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Jeff Garzik pointed me to his code to see how to remove a disk from
the system _properly_. Well, here it is...
Every place we remove disks we are now testing before calling del_gendisk
or blk_cleanup_queue and then call put_disk.
Signed-off-by: Mike Miller <mike.miller@hp.com>
Signed-off-by: Jens Axboe <axboe@suse.de>
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Applications using CCISS_BIG_PASSTHRU complained that the data written
was zeros. The problem is that the buffer is being cleared after the
user copy, unless the user copy has failed... Correct that logic.
Signed-off-by: Mike Miller <mike.miller@hp.com>
Signed-off-by: Jens Axboe <axboe@suse.de>
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This patch fixes a bug that breaks hpacucli, a command line interface
for the HP Array Config Utility. Without this fix the utility will
not detect any controllers in the system. I thought I had already fixed
this, but I guess not.
Thanks to all who reported the issue. Please consider this this inclusion.
Signed-off-by: Mike Miller <mikem@beardog.cca.cpqcorp.net>
Signed-off-by: Jens Axboe <axboe@suse.de>
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Some leftover comments referring to drivers/block that are now block/.
They don't add any information we don't already have, so kill them.
Signed-off-by: Coywolf Qi Hunt <qiyong@fc-cn.com>
Signed-off-by: Jens Axboe <axboe@suse.de>
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master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6
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master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev
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ipw2100: Fix 'Driver using old /proc/net/wireless...' message
Wireless extensions moved the get_wireless_stats handler from being
in net_device into wireless_handler.
A prior instance of this patch resolved the issue for the ipw2200.
This one fixes it for the ipw2100.
Signed-off-by: Benoit Boissinot <benoit.boissinot@ens-lyon.org>
Signed-off-by: James Ketrenos <jketreno@linux.intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Change CONFIG_FEC_8XX to depend on CONFIG_8xx instead of CONFIG_FEC.
CONFIG_FEC depends on ColdFire CPUs, which does not apply for the
PPC 8xx processors.
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Update the index file with descriptions of the stable_api_nonsense.txt
and stable_kernel_rules.txt files.
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Here's a document that describes the process and procedures of how to do Linux
kernel development. It has gone through a number of rounds of review on the
linux-kernel mailing list, and contains contributions and help from Paolo
Ciarrocchi, Randy Dunlap, Gerrit Huizenga, Pat Mochel, Hanna Linder, Kay
Sievers, Vojtech Pavlik, Jan Kara, Josh Boyer, Kees Cook, Andrew Morton, Andi
Kleen, Vadim Lobanov, Jesper Juhl, Adrian Bunk, Keri Harris, Frans Pop, David
A. Wheeler, Junio Hamano, Michael Kerrisk, and Alex Shepard.
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Add tree information to MAINTAINERS file.
Signed-off-by: Jody McIntyre <scjody@steamballoon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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include/net/ieee80211.h: In function `ieee80211_get_payload':
include/net/ieee80211.h:1046: warning: control reaches end of non-void function
Cc: Jeff Garzik <jgarzik@pobox.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
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hermas_bap_pread, hermes_bap_pwrite, and hermes_bap_pwrite_pad all have a parameter "len" that is declared unsigned,
but checked for a value less than zero. Auditing the callers, it is possible for len to be passed a negative value, so len should be an int.
Thanks to LinuxICC (http://linuxicc.sf.net)
Signed-off-by: Gabriel A. Devenyi <ace@staticwave.ca>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
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In isl_38xx.c
In routine isl38xx_trigger-device
Move unnecessary udelay/register read.
This is only required when hand-compiling the driver and
setting VERBOSE > SHOW_ERROR_MESSAGES
Signed-off-by: Roger While <simrw@sim-basis.de>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
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This header file patch was missing from the recent SAA9730 patch.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
The Au1000 ethernet driver references plenty of CONFIG_* symbols.
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
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Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
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For the four versions of hardware that we (currently) support microcode
download on, the default configuration of our receive interrupt mitigation
microcode was too aggressive, and caused unnecessary delays when pinging,
and low(er) throughput on single connection latency sensitive performance
tests.
This code adds microcode support, and sets the defaults to more reasonable
settings. It also explains the functionality in the code in more detail.
Compile and load tested, shows expected behavior for slight delay of ping
packets (1-2ms) when ucode is loaded, and decent interrupt moderation for
small packets, while maintaining good throughput.
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
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git://electric-eye.fr.zoreil.com/home/romieu/linux-2.6
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sil24_error_intr logs all error interrupts. ATAPI devices generates
many harmless errors which can be ignored and all serious ones are
reported via sense data by SCSI layer. Don't log device errors from
ATAPI devices.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
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This patch implements ATAPI support for sil24 and bumps driver version
to 0.23.
Signed-off-by: Tejun Heo <htejun@gmail.com>
--
Jeff, it has been converted to use ->dev_config as pointed out.
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
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There seems to be no way to obtain device signature from sil24 after
SATA phy reset and SRST is needed anyway for later port multiplier
suppport. This patch converts sil24_phy_reset to use SRST instaed.
Signed-off-by: Tejun Heo <htejun@gmail.com>
--
Jeff, I didn't remove the 10ms sleep just to be on the safe side. I
think we can live with 10ms sleep on SRST.
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
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When an error condition is raised by device via D2H FIS or SDB. sil24
controller should be restarted by setting PORT_CS_INIT and waiting
until PORT_CS_RDY is asserted instead of resetting the controller.
This patch implements sil24_restart_controller for those cases. This
patch also makes sure that PORT_CS_RDY is asserted on
sil24_reset_controller completion.
Signed-off-by: Tejun Heo <htejun@gmail.com>
--
Jeff, delay is reduced to 1us and cnt increased to 10k. My sil3124
turns on PORT_CS_RDY on the second iteration even without any delay.
