- 08 Jun, 2007 25 commits
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Paul Mundt authored
We have to call in to sparse_memory_present_with_active_regions() earlier in order for sparsemem to be happy. This was being called too late, and was causing troubles with the platforms that needed to enable sparsemem. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Paul Mundt authored
If we have multiple nodes, register these at topology_init() time. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Paul Mundt authored
Handy for debugging bootmem troubles. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Paul Mundt authored
This implements basic sparsemem support for SH. Presently this only uses static sparsemem, and we still permit explicit selection of flatmem. Those boards that want sparsemem can select it as usual. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Paul Mundt authored
pfn_valid() is already defined in the sparsemem case, so we only need to define this for CONFIG_FLATMEM. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Nobuhiro Iwamatsu authored
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Takashi YOSHII authored
.machvec.init can be misaligned with the recent machvec changes, forcibly align it on the boundary that it expects, as before. Signed-off-by: Takashi YOSHII <takashi.yoshii.ze@hitachi.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Paul Mundt authored
Now that select no longer works for selecting the "closest" CPU, we have to explicitly reference the precise sub-type in the few places where it actually matters (presently only setup code and some legacy sh-sci cruft). Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Paul Mundt authored
This kills off the BareCPU board as a "special" machvec, rather, we leave this as a default for when no other vector is available, or when we want to use it in combination with other vectors for testing with generic ops. As sh_mv is copied out anyways (or overloaded when an alternate vector is explicitly selected), this doesn't consume any additional memory. The generic machvec can be forcibly selected with sh_mv=generic, or by not having any other boards enabled. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Paul Mundt authored
We now throw all of the machvecs in to .machvec.init and either select one on the command line, or copy out the first (and usually only) one to sh_mv. The rest are freed as usual. This gets rid of all of the silly sh_mv aliasing and makes the selection explicit rather than link-order dependent. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Paul Mundt authored
This tidies up the build rules and permits multiple boards to be linked in to the same kernel. The earlier Kconfig work ensures that the CPU configuration is consistent across the boards, as this is the only thing that we can't do dynamically. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Paul Mundt authored
The command line wasn't being saved off properly after the machvec changes went in, fix it up. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Paul Mundt authored
This was a big mess, rework the logic a bit so that we constrain to a particular subtype and figure out the board support based on that. This makes building subtype specific kernels supporting multiple boards possible again. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Paul Mundt authored
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Paul Mundt authored
This fixes up much of the machvec handling, allowing for it to be overloaded on boot. Making practical use of this still requires some Kconfig munging, however. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Paul Mundt authored
This adds in some more __user annotations. These weren't being handled properly in some of the __get_user and __put_user paths, so tidy those up. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Paul Mundt authored
Split out the CPU topology initialization to a separate file, and switch it to a percpu type, rather than an NR_CPUS array. At the same time, switch to only registering present CPUs, rather than using the possible CPU map. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Bryan Wu authored
This bug was caught by LTP testcase fchmod06 on Blackfin platform. In the manpage of fchmod, "EPERM: The effective UID does not match the owner of the file, and the process is not privileged (Linux: it does not have the CAP_FOWNER capability)." But the ramfs nommu code missed the inode_change_ok POSIX UID/GID verification. This patch fixed this. Signed-off-by: Bryan Wu <bryan.wu@analog.com> Cc: David Howells <dhowells@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.linux-xtensa.org/kernel/xtensa-feedLinus Torvalds authored
* git://git.linux-xtensa.org/kernel/xtensa-feed: Xtensa: use asm-generic/fcntl.h [XTENSA] Remove non-rt signal handling [XTENSA] Move common sections into bss sections [XTENSA] clean-up header files [XTENSA] Use generic 64-bit division [XTENSA] Remove multi-exported symbols from xtensa_ksyms.c [XTENSA] fix sources using deprecated assembler directive [XTENSA] Spelling fixes in arch/xtensa [XTENSA] fix bit operations in bitops.h
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Linus Torvalds authored
* 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6: [SPARC64]: Fix SBUS IRQ regression caused by PCI-E driver. [SPARC64]: Fix 2 bugs in PCI Sabre bus scanning.
