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* Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds2007-04-24
|\ | | | | | | | | | | | | | | * master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6: [BNX2]: Fix occasional NETDEV WATCHDOG on 5709. [IPV6]: Disallow RH0 by default. [XFRM]: beet: fix pseudo header length value [TCP]: Congestion control initialization.
| * [IPV6]: Disallow RH0 by default.YOSHIFUJI Hideaki2007-04-24
| | | | | | | | | | | | | | | | | | A security issue is emerging. Disallow Routing Header Type 0 by default as we have been doing for IPv4. Note: We allow RH2 by default because it is harmless. Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* | Taskstats fix the structure members alignment issueBalbir Singh2007-04-24
|/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We broke the the alignment of members of taskstats to the 8 byte boundary with the CSA patches. In the current kernel, the taskstats structure is not suitable for use by 32 bit applications in a 64 bit kernel. On x86_64 Offsets of taskstats' members (64 bit kernel, 64 bit application) @taskstats'offsetof[@taskstats'indices] = ( 0, # version 4, # ac_exitcode 8, # ac_flag 9, # ac_nice 16, # cpu_count 24, # cpu_delay_total 32, # blkio_count 40, # blkio_delay_total 48, # swapin_count 56, # swapin_delay_total 64, # cpu_run_real_total 72, # cpu_run_virtual_total 80, # ac_comm 112, # ac_sched 113, # ac_pad 116, # ac_uid 120, # ac_gid 124, # ac_pid 128, # ac_ppid 132, # ac_btime 136, # ac_etime 144, # ac_utime 152, # ac_stime 160, # ac_minflt 168, # ac_majflt 176, # coremem 184, # virtmem 192, # hiwater_rss 200, # hiwater_vm 208, # read_char 216, # write_char 224, # read_syscalls 232, # write_syscalls 240, # read_bytes 248, # write_bytes 256, # cancelled_write_bytes ); Offsets of taskstats' members (64 bit kernel, 32 bit application) @taskstats'offsetof[@taskstats'indices] = ( 0, # version 4, # ac_exitcode 8, # ac_flag 9, # ac_nice 12, # cpu_count 20, # cpu_delay_total 28, # blkio_count 36, # blkio_delay_total 44, # swapin_count 52, # swapin_delay_total 60, # cpu_run_real_total 68, # cpu_run_virtual_total 76, # ac_comm 108, # ac_sched 109, # ac_pad 112, # ac_uid 116, # ac_gid 120, # ac_pid 124, # ac_ppid 128, # ac_btime 132, # ac_etime 140, # ac_utime 148, # ac_stime 156, # ac_minflt 164, # ac_majflt 172, # coremem 180, # virtmem 188, # hiwater_rss 196, # hiwater_vm 204, # read_char 212, # write_char 220, # read_syscalls 228, # write_syscalls 236, # read_bytes 244, # write_bytes 252, # cancelled_write_bytes ); This is one way to solve the problem without re-arranging structure members is to pack the structure. The patch adds an __attribute__((aligned(8))) to the taskstats structure members so that 32 bit applications using taskstats can work with a 64 bit kernel. Using __attribute__((packed)) would break the 64 bit alignment of members. The fix was tested on x86_64. After the fix, we got Offsets of taskstats' members (64 bit kernel, 64 bit application) @taskstats'offsetof[@taskstats'indices] = ( 0, # version 4, # ac_exitcode 8, # ac_flag 9, # ac_nice 16, # cpu_count 24, # cpu_delay_total 32, # blkio_count 40, # blkio_delay_total 48, # swapin_count 56, # swapin_delay_total 64, # cpu_run_real_total 72, # cpu_run_virtual_total 80, # ac_comm 112, # ac_sched 113, # ac_pad 120, # ac_uid 124, # ac_gid 128, # ac_pid 132, # ac_ppid 136, # ac_btime 144, # ac_etime 152, # ac_utime 160, # ac_stime 168, # ac_minflt 176, # ac_majflt 184, # coremem 192, # virtmem 200, # hiwater_rss 208, # hiwater_vm 216, # read_char 224, # write_char 232, # read_syscalls 240, # write_syscalls 248, # read_bytes 256, # write_bytes 264, # cancelled_write_bytes ); Offsets of taskstats' members (64 bit kernel, 32 bit application) @taskstats'offsetof[@taskstats'indices] = ( 0, # version 4, # ac_exitcode 8, # ac_flag 9, # ac_nice 16, # cpu_count 24, # cpu_delay_total 32, # blkio_count 40, # blkio_delay_total 48, # swapin_count 56, # swapin_delay_total 64, # cpu_run_real_total 72, # cpu_run_virtual_total 80, # ac_comm 112, # ac_sched 113, # ac_pad 120, # ac_uid 124, # ac_gid 128, # ac_pid 132, # ac_ppid 136, # ac_btime 144, # ac_etime 152, # ac_utime 160, # ac_stime 168, # ac_minflt 176, # ac_majflt 184, # coremem 192, # virtmem 200, # hiwater_rss 208, # hiwater_vm 216, # read_char 224, # write_char 232, # read_syscalls 240, # write_syscalls 248, # read_bytes 256, # write_bytes 264, # cancelled_write_bytes ); Signed-off-by: Balbir Singh <balbir@linux.vnet.ibm.com> Cc: Jay Lan <jlan@engr.sgi.com> Cc: Shailabh Nagar <nagar@watson.ibm.com> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linusLinus Torvalds2007-04-21
