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* sata_mv ncq Introduce per-tag SG tablesMark Lord2008-02-01
| | | | | | | | | | | | In preparation for supporting NCQ, we must allocate separate SG tables for each command tag, rather than just a single table per port as before. Gen-I hardware cannot do NCQ, though, so we still allocate just a single table for that, but populate it in all 32 slots to avoid special-cases elsewhere in hotter paths of the code. Signed-off-by: Mark Lord <mlord@pobox.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* ata_piix: IDE mode SATA patch for Intel ICH10 DeviceID'sJason Gaston2008-02-01
| | | | | | | This patch adds the Intel ICH10 IDE mode SATA Controller DeviceID's. Signed-off-by: Jason Gaston <jason.d.gaston@intel.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* ahci: RAID mode SATA patch for Intel ICH10 DeviceID'sJason Gaston2008-02-01
| | | | | | | This patch adds the Intel ICH10 SATA RAID Controllers DeviceID's. Signed-off-by: Jason Gaston <jason.d.gaston@intel.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* sata_mv ncq Use DMA memory pools for hardware memory tablesMark Lord2008-02-01
| | | | | | | | | | Create host-owned DMA memory pools, for use in allocating/freeing per-port command/response queues and SG tables. This gives us a way to guarantee we meet the hardware address alignment requirements, and also reduces memory that might otherwise be wasted on alignment gaps. Signed-off-by: Mark Lord <mlord@pobox.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* sata_mv ncq Restrict max sectors to 8-bits on GenII NCQMark Lord2008-02-01
| | | | | | | | | The GenII chips have only 8-bits for the sector_count field when performing NCQ. Add a dev_config method to restrict this when necessary, taking care not to override any other restriction already in place (likely none, but someday.. ?). Signed-off-by: Mark Lord <mlord@pobox.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* sata_mv ncq Ignore response status LSB on NCQMark Lord2008-02-01
| | | | | | | The lower 8 bits of response status are not valid for NCQ. Signed-off-by: Mark Lord <mlord@pobox.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* sata_mv ncq Use hqtag instead of ioidMark Lord2008-02-01
| | | | | | | | Simplify tag handling by using the cid/hqtag field instead of ioid, as recommended by Marvell. Signed-off-by: Mark Lord <mlord@pobox.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* sata_mv ncq Add want ncq parameter for EDMA configurationMark Lord2008-02-01
| | | | | | | | | An extra EDMA config bit is required for NCQ operation. So set/clear it as needed, and cache current setting in port_priv. For now though, it will always be "off" (0). Signed-off-by: Mark Lord <mlord@pobox.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* sata_mv ncq Fix EDMA configurationMark Lord2008-02-01
| | | | | | | | Simplify and fix EDMA configuration setup to match Marvell specificiations. The chip documentation gives a specific (re)init sequence, which we now follow. Signed-off-by: Mark Lord <mlord@pobox.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* sata_mv ncq Rename base to port mmioMark Lord2008-02-01
| | | | | | | | Use naming consistent with elsewhere in this driver. This will keep things less confusing when we later add "hc_mmio" in this function. Signed-off-by: Mark Lord <mlord@pobox.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* sata_mv ncq Mask transient IRQsMark Lord2008-02-01
| | | | | | | | The chips can handle many transient errors internally without a software IRQ. We now mask/ignore those interrupts here. This is necessary for NCQ, later on. Signed-off-by: Mark Lord <mlord@pobox.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* sata_mv ncq EH fixesMark Lord2008-02-01
| | | | | | | | A hard reset is necessary after hotplug events. Only clear the error irq bits that were set on entry. Signed-off-by: Mark Lord <mlord@pobox.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* Merge branch 'for-linus' of git://git.kernel.dk/linux-2.6-blockLinus Torvalds2008-02-01
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | * 'for-linus' of git://git.kernel.dk/linux-2.6-block: block: kill swap_io_context() as-iosched: fix inconsistent ioc->lock context ide-cd: fix leftover data BUG block: make elevator lib checkpatch compliant cfq-iosched: make checkpatch compliant block: make core bits checkpatch compliant block: new end request handling interface should take unsigned byte counts unexport add_disk_randomness block/sunvdc.c:print_version() must be __devinit splice: always updated atime in direct splice
| * block: kill swap_io_context()Jens Axboe2008-02-01
| | | | | | | | | | | | | | | | | | | | It blindly copies everything in the io_context, including the lock. That doesn't work so well for either lock ordering or lockdep. There seems zero point in swapping io contexts on a request to request merge, so the best point of action is to just remove it. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
| * as-iosched: fix inconsistent ioc->lock contextJens Axboe2008-02-01
| | | | | | | | | | | | | | | | | | | | | | Since it's acquired from irq context, all locking must be of the irq safe variant. Most are already inside the queue lock (which already disables interrupts), but the io scheduler rmmod path always has irqs enabled and the put_io_context() path may legally be called with irqs enabled (even if it isn't usually). So fixup those two. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