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Linus Torvalds authored
* 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6: (24 commits) xfrm: Add security check before flushing SAD/SPD [NET_SCHED]: Fix filter double free [NET]: Avoid duplicate netlink notification when changing link state [UDP]: Revert 2-pass hashing changes. [AF_UNIX]: Fix stream recvmsg() race. [NETFILTER]: nf_conntrack_amanda: fix textsearch_prepare() error check [NETFILTER]: ip_tables: fix compat related crash [NETFILTER]: nf_conntrack: fix helper module unload races [RTNETLINK]: ifindex 0 does not exist [NETLINK]: Mark netlink policies const [TCP] tcp_probe: Attach printf attribute properly to printl(). [TCP]: Use LIMIT_NETDEBUG in tcp_retransmit_timer(). [NET]: Merge dst_discard_in and dst_discard_out. [RFKILL]: Make rfkill->name const [IPV4]: Restore old behaviour of default config values [IPV4]: Add default config support after inetdev_init [IPV4]: Convert IPv4 devconf to an array [IPV4]: Only panic if inetdev_init fails for loopback [TCP]: Honour sk_bound_dev_if in tcp_v4_send_ack [BNX2]: Update version and reldate. ...
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Steven Rostedt authored
This is a minor fix, but what is currently there is essentially wrong. In do_page_fault, if the faulting address from user code happens to be in kernel address space (int *p = (int*)-1; p = 0xbed;) then the do_page_fault handler will jump over the local_irq_enable with the goto bad_area_nosemaphore; But the first line there sees this is user code and goes through the process of sending a signal to send SIGSEGV to the user task. This whole time interrupts are disabled and the task can not be preempted by a higher priority task. This patch always enables interrupts in the user path of the bad_area_nosemaphore. Signed-off-by: Steven Rostedt <rostedt@goodmis.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Linus Torvalds authored
* master.kernel.org:/home/rmk/linux-2.6-arm: [ARM] pxa: fix pxa27x keyboard driver [ARM] Fix 4417/1: Serial: Fix AMBA drivers locking [ARM] 4421/1: AT91: Value of _KEY fields. [ARM] Solve buggy smp_processor_id() usage [ARM] 4422/1: Fix default value handling in gpio_direction_output (PXA) [ARM] 4419/1: AT91: SAM9 USB clocks check for suspending [ARM] 4418/1: AT91: Number of programmable clocks differs [ARM] 4392/2: Do not corrupt the SP register in compressed/head.S
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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] Fix warning by moving do_default_vi into CONFIG_CPU_MIPSR2_SRS [MIPS] Fix some minor typoes in arch/mips/Kconfig. [MIPS] Remove prototype for deleted function qemu_handle_int [MIPS] Fix some system calls with long long arguments [MIPS] Make dma_map_sg handle sg elements which are longer than one page [MIPS] Drop __ARCH_WANT_SYS_FADVISE64 [MIPS] Fix VGA corruption on RM300C [MIPS] RM300: Fix MMIO problems by marking the PCI INT ACK region busy [MIPS] EMMA2RH: remove dead KGDB code [MIPS] Remove duplicate fpu enable hazard code. [MIPS] Atlas, Malta, SEAD: Remove scroll from interrupt handler.
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Peter Zijlstra authored
In file included from /usr/src/linux-2.6-2/net/ipv4/ip_input.c:118: include2/asm/system.h:245: error: parse error before "__cmpxchg_32" include2/asm/system.h:245: error: parse error before '*' token include2/asm/system.h:245: warning: type defaults to `int' in declaration of `__cmpxchg_32' include2/asm/system.h:245: warning: function declaration isn't a prototype include2/asm/system.h:245: warning: data definition has no type or storage class Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Acked-by: David Howells <dhowells@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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- 07 Jun, 2007 15 commits
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David S. Miller authored
We used to access the 64-bit IRQ IMAP and ICLR registers of bus controllers 4-bytes in and as a 32-bit register word, since only the low 32-bits were relevant. This seemed like a good idea at the time. But the PCI-E controller requires full 8-byte 64-bit access to these registers, so we switched over to accessing them fully. SBUS was not adjusted properly, which broke interrupts completely. Signed-off-by: David S. Miller <davem@davemloft.net>
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David S. Miller authored
If we are on hummingbird, bus runs at 66MHZ. pbm->pci_bus should be setup with the result of pci_scan_one_pbm() or else we deref NULL pointers in the error interrupt handlers. Signed-off-by: David S. Miller <davem@davemloft.net>
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Joy Latten authored
Currently we check for permission before deleting entries from SAD and SPD, (see security_xfrm_policy_delete() security_xfrm_state_delete()) However we are not checking for authorization when flushing the SPD and the SAD completely. It was perhaps missed in the original security hooks patch. This patch adds a security check when flushing entries from the SAD and SPD. It runs the entire database and checks each entry for a denial. If the process attempting the flush is unable to remove all of the entries a denial is logged the the flush function returns an error without removing anything. This is particularly useful when a process may need to create or delete its own xfrm entries used for things like labeled networking but that same process should not be able to delete other entries or flush the entire database. Signed-off-by: Joy Latten<latten@austin.ibm.com> Signed-off-by: Eric Paris <eparis@parisplace.org> Signed-off-by: James Morris <jmorris@namei.org>
