- 16 Dec, 2008 1 commit
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Andreas Herrmann authored
Impact: fix bug resulting in non-loaded AMD microcode mc_header->processor_rev_id is a 2 byte value. Similar is true for equiv_cpu in an equiv_cpu_entry -- only 2 bytes are of interest. Signed-off-by: Andreas Herrmann <andreas.herrmann3@amd.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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- 13 Dec, 2008 6 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/jwboyer/powerpc-4xxLinus Torvalds authored
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/jwboyer/powerpc-4xx: powerpc/40x: Add proper BOOTCFLAGS for cuboot-acadia
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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-highlander: Trivial endian casting fixes i2c-pmcmsp: Fix endianness misannotation
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git://git.kernel.dk/linux-2.6-blockLinus Torvalds authored
* 'for-linus' of git://git.kernel.dk/linux-2.6-block: Commands needing to be retried require a complete re-initialization.
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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: IP32: Update defconfig MIPS: Add missing calls to plat_unmap_dma_mem. MIPS: Kconfig: Fix the arch-specific header path MIPS: Use EI/DI for MIPS R2.
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Ingo Brueckl authored
For the console, there is a 1:1 mapping of glyphs which cannot be found in the current font. This seems to be meant as a kind of 'emergency fallback' for fonts without unicode mapping which otherwise would display nothing readable on the screen. At the moment it affects all chars for which no substitution character is defined. In particular this means that for all chars (>= 128) where there is no iso88591-1/unicode character (e.g. control character area) you'll get the very strange 1:1 mapping of the (cp437) graphics card glyphs. I'm pretty sure that the 1:1 mapping should only affect strict ASCII code characters, i.e. chars < 128. The patch limits the mapping as it probably was meant anyway. Signed-off-by: Ingo Brueckl <ib@wupperonline.de> Acked-by: H. Peter Anvin <hpa@zytor.com> Cc: Egmont Koblinger <egmont@uhulinux.hu> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Ingo Brueckl authored
There is a major bug in the cp437 to unicode translation table. Char 0x7c is mapped to U+00a5 which is the Yen sign and wrong. The right mapping is U+00a6 (broken bar). Furthermore, a mapping for U+00b4 (a widely used character) is missing even though easily possible. The patch fixes these, as well as it provides a few other useful mappings. The changes are as follows: 0x0f (enhancement) enables a sort of currency symbol 0x27 (bug) enables a sort of acute accent which is a widely used character 0x44 (enhancement) enables a sort of icelandic capital letter eth 0x7c (major bug) corrects mapping 0xeb (enhancement) enables a sort of icelandic small letter eth 0xee (enhancement) enables a sort of math 'element of' Signed-off-by: Ingo Brueckl <ib@wupperonline.de> Acked-by: H. Peter Anvin <hpa@zytor.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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- 12 Dec, 2008 5 commits
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David Daney authored
Signed-off-by: David Daney <ddaney@caviumnetworks.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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David Daney authored
dma_free_noncoherent() and dma_free_coherent() are missing calls to plat_unmap_dma_mem(). This patch adds them. Signed-off-by: David Daney <ddaney@caviumnetworks.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Dmitri Vorobiev authored
The header path in the help text for the RUNTIME_DEBUG config option is obsolete and needs to be updated to match the new location of architecture-specific header files. While at it, fix the spelling mistake. Signed-off-by: Dmitri Vorobiev <dmitri.vorobiev@movial.fi> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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David Daney authored
For MIPS R2, use the EI and DI instructions to enable and disable interrupts. Signed-off-by: Tomaso Paoletti <tpaoletti@caviumnetworks.com> Signed-off-by: David Daney <ddaney@caviumnetworks.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Alan D. Brunelle authored
The test-unit-ready portion of this patch was causing boots to fail on my test machine (as in http://lkml.org/lkml/2008/12/5/161). With this patch in place, the system is booting reliably. Mike Anderson found the same problem in the hp_hw_start_stop code, and I applied the same solution in cdrom_read_cdda_bpc. Signed-off-by: Alan D. Brunelle <alan.brunelle@hp.com> Cc: Mike Anderson <andmike@linux.vnet.ibm.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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- 11 Dec, 2008 4 commits