|\ | | | | | | | | | | | | | | | | * 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus: [MIPS] Fix wrong checksum for split TCP packets on 64-bit MIPS [MIPS] Fix BUG(), BUG_ON() handling [MIPS] Retry {save,restore}_fp_context if failed in atomic context. [MIPS] Disallow CpU exception in kernel again. [MIPS] Add missing silicon revisions for BCM112x
| * [MIPS] Fix wrong checksum for split TCP packets on 64-bit MIPSDave Johnson2007-04-20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | I've traced down an off-by-one TCP checksum calculation error under the following conditions: 1) The TCP code needs to split a full-sized packet due to a reduced MSS (typically due to the addition of TCP options mid-stream like SACK). _AND_ 2) The checksum of the 2nd fragment is larger than the checksum of the original packet. After subtraction this results in a checksum for the 1st fragment with bits 16..31 set to 1. (this is ok) _AND_ 3) The checksum of the 1st fragment's TCP header plus the previously 32bit checksum of the 1st fragment DOES NOT cause a 32bit overflow when added together. This results in a checksum of the TCP header plus TCP data that still has the upper 16 bits as 1's. _THEN_ 4) The TCP+data checksum is added to the checksum of the pseudo IP header with csum_tcpudp_nofold() incorrectly (the bug). The problem is the checksum of the TCP+data is passed to csum_tcpudp_nofold() as an 32bit unsigned value, however the assembly code acts on it as if it is a 64bit unsigned value. This causes an incorrect 32->64bit extension if the sum has bit 31 set. The resulting checksum is off by one. This problems is data and TCP header dependent due to #2 and #3 above so it doesn't occur on every TCP packet split. Signed-off-by: Dave Johnson <djohnson+linux-mips@sw.starentnetworks.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * [MIPS] Fix BUG(), BUG_ON() handlingAtsushi Nemoto2007-04-20
| | | | | | | | | | | | | | | | | | | | With commit 63dc68a8cf60cb110b147dab1704d990808b39e2, kernel can not handle BUG() and BUG_ON() properly since get_user() returns false for kernel code. Use __get_user() to skip unnecessary access_ok(). This patch also make BRK_BUG code encoded in the TNE instruction. Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * [MIPS] Retry {save,restore}_fp_context if failed in atomic context.Atsushi Nemoto2007-04-20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The save_fp_context()/restore_fp_context() might sleep on accessing user stack and therefore might lose FPU ownership in middle of them. If these function failed due to "in_atomic" test in do_page_fault, touch the sigcontext area in non-atomic context and retry these save/restore operation. This is a replacement of a (broken) fix which was titled "Allow CpU exception in kernel partially". Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * [MIPS] Disallow CpU exception in kernel again.Atsushi Nemoto2007-04-20
| | | | | | | | | | | | | | | | | | The commit 4d40bff7110e9e1a97ff8c01bdd6350e9867cc10 ("Allow CpU exception in kernel partially") was broken. The commit was to fix theoretical problem but broke usual case. Revert it for now. Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * [MIPS] Add missing silicon revisions for BCM112xMark Mason2007-04-20
| | | | | | | | | | | | | | | | | | Recent versions of the BCM112X processors aren't recognized by Linux (preventing Linux from booting on those processors). This patch adds support for those that are missing. Signed-off-by: Mark Mason <mason@broadcom.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* | NFS: clean up the unstable write codeTrond Myklebust2007-04-21
