- 03 11月, 2007 1 次提交
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由 Tony Battersby 提交于
Commands sent to ATAPI tape drives via the SCSI generic (sg) driver are limited in the amount of data that they can transfer by the max_sectors value. The max_sectors value is currently calculated according to the command set for disk drives, which doesn't apply to tape drives. The default max_sectors value of 256 limits ATAPI tape drive commands to 128 KB. This patch against 2.6.24-rc1 increases the max_sectors value for tape drives to 65535, which permits tape drive commands to transfer just under 32 MB. Tested with a SuperMicro PDSME motherboard, AHCI, and a Sony SDX-570V SATA tape drive. Note that some of the chipset drivers also set their own max_sectors value, which may override the value set in libata-core. I don't have any of these chipsets to test, so I didn't go messing with them. Also, ATAPI devices other than tape drives may benefit from similar changes, but I have only tape drives and disk drives to test. Signed-off-by: NTony Battersby <tonyb@cybernetics.com> Signed-off-by: NJeff Garzik <jeff@garzik.org>
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- 02 11月, 2007 3 次提交
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由 Vasily Averin 提交于
Device mapper uses its own bounce_pfn that may differ from one on underlying device. In that way dm can build incorrect requests that contain sg elements greater than underlying device is able to handle. This is the cause of slab corruption in i2o layer, occurred on i386 arch when very long direct IO requests are addressed to dm-over-i2o device. Signed-off-by: NVasily Averin <vvs@sw.ru> Cc: <stable@kernel.org> Cc: Alasdair G Kergon <agk@redhat.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NJens Axboe <jens.axboe@oracle.com>
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由 Jens Axboe 提交于
sg_mark_end() overwrites the page_link information, but all users want __sg_mark_end() behaviour where we just set the end bit. That is the most natural way to use the sg list, since you'll fill it in and then mark the end point. So change sg_mark_end() to only set the termination bit. Add a sg_magic debug check as well, and clear a chain pointer if it is set. Signed-off-by: NJens Axboe <jens.axboe@oracle.com>
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由 Jens Axboe 提交于
Don't open code sg_init_one(), make it reuse sg_init_table(). Signed-off-by: NJens Axboe <jens.axboe@oracle.com>
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- 01 11月, 2007 2 次提交
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由 Stephen Hemminger 提交于
Documentation updates for network interfaces. 1. Add doc for netif_napi_add 2. Remove doc for unused returns from netif_rx 3. Add doc for netif_receive_skb [ Incorporated minor mods from Randy Dunlap -DaveM ] Signed-off-by: NStephen Hemminger <shemminger@linux-foundation.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Greg Kroah-Hartman 提交于
This reverts commit fcd239d3. I messed up, ia64 still uses these files in the current tree, and now can not build the pci code, which all ia64 boxes seem to require :) This fixes that mistake. Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
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- 31 10月, 2007 3 次提交
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由 Greg Kroah-Hartman 提交于
These functions are not used by anyone, so remove them from the tree. The class_device code will be removed soon anyway, so no future users will ever be possible. Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
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由 David S. Miller 提交于
It wants string functions like memcpy() for inline routines, and these define userland interfaces. The only clean way to deal with this is to simply put linux/string.h into unifdef-y and have it include <string.h> when not-__KERNEL__. Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Dale Farnsworth 提交于
In the mv643xx_eth driver, we now use offsets from the ethernet register block within the chip, but the pegasos 2 platform still needs offsets from the full chip's register base address. Signed-off-by: NDale Farnsworth <dale@farnsworth.org> Signed-off-by: NJeff Garzik <jeff@garzik.org>
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- 30 10月, 2007 6 次提交
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由 Corey Minyard 提交于
Coverity spotted some incorrect code in a recent change to the IPMI driver; this patch make sure the data is really long enough to pull the manufacturer id and product id out of a get device id message. Signed-off-by: NCorey Minyard <cminyard@mvista.com> Cc: Adrian Bunk <bunk@kernel.org> Cc: Stian Jordet <liste@jordet.net> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Tejun Heo 提交于