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Patrick McHardy authored
cbq and atm destroy their filters twice when destroying inner classes during qdisc destruction. Reported-and-tested-by: Strobl Anton <a.strobl@aws-it.at> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
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Thomas Graf authored
When changing the link state from userspace not affecting any other flags. Two duplicate notification are being sent, once as action in the NETDEV_UP/NETDEV_DOWN notification chain and a second time when comparing old and new device flags after the change has been completed. Although harmless, the duplicates should be avoided. Signed-off-by: Thomas Graf <tgraf@suug.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
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David S. Miller authored
This reverts changesets: 6aaf47fa b7b5f487 de34ed91 fc038410 There are still some correctness issues recently discovered which do not have a known fix that doesn't involve doing a full hash table scan on port bind. So revert for now. Signed-off-by: David S. Miller <davem@davemloft.net>
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Miklos Szeredi authored
A recv() on an AF_UNIX, SOCK_STREAM socket can race with a send()+close() on the peer, causing recv() to return zero, even though the sent data should be received. This happens if the send() and the close() is performed between skb_dequeue() and checking sk->sk_shutdown in unix_stream_recvmsg(): process A skb_dequeue() returns NULL, there's no data in the socket queue process B new data is inserted onto the queue by unix_stream_sendmsg() process B sk->sk_shutdown is set to SHUTDOWN_MASK by unix_release_sock() process A sk->sk_shutdown is checked, unix_release_sock() returns zero I'm surprised nobody noticed this, it's not hard to trigger. Maybe it's just (un)luck with the timing. It's possible to work around this bug in userspace, by retrying the recv() once in case of a zero return value. Signed-off-by: Miklos Szeredi <mszeredi@suse.cz> Signed-off-by: David S. Miller <davem@davemloft.net>
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Akinobu Mita authored
The return value from textsearch_prepare() needs to be checked by IS_ERR(). Because it returns error code as a pointer. Cc: "Brian J. Murrell" <netfilter@interlinx.bc.ca> Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
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Dmitry Mishin authored
check_compat_entry_size_and_hooks iterates over the matches and calls compat_check_calc_match, which loads the match and calculates the compat offsets, but unlike the non-compat version, doesn't call ->checkentry yet. On error however it calls cleanup_matches, which in turn calls ->destroy, which can result in crashes if the destroy function (validly) expects to only get called after the checkentry function. Add a compat_release_match function that only drops the module reference on error and rename compat_check_calc_match to compat_find_calc_match to reflect the fact that it doesn't call the checkentry function. Reported by Jan Engelhardt <jengelh@linux01.gwdg.de> Signed-off-by: Dmitry Mishin <dim@openvz.org> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
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Patrick McHarrdy authored
When a helper module is unloaded all conntracks refering to it have their helper pointer NULLed out, leading to lots of races. In most places this can be fixed by proper use of RCU (they do already check for != NULL, but in a racy way), additionally nf_conntrack_expect_related needs to bail out when no helper is present. Also remove two paranoid BUG_ONs in nf_conntrack_proto_gre that are racy and not worth fixing. Signed-off-by: Patrick McHarrdy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
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Patrick McHardy authored
ifindex == 0 does not exist and implies we should do a lookup by name if one was given. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
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Patrick McHardy authored
Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
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David S. Miller authored
GCC doesn't like the way Stephen initially did it: net/ipv4/tcp_probe.c:83: warning: empty declaration Signed-off-by: David S. Miller <davem@davemloft.net>
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Eric Dumazet authored
LIMIT_NETDEBUG allows the admin to disable some warning messages (echo 0 >/proc/sys/net/core/warnings). The "TCP: Treason uncloaked!" message can use this facility. Signed-off-by: Eric Dumazet <dada1@cosmosbay.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Denis Cheng authored
Signed-off-by: Denis Cheng <crquan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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