|/ | | | | | | Get rid of the inlined #ifdefs. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds2007-04-17
|\ | | | | | | | | | | | | | | | | | | | | * master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6: [BRIDGE]: Unaligned access when comparing ethernet addresses [SCTP]: Unmap v4mapped addresses during SCTP_BINDX_REM_ADDR operation. [SCTP]: Fix assertion (!atomic_read(&sk->sk_rmem_alloc)) failed message [NET]: Set a separate lockdep class for neighbour table's proxy_queue [NET]: Fix UDP checksum issue in net poll mode. [KEY]: Fix conversion between IPSEC_MODE_xxx and XFRM_MODE_xxx. [NET]: Get rid of alloc_skb_from_cache
| * [NET]: Set a separate lockdep class for neighbour table's proxy_queuePavel Emelianov2007-04-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Otherwise the following calltrace will lead to a wrong lockdep warning: neigh_proxy_process() `- lock(neigh_table->proxy_queue.lock); arp_redo /* via tbl->proxy_redo */ arp_process neigh_event_ns neigh_update skb_queue_purge `- lock(neighbor->arp_queue.lock); This is not a deadlock actually, as neighbor table's proxy_queue and the neighbor's arp_queue are different queues. Lockdep thinks there is a deadlock as both queues are initialized with skb_queue_head_init() and thus have a common class. Signed-off-by: David S. Miller <davem@davemloft.net>
| * [NET]: Get rid of alloc_skb_from_cacheHerbert Xu2007-04-17
| | | | | | | | | | | | | | | | | | Since this was added originally for Xen, and Xen has recently (~2.6.18) stopped using this function, we can safely get rid of it. Good timing too since this function has started to bit rot. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* | Provide dummy devm_ioport_* if !HAS_IOPORTRussell King2007-04-17
| | | | | | | | | | | | | | | | | | | | | | | | Provide an dummy implementation of devm_ioport_map() and devm_ioport_unmap() to allow drivers (eg, pata_platform) to build for platforms where CONFIG_NO_IOPORT is selected. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Cc: Jeff Garzik <jeff@garzik.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | alpha: build fixes - force architectureIvan Kokshaysky2007-04-17
| | | | | | | | | | | | | | | | | | Override compiler .arch directive for generic kernel build. Signed-off-by: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | alpha: fixes for specific machine typesIvan Kokshaysky2007-04-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Files: arch/alpha/kernel/core_mcpcia.c arch/alpha/kernel/sys_rawhide.c include/asm-alpha/core_mcpcia.h Determine correct hose configuration; RAWHIDE family can have 2 or 4 hoses, so make sure non-existent hoses are ignored. arch/alpha/kernel/err_titan.c Supply a needed #include <asm/irq_regs.h> arch/alpha/kernel/module.c Add some useful output to the relocation overflow messages. arch/alpha/kernel/sys_noritake.c Supply necessary noritake_end_irq() to correct interrupt handling. This fixes a problem first noted by hangs during boot probing with a DE500-BA TULIP NIC present. arch/alpha/kernel/sys_sio.c Correct saving of original PIRQ register (PCI IRQ routing); change default PIRQ setting to leave PCI IRQs 9 and 14 free to be used for sound (Multia) and IDE (any), respectively. include/asm-alpha/io.h Supply the "isa_virt_to_bus" routine. Signed-off-by: Jay Estabrook <jay.estabrook@hp.com> Signed-off-by: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Cc: Richard Henderson <rth@twiddle.