| Commit message (Collapse) | Author | Age | Files | Lines |
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Needed, as reported in:
http://bugzilla.kernel.org/show_bug.cgi?id=9260
Signed-off-by: David S. Miller <davem@davemloft.net>
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(akpm: it's doing copy_to_user() inside spin_lock_irqsave(): this driver
appears to be beyond help).
Signed-off-by: Roel Kluin <12o3l@tiscali.nl>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Commit baa3a2a0d24ebcf1c451bec8e5bee3d3467f4cbb, by removing initialization
of the ctl_name field, broke this conditional, preventing the display of
rpc_tasks that you previously got when turning on rpc debugging.
[akpm@linux-foundation.org: coding-style fixes]
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Acked-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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On systems with a very large amount of memory, the heuristics in
alloc_large_system_hash() result in a very large TCP established hash
table: 16 millions of entries for a 128 GB ia64 system. This makes
reading from /proc/net/tcp pretty slow (well over a second) and as a
result netstat is slow on these machines. I know that /proc/net/tcp is
deprecated in favor of tcp_diag, however at the moment netstat only
knows of the former.
I am skeptical that such a large TCP established hash is often needed.
Just because a system has a lot of memory doesn't imply that it will
have several millions of concurrent TCP connections. Thus I believe
that we should put an arbitrary high limit to the size of the TCP
established hash by default. Users who really need a bigger hash can
always use the thash_entries boot parameter to get more.
I propose 2 millions of entries as the arbitrary high limit. This
makes /proc/net/tcp reasonably fast on the system in question (0.2 s)
while being still large enough for me to be confident that network
performance won't suffer.
This is just one way to limit the hash size, there are others; I am not
familiar enough with the TCP code to decide which is best. Thus, I
would welcome the proposals of alternatives.
[ 2 million is still too large, thus I've modified the limit in the
change to be '512 * 1024'. -DaveM ]
Signed-off-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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as some architectures have unsigned long for u64.
net/sunrpc/xprtrdma/rpc_rdma.c: In function 'rpcrdma_create_chunks':
net/sunrpc/xprtrdma/rpc_rdma.c:222: warning: format '%llx' expects type 'long long unsigned int', but argument 4 has type 'u64'
net/sunrpc/xprtrdma/rpc_rdma.c:234: warning: format '%llx' expects type 'long long unsigned int', but argument 5 has type 'u64'
net/sunrpc/xprtrdma/rpc_rdma.c: In function 'rpcrdma_count_chunks':
net/sunrpc/xprtrdma/rpc_rdma.c:577: warning: format '%llx' expects type 'long long unsigned int', but argument 4 has type 'u64
Noticed on PowerPC pseries_defconfig build.
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
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While displaying ICMP out-going statistics as Out<name> counters in
/proc/net/snmp, the memory location for ICMP in-coming statistics
was referred by mistake.
Signed-off-by: Mitsuru Chinen <mitch@linux.vnet.ibm.com>
Acked-by: David L Stevens <dlstevens@us.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If either of the two sock_alloc_fd() calls fail, we
forget to update 'err' and thus we'll erroneously
return zero in these cases.
Based upon a report and patch from Rich Paul, and
commentary from Chuck Ebbert.
Signed-off-by: David S. Miller <davem@davemloft.net>
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This allocation is expected to fail and we handle it by fallback to vmalloc().
So don't scare people with nasty messages like
http://bugzilla.kernel.org/show_bug.cgi?id=9190
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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netpoll_poll_lock() synchronizes the ->poll() invocation
code paths, but once we have the lock we have to make
sure that NAPI_STATE_SCHED is still set. Otherwise we
get:
cpu 0 cpu 1
net_rx_action() poll_napi()
netpoll_poll_lock() ... spin on ->poll_lock
->poll()
netif_rx_complete
netpoll_poll_unlock() acquire ->poll_lock()
->poll()
netif_rx_complete()
CRASH
Based upon a bug report from Tina Yang.
Signed-off-by: David S. Miller <davem@davemloft.net>
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while reviewing the tcp_md5-related code further i came across with
another two of these casts which you probably have missed. I don't
actually think that they impose a problem by now, but as you said we
should remove them.
