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* SUNRPC: Rename xs_bind() to prepare for IPv6-specific bind methodChuck Lever2007-10-091-5/+6
| | | | | | | Prepare for introduction of IPv6-specific socket bind function. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* SUNRPC: Introduce support for setting the port number in IPv6 addressesChuck Lever2007-10-091-2/+11
| | | | | | | | We could clone xs_set_port, but this is easier overall. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Cc: Aurelien Charbon <aurelien.charbon@ext.bull.net> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* SUNRPC: add support for IPv6 to the kernel's rpcbind clientChuck Lever2007-10-091-6/+45
| | | | | | | | | | | | | | | Prepare for adding IPv6 support to the RPC client by adding IPv6 capabilities to rpcbind. Note that this is support on the query side only; registering IPv6 addresses with the local portmapper will come later. Note we have to take care not to fall back to using version 2 of the rpcbind protocol if we're dealing with IPv6 address. Version 2 doesn't support IPv6 at all. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Cc: Aurelien Charbon <aurelien.charbon@ext.bull.net> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* SUNRPC: add a function to format IPv6 addressesChuck Lever2007-10-091-0/+52
| | | | | | | | Clone xs_format_ipv4_peer_addresses into an IPv6 version. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Cc: Aurelien Charbon <aurelien.charbon@ext.bull.net> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* SUNRPC: Rename xs_format_peer_addressesChuck Lever2007-10-091-3/+3
| | | | | | | | | Prepare to add an IPv6 version of xs_format_peer_addresses by renaming it to xs_format_ipv4_peer_addresses. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Cc: Aurelien Charbon <aurelien.charbon@ext.bull.net> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* SUNRPC: Add hex-formatted address support to rpc_peeraddr2str()Chuck Lever2007-10-092-0/+16
| | | | | | | | | | | Add support for the NFS client's need to export volume information with IP addresses formatted in hex instead of decimal. This isn't used yet, but subsequent patches (not in this series) will change the NFS client to use this functionality. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* SUNRPC: Free address buffers in a loopChuck Lever2007-10-091-7/+12
| | | | | | | | | Use more generic logic to free buffers holding formatted addresses. This makes it less likely a bug will be introduced when adding additional buffer types in xs_format_peer_address(). Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* SUNRPC: Use standard macros for printing IP addressesChuck Lever2007-10-091-2/+2
| | | | | | | | include/linux/kernel.h gives us some nice macros for formatting IP addresses. Use them. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* SUNRPC: Fix a signed v. unsigned comparison in net/sunrpc/xprtsock.cChuck Lever2007-10-091-1/+2
| | | | | Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* SUNRPC: Fix a signed v. unsigned comparison in rpcbind's XDR routinesChuck Lever2007-10-091-2/+3
| | | | | Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* [NFS] [PATCH] NFS: show addr=ipaddr in /proc/mounts rather thanJeff Layton2007-10-091-2/+2
| | | | | | | | | | | | | | | A minor thing, but useful when working with a server with multiple addrs. This looks like it might also be necessary if Miklos' effort to eliminate /etc/mtab ever comes to fruition. When displaying mount options in /proc/mounts, the kernel prints "addr=hostname". This info is redundant since we already have the hostname displayed as part of the "device" section of the mount. This patch changes it to display the IP address to which the socket is connected. Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* [NFS] [PATCH] nfs: tiny makefile cleanupChristoph Hellwig2007-10-091-1/+0
| | | | | | | no need to set up foo-objs these days. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* Re: [NFS] [PATCH] Attribute timeout handling and wrapping u32 jiffiesFabio Olive Leite2007-10-093-3/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | I would like to discuss the idea that the current checks for attribute timeout using time_after are inadequate for 32bit architectures, since time_after works correctly only when the two timestamps being compared are within 2^31 jiffies of each other. The signed overflow caused by comparing values more than 2^31 jiffies apart will flip the result, causing incorrect assumptions of validity. 