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Josh Boyer authored
The cuboot-acadia.c wrapper can cause assembler errors on some toolchains due to the lack of the proper BOOTCFLAGS. This adds the proper flags for the file. Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
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Harvey Harrison authored
Fixes sparse warnings: drivers/i2c/busses/i2c-highlander.c:95:26: warning: incorrect type in argument 1 (different base types) drivers/i2c/busses/i2c-highlander.c:95:26: expected restricted __be16 const [usertype] *p drivers/i2c/busses/i2c-highlander.c:95:26: got unsigned short [usertype] *<noident> drivers/i2c/busses/i2c-highlander.c:106:15: warning: incorrect type in assignment (different base types) drivers/i2c/busses/i2c-highlander.c:106:15: expected unsigned short [unsigned] [short] [usertype] <noident> drivers/i2c/busses/i2c-highlander.c:106:15: got restricted __be16 Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Cc: Ben Dooks <ben-linux@fluff.org> Acked-by: Paul Mundt <lethal@linux-sh.org> Signed-off-by: Jean Delvare <khali@linux-fr.org>
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Harvey Harrison authored
tmp is used as host-endian and is loaded from a be64, fix the cast and the endian accessor used. Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Cc: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Jean Delvare <khali@linux-fr.org>
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Linus Torvalds authored
This reverts commit b1ee26ba, along with the "fixes" for it that all just caused problems: - c4c6fa98 "radeonfb: fix problem with color expansion & alignment" - f3179748 "radeonfb: Disable new color expand acceleration unless explicitely enabled" because even when disabled, it breaks for people. See http://bugzilla.kernel.org/show_bug.cgi?id=12191 for the latest example. Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Acked-by: David S. Miller <davem@davemloft.net> Cc: Krzysztof Halasa <khc@pm.waw.pl> Cc: James Cloos <cloos@jhcloos.com> Cc: "Rafael J. Wysocki" <rjw@sisk.pl> Cc: Krzysztof Helt <krzysztof.h1@poczta.fm> Cc: Jean-Luc Coulon <jean.luc.coulon@gmail.com> Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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- 10 Dec, 2008 24 commits
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Linus Torvalds authored
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Linus Torvalds authored
Merge branch 'sched-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'sched-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: sched: CPU remove deadlock fix
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Hugh Dickins authored
Lee Schermerhorn noticed yesterday that I broke the mapping_writably_mapped test in 2.6.7! Bad bad bug, good good find. The i_mmap_writable count must be incremented for VM_SHARED (just as i_writecount is for VM_DENYWRITE, but while holding the i_mmap_lock) when dup_mmap() copies the vma for fork: it has its own more optimal version of __vma_link_file(), and I missed this out. So the count was later going down to 0 (dangerous) when one end unmapped, then wrapping negative (inefficient) when the other end unmapped. The only impact on x86 would have been that setting a mandatory lock on a file which has at some time been opened O_RDWR and mapped MAP_SHARED (but not necessarily PROT_WRITE) across a fork, might fail with -EAGAIN when it should succeed, or succeed when it should fail. But those architectures which rely on flush_dcache_page() to flush userspace modifications back into the page before the kernel reads it, may in some cases have skipped the flush after such a fork - though any repetitive test will soon wrap the count negative, in which case it will flush_dcache_page() unnecessarily. Fix would be a two-liner, but mapping variable added, and comment moved. Reported-by: Lee Schermerhorn <Lee.Schermerhorn@hp.com> Signed-off-by: Hugh Dickins <hugh@veritas.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/frob/linux-2.6-rolandLinus Torvalds authored
* 'to-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/frob/linux-2.6-roland: tracehook: exec double-reporting fix
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Manfred Spraul authored
The last patch to lib/idr.c caused a bug if idr_get_new_above() was called on an empty idr. Usually, nodes stay on the same layer. New layers are added to the top of the tree. The exception is idr_get_new_above() on an empty tree: In this case, the new root node is first added on layer 0, then moved upwards. p->layer was not updated. As usual: You shall never rely on the source code comments, they will only mislead you. Signed-off-by: Manfred Spraul <manfred@colorfullife.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Akira Takeuchi authored
Give the correct size when reserving the interrupt vector table. It should be a page not a single byte. Signed-off-by: Akira Takeuchi <takeuchi.akr@jp.panasonic.com> Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Akira Takeuchi authored