I think 10k * 1us should be more than enough.
I tried to convert both restart and reset to use msleep's with work
queue, but if we do that, host_set lock should be released after
initiating restart or reset, leading to race condition among
reset/restart, other interrupts and timeout. Implementing
synchronization among those in low-level driver doesn't seem right.
Well, reduced timeout should work for the time being.
Thanks.
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
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The smc91x driver relies upon register bank 2 being selected whenever
the interrupt handler is called. This isn't always so, especially if
we have a link change event during PHY configuration.
This results in register bank 0 being selected when the interrupt
handler is called, causing the wrong registers to be read for the
IRQ mask and status. In turn, this causes us to spin with a
permanently asserted IRQ.
The patch ensures that smc_phy_configure always exits with register
bank 2 selected.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Nicolas Pitre <nico@cam.org>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
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Not only SMC_ACK_INT(IM_TX_EMPTY_INT) in in smc_hardware_send_pkt)
appears to be unnecessary (tested with an SMC91C94 and SMC91C111), but
it seems to trigger spurious interrupts on some machines as well.
Removed.
While at it, let's log any remaining spurious interrupts if any (and
clean usage of the max IRQ loop count value).
Signed-off-by: Nicolas Pitre <nico@cam.org>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6
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Add the missing NULL argument to the class_device_create calls.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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With the new powerpc architecture we don't seem to be able to disable huge
pages anymore.
mm/built-in.o(.toc1+0xae0): undefined reference to `HPAGE_SHIFT'
make: *** [.tmp_vmlinux1] Error 1
We seem to need to define HPAGE_SHIFT to something when HUGETLB_PAGE isn't
defined. This patch defines it to PAGE_SHIFT when we have no support.
Signed-off-by: Andy Whitcroft <apw@shadowen.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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happens when request completes
md needs to monitor the rate of requests to its devices when doing
resync/recovery so that it can back-off when there is non-resync IO. It
does this by comparing resync IO, which it counts, with total IO which is
taken from disk_stats.
disk_stats were recently changed to account sectors when a request
completes instead of when it is queued. This upsets md's calculations.
We could do the sync_io accounting at the end of requests too, but that has
problems. If an underlying device is an md array, the accounting will
still be done when the request is submitted. This could be changed for
some raid levels, but it cannot be changed for raid0 or linear without
substantial code changes.
So instead, we increase the error that is_mddev_idle allows, up to the
maximum amount of resync IO that can be in flight at any time. The
calculation is current fragile as each personality as different limits for
in-flight resync. This should be fixed up.
For now, this simple patch fixes the problem.
Increasing the error margin decreases the sensitivity to non-resync IO. To
partially compensate for this, the time to wait when non-resync IO is
detected is increased so that less steady IO is required to keep the resync
at bay.
Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Some filesystems go oops.
Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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The driver dependencies on PCI have been removed. This patch clears that
up in the Kconfig file
Signed-off-by: Kylene Hall <kjhall@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Use ioread8 and iowrite8 as suggested.
Signed-off-by: Kylene Hall <kjhall@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Add the necessary flush_schedule_work calls when canceling the timer.
Signed-off-by: Kylene Hall <kjhall@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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This adds the FCC_PSMR_RMII defenition, which is used in fs_enet to enable
RMII mode.
Signed-off-by: Vitaly Bordug <vbordug@ru.mvista.com>
Cc: Jeff Garzik <jgarzik@pobox.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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On IPMI systems with BT interfaces, we don't start the kernel thread, so
smi_info->thread is NULL. Test for NULL when stopping the thread, because
kthread_stop() doesn't, and an oops ensues otherwise.
Signed-off-by: Matt Domsch <Matt_Domsch@dell.com>
Acked-by: Corey Minyard <minyard@acm.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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2.6.14 has this exported, and reiser4 (at least) uses it. Put things back
the way they were.
Signed-off-by: Vladimir V. Saveliev <vs@namesys.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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One issue with the RCU torture test is that the current error flagging can
be lost in dmesg. This patch adds a "SUCCESS"/"FAILURE" string to the line
that flags the end of the test, where it can easily be seen with "dmesg |
tail" at the end of the test. Also adds tests of architecture-specific
memory barriers -- or, more likely, of the RCU torture test itself.
Cc: <vatsa@in.ibm.com>
Signed-off-by: "Paul E. McKenney" <paulmck@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Fix copy-paste bug in ohci-ppc-soc.c(ohci_hcd_ppc_soc_drv_remove)
Signed-off-by: Andrey Volkov <avolkov@varma-el.com>
Cc: Russell King <rmk@arm.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Properly clear the memory, and set "pr->flags.power" only if a C2 or
deeper state is valid (to make the code match both the comment and
previous behaviour).
This fixes a boot-time lockup reported by Maneesh Soni when using
"maxcpus=1".
Acked-by: Maneesh Soni <maneesh@in.ibm.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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The code Ben H added needs <linux/pci.h> for things like pci_dev, etc.
Signed-off-by: Paul Mackerras <paulus@samba.org>
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make defconfig will now use arch/powerpc/configs/ppc64_defconfig
if running on a ppc64 system. I need to add an
arch/powerpc/configs/ppc_defconfig sometime.
Signed-off-by: Paul Mackerras <paulus@samba.org>
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Signed-off-by: Paul Mackerras <paulus@samba.org>
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This makes 32-bit CHRP systems use the RTAS time-of-day routines if
available. It fixes a bug in the RTAS time-of-day routines where they
were storing a 64-bit timebase value in an unsigned long by making
those variables u64. Also, the direct-access time-of-day routines
had the wrong convention for the month and year in the struct rtc_time.
Signed-off-by: Paul Mackerras <paulus@samba.org>
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