2^31 jiffies is a fairly large period of time (~25 days) when compared to the lifetime of most kernel data structures, but for long lived NFS mounts that can sit idle for months (think that for some reason autofs cannot be used), it is easy to compare inode attribute timestamps with very disparate or even bogus values (as in when jiffies have wrapped many times, where the comparison doesn't even make sense). Currently the code tests for attribute timeout by simply adding the desired amount of jiffies to the stored timestamp and comparing that with the current timestamp of obtained attribute data with time_after. This is incorrect, as it returns true for the desired timeout period and another full 2^31 range of jiffies. In testing with artificial jumps (several small jumps, not one big crank) of the jiffies I was able to reproduce a problem found in a server with very long lived NFS mounts, where attributes would not be refreshed even after touching files and directories in the server: Initial uptime: 03:42:01 up 6 min, 0 users, load average: 0.01, 0.12, 0.07 NFS volume is mounted and time is advanced: 03:38:09 up 25 days, 2 min, 0 users, load average: 1.22, 1.05, 1.08 # ls -l /local/A/foo/bar /nfs/A/foo/bar -rw-r--r-- 1 root root 0 Dec 17 03:38 /local/A/foo/bar -rw-r--r-- 1 root root 0 Nov 22 00:36 /nfs/A/foo/bar # touch /local/A/foo/bar # ls -l /local/A/foo/bar /nfs/A/foo/bar -rw-r--r-- 1 root root 0 Dec 17 03:47 /local/A/foo/bar -rw-r--r-- 1 root root 0 Nov 22 00:36 /nfs/A/foo/bar We can see the local mtime is updated, but the NFS mount still shows the old value. The patch below makes it work: Initial setup... 07:11:02 up 25 days, 1 min, 0 users, load average: 0.15, 0.03, 0.04 # ls -l /local/A/foo/bar /nfs/A/foo/bar -rw-r--r-- 1 root root 0 Jan 11 07:11 /local/A/foo/bar -rw-r--r-- 1 root root 0 Jan 11 07:11 /nfs/A/foo/bar # touch /local/A/foo/bar # ls -l /local/A/foo/bar /nfs/A/foo/bar -rw-r--r-- 1 root root 0 Jan 11 07:14 /local/A/foo/bar -rw-r--r-- 1 root root 0 Jan 11 07:14 /nfs/A/foo/bar Signed-off-by: Fabio Olive Leite <fleite@redhat.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* 64 bit ino support for NFS clientPeter Staubach2007-10-093-10/+13
| | | | | | | | | | | | | | | | | | | | | | | | | Hi. Attached is a patch to modify the NFS client code to support 64 bit ino's, as appropriate for the system and the NFS protocol version. The code basically just expand the NFS interfaces for routines which handle ino's from using ino_t to u64 and then uses the fileid in the nfs_inode instead of i_ino in the inode. The code paths that were updated are in the getattr method and the readdir methods. This should be no real change on 64 bit platforms. Since the ino_t is an unsigned long, it would already be 64 bits wide. Thanx... ps Signed-off-by: Peter Staubach <staubach@redhat.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* SUNRPC: Convert rpc_pipefs to use the generic filesystem notification hooksTrond Myklebust2007-10-092-3/+5
| | | | | | | | | | | This will allow rpc.gssd to use inotify instead of dnotify in order to locate new rpc upcall pipes. This also requires the exporting of __audit_inode_child(), which is used by fsnotify_create() and fsnotify_mkdir(). Ccing David Woodhouse. Cc: David Woodhouse <dwmw2@infradead.org> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* NFS: Fall back to synchronous writes when a background write errors...Trond Myklebust2007-10-093-23/+57
| | | | | | | | This helps prevent huge queues of background writes from building up whenever the server runs out of disk or quota space, or if someone changes the file access modes behind our backs. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* NFS: Writeback optimisationTrond Myklebust2007-10-091-10/+22
| | | | | | | Schedule writes using WB_SYNC_NONE first, then come back for a second pass using WB_SYNC_ALL. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* NFS: Clean up NFS writeback flush codeTrond Myklebust2007-10-093-29/+16
| | | | | | | | The only user of nfs_sync_mapping_range() is nfs_getattr(), which uses it to flush out the entire inode without sending a commit. We therefore replace nfs_sync_mapping_range with a more appropriate helper. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* VFS: Remove writeback_control->fs_privateTrond Myklebust2007-10-091-2/+0
| | | | | | The only user of this field was NFS. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* NFS: Clean up nfs_writepages()Trond Myklebust2007-10-091-24/+33
| | | | | | | | Just call write_cache_pages directly instead of hacking the writeback control structure in order to find out if we were called from writepages() or directly from the VM. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* NFS: Clean up write code...Trond Myklebust2007-10-094-67/+5
| | | | | | | The addition of nfs_page_mkwrite means that We should no longer need to create requests inside nfs_writepage() Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* NFS: Add the helper nfs_vm_page_mkwriteTrond Myklebust2007-10-091-2/+33
| | | | | | | This is needed in order to set up a proper nfs_page request for mmapped files. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* Linux 2.6.23v2.6.23Linus Torvalds2007-10-091-1/+1
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* Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linusLinus Torvalds2007-10-096-11/+12
|\ | | | | | | | | | | | | * 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus: [MIPS] Au1000: set the PCI controller IO base [MIPS] Alchemy: Fix USB initialization. [MIPS] IP32: Fix fatal typo in address computation.