Implement ATA_QCFLAG_QUIET which indicates that there's no need to report if the command fails with AC_ERR_DEV and set it for passthrough commands. Combined with previous changes, this now makes device errors for all direct commands reported directly to the issuer without going through EH actions and reporting. Note that EH is still invoked after non-IO device errors to determine the nature of the error and resume command execution (some controller requires special care after error to continue). It just performs default maintenance after error, examines what's going on, realizes that it's none of its business and reports the command failure without logging any error messages. Signed-off-by: NTejun Heo <htejun@gmail.com> Signed-off-by: NJeff Garzik <jeff@garzik.org>
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由 David S. Miller 提交于
Needed, as reported in: http://bugzilla.kernel.org/show_bug.cgi?id=9260Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Balbir Singh 提交于
Extend Peter's patch to fix accounting issues, by keeping stime monotonic too. Signed-off-by: NBalbir Singh <balbir@linux.vnet.ibm.com> Signed-off-by: NIngo Molnar <mingo@elte.hu> Tested-by: NFrans Pop <elendil@planet.nl>
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由 Linus Torvalds 提交于
This reverts commit 2e1c49db. First off, testing in Fedora has shown it to cause boot failures, bisected down by Martin Ebourne, and reported by Dave Jobes. So the commit will likely be reverted in the 2.6.23 stable kernels. Secondly, in the 2.6.24 model, x86-64 has now grown support for SPARSEMEM_VMEMMAP, which disables the relevant code anyway, so while the bug is not visible any more, it's become invisible due to the code just being irrelevant and no longer enabled on the only architecture that this ever affected. Reported-by: NDave Jones <davej@redhat.com> Tested-by: NMartin Ebourne <fedora@ebourne.me.uk> Cc: Zou Nan hai <nanhai.zou@intel.com> Cc: Suresh Siddha <suresh.b.siddha@intel.com> Cc: Andrew Morton <akpm@linux-foundation.org> Acked-by: NAndy Whitcroft <apw@shadowen.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Peter Zijlstra 提交于
keep utime/stime monotonic. cpustats use utime/stime as a ratio against sum_exec_runtime, as a consequence it can happen - when the ratio changes faster than time accumulates - that either can be appear to go backwards. Signed-off-by: NPeter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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- 29 10月, 2007 10 次提交
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由 Kristen Carlson Accardi 提交于
Device Initiated Power Management, which is defined in SATA 2.5 can be enabled for disks which support it. This patch enables DIPM when the user sets the link power management policy to "min_power". Additionally, libata drivers can define a function (enable_pm) that will perform hardware specific actions to enable whatever power management policy the user set up for Host Initiated Power management (HIPM). This power management policy will be activated after all disks have been enumerated and intialized. Drivers should also define disable_pm, which will turn off link power management, but not change link power management policy. Documentation/scsi/link_power_management_policy.txt has additional information. Signed-off-by: NKristen Carlson Accardi <kristen.c.accardi@intel.com> Signed-off-by: NJeff Garzik <jgarzik@redhat.com>
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由 Al Viro 提交于
Use of ptrdiff_t in places like - if (!access_ok(VERIFY_WRITE, u_tmp->rx_buf, u_tmp->len)) + if (!access_ok(VERIFY_WRITE, (u8 __user *) + (ptrdiff_t) u_tmp->rx_buf, + u_tmp->len)) is wrong; for one thing, it's a bad C (it's what uintptr_t is for; in general we are not even promised that ptrdiff_t is large enough to hold a pointer, just enough to hold a difference between two pointers within the same object). For another, it confuses the fsck out of sparse. Use unsigned long or uintptr_t instead. There are several places misusing ptrdiff_t; fixed. Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Al Viro 提交于
rpcrdma stuff lacks endianness annotations for on-the-wire data. Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk> Acked-by: NDavid S. Miller <davem@davemloft.net> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Al Viro 提交于
Don't undef __i386__/__x86_64__ in uml anymore, make sure that (few) places that required adjusting the ifdefs got those. Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Jens Axboe 提交于
For the locking to work, only the tag map and tag bit map may be shared (incidentally, I was just explaining this to Nick yesterday, but I apparently didn't review the code well enough myself). But we also share the busy list! The busy_list must be queue private, or we need a block_queue_tag covering lock as well. So we have to move the busy_list to the queue. This'll work fine, and it'll actually also fix a problem with blk_queue_invalidate_tags() which will invalidate tags across all shared queues. This is a bit confusing, the low level driver should call it for each queue seperately since otherwise you cannot kill tags on just a single queue for eg a hard drive that stops responding. Since the function has no callers currently, it's not an issue. Signed-off-by: NJens Axboe <jens.axboe@oracle.com>