Fix __put_user_asm8() by jumping to the end label (3:) from the exception handler, rather than jumping back to retry the second store instruction (label 2:). Signed-off-by: Akira Takeuchi <takeuchi.akr@jp.panasonic.com> Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Akira Takeuchi authored
Fix the preemption resume_kernel() routine by inverting the test to see whether interrupts are off (IM7 is all enabled, not all disabled). Furthermore, interrupts should be disabled on entry to resume_kernel() so that they're correctly set for jumping to restore_all() and doing the need reschedule test. Signed-off-by: Akira Takeuchi <takeuchi.akr@jp.panasonic.com> Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Akira Takeuchi authored
Discard low-prioriy Tx interrupts when closing an MN10300 on-chip serial port. The MN10300 on-chip serial port uses three interrupts to manage its serial ports: (1) A very high priority interrupt that drives virtual DMA for Rx. (2) A very high priority interrupt that drives virtual DMA for Tx. (3) A normal priority virtual interrupt that does the normal UART interrupt stuff and is shared between Rx and Tx. mn10300_serial_stop_tx() only disables the high priority Tx interrupt. It doesn't also disable the normal priority one because it is shared with Rx. However, the high priority interrupt may interrupt local_irq_disabled() sections, and so may have queued up a low priority virtual interrupt whilst the UART driver is asking for the Tx interrupt to be disabled. The result of this can be an oops when we try to process the interrupt in mn10300_serial_transmit_interrupt() as port->uart.info and port->uart.info->tty may have gone away. To deal with this, if either of those pointers is NULL, we make sure the high-priority Tx interrupt is disabled and discard the interrupt. The low priority interrupt is disabled by the mn10300_serial_pic irq_chip table. Signed-off-by: Akira Takeuchi <takeuchi.akr@jp.panasonic.com> Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Cyrill Gorcunov authored
Include the linux/page.h header into the MN10300 kernel linker script thus allowing us to use PAGE_SIZE macro instead of a numeric constant. Also use the PERCPU macro instead of an explicit section definition. Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com> Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6Linus Torvalds authored
* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: crypto: api - Disallow cryptomgr as a module if algorithms are built-in
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git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6Linus Torvalds authored
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6: PCIe: ASPM: Break out of endless loop waiting for PCI config bits to switch PCI: stop leaking 'slot_name' in pci_create_slot
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git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6Linus Torvalds authored
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6: [IA64] SN: prevent IRQ retargetting in request_irq() [IA64] Fix section mismatch ioc3uart_init()/ioc3uart_submodule [IA64] Clear up section mismatch for ioc4_ide_attach_one. [IA64] Clear up section mismatch with arch_unregister_cpu() [IA64] Clear up section mismatch for sn_check_wars. [IA64] Updated the generic_defconfig to work with the 2.6.28-rc7 kernel. [IA64] Fix GRU compile error w/o CONFIG_HUGETLB_PAGE [IA64] eliminate NULL test and memset after alloc_bootmem [IA64] remove BUILD_BUG_ON from paravirt_getreg()
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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: Better than nothing implementation of PCI mmap to fix X.
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Kay Sievers authored
The pktcdvd created class devices only export some sysfs files, but have no char dev_t registered in the driver. At class device creation time they copy the dev_t value of the block device to the char device, wich will register a new char device in the driver core and userspace, with a conflicting dev_t value. In many cases the class devices dev_t just points to a random USB device. This fixes the sysfs "duplicate entry" errors. Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Acked-by: Peter Osterlund <petero2@telia.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6Linus Torvalds authored
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6: firewire: fw-ohci: fix IOMMU resource exhaustion ieee1394: node manager causes up to ~3.25s delay in freezing tasks
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Andrew Morton authored