| * ide-cd: fix leftover data BUGJens Axboe2008-02-01
| | | | | | | | | | | | | | | | It's perfectly legal to have data leftovers when a drive signals completion, it happens all the time when a user issues a command with a transfer count that is too large. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
| * block: make elevator lib checkpatch compliantJens Axboe2008-02-01
| | | | | | | | Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
| * cfq-iosched: make checkpatch compliantJens Axboe2008-02-01
| | | | | | | | Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
| * block: make core bits checkpatch compliantJens Axboe2008-02-01
| | | | | | | | Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
| * block: new end request handling interface should take unsigned byte countsJens Axboe2008-02-01
| | | | | | | | | | | | | | No point in passing signed integers as the byte count, they can never be negative. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
| * unexport add_disk_randomnessAdrian Bunk2008-02-01
| | | | | | | | | | | | | | | | This patch removes the no longer used EXPORT_SYMBOL(add_disk_randomness). Signed-off-by: Adrian Bunk <bunk@kernel.org> Acked-by: Matt Mackall <mpm@selenic.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
| * block/sunvdc.c:print_version() must be __devinitAdrian Bunk2008-02-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch fixes the following section mismatches: <-- snip --> ... WARNING: drivers/block/sunvdc.o(.text+0xf0): Section mismatch in reference from the function print_version() to the variable .devinit.data:version WARNING: drivers/block/sunvdc.o(.text+0xf8): Section mismatch in reference from the function print_version() to the variable .devinit.data:version ... <-- snip --> Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
| * splice: always updated atime in direct spliceJens Axboe2008-02-01
| | | | | | | | | | | | | | | | | | | | Andre Majorel <aym-xunil@teaser.fr> points out that if we only updated the atime when we transfer some data, we deviate from the standard of always updating the atime. So change splice to always call file_accessed() even if splice_direct_to_actor() didn't transfer any data. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* | docbook: rapidio: fix fatal filename errorRandy Dunlap2008-02-01
| | | | | | | | | | | | | | | | Fix docbook fatal error (files were renamed): docproc: linux-2.6.24-git9/arch/ppc/kernel/rio.c: No such file or directory Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | fix directory entry in arch-x86-MakefileSteven Rostedt2008-02-01
| | | | | | | | | | | | | | | | | | | | Doing a make randconfig I came across this error in the Makefile. This patch makes a directory out of arch/x86/mach-default for CONFIG_X86_RDC321X Signed-off-by: Steven Rostedt <srostedt@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6Linus Torvalds2008-02-01
|\ \ | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6: [SPARC64]: Fix inconsistent .section usage in lib/ [SPARC/SPARC64]: Fix usage of .section .sched.text in assembler code.
| * | [SPARC64]: Fix inconsistent .section usage in lib/Sam Ravnborg2008-01-31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | A few places missed the "a" specifier for the __ex_table section. Add these so we avoid generation an additional section at link time. Latest modpost would otherwise complain like this: WARNING: vmlinux.o (__ex_table.2): section name inconsistency. (.[number]+) following section name. Did you forget to use "ax"/"aw" in a .S file? Note that for example <linux/init.h> contains section definitions for use in .S files. WARNING: vmlinux.o (__ex_table.4): section name inconsistency. (.[number]+) following section name. Did you forget to use "ax"/"aw" in a .S file? Note that for example <linux/init.h> contains section definitions for use in .S files. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | [SPARC/SPARC64]: Fix usage of .section .sched.text in assembler code.Sam Ravnborg2008-01-31
| |/ | | | | | | | | | | | | | | ld will generate an unique named section when assembler do not use "ax" but gcc does. Add the missing annotation. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* | Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds2008-02-01
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (173 commits) [NETNS]: Lookup in FIB semantic hashes taking into account the namespace. [NETNS]: Add a namespace mark to fib_info. [IPV4]: fib_sync_down rework. [NETNS]: Process interface address manipulation routines in the namespace. [IPV4]: Small style cleanup of the error path in rtm_to_ifaddr. [IPV4]: Fix memory leak on error path during FIB initialization. [NETFILTER]: Ipv6-related xt_hashlimit compilation fix. [NET_SCHED]: Add flow classifier [NET_SCHED]: sch_sfq: make internal queues visible as classes [NET_SCHED]: sch_sfq: add support for external classifiers [NET_SCHED]: Constify struct tcf_ext_map [BLUETOOTH]: Fix bugs in previous conn add/del workqueue changes. [TCP]: Unexport sysctl_tcp_tso_win_divisor [IPV4]: Make struct ipv4_devconf static. [TR] net/802/tr.c: sysctl_tr_rif_timeout static [XFRM]: Fix statistics. [XFRM]: Remove unused exports. [PKT_SCHED] sch_teql.c: Duplicate IFF_BROADCAST in FMASK, remove 2nd. [BNX2]: Fix ASYM PAUSE advertisement for remote PHY. [IPV4] route cache: Introduce rt_genid for smooth cache invalidation ...
