequent allocations. Fix: Rather than add another condition to the conditional reference release, which occur in the allocation path, just add a reference when returning the vma policy in shm_get_policy() to match the assumptions. Signed-off-by: Lee Schermerhorn <lee.schermerhorn@hp.com> Cc: Greg KH <greg@kroah.com> Cc: Andi Kleen <ak@suse.de> Cc: Christoph Lameter <clameter@sgi.com> Cc: Mel Gorman <mel@csn.ul.ie> Cc: David Rientjes <rientjes@google.com> Cc: <eric.whitney@hp.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 11 March 2008, 01:01:19 UTC
9afa802 Typo in Documentation/scheduler/sched-stats.txt I have found a very small typo in Documentation/scheduler/sched-stats.txt. See the end of this mail. Signed-off-by: Masatake YAMATO <yamato@redhat.com> Cc: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 11 March 2008, 01:01:19 UTC
60fdd93 memstick: add support for JMicron jmb38x MemoryStick host controller Signed-off-by: Alex Dubov <oakad@yahoo.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 11 March 2008, 01:01:19 UTC
5936725 memstick: try harder to recover from unsuccessful interface mode switch Signed-off-by: Alex Dubov <oakad@yahoo.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 11 March 2008, 01:01:18 UTC
251cc9b memstick: fix parsing of "assembly_date" attribute field Signed-off-by: Alex Dubov <oakad@yahoo.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 11 March 2008, 01:01:18 UTC
efb2742 memstick: add support for decoding "specfile" media attributes Signed-off-by: Alex Dubov <oakad@yahoo.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 11 March 2008, 01:01:18 UTC
e4c70e8 tifm: clear interrupt mask bits before setting them on adapter init This should improve reliability of detection of cards already in socket on driver load. Signed-off-by: Alex Dubov <oakad@yahoo.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 11 March 2008, 01:01:18 UTC
eebbe9c tifm: fix memorystick host initialization code Instead of assuming that host is powered on only once at card insertion, allow for the possibility that memstick layer may need to cycle card's power to get it out from some unhealthy states. Signed-off-by: Alex Dubov <oakad@yahoo.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 11 March 2008, 01:01:18 UTC
92b22d9 tifm: fix the MemoryStick host fifo handling code Additional input received from JMicron on MemoryStick host interfaces showed that some assumtions in fifo handling code were incorrect. This patch also fixes data corruption used to occure during PIO transfers. Signed-off-by: Alex Dubov <oakad@yahoo.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 11 March 2008, 01:01:18 UTC
2a4f256 memstick: drop DRIVER_VERSION numbers as meaningless Signed-off-by: Alex Dubov <oakad@yahoo.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 11 March 2008, 01:01:18 UTC
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