sparc64: drivers/video/mb862xx/mb862xxfb.c:929: warning: long long unsigned int format, resource_size_t arg (arg 4) drivers/video/mb862xx/mb862xxfb.c:931: warning: long long unsigned int format, resource_size_t arg (arg 4) We don't know what type the architecture uses to implement u64, hence they cannot be printed. Cc: Anatolij Gustschin <agust@denx.de> Cc: Dmitry Baryshkov <dbaryshkov@gmail.com> Cc: Anton Vorontsov <avorontsov@ru.mvista.com> Cc: Matteo Fortini <m.fortini@selcomgroup.com> Cc: Krzysztof Helt <krzysztof.h1@poczta.fm> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Hugh Dickins authored
Miles Lane tailing /sys files hit a BUG which Pekka Enberg has tracked to my 966c8c12 sprint_symbol(): use less stack exposing a bug in slub's list_locations() - kallsyms_lookup() writes a 0 to namebuf[KSYM_NAME_LEN-1], but that was beyond the end of page provided. The 100 slop which list_locations() allows at end of page looks roughly enough for all the other stuff it might print after the symbol before it checks again: break out KSYM_SYMBOL_LEN earlier than before. Latencytop and ftrace and are using KSYM_NAME_LEN buffers where they need KSYM_SYMBOL_LEN buffers, and vmallocinfo a 2*KSYM_NAME_LEN buffer where it wants a KSYM_SYMBOL_LEN buffer: fix those before anyone copies them. [akpm@linux-foundation.org: ftrace.h needs module.h] Signed-off-by: Hugh Dickins <hugh@veritas.com> Cc: Christoph Lameter <cl@linux-foundation.org> Cc Miles Lane <miles.lane@gmail.com> Acked-by: Pekka Enberg <penberg@cs.helsinki.fi> Acked-by: Steven Rostedt <srostedt@redhat.com> Acked-by: Frederic Weisbecker <fweisbec@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>
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Dmitri Monakhov authored
On umount two event will be dispatched to watcher: 1: inotify_dev_queue_event(.., IN_UNMOUNT,..) 2: remove_watch(watch, dev) ->inotify_dev_queue_event(.., IN_IGNORED, ..) But if watcher has IN_ONESHOT bit set then the watcher will be released inside first event. Which result in accessing invalid object later. IMHO it is not pure regression. This bug wasn't triggered while initial inotify interface testing phase because of another bug in IN_ONESHOT handling logic :) commit ac74c00e Author: Ulisses Furquim <ulissesf@gmail.com> Date: Fri Feb 8 04:18:16 2008 -0800 inotify: fix check for one-shot watches before destroying them As the IN_ONESHOT bit is never set when an event is sent we must check it in the watch's mask and not in the event's mask. TESTCASE: mkdir mnt mount -ttmpfs none mnt mkdir mnt/d ./inotify mnt/d& umount mnt ## << lockup or crash here TESTSOURCE: /* gcc -oinotify inotify.c */ #include <stdio.h> #include <stdlib.h> #include <sys/inotify.h> int main(int argc, char **argv) { char buf[1024]; struct inotify_event *ie; char *p; int i; ssize_t l; p = argv[1]; i = inotify_init(); inotify_add_watch(i, p, ~0); l = read(i, buf, sizeof(buf)); printf("read %d bytes\n", l); ie = (struct inotify_event *) buf; printf("event mask: %d\n", ie->mask); return 0; } Signed-off-by: Dmitri Monakhov <dmonakhov@openvz.org> Cc: John McCutchan <ttb@tentacle.dhs.org> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Robert Love <rlove@google.com> Cc: Ulisses Furquim <ulissesf@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Eric Dumazet authored
atomic_long_xchg() is not correctly defined for 32bit arches. Signed-off-by: Eric Dumazet <dada1@cosmosbay.com> Cc: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Brice Goglin authored
Since commit 2f007e74, do_pages_stat() gets the page address from user-space and puts the corresponding status back while holding the mmap_sem for read. There is no need to hold mmap_sem there while some page-faults may occur. This patch adds a temporary address and status buffer so as to only hold mmap_sem while working on these kernel buffers. This is implemented by extracting do_pages_stat_array() out of do_pages_stat(). Signed-off-by: Brice Goglin <Brice.Goglin@inria.fr> Cc: Christoph Lameter <clameter@sgi.com> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: Nick Piggin <npiggin@suse.de> Cc: Hugh Dickins <hugh@veritas.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Balaji Rao authored
Signed-off-by: Balaji Rao <balajirrao@gmail.com> Acked-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Matt Mackall authored
The large pages fix from bcf8039e broke 32-bit pagemap by pulling the pagemap entry code out into a function with the wrong return type. Pagemap entries are 64 bits on all systems and unsigned long is only 32 bits on 32-bit systems. Signed-off-by: Matt Mackall <mpm@selenic.com> Reported-by: Doug Graham <dgraham@nortel.com> Cc: Alexey Dobriyan <adobriyan@gmail.com> Cc: Dave Hansen <dave@linux.vnet.ibm.com> Cc: <stable@kernel.org> [2.6.26.x, 2.6.27.x] Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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KAMEZAWA Hiroyuki authored
Fix a total bootup freeze on ia64. Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Tested-by: Li Zefan <lizf@cn.fujitsu.com> Reported-by: Li Zefan <lizf@cn.fujitsu.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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