Signed-off-by: Matthias M. Dellweg <2500@gmx.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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TCP Vegas implementation has a bug in the process of disabling
slow-start with gamma parameter. The bug may lead to extreme
unfairness in the presence of early packet loss. See details in:
http://www.cs.caltech.edu/~weixl/technical/ns2linux/known_linux/index.html#vegas
Switch the order of "if (tp->snd_cwnd <= tp->snd_ssthresh)" statement
and "if (diff > gamma)" statement to eliminate the problem.
Signed-off-by: Xiaoliang (David) Wei <davidwei79@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Instead of using the default timeout of 3 minutes, this uses the timeout
specific to the protocol used for the connection. The 3 minute timeout
seems somewhat arbitrary (though I know it is used other places in the
ipvs code) and when failing over it would be much nicer to use one of
the configured timeout values.
Signed-off-by: Andy Gospodarek <andy@greyhouse.net>
Acked-by: Simon Horman <horms@verge.net.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This bug was introduced by the commit
d12af679bcf8995a237560bdf7a4d734f8df5dbb (sysctl: fix neighbour table
sysctls).
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6: (26 commits)
cpuidle: remove unused exports
acpi: remove double mention of Support for ACPI option
ACPI: use select POWER_SUPPLY for AC, BATTERY and SBS
ACPI: Battery: Allow extract string from integer
ACPI: battery: Support for non-spec name for LiIon technology
ACPI: battery: register power_supply subdevice only when battery is present
suspend: MAINTAINERS update
ACPI: update MAINTAINERS
fujitsu-laptop.c: remove dead code
cpuidle: unexport tick_nohz_get_sleep_length
ACPI: battery: Update battery information upon sysfs read.
fujitsu-laptop: make 2 functions static
ACPI: EC: fix use-after-free
ACPI: battery: remove dead code
ACPI: Fan: Drop force_power_state acpi_device option
ACPI: Fan: fan device does not need own structure
ACPI: power: don't cache power resource state
ACPI: EC: Output changes to operational mode
ACPI: EC: Add workaround for "optimized" controllers
ACPI: EC: Don't re-enable GPE for each transaction.
...
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Current description for CONFIG_ACPI includes the word "Support" twice. One
effect of this is that in menuconfig the "--->" that indicates the presence
of sub-options will not show up unless you have a very wide console.
Signed-off-by: Frans Pop <elendil@planet.nl>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Len Brown <len.brown@intel.com>
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> I guess it is time to clarify that suspend and hibernation are separate
> things, and add Rafael as a maintainer. Plus, people blame us for suspend
> problems, anyway, I guess it is fair to mark us as suspend maintainers, too.
If blame is the qualification, I guess I'm already part of this merry band:-)
Change to Supported from Maintained, as the folks that sign my paycheck
agree it is a good idea for me to help out on suspend.
Acked-by: Pavel Machek <pavel@suse.cz>
Acked-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Len Brown <len.brown@intel.com>
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Newly minted project home page -- http://www.lesswatts.org/projects/acpi/
Konstantin moved on, so default back to Len for Thermal/Fan.
Rui replaces Luming on video.
Signed-off-by: Len Brown <len.brown@intel.com>
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This patch removes the following unused exports:
- cpuidle_devices
- cpuidle_register_governor
- cpuidle_unregister_governor
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Len Brown <len.brown@intel.com>
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This patch removes the unused
EXPORT_SYMBOL_GPL(tick_nohz_get_sleep_length),
which we no long user b/c we no longer build optional modules.
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Acked-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Len Brown <len.brown@intel.com>
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This patch removes dead code spotted by the Coverity checker.
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Jonathan Woithe <jwoithe@physics.adelaide.edu.au>
Signed-off-by: Len Brown <len.brown@intel.com>
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acpi_fujitsu_{add,remove}() can become static.
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Jonathan Woithe <jwoithe@physics.adelaide.edu.au>
Signed-off-by: Len Brown <len.brown@intel.com>
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POWER_SUPPLY is needed for AC, battery, and SBS sysfs support. Use
'select' instead of 'depends on', as it is will not be selected by anything
else, leading to confusion.
Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Tested-by: Frans Pop <elendil@planet.nl>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Len Brown <len.brown@intel.com>
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Some machines return integer instead of expected string.
Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Tested-by: Andrey Borzenkov <arvidjaar@mail.ru>
Tested-by: Frans Pop <elendil@planet.nl>
Signed-off-by: Len Brown <len.brown@intel.com>
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Support Li-Ion as possible name for technology.
Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>
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Make sure no power_supply object is present unless we actualy detect
presence of battery. This fixes ghost batteries detected by HAL
Signed-off-by: Andrey Borzenkov <arvidjaar@mail.ru>
Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>
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Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>
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This patch fixes a use-after-free introduced by
commit 30c08574da0ead1a47797ce028218ce5b2de61c7
(ACPI: EC: Add new query handler to list head)
Spotted by the Coverity checker.
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Acked-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>
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After commit f1d4661abe05d0a2c014166042d15ed8b69ae8f2 this was dead
code.
Spotted by the Coverity checker.
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Acked-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>
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force_power_state was used as a workaround for invalid cached
power state of the device. We do not cache power state, so no need for
workaround.
Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Acked-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Len Brown <len.brown@intel.com>
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Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Acked-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Len Brown <len.brown@intel.com>
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ACPI may change power resource state behind our back, so don't
keep our local copy, which may not be valid.
Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>
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Insert printk() for every change in operational mode.
Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Acked-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Len Brown <len.brown@intel.com>
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Some controllers do not send interrupts for OBF=1 event, but send
them for IBF=0. Add workaround for them.
Reference: http://bugzilla.kernel.org/show_bug.cgi?id=8459
Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>
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With the auto selection of operation mode, absence of GPEs does not
really degrade performance, so let PM code to handle
enabling/disabling GPEs.
This is a revert of 5d57a6a55ec0bdcb952dbcd3f8ffcde8a3ee9413,
which was meant to be temporary.
Reference: http://bugzilla.kernel.org/show_bug.cgi?id=7977
Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Acked-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Len Brown <len.brown@intel.com>
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Start in POLL mode, and if we receive confirmation GPE,
switch to INT mode.
If confirmations are not sent, switch back to POLL.
Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>
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There is no interrupt after last read according to spec, so
don't set bit that we are expecting one.
Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>
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Number of flags is about to be increased, so it is better to
put them all into bits.
No functional changes.
Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Acked-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Len Brown <len.brown@intel.com>
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Input layer should know about initial state of lid switch,
even before first notify.
Reference: https://bugzilla.novell.com/show_bug.cgi?id=326814
Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Acked-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Len Brown <len.brown@intel.com>
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acpi_leave_sleep_state() should have correct list of wake and
runtime GPEs, which is available only after disable_wakeup_device()
is called.
Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Acked-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Len Brown <len.brown@intel.com>
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Commit 9b039330808b83acac3597535da26f47ad1862ce removed
acpi_gpe_sleep_prepare(), the only function used at S5 transition
Add call to generic acpi_enable_wake_device().
Reference: https://bugzilla.novell.com/show_bug.cgi?id=299882
Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Acked-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Len Brown <len.brown@intel.com>
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* git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86:
x86 boot: document for 32 bit boot protocol
remove the dead X86_REMOTE_DEBUG option
x86: merge EARLY_PRINTK options
x86: mm/discontig_32.c: make code static
x86: kernel/setup_32.c: unexport machine_id
x86 gart: rename symbols only used for the GART implementation
x86 gart: make some variables and functions static
x86 gart: rename CONFIG_IOMMU to CONFIG_GART_IOMMU
x86 gart: rename iommu.h to gart.h
x86: additional CPUID strings; fix strings for AMD-ecx
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This patch documents the 32-bit boot protocol of x86. It has been used
by Kexec and LinuxBIOS. This patch is based on the proposal of Peter
Anvin.
Signed-off-by: Huang Ying <ying.huang@intel.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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This patch removes the dead X86_REMOTE_DEBUG option.
Signed-off-by: Adrian Bunk <bunk@kernel.org>
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This patch merges the x86_64 EARLY_PRINTK option into the i386 one.
Signed-off-by: Adrian Bunk <bunk@kernel.org>
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node0_bdata and paddr_to_nid() can become static.
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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This patch removes the unused EXPORT_SYMBOL(machine_id).
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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