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The link can be unexpectedly dropped when the timer for entering EEE low-
power-idle quiet state expires too soon. The timer needs to be extended
from 196usec to 200usec after every LCD (PHY) reset to prevent this from
happening.
Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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With some PHYs supported by this driver, link establishment can take a
little longer when connected to certain switches. Extend the timeout to
reduce the number of false diagnostic failures, and cleanup a code style
issue in the same function.
Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Tested-by: Jeff Pieper <jeffrey.e.pieper@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Tested-by: Jeff Pieper <jeffrey.e.pieper@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Based on a report and patch originally submitted by Prasanna Panchamukhi.
Use dev_kfree_skb_irq() in e1000_clean_jumbo_rx_irq() since this latter
function is called only in interrupt context. This avoids "Warning:
kfree_skb on hard IRQ" messages.
Cc: "Prasanna S. Panchamukhi" <prasanna.panchamukhi@riverbed.com>
Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Tested-by: Jeff Pieper <jeffrey.e.pieper@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Removed Tx hang detection mechanism from ixgbevf.
This mechanism has no affect and can cause false alarm messages in some
cases. Especially when VF Tx rate limit is turned on.
The same mechanism was removed recently from igbvf.
Signed-off-by: Lior Levy <lior.levy@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Add proper documentation for previously added net_device_ops ops for FCoE.
Signed-off-by: Yi Zou <yi.zou@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Based on a patch from Jesse Gross <jesse@nicira.com>
This switches the ixgb driver to use the new VLAN interfaces.
In doing this, it completes the work begun in
ae54496f9e8d40c89e5668205c181dccfa9ecda1 allowing the use of
hardware VLAN insertion without having a VLAN group configured.
CC: Jesse Gross <jesse@nicira.com>
Signed-off-by: Emil Tantilov <emil.s.tantilov@intel.com>
Tested-by: Jeff Pieper <jeffrey.e.pieper@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Completely unused.
Signed-off-by: David S. Miller <davem@davemloft.net>
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fl->oif will always be zero on the input path, so there is no reason
to test for that.
Signed-off-by: David S. Miller <davem@davemloft.net>
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All callers are under rcu_read_lock() protection already.
Rename to ip_check_mc_rcu() to make it even more clear.
Signed-off-by: David S. Miller <davem@davemloft.net>
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master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts:
drivers/net/bnx2x/bnx2x_cmn.c
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Add necessary alias to autoload ip6ip6 tunnel module.
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When configs BRIDGE=y and IPV6=m, this build error occurs:
br_multicast.c:(.text+0xa3341): undefined reference to `ipv6_dev_get_saddr'
BRIDGE_IGMP_SNOOPING is boolean; if it were tristate, then adding
depends on IPV6 || IPV6=n
to BRIDGE_IGMP_SNOOPING would be a good fix. As it is currently,
making BRIDGE depend on the IPV6 config works.
Reported-by: Patrick Schaaf <netdev@bof.de>
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6
* 'media_fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6:
[media] mantis_pci: remove asm/pgtable.h include
[media] tda829x: fix regression in probe functions
[media] mceusb: don't claim multifunction device non-IR parts
[media] nuvoton-cir: fix wake from suspend
[media] cx18: Add support for Hauppauge HVR-1600 models with s5h1411
[media] ivtv: Fix corrective action taken upon DMA ERR interrupt to avoid hang
[media] cx25840: fix probing of cx2583x chips
[media] cx23885: Remove unused 'err:' labels to quiet compiler warning
[media] cx23885: Revert "Check for slave nack on all transactions"
[media] DiB7000M: add pid filtering
[media] Fix sysfs rc protocol lookup for rc-5-sz
[media] au0828: fix VBI handling when in V4L2 streaming mode
[media] ir-raw: Properly initialize the IR event (BZ#27202)
[media] s2255drv: firmware re-loading changes
[media] Fix double free of video_device in mem2mem_testdev
[media] DM04/QQBOX memcpy to const char fix
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This patch fixes an issue in OpenIPMI module where sometimes an ABORT command
is sent after sending an IPMI request to BMC causing the IPMI request to fail.