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由 Tejun Heo 提交于
On certain device/controller combination, 0xff status is asserted after reset and doesn't get cleared during 150ms post-reset wait. As 0xff status is interpreted as no device (for good reasons), this can lead to misdetection on such cases. This patch implements ata_wait_after_reset() which replaces the 150ms sleep and waits upto ATA_TMOUT_FF_WAIT if status is 0xff. ATA_TMOUT_FF_WAIT is currently 800ms which is enough for HHD424020F7SV00 to get detected but not enough for Quantum GoVault drive which is known to take upto 2s. Without parallel probing, spending 2s on 0xff port would incur too much delay on ata_piix's which use 0xff to indicate empty port and doesn't have SCR register, so GoVault needs to wait till parallel probing. Signed-off-by: NTejun Heo <htejun@gmail.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NJeff Garzik <jeff@garzik.org>
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由 Tejun Heo 提交于
ATA devices in SLEEP mode don't respond to any commands. SRST is necessary to wake it up. Till now, when a command is issued to a device in SLEEP mode, the command times out, which makes EH reset the device and retry the command after that, causing a long delay. This patch makes libata track SLEEP state and issue SRST automatically if a command is about to be issued to a device in SLEEP. Signed-off-by: NTejun Heo <htejun@gmail.com> Cc: Bruce Allen <ballen@gravity.phys.uwm.edu> Cc: Andrew Paprocki <andrew@ishiboo.com> Signed-off-by: NJeff Garzik <jeff@garzik.org>
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由 Chuck Lever 提交于
Clean up: fix a mixed sign comparison in sg_init_table() accidentally introduced by commit d6ec0842. The sign of the loop index variable should match the sign of the "nents" argument. Signed-off-by: NChuck Lever <chuck.lever@oracle.com> Cc: Jens Axboe <jens.axboe@oracle.com> Signed-off-by: NJens Axboe <axboe@carl.home.kernel.dk>
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由 Chuck Lever 提交于
Clean up: fix a mixed sign comparison in sg_last() accidentally introduced by commit 70eb8040. The sign of the loop index variable should match the sign of the "nents" argument. Signed-off-by: NChuck Lever <chuck.lever@oracle.com> Signed-off-by: NJens Axboe <axboe@carl.home.kernel.dk>
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由 Jens Axboe 提交于
Since we are using the last entry in the list, clear any possible termination bit that may have already been set. Pointed out by Rusty. Signed-off-by: NJens Axboe <jens.axboe@oracle.com>
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- 28 10月, 2007 2 次提交
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由 Al Viro 提交于
Fix fallout from commit b45d9147 ("mv643xx_eth: Remove unused register defines") Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Carlos Corbacho 提交于
Most newer Acer laptops (from 2005 onwards) now ship with an extra Dollar and Euro key either side of the 'Up' arrow. These cannot be mapped in the traditional way, since they are not combination keys. Signed-off-by: NCarlos Corbacho <cathectic@gmail.com> Signed-off-by: NDmitry Torokhov <dtor@mail.ru>
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- 26 10月, 2007 3 次提交
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由 Alexey Dobriyan 提交于
[PATCH] De-constify sched.h This reverts commit a8972ccf ("sched: constify sched.h") 1) Patch doesn't change any code here, so gcc is already smart enough to "feel" constness in such simple functions. 2) There is no such thing as const task_struct. Anyone who think otherwise deserves compiler warning. Signed-off-by: NAlexey Dobriyan <adobriyan@sw.ru> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Benjamin Herrenschmidt 提交于
The current napi_disable() uses msleep_interruptible() but doesn't (and can't) exit in case there's a signal, thus ending up doing a hot spin without a cpu_relax. Use uninterruptible sleep instead. Signed-off-by: NBenjamin Herrenschmidt <benh@kernel.crashing.org> Acked-by: NJeff Garzik <jeff@garzik.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Jeff Garzik 提交于
The __deprecated marker is quite useful in highlighting the remnants of old APIs that want removing. However, it is quite normal for one or more years to pass, before the (usually ancient, bitrotten) code in question is either updated or deleted. Thus, like __must_check, add a Kconfig option that permits the silencing of this compiler warning. This change mimics the ifdef-ery and Kconfig defaults of MUST_CHECK as closely as possible. Signed-off-by: NJeff Garzik <jgarzik@redhat.com> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 25 10月, 2007 8 次提交