| * [MIPS] Au1000: set the PCI controller IO baseFlorian Fainelli2007-10-091-0/+1
| | | | | | | | | | | | | | | | | | The PCI controller IO base was not set in the au1000 pci code. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John Crispin <blogic@openwrt.org> Signed-off-by: Florian Fainelli <florian.fainelli@telecomint.eu> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * [MIPS] Alchemy: Fix USB initialization.Florian Fainelli2007-10-094-10/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch fixes a wrong ifdef in the board setup code, leading to the GPIO pin not being pulled high, and thus the USB switch not being powered at all. This finishes the rename of CONFIG_USB_OHCI to CONFIG_USB_OHCI_HCD, which started in 2005 (before 2.6.12-rc2), then probably because things were working anyway for most people got forgotten. [Ralf: Paolo's original patch didn't fix the module case, Florian's patch only fixed MTX1 etc. so this is a combined patch plus some cleanups.] Cc: Giuseppe Patanè <giuseppe.patane@tvblob.com> Cc: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John Crispin <blogic@openwrt.org> Signed-off-by: Florian Fainelli <florian.fainelli@telecomint.eu> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * [MIPS] IP32: Fix fatal typo in address computation.Giuseppe Sacco2007-10-091-1/+1
| | | | | | | | | | Signed-off-by: Giuseppe Sacco <eppesuig@debian.org> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* | NLM: Fix a memory leak in nlmsvc_testlockTrond Myklebust2007-10-091-1/+3
| | | | | | | | | | | | | | | | | | | | | | The recent fix for a circular lock dependency unfortunately introduced a potential memory leak in the event where the call to nlmsvc_lookup_host fails for some reason. Thanks to Roel Kluin for spotting this. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | sata_mv: correct S/G table limitsJeff Garzik2007-10-091-3/+6
|/ | | | | | | | | | | | The recent mv_fill_sg() rewrite, to fix a data corruption problem related to IOMMU virtual merging, forgot to account for the potentially-increased size of the scatter/gather table after its run. Additionally, the DMA boundary is reduced from 0xffffffff to 0xffff to more closely match the needs of mv_fill_sg(). Signed-off-by: Jeff Garzik <jgarzik@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Correct Makefile rule for generating custom keymapMaarten Bressers2007-10-081-1/+1
| | | | | | | | | | | | | | | | | | | | | | When building a custom keymap, after setting GENERATE_KEYMAP := 1 in drivers/char/Makefile, the kernel build fails like this: CC drivers/char/vt.o make[2]: *** No rule to make target `drivers/char/%.map', needed by `drivers/char/defkeymap.c'. Stop. make[1]: *** [drivers/char] Error 2 make: *** [drivers] Error 2 This was caused by commit af8b128719f5248e542036ea994610a29d0642a6, which deleted a necessary colon from the Makefile rule that generates the keymap, since that rule contains both a target and a target-pattern. The following patch puts the colon back: Signed-off-by: Maarten Bressers <mbres@gentoo.org> Cc: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> Cc: Ralf Baechle <ralf@linux-mips.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>
* ISDN: Fix data access out of array boundsKarsten Keil2007-10-081-2/+3
| | | | | | | | Fix against access random data bytes outside the dev->chanmap array. Thanks to Oliver Neukum for pointing me to this issue. Signed-off-by: Karsten Keil <kkeil@suse.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Merge branch 'master' of ↵Linus Torvalds2007-10-086-13/+22
|\ | | | | | | | | | | | | | | | | | | master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 * 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6: [IPv6]: Fix ICMPv6 redirect handling with target multicast address [PKT_SCHED] cls_u32: error code isn't been propogated properly [ROSE]: Fix rose.ko oops on unload [TCP]: Fix fastpath_cnt_hint when GSO skb is partially ACKed