Signed-off-by: YiCheng Doe <yicheng.doe@hp.com>
Signed-off-by: Corey Minyard <cminyard@mvista.com>
Acked-by: Tom Mingarelli <thomas.mingarelli@hp.com>
Tested-by: Andy Cress <andy.cress@us.kontron.com>
Tested-by: Mika Lansirine <Mika.Lansirinne@stonesoft.com>
Tested-by: Brian De Wolf <bldewolf@csupomona.edu>
Cc: Jean Michel Audet <Jean-Michel.Audet@ca.Kontron.com>
Cc: Jozef Sudelsky <jozef.sudolsky@elbiahosting.sk>
Acked-by: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6:
fs/dcache: allow d_obtain_alias() to return unhashed dentries
Check for immutable/append flag in fallocate path
sysctl: the include of rcupdate.h is only needed in the kernel
fat: fix d_revalidate oopsen on NFS exports
jfs: fix d_revalidate oopsen on NFS exports
ocfs2: fix d_revalidate oopsen on NFS exports
gfs2: fix d_revalidate oopsen on NFS exports
fuse: fix d_revalidate oopsen on NFS exports
ceph: fix d_revalidate oopsen on NFS exports
reiserfs xattr ->d_revalidate() shouldn't care about RCU
/proc/self is never going to be invalidated...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
x86, UV: Initialize the broadcast assist unit base destination node id properly
x86, numa: Fix numa_emulation code with memory-less node0
x86, build: Make sure mkpiggy fails on read error
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'sched-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
sched: Fix sched rt group scheduling when hierachy is enabled
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'perf/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
perf symbols: Avoid resolving [kernel.kallsyms] to real path for buildid cache
perf symbols: Fix vmlinux path when not using --symfs
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This reverts commit 951f3512dba5bd44cda3e5ee22b4b522e4bb09fb
drm/i915: Do not handle backlight combination mode specially
since this commit introduced other regressions due to untouched LBPC
register, e.g. the backlight dimmed after resume.
In addition to the revert, this patch includes a fix for the original
issue (weird backlight levels) by removing the wrong bit shift for
computing the current backlight level.
Also, including typo fixes (lpbc -> lbpc).
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=34524
Acked-by: Indan Zupancic <indan@nul.nu>
Reviewed-by: Keith Packard <keithp@keithp.com>
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Cc: <stable@kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Without this patch, inodes are not promptly freed on last close of an
unlinked file by an nfs client:
client$ mount -tnfs4 server:/export/ /mnt/
client$ tail -f /mnt/FOO
...
server$ df -i /export
server$ rm /export/FOO
(^C the tail -f)
server$ df -i /export
server$ echo 2 >/proc/sys/vm/drop_caches
server$ df -i /export
the df's will show that the inode is not freed on the filesystem until
the last step, when it could have been freed after killing the client's
tail -f. On-disk data won't be deallocated either, leading to possible
spurious ENOSPC.
This occurs because when the client does the close, it arrives in a
compound with a putfh and a close, processed like:
- putfh: look up the filehandle. The only alias found for the
inode will be DCACHE_UNHASHED alias referenced by the filp
this, so it creates a new DCACHE_DISCONECTED dentry and
returns that instead.
- close: closes the existing filp, which is destroyed
immediately by dput() since it's DCACHE_UNHASHED.
- end of the compound: release the reference
to the current filehandle, and dput() the new
DCACHE_DISCONECTED dentry, which gets put on the
unused list instead of being destroyed immediately.
Nick Piggin suggested fixing this by allowing d_obtain_alias to return
the unhashed dentry that is referenced by the filp, instead of making it
create a new dentry.
Leave __d_find_alias() alone to avoid changing behavior of other
callers.
Also nfsd doesn't need all the checks of __d_find_alias(); any dentry,
hashed or unhashed, disconnected or not, should work.
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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The 5750 ASIC rev was never released as a PCI device. It only exists as
a PCIe device. This patch removes the code that supports the former
configuration.
Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch moves the function that initializes the link configuration
closer to the place where the rest of the phy code is initialized.
Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In the near future, the VAux switching decision process is going to get
more complicated. This patch refines and consolidates the existing
algorithm in anticipation of the new scheme.
Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Commit 895950c2a6565d9eefda4a38b00fa28537e39fcb, entitled
"tg3: Use DEFINE_PCI_DEVICE_TABLE" moved two pci device tables into the
global address space, but didn't declare them static and didn't prefix
them with "tg3_". This patch fixes those problems.
Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch adds code to verify the checksum stored in the "RV" info
keyword of the RODATA VPD section.
Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The tg3 NVRAM selftest actually fails when validating the checksum of
the legacy NVRAM format. However, the test still reported success
because the last update of the return code was a success from the NVRAM
reads. This patch fixes the code so that the error return code defaults
to a failure status. Then the patch fixes the reason why the checsum
validation failed.
Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Commit 2866d956fe0ad8fc8d8a7c54104ccc879b49406d, entitled
"tg3: Expand 5719 workaround" extended a 5719 A0 workaround to all
revisions of the chip. There was a change that should have been a
part of that patch that was missed. This patch adds the missing
piece.
Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In the fallocate path the kernel doesn't check for the immutable/append
flag. It's possible to have a race condition in this scenario: an
application open a file in read/write and it does something, meanwhile
root set the immutable flag on the file, the application at that point
can call fallocate with success. In addition, we don't allow to do any
unreserve operation on an append only file but only the reserve one.
Signed-off-by: Marco Stornelli <marco.stornelli@gmail.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Fixes this built error:
include/linux/sysctl.h:28: included file 'linux/rcupdate.h' is not exported
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Acked-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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can't blindly check nd->flags in ->d_revalidate()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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can't blindly check nd->flags in ->d_revalidate()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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can't blindly check nd->flags in ->d_revalidate()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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can't blindly check nd->flags in ->d_revalidate()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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can't blindly check nd->flags in ->d_revalidate()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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can't blindly check nd->flags in ->d_revalidate()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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... it returns an error unconditionally
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Like in commit 44713b67db10c774f14280c129b0d5fd13c70cf2
("ipv4: Optimize flow initialization in output route lookup."
we can optimize the on-stack flow setup to only initialize
the members which are actually used.
Otherwise we bzero the entire structure, then initialize
explicitly the first half of it.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Like in commit 44713b67db10c774f14280c129b0d5fd13c70cf2
("ipv4: Optimize flow initialization in output route lookup."
we can optimize the on-stack flow setup to only initialize
the members which are actually used.
Otherwise we bzero the entire structure, then initialize
explicitly the first half of it.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Addresses https://bugzilla.kernel.org/show_bug.cgi?id=29252
Addresses https://bugzilla.kernel.org/show_bug.cgi?id=30462
In commit d80bc0fd262ef840ed4e82593ad6416fa1ba3fc4 ("ipv6: Always
clone offlink routes.") we forced the kernel to always clone offlink
routes.
The reason we do that is to make sure we never bind an inetpeer to a
prefixed route.
The logic turned on here has existed in the tree for many years,
but was always off due to a protecting CPP define. So perhaps
it's no surprise that there is a logic bug here.
The problem is that we canot clone a route that is already a
host route (ie. has DST_HOST set). Because if we do, an identical
entry already exists in the routing tree and therefore the
ip6_rt_ins() call is going to fail.
This sets off a series of failures and high cpu usage, because when
ip6_rt_ins() fails we loop retrying this operation a few times in
order to handle a race between two threads trying to clone and insert
the same host route at the same time.
Fix this by simply using the route as-is when DST_HOST is set.