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | kernel-doc: fix plist.h commentsRandy Dunlap2007-04-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Make kernel-doc comments match macro names. Correct parameter names in a few places. Remove '#' from beginning of kernel-doc comment macro names. Remove extra (erroneous) blank lines in kernel-doc. Warning(plist.h:100): Cannot understand * #PLIST_HEAD_INIT - static struct plist_head initializer on line 100 - I thought it was a doc line Warning(plist.h:112): Cannot understand * #PLIST_NODE_INIT - static struct plist_node initializer on line 112 - I thought it was a doc line Warning(plist.h:103): No description found for parameter '_lock' Warning(plist.h:129): No description found for parameter 'lock' Warning(plist.h:158): No description found for parameter 'pos' Warning(plist.h:169): No description found for parameter 'pos' Warning(plist.h:169): No description found for parameter 'n' Warning(plist.h:179): No description found for parameter 'mem' This still leaves one warning & one error that need attention: Error(plist.h:219): cannot understand prototype: '(' Warning(plist.h): no structured comments found Acked-by: Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com> Cc: Daniel Walker <dwalker@mvista.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Oleg Nesterov <oleg@tv-sign.ru> Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | allow vmsplice to work in 32-bit mode on ppc64Don Zickus2007-04-17
|/ | | | | | | | | | | | Trivial change to pass vmsplice arguments through the compat layer on pp64. Signed-off-by: Don Zickus <dzickus@redhat.com> Acked-by: Stephen Rothwell <sfr@canb.auug.org.au> Acked-by: Paul Mackerras <paulus@samba.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* NFS: Ensure PG_writeback is cleared when writeback failsTrond Myklebust2007-04-15
| | | | | | | | | | | | | | | | If the writebacks are cancelled via nfs_cancel_dirty_list, or due to the memory allocation failing in nfs_flush_one/nfs_flush_multi, then we must ensure that the PG_writeback flag is cleared. Also ensure that we actually own the PG_writeback flag whenever we schedule a new writeback by making nfs_set_page_writeback() return the value of test_set_page_writeback(). The PG_writeback page flag ends up replacing the functionality of the PG_FLUSHING nfs_page flag, so we rip that out too. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Merge master.kernel.org:/pub/scm/linux/kernel/git/bart/ide-2.6Linus Torvalds2007-04-10
|\ | | | | | | | | | | | | * master.kernel.org:/pub/scm/linux/kernel/git/bart/ide-2.6: ide: add "optical" to sysfs "media" attribute ide: ugly messages trying to open CD drive with no media present ide: correctly prevent IDE timer expiry function to run if request was already handled
| * ide: correctly prevent IDE timer expiry function to run if request was ↵Suleiman Souhlal2007-04-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | already handled It is possible for the timer expiry function to run even though the request has already been handled: ide_timer_expiry() only checks that the handler is not NULL, but it is possible that we have handled a request (thus clearing the handler) and then started a new request (thus starting the timer again, and setting a handler). A simple way to exhibit this is to set the DMA timeout to 1 jiffy and run dd: The kernel will panic after a few minutes because ide_timer_expiry() tries to add a timer when it's already active. To fix this, we simply add a request generation count that gets incremented at every interrupt, and check in ide_timer_expiry() that we have not already handled a new interrupt before running the expiry function. Signed-off-by: Suleiman Souhlal <suleiman@google.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
* | Merge branch 'release' of ↵Linus Torvalds2007-04-10
|\ \ | |/ |/| | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6 * 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6: [IA64] SGI Altix : fix pcibr_dmamap_ate32() bug [IA64] Fix CPU freq displayed in /proc/cpuinfo [IA64] Fix wrong assumption about irq and vector in msi_ia64.c [IA64] BTE error timer fix
| * [IA64] SGI Altix : fix pcibr_dmamap_ate32() bugMike Habeck2007-04-06
| | | | | | | | | | | | | | | | On a SGI Altix TIOCP based PCI bus we need to include the ATE_PIO attribute bit if we're mapping a 32bit MSI address. Signed-off-by: Mike Habeck <habeck@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
* | [PATCH] Proper fix for highmem kmap_atomic functions for VMI for 2.6.21Zachary Amsden2007-04-08