| * [IPv6]: Fix ICMPv6 redirect handling with target multicast addressBrian Haley2007-10-081-4/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When the ICMPv6 Target address is multicast, Linux processes the redirect instead of dropping it. The problem is in this code in ndisc_redirect_rcv(): if (ipv6_addr_equal(dest, target)) { on_link = 1; } else if (!(ipv6_addr_type(target) & IPV6_ADDR_LINKLOCAL)) { ND_PRINTK2(KERN_WARNING "ICMPv6 Redirect: target address is not link-local.\n"); return; } This second check will succeed if the Target address is, for example, FF02::1 because it has link-local scope. Instead, it should be checking if it's a unicast link-local address, as stated in RFC 2461/4861 Section 8.1: - The ICMP Target Address is either a link-local address (when redirected to a router) or the same as the ICMP Destination Address (when redirected to the on-link destination). I know this doesn't explicitly say unicast link-local address, but it's implied. This bug is preventing Linux kernels from achieving IPv6 Logo Phase II certification because of a recent error that was found in the TAHI test suite - Neighbor Disovery suite test 206 (v6LC.2.3.6_G) had the multicast address in the Destination field instead of Target field, so we were passing the test. This won't be the case anymore. The patch below fixes this problem, and also fixes ndisc_send_redirect() to not send an invalid redirect with a multicast address in the Target field. I re-ran the TAHI Neighbor Discovery section to make sure Linux passes all 245 tests now. Signed-off-by: Brian Haley <brian.haley@hp.com> Acked-by: David L Stevens <dlstevens@us.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [PKT_SCHED] cls_u32: error code isn't been propogated properlyStephen Hemminger2007-10-071-1/+1
| | | | | | | | | | Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [ROSE]: Fix rose.ko oops on unloadAlexey Dobriyan2007-10-073-8/+13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Commit a3d384029aa304f8f3f5355d35f0ae274454f7cd aka "[AX.25]: Fix unchecked rose_add_loopback_neigh uses" transformed rose_loopback_neigh var into statically allocated one. However, on unload it will be kfree's which can't work. Steps to reproduce: modprobe rose rmmod rose BUG: unable to handle kernel NULL pointer dereference at virtual address 00000008 printing eip: c014c664 *pde = 00000000 Oops: 0000 [#1] PREEMPT DEBUG_PAGEALLOC Modules linked in: rose ax25 fan ufs loop usbhid rtc snd_intel8x0 snd_ac97_codec ehci_hcd ac97_bus uhci_hcd thermal usbcore button processor evdev sr_mod cdrom CPU: 0 EIP: 0060:[<c014c664>] Not tainted VLI EFLAGS: 00210086 (2.6.23-rc9 #3) EIP is at kfree+0x48/0xa1 eax: 00000556 ebx: c1734aa0 ecx: f6a5e000 edx: f7082000 esi: 00000000 edi: f9a55d20 ebp: 00200287 esp: f6a5ef28 ds: 007b es: 007b fs: 0000 gs: 0033 ss: 0068 Process rmmod (pid: 1823, ti=f6a5e000 task=f7082000 task.ti=f6a5e000) Stack: f9a55d20 f9a5200c 00000000 00000000 00000000 f6a5e000 f9a5200c f9a55a00 00000000 bf818cf0 f9a51f3f f9a55a00 00000000 c0132c60 65736f72 00000000 f69f9630 f69f9528 c014244a f6a4e900 00200246 f7082000 c01025e6 00000000 Call Trace: [<f9a5200c>] rose_rt_free+0x1d/0x49 [rose] [<f9a5200c>] rose_rt_free+0x1d/0x49 [rose] [<f9a51f3f>] rose_exit+0x4c/0xd5 [rose] [<c0132c60>] sys_delete_module+0x15e/0x186 [<c014244a>] remove_vma+0x40/0x45 [<c01025e6>] sysenter_past_esp+0x8f/0x99 [<c012bacf>] trace_hardirqs_on+0x118/0x13b [<c01025b6>] sysenter_past_esp+0x5f/0x99 ======================= Code: 05 03 1d 80 db 5b c0 8b 03 25 00 40 02 00 3d 00 40 02 00 75 03 8b 5b 0c 8b 73 10 8b 44 24 18 89 44 24 04 9c 5d fa e8 77 df fd ff <8b> 56 08 89 f8 e8 84 f4 fd ff e8 bd 32 06 00 3b 5c 86 60 75 0f EIP: [<c014c664>] kfree+0x48/0xa1 SS:ESP 0068:f6a5ef28 Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [TCP]: Fix fastpath_cnt_hint when GSO skb is partially ACKedIlpo