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由 Hugh Dickins 提交于
x86_32 CONFIG_HIGHMEM64G with 5GB RAM hung when booting, after issuing some "request_module: runaway loop modprobe binfmt-0000" messages in trying to exec /sbin/init. The binprm buf doesn't see the right ".ELF" header because sg_phys() is providing the wrong physical addresses for high pages: a 32-bit unsigned long is too small in this case, we need to use dma_addr_t. Signed-off-by: NHugh Dickins <hugh@veritas.com> Signed-off-by: NJens Axboe <jens.axboe@oracle.com>
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由 Ayaz Abdulla 提交于
Signed-off-by: NJeff Garzik <jgarzik@redhat.com>
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由 Rusty Russell 提交于
Went through the documentation doing typo and content fixes. This patch contains only comment and whitespace changes. Signed-off-by: NRusty Russell <rusty@rustcorp.com.au>
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由 Rusty Russell 提交于
Remove now-unused defines. Fix old idempotent #ifndef _ASM_LGUEST_USER name. Fix comment on use of lguest_req. Signed-off-by: NRusty Russell <rusty@rustcorp.com.au>
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由 Peter Williams 提交于
At the moment, a lot of load balancing code that is irrelevant to non SMP systems gets included during non SMP builds. This patch addresses this issue and reduces the binary size on non SMP systems: text data bss dec hex filename 10983 28 1192 12203 2fab sched.o.before 10739 28 1192 11959 2eb7 sched.o.after Signed-off-by: NPeter Williams <pwil3058@bigpond.net.au> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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由 Peter Williams 提交于
At the moment, balance_tasks() provides low level functionality for both move_tasks() and move_one_task() (indirectly) via the load_balance() function (in the sched_class interface) which also provides dual functionality. This dual functionality complicates the interfaces and internal mechanisms and makes the run time overhead of operations that are called with two run queue locks held. This patch addresses this issue and reduces the overhead of these operations. Signed-off-by: NPeter Williams <pwil3058@bigpond.net.au> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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由 Joe Perches 提交于
Add const to some struct task_struct * uses Signed-off-by: NJoe Perches <joe@perches.com> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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由 Ingo Molnar 提交于
Jeff Dike noticed that wait_for_completion_interruptible()'s prototype had a mismatched fastcall. Fix this by removing the fastcall attributes from all the completion APIs. Found-by: NJeff Dike <jdike@linux.intel.com> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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- 24 10月, 2007 2 次提交
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由 Gerrit Renker 提交于
This adds support for converting the 11 currently defined Reset codes into system error numbers, which are stored in sk_err for further interpretation. This makes the externally visible API behaviour similar to TCP, since a client connecting to a non-existing port will experience ECONNREFUSED. * Code 0, Unspecified, is interpreted as non-error (0); * Code 1, Closed (normal termination), also maps into 0; * Code 2, Aborted, maps into "Connection reset by peer" (ECONNRESET); * Code 3, No Connection and Code 7, Connection Refused, map into "Connection refused" (ECONNREFUSED); * Code 4, Packet Error, maps into "No message of desired type" (ENOMSG); * Code 5, Option Error, maps into "Illegal byte sequence" (EILSEQ); * Code 6, Mandatory Error, maps into "Operation not supported on transport endpoint" (EOPNOTSUPP); * Code 8, Bad Service Code, maps into "Invalid request code" (EBADRQC); * Code 9, Too Busy, maps into "Too many users" (EUSERS); * Code 10, Bad Init Cookie, maps into "Invalid request descriptor" (EBADR); * Code 11, Aggression Penalty, maps into "Quota exceeded" (EDQUOT) which makes sense in terms of using more than the `fair share' of bandwidth. Signed-off-by: NGerrit Renker <gerrit@erg.abdn.ac.uk> Acked-by: NIan McDonald <ian.mcdonald@jandi.co.nz> Signed-off-by: NArnaldo Carvalho de Melo <acme@redhat.com>
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由 Gerrit Renker 提交于
This fixes a problem when analysing erroneous packets in dccp_v{4,6}_err: * dccp_hdr_seq currently takes an skb * however, the transport headers in the skb are shifted, due to the preceding IPv4/v6 header. Fixed for v4 and v6 by changing dccp_hdr_seq to take a struct dccp_hdr as argument. Verified that the correct sequence number is now reported in the error handler. Signed-off-by: NGerrit Renker <gerrit@erg.abdn.ac.uk> Acked-by: NIan McDonald <ian.mcdonald@jandi.co.nz> Signed-off-by: NArnaldo Carvalho de Melo <acme@redhat.com>
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