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Since lazy MMU batching mode still allows interrupts to enter, it is possible for interrupt handlers to try to use kmap_atomic, which fails when lazy mode is active, since the PTE update to highmem will be delayed. The best workaround is to issue an explicit flush in kmap_atomic_functions case; this is the only way nested PTE updates can happen in the interrupt handler. Thanks to Jeremy Fitzhardinge for noting the bug and suggestions on a fix. This patch gets reverted again when we start 2.6.22 and the bug gets fixed differently. Signed-off-by: Zachary Amsden <zach@vmware.com> Cc: Andi Kleen <ak@muc.de> Cc: Jeremy Fitzhardinge <jeremy@goop.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | [PATCH] high-res timers: resume fixIngo Molnar2007-04-07
|/ | | | | | | | | | | | | | | | | | | | | | | | | Soeren Sonnenburg reported that upon resume he is getting this backtrace: [<c0119637>] smp_apic_timer_interrupt+0x57/0x90 [<c0142d30>] retrigger_next_event+0x0/0xb0 [<c0104d30>] apic_timer_interrupt+0x28/0x30 [<c0142d30>] retrigger_next_event+0x0/0xb0 [<c0140068>] __kfifo_put+0x8/0x90 [<c0130fe5>] on_each_cpu+0x35/0x60 [<c0143538>] clock_was_set+0x18/0x20 [<c0135cdc>] timekeeping_resume+0x7c/0xa0 [<c02aabe1>] __sysdev_resume+0x11/0x80 [<c02ab0c7>] sysdev_resume+0x47/0x80 [<c02b0b05>] device_power_up+0x5/0x10 it turns out that on resume we mistakenly re-enable interrupts too early. Do the timer retrigger only on the current CPU. Signed-off-by: Ingo Molnar <mingo@elte.hu> Acked-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Soeren Sonnenburg <kernel@nn7.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* [PATCH] ia64: desc_empty thinko/typo fixMaciej Zenczykowski2007-04-05
| | | | | | | | Just a one-byter for an ia64 thinko/typo - already fixed for i386 and x86_64. Acked-by: Tony Luck <tony.luck@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* [PATCH] remove protection of LANANA-reserved majorsAndrew Morton2007-04-05
| | | | | | | | | | | | | Revert all this. It can cause device-mapper to receive a different major from earlier kernels and it turns out that the Amanda backup program (via GNU tar, apparently) checks major numbers on files when performing incremental backups. Which is a bit broken of Amanda (or tar), but this feature isn't important enough to justify the churn. Cc: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* [PATCH] md: avoid a deadlock when removing a device from an md array via sysfsNeilBrown2007-04-05
| | | | | | | | | | | | | | | | | A device can be removed from an md array via e.g. echo remove > /sys/block/md3/md/dev-sde/state This will try to remove the 'dev-sde' subtree which will deadlock since commit e7b0d26a86943370c04d6833c6edba2a72a6e240 With this patch we run the kobject_del via schedule_work so as to avoid the deadlock. Cc: Alan Stern <stern@rowland.harvard.edu> 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>
* libata: Limit ATAPI DMA to R/W commands only for TORiSAN DVD drives (take 3)Albert Lee2007-04-04
| | | | | | | | | | patch 4/4: Limit ATAPI DMA to R/W commands only for TORiSAN DRD-N216 DVD-ROM drives (http://bugzilla.kernel.org/show_bug.cgi?id=6710) Signed-off-by: Albert Lee <albertcc@tw.ibm.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* libata: Limit max sector to 128 for TORiSAN DVD drives (take 3)Albert Lee2007-04-04
| | | | | | | | | | patch 3/4: The TORiSAN drive locks up when max sector == 256. Limit max sector to 128 for the TORiSAN DRD-N216 drives. (http://bugzilla.kernel.org/show_bug.cgi?id=6710) Signed-off-by: Albert Lee <albertcc@tw.ibm.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* libata: reorder HSM_ST_FIRST for easier decoding (take 3)Albert Lee2007-04-04
| | | | | | | | patch 1/4: Reorder HSM_ST_FIRST, such that the task state transition is easier decoded with human eyes. Signed-off-by: Albert Lee <albertcc@tw.ibm.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [SPARC]: Add unsigned to unused bit field in a.out.hRobert Reif2007-04-02
| | | | | | | | | Add unsigned to unused bit field in a.out.h to make sparse happy. [ I took care of the sparc64 side as well -DaveM ] Signed-off-by: Robert Reif <reif@earthlink.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* Merge branch 'for-linus' of git://one.firstfloor.org/home/andi/git/linux-2.6Linus Torvalds2007-04-02