| * | [NETNS]: Lookup in FIB semantic hashes taking into account the namespace.Denis V. Lunev2008-01-31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The namespace is not available in the fib_sync_down_addr, add it as a parameter. Looking up a device by the pointer to it is OK. Looking up using a result from fib_trie/fib_hash table lookup is also safe. No need to fix that at all. So, just fix lookup by address and insertion to the hash table path. Signed-off-by: Denis V. Lunev <den@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | [NETNS]: Add a namespace mark to fib_info.Denis V. Lunev2008-01-31
| | | | | | | | | | | | | | | | | | | | | | | | | | | This is required to make fib_info lookups namespace aware. In the other case initial namespace devices are marked as dead in the local routing table during other namespace stop. Signed-off-by: Denis V. Lunev <den@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | [IPV4]: fib_sync_down rework.Denis V. Lunev2008-01-31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | fib_sync_down can be called with an address and with a device. In reality it is called either with address OR with a device. The codepath inside is completely different, so lets separate it into two calls for these two cases. Signed-off-by: Denis V. Lunev <den@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | [NETNS]: Process interface address manipulation routines in the namespace.Denis V. Lunev2008-01-31
| | | | | | | | | | | | | | | | | | | | | | | | The namespace is available when required except rtm_to_ifaddr. Add namespace argument to it. Signed-off-by: Denis V. Lunev <den@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | [IPV4]: Small style cleanup of the error path in rtm_to_ifaddr.Denis V. Lunev2008-01-31
| | | | | | | | | | | | | | | | | | | | | | | | | | | Remove error code assignment inside brackets on failure. The code looks better if the error is assigned before condition check. Also, the compiler treats this better. Signed-off-by: Denis V. Lunev <den@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | [IPV4]: Fix memory leak on error path during FIB initialization.Denis V. Lunev2008-01-31
| | | | | | | | | | | | | | | | | | | | | net->ipv4.fib_table_hash is not freed when fib4_rules_init failed. Signed-off-by: Denis V. Lunev <den@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | [NETFILTER]: Ipv6-related xt_hashlimit compilation fix.Pavel Emelyanov2008-01-31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The hashlimit_ipv6_mask() is called from under IP6_NF_IPTABLES config option, but is not under it by itself. gcc warns us about it :) : net/netfilter/xt_hashlimit.c:473: warning: "hashlimit_ipv6_mask" defined but not used Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | [NET_SCHED]: Add flow classifierPatrick McHardy2008-01-31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add new "flow" classifier, which is meant to extend the SFQ hashing capabilities without hard-coding new hash functions and also allows deterministic mappings of keys to classes, replacing some out of tree iptables patches like IPCLASSIFY (maps IPs to classes), IPMARK (maps IPs to marks, with fw filters to classes), ... Some examples: - Classic SFQ hash: tc filter add ... flow hash \ keys src,dst,proto,proto-src,proto-dst divisor 1024 - Classic SFQ hash, but using information from conntrack to work properly in combination with NAT: tc filter add ... flow hash \ keys nfct-src,nfct-dst,proto,nfct-proto-src,nfct-proto-dst divisor 1024 - Map destination IPs of 192.168.0.0/24 to classids 1-257: tc filter add ... flow map \ key dst addend -192.168.0.0 divisor 256 - alternatively: tc filter add ... flow map \ key dst and 0xff - similar, but reverse ordered: tc filter add ... flow map \ key dst and 0xff xor 0xff Perturbation is currently not supported because we can't reliable kill the timer on destruction. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | [NET_SCHED]: sch_sfq: make internal queues visible as classesPatrick McHardy2008-01-31
| | | | | | | | | | | | | | | | | | | | | | | | Add support for dumping statistics and make internal queues visible as classes. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | [NET_SCHED]: sch_sfq: add support for external classifiersPatrick McHardy2008-01-31
| | | | | | | | | | | | | | | | | | | | | | | | | | | Add support for external classifiers to allow using different flow hash functions similar to ESFQ. When no classifier is attached the built-in hash is used as before. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | [NET_SCHED]: Constify struct tcf_ext_mapPatrick McHardy2008-01-31
| | | | | | | | | | | | | | | Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | [BLUETOOTH]: Fix bugs in previous conn add/del workqueue changes.Dave Young2008-01-31
| | | | | | | | | | | | | | | | | | | | | | | | Jens Axboe noticed that we were queueing &conn->work on both btaddconn and keventd_wq. Signed-off-by: Dave Young <hidave.darkstar@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | [TCP]: Unexport sysctl_tcp_tso_win_divisorAdrian Bunk2008-01-31
| | | | | | | | | | | | | | | | | | | | | | | | This patch removes the no longer used EXPORT_SYMBOL(sysctl_tcp_tso_win_divisor). Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | [IPV4]: Make struct ipv4_devconf static.Adrian Bunk2008-01-31
| | | | | | | | | | | | | | | | | | | | | | | | struct ipv4_devconf can now become static. Signed-off-by: Adrian Bunk <bunk@kernel.org> Acked-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | [TR] net/802/tr.c: sysctl_tr_rif_timeout staticAdrian Bunk2008-01-31
| | | | | | | | | | | | | | | | | | | | | | | | sysctl_tr_rif_timeout can now become static. Signed-off-by: Adrian Bunk <bunk@kernel.org> Acked-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | [XFRM]: Fix statistics.Masahide NAKAMURA2008-01-31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | o Outbound sequence number overflow error status is counted as XfrmOutStateSeqError. o Additionaly, it changes inbound sequence number replay error name from XfrmInSeqOutOfWindow to XfrmInStateSeqError to apply name scheme above. o Inbound IPv4 UDP encapsuling type mismatch error is wrongly mapped to XfrmInStateInvalid then this patch fiex the error to XfrmInStateMismatch. Signed-off-by: Masahide NAKAMURA <nakam@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | [XFRM]: Remove unused exports.Adrian Bunk2008-01-31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch removes the following no longer used EXPORT_SYMBOL's: - xfrm_input.c: xfrm_parse_spi - xfrm_state.c: xfrm_replay_check - xfrm_state.c: xfrm_replay_advance Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | [PKT_SCHED] sch_teql.c: Duplicate IFF_BROADCAST in FMASK, remove 2nd.Roel Kluin2008-01-31
| | | | | | | | | | | | | | | Signed-off-by: Roel Kluin <12o3l@tiscali.nl> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | [BNX2]: Fix ASYM PAUSE advertisement for remote PHY.Michael Chan2008-01-31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We were checking for the ASYM_PAUSE bit for 1000Base-X twice instead checking for both the 1000Base-X bit and the 10/100/1000Base-T bit. The purpose of the logic is to tell the firmware that ASYM_PAUSE is set on either the Serdes or Copper interface. Problem was discovered by Roel Kluin <12o3l@tiscali.nl> Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | [IPV4] route cache: Introduce rt_genid for smooth cache invalidationEric Dumazet2008-01-31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Current ip route cache implementation is not suited to large caches. We can consume a lot of CPU when cache must be invalidated, since we currently need to evict all cache entries, and this eviction is sometimes asynchronous. min_delay & max_delay can somewhat control this asynchronism behavior, but whole thing is a kludge, regularly triggering infamous soft lockup messages. When entries are still in use, this also consumes a lot of ram, filling dst_garbage.list. A better scheme is to use a generation identifier on each entry, so that cache invalidation can be performed by changing the table identifier, without having to scan all entries. No more delayed flushing, no more stalling when secret_interval expires. Invalidated entries will then be freed at GC time (controled by ip_rt_gc_timeout or stress), or when an invalidated entry is found in a chain when an insert is done. Thus we keep a normal equilibrium. This patch : - renames rt_hash_rnd to rt_genid (and makes it an atomic_t) - Adds a new rt_genid field to 'struct rtable' (filling a hole on 64bit) - Checks entry->rt_genid at appropriate places :
| * | [PKTGEN]: pktgen should not print info that it is spinningJesse Brandeburg2008-01-31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | when using pktgen to send delay packets the module prints repeatedly to the kernel log: sleeping for X sleeping for X ... This is probably just a debugging item left in and should not be enabled for regular use of the module. Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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