Järvinen2007-10-071-0/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When only GSO skb was partially ACKed, no hints are reset, therefore fastpath_cnt_hint must be tweaked too or else it can corrupt fackets_out. The corruption to occur, one must have non-trivial ACK/SACK sequence, so this bug is not very often that harmful. There's a fackets_out state reset in TCP because fackets_out is known to be inaccurate and that fixes the issue eventually anyway. In case there was also at least one skb that got fully ACKed, the fastpath_skb_hint is set to NULL which causes a recount for fastpath_cnt_hint (the old value won't be accessed anymore), thus it can safely be decremented without additional checking. Reported by Cedric Le Goater <clg@fr.ibm.com> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi> Signed-off-by: David S. Miller <davem@davemloft.net>
* | AIO: fix cleanup in io_submit_one(...)Yan Zheng2007-10-081-1/+1
| | | | | | | | | | | | | | | | | | | | | | When IOCB_FLAG_RESFD flag is set and iocb->aio_resfd is incorrect, statement 'goto out_put_req' is executed. At label 'out_put_req', aio_put_req(..) is called, which requires 'req->ki_filp' set. Signed-off-by: Yan Zheng<yanzheng@21cn.com> Cc: Zach Brown <zach.brown@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | fix page release issue in filemap_faultYan Zheng2007-10-081-0/+1
| | | | | | | | | | | | | | | | | | | | find_lock_page increases page's usage count, we should decrease it before return VM_FAULT_SIGBUS Signed-off-by: Yan Zheng<yanzheng@21cn.com> Cc: Nick Piggin <nickpiggin@yahoo.com.au> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | fix VM_CAN_NONLINEAR check in sys_remap_file_pagesYan Zheng2007-10-081-1/+1
| | | | | | | | | | | | | | | | The test for VM_CAN_NONLINEAR always fails Signed-off-by: Yan Zheng<yanzheng@21cn.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | mm: set_page_dirty_balance() vs ->page_mkwrite()Peter Zijlstra2007-10-083-5/+10
|/ | | | | | | | | | | | | | All the current page_mkwrite() implementations also set the page dirty. Which results in the set_page_dirty_balance() call to _not_ call balance, because the page is already found dirty. This allows us to dirty a _lot_ of pages without ever hitting balance_dirty_pages(). Not good (tm). Force a balance call if ->page_mkwrite() was successful. Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Driver core: fix SYSF_DEPRECATED breakage for nested classdevsDmitry Torokhov2007-10-071-3/+7
| | | | | | | | | | | We should only reparent to a class former class devices that form the base of class hierarchy. Nested devices should still grow from their real parents. Signed-off-by: Dmitry Torokhov <dtor@mail.ru> Tested-by: Andrey Borzenkov <arvidjaar@mail.ru> Tested-by: Anssi Hannula <anssi.hannula@gmail.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Merge branch 'for-linus' of ↵Linus Torvalds2007-10-071-1/+2
|\ | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6: firewire: point to migration document
| * firewire: point to migration documentStefan Richter2007-10-071-1/+2
| | | | | | | | Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
* | Add manufacturer and card id of teltonica pcmcia modemsAttila Kinali2007-10-071-0/+1
| | | | | | | | | | | | | | | | | | Add the manufacturer and card id of teltonica pcmcia modems to serial_cs.c Signed-off-by: Attila Kinali <attila@kinali.ch> Acked-by: Alan Cox <alan@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | sysrq docs: document sequence that actually worksPavel Machek2007-10-071-1/+1