|\ | | | | | | | | | | | | | | * 'for-linus' of git://one.firstfloor.org/home/andi/git/linux-2.6: [PATCH] x86: Don't probe for DDC on VBE1.2 [PATCH] x86-64: Increase NMI watchdog probing timeout [PATCH] x86-64: Let oprofile reserve MSR on all CPUs [PATCH] x86-64: Disable local APIC timer use on AMD systems with C1E
| * [PATCH] x86-64: Disable local APIC timer use on AMD systems with C1EAndi Kleen2007-04-02
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | AMD dual core laptops with C1E do not run the APIC timer correctly when they go idle. Previously the code assumed this only happened on C2 or deeper. But not all of these systems report support C2. Use a AMD supplied snippet to detect C1E being enabled and then disable local apic timer use. This supercedes an earlier workaround using DMI detection of specific systems. Thanks to Mark Langsdorf for the detection snippet. Signed-off-by: Andi Kleen <ak@suse.de>
* | [PATCH] Fix microcode-related suspend problemRafael J. Wysocki2007-04-02
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix the regression resulting from the recent change of suspend code ordering that causes systems based on Intel x86 CPUs using the microcode driver to hang during the resume. The problem occurs since the microcode driver uses request_firmware() in its CPU hotplug notifier, which is called after tasks has been frozen and hangs. It can be fixed by telling the microcode driver to use the microcode stored in memory during the resume instead of trying to load it from disk. Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Adrian Bunk <bunk@stusta.de> Cc: Tigran Aivazian <tigran@aivazian.fsnet.co.uk> Cc: Pavel Machek <pavel@ucw.cz> Cc: Maxim <maximlevitsky@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | [PATCH] driver core: fix built-in drivers sysfs linksKay Sievers2007-04-02
| | | | | | | | | | | | | | | | | | | | | | built-in drivers had broken sysfs links that caused bootup hangs for certain driver unregistry sequences. Signed-off-by: Ingo Molnar <mingo@elte.hu> Acked-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg KH <greg@kroah.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | [PATCH] uml: fix unreasonably long udelayPaolo 'Blaisorblade' Giarrusso2007-04-02
|/ | | | | | | | | | | | | | | | | | | | Currently we have a confused udelay implementation. * __const_udelay does not accept usecs but xloops in i386 and x86_64 * our implementation requires usecs as arg * it gets a xloops count when called by asm/arch/delay.h Bugs related to this (extremely long shutdown times) where reported by some x86_64 users, especially using Device Mapper. To hit this bug, a compile-time constant time parameter must be passed - that's why UML seems to work most times. Fix this with a simple udelay implementation. Signed-off-by: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Acked-by: Jeff Dike <jdike@addtoit.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Merge master.kernel.org:/home/rmk/linux-2.6-armLinus Torvalds2007-04-01
|\ | | | | | | | | | | | | | | | | | | * master.kernel.org:/home/rmk/linux-2.6-arm: [ARM] 4298/1: fix memory barriers for DMA coherent and SMP platforms [ARM] 4295/2: Fix error-handling in pxaficp_ir.c (version 2) [ARM] Fix __NR_kexec_load [ARM] Export dma_channel_active() [ARM] 4296/1: ixp4xx: compile fix [ARM] 4289/1: AT91: SAM9260 NAND flash timing
| * [ARM] 4298/1: fix memory barriers for DMA coherent and SMP platformsLennert Buytenhek2007-04-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch: - Switches mb/rmb/wmb back to being full-blown DMBs on ARM SMP systems, since mb/rmb/wmb are required to order Normal memory accesses as well. - Enables the use of DMB and ISB on XSC3 (which is an ARMv5TE ISA core but conforms to the ARMv6 memory ordering model and supports the various ARMv6 barriers.) - Makes DMA coherent platforms (only ixp23xx at the moment) map mb/rmb/wmb to dmb(), as on DMA coherent platforms, DMA consistent mappings are done as Normal mappings, which are weakly ordered. Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org> Acked-by: David Howells <dhowells@redhat.com> Acked-by: Catalin Marinas <catalin.marinas@arm.com> Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Acked-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * [ARM] Fix __NR_kexec_loadRussell King2007-04-01