Reported-by: slash@ac.auone-net.jp
Reported-by: Ernst Sjöstrand <ernstp@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc:
powerpc/pseries: Disable VPNH feature
powerpc/iseries: Fix early init access to lppaca
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git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6:
net: don't allow CAP_NET_ADMIN to load non-netdev kernel modules
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Fixes this build-check error:
include/linux/sysctl.h:28: included file 'linux/rcupdate.h' is not exported
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Since a8f80e8ff94ecba629542d9b4b5f5a8ee3eb565c any process with
CAP_NET_ADMIN may load any module from /lib/modules/. This doesn't mean
that CAP_NET_ADMIN is a superset of CAP_SYS_MODULE as modules are
limited to /lib/modules/**. However, CAP_NET_ADMIN capability shouldn't
allow anybody load any module not related to networking.
This patch restricts an ability of autoloading modules to netdev modules
with explicit aliases. This fixes CVE-2011-1019.
Arnd Bergmann suggested to leave untouched the old pre-v2.6.32 behavior
of loading netdev modules by name (without any prefix) for processes
with CAP_SYS_MODULE to maintain the compatibility with network scripts
that use autoloading netdev modules by aliases like "eth0", "wlan0".
Currently there are only three users of the feature in the upstream
kernel: ipip, ip_gre and sit.
root@albatros:~# capsh --drop=$(seq -s, 0 11),$(seq -s, 13 34) --
root@albatros:~# grep Cap /proc/$$/status
CapInh: 0000000000000000
CapPrm: fffffff800001000
CapEff: fffffff800001000
CapBnd: fffffff800001000
root@albatros:~# modprobe xfs
FATAL: Error inserting xfs
(/lib/modules/2.6.38-rc6-00001-g2bf4ca3/kernel/fs/xfs/xfs.ko): Operation not permitted
root@albatros:~# lsmod | grep xfs
root@albatros:~# ifconfig xfs
xfs: error fetching interface information: Device not found
root@albatros:~# lsmod | grep xfs
root@albatros:~# lsmod | grep sit
root@albatros:~# ifconfig sit
sit: error fetching interface information: Device not found
root@albatros:~# lsmod | grep sit
root@albatros:~# ifconfig sit0
sit0 Link encap:IPv6-in-IPv4
NOARP MTU:1480 Metric:1
root@albatros:~# lsmod | grep sit
sit 10457 0
tunnel4 2957 1 sit
For CAP_SYS_MODULE module loading is still relaxed:
root@albatros:~# grep Cap /proc/$$/status
CapInh: 0000000000000000
CapPrm: ffffffffffffffff
CapEff: ffffffffffffffff
CapBnd: ffffffffffffffff
root@albatros:~# ifconfig xfs
xfs: error fetching interface information: Device not found
root@albatros:~# lsmod | grep xfs
xfs 745319 0
Reference: https://lkml.org/lkml/2011/2/24/203
Signed-off-by: Vasiliy Kulikov <segoon@openwall.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Acked-by: David S. Miller <davem@davemloft.net>
Acked-by: Kees Cook <kees.cook@canonical.com>
Signed-off-by: James Morris <jmorris@namei.org>
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This feature triggers nasty races in the scheduler between the
rebuilding of the topology and the load balancing code, causing
the machine to hang.
Disable it for now until the races are fixed.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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The combination of commit
8154c5d22d91cd16bd9985b0638c8957e4688d0e and
93c22703efa72c7527dbd586d1951c1f4a85fd70
Broke boot on iSeries.
The problem is that iSeries very early boot code, which generates
the device-tree and runs before our normal early initializations
does need access the lppaca's very early, before the PACA array is
initialized, and in fact even before the boot PACA has been
initialized (it contains all 0's at this stage).
However, the first patch above makes that code use the new
llpaca_of(cpu) accessor, which itself is changed by the second patch to
use the PACA array.
We fix that by reverting iSeries to directly dereferencing the array. In
addition, we fix all iterators in the iSeries code to always skip CPU
whose number is above 63 which is the maximum size of that array and
the maximum number of supported CPUs on these machines.
Additionally, we make sure the boot_paca is properly initialized
in our early startup code.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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* 'for-2.6.38' of git://linux-nfs.org/~bfields/linux:
nfsd: wrong index used in inner loop
nfsd4: fix bad pointer on failure to find delegation
NFSD: fix decode_cb_sequence4resok
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