| | | | | | | | | | | | | | | | | | Document sequence of keypresses that actually works. Yes, this changed year-or-so ago. Signed-off-by: Pavel Machek <pavel@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | fix bogus reporting of signals by auditAl Viro2007-10-071-11/+11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Async signals should not be reported as sent by current in audit log. As it is, we call audit_signal_info() too early in check_kill_permission(). Note that check_kill_permission() has that test already - it needs to know if it should apply current-based permission checks. So the solution is to move the call of audit_signal_info() between those. Bogosity in question is easily reproduced - add a rule watching for e.g. kill(2) from specific process (so that audit_signal_info() would not short-circuit to nothing), say load_policy, watch the bogus OBJ_PID entry in audit logs claiming that write(2) on selinuxfs file issued by load_policy(8) had somehow managed to send a signal to syslogd... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Acked-by: Steve Grubb <sgrubb@redhat.com> Acked-by: Eric Paris <eparis@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | Move kasprintf.o to obj-yAlexey Dobriyan2007-10-071-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | Modulat lguest started giving linking errors MODPOST 1 modules ERROR: "kasprintf" [drivers/lguest/lg.ko] undefined! Signed-off-by: Alexey Dobriyan <adobriyan@sw.ru> 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>
* | lockstat: documentationPeter Zijlstra2007-10-072-0/+122
| | | | | | | | | | | | | | | | | | | | | | Provide some documentation for CONFIG_LOCK_STAT. Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Acked-by: Ingo Molnar <mingo@elte.hu> Cc: "Randy.Dunlap" <rdunlap@xenotime.net> Cc: Rob Landley <rob@landley.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | Longhaul: add auto enabled "revid_errata" optionRafal Bilski2007-10-071-3/+57
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | VIA C3 Ezra-T has RevisionID equal to 1, but it needs RevisionKey to be 0 or CPU will ignore new frequency and will continue to work at old frequency. New "revid_errata" option will force RevisionKey to be set to 0, whatever RevisionID is. Additionaly "Longhaul" will not silently ignore unsuccessful transition. It will try to check if "revid_errata" or "disable_acpi_c3" options need to be enabled for this processor/system. Same for Longhaul ver. 2 support. It will be disabled if none of above options will work. Best case scenario (with patch apllied and v2 enabled): longhaul: VIA C3 'Ezra' [C5C] CPU detected. Longhaul v2 supported. longhaul: Using northbridge support. longhaul: VRM 8.5 longhaul: Max VID=1.350 Min VID=1.050, 13 possible voltage scales longhaul: f: 300000 kHz, index: 0, vid: 1050 mV [...] longhaul: Voltage scaling enabled. Worst case scenario: longhaul: VIA C3 'Ezra-T' [C5M] CPU detected. Powersaver supported. longhaul: Using northbridge support. longhaul: Using ACPI support. longhaul: VRM 8.5 longhaul: Claims to support voltage scaling but min & max are both 1.250. Voltage scaling disabled longhaul: Failed to set requested frequency! longhaul: Enabling "Ignore Revision ID" option. longhaul: Failed to set requested frequency! longhaul: Disabling ACPI C3 support. longhaul: Disabling "Ignore Revision ID" option. longhaul: Failed to set requested frequency! longhaul: Enabling "Ignore Revision ID" option. [akpm@linux-foundation.org: coding-style cleanups] Signed-off-by: Rafal Bilski <rafalbilski@interia.pl> Signed-off-by: Dave Jones <davej@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | Fix timer_stats printout of events/secAnton Blanchard2007-10-071-2/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When using /proc/timer_stats on ppc64 I noticed the events/sec field wasnt accurate. Sometimes the integer part was incorrect due to rounding (we werent taking the fractional seconds into consideration). The fraction part is also wrong, we need to pad the printf statement and take the bottom three digits of 1000 times the value. Signed-off-by: Anton Blanchard <anton@samba.org> Acked-by: Ingo Molnar <mingo@elte.hu> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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