| | | | | | | | | | | | It's __NR_kexec_load, not __NR_sys_kexec_load Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * [ARM] 4296/1: ixp4xx: compile fixVladimir Barinov2007-03-30
| | | | | | | | | | | | | | Fix compilation fail for ixp4xx platforms for the case when CONFIG_IXP4XX_INDIRECT_PCI is set. That is due to the check_signature() is appeared in include/linux/io.h. Signed-off-by: Vladimir Barinov <vbarinov@ru.mvista.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* | [PATCH] uml: fix static linking for realPaolo 'Blaisorblade' Giarrusso2007-03-30
| | | | | | | | | | | | | | | | | | There was a typo in commit 7632fc8f809a97f9d82ce125e8e3e579390ce2e5, preventing it from working - 32bit binaries crashed hopelessly before the below fix and work perfectly now. Signed-off-by: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | [MIPS] SMTC: Fix recursion in instant IPI replay code.Ralf Baechle2007-03-29
| | | | | | | | | | | | | | | | | | | | | | | | local_irq_restore -> raw_local_irq_restore -> irq_restore_epilog -> smtc_ipi_replay -> smtc_ipi_dq -> spin_unlock_irqrestore -> _spin_unlock_irqrestore -> local_irq_restore The recursion does abort when there is no more IPI queued for a CPU, so this isn't usually fatal which is why we got away with this for so long until this was discovered by code inspection. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* | [MIPS] MV64340: Add missing prototype for mv64340_irq_init().Ralf Baechle2007-03-29
| | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* | Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds2007-03-29
|\ \ | | | | | | | | | | | | | | | * master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6: [IFB]: Fix crash on input device removal [BNX2]: Fix link interrupt problem.
| * | [IFB]: Fix crash on input device removalPatrick McHardy2007-03-29
| |/ | | | | | | | | | | | | | | | | | | | | | | The input_device pointer is not refcounted, which means the device may disappear while packets are queued, causing a crash when ifb passes packets with a stale skb->dev pointer to netif_rx(). Fix by storing the interface index instead and do a lookup where neccessary. Signed-off-by: Patrick McHardy <kaber@trash.net> Acked-by: Jamal Hadi Salim <hadi@cyberus.ca> Signed-off-by: David S. Miller <davem@davemloft.net>
* | [POWERPC] qe: ucc_slow.guemr is in the wrong placeTimur Tabi2007-03-29
| | | | | | | | | | | | | | | | | | The definition of struct ucc_slow puts the guemr register immediately after the utpt register, when it should be at offset 0x90. This patch adds the missing 0x52-byte padding. Signed-off-by: Timur Tabi <timur@freescale.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
* | [PATCH] uml: fix pte bit collisionMiklos Szeredi2007-03-29
| | | | | | | | | | | | | | | | | | | | | | | | | | _PAGE_PROTNONE conflicts with the lowest bit of pgoff. This causes all sorts of weirdness when nonlinear mappings are used. Took me a good half day to track this down. Signed-off-by: Miklos Szeredi <mszeredi@suse.cz> Signed-off-by: Jeff Dike <jdike@linux.intel.com> Acked-by: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | [PATCH] x86_64 irq: Fix comments after changing IRQ0_VECTOR from 0x20 to 0x30Yinghai Lu2007-03-29
|/ | | | | | Signed-off-by: Yinghai Lu <yinghai.lu@amd.com> Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6Linus Torvalds2007-03-28
|\ | | | | | | | | | | | | | | | | * master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6: [VIDEO]: Fix section mismatch in cg3.c [SPARC]: sparc64 gcc-4.2.0 20070317 -Werror failure [VIDEO] ffb: Fix two DAC handling bugs. [SPARC32]: Fix SMP build regression [DRM]: Delete sparc64 FFB driver code that never gets built.
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