| Commit message (Collapse) | Author | Age | Files | Lines |
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Change-Id: I84dc53e949be90ca464cb80432105130d089dd90
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Change-Id: Iab4e05f831e09d6cb2b40a2117accdb5b903a6b2
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Change-Id: Iefbeee4aa149eaf9a5aca1651cc39a592f0e4208
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taken from samsung i9100 jb update
Change-Id: Ie67ffa8a72101fbe4460cdde1cb5c3435979ca66
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- ported from Codeworkx's smdk4210 patch (https://github.com/CyanogenMod/android_kernel_samsung_smdk4210/commit/7f87bd61861a7c6dfc74c6f113f4df655b8925ff)
- allows to use both internal and external sd-card as mass-storage on devices with two cards
Change-Id: I3345097081bc1e306b8a63c0ae2b0edcccbff018
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I found a problem with the ondemand governor while in earlysuspend
suspend mode (ondemand keeping the freq close to the max at all times
despite near 0% load). The problem is that the cpu starts to go in
long cpuidle cycles, a sampling_rate of 10000 (usec) is applied only
once in a while and the real sampling_rate becomes 1 second (or more).
So when a wakeup happens we return to the 10000usec sampling rate. The
ondemand sees lots of activity after the wakeup but those "loads" must
be adjusted down if the previous wall_time delta was huge and the
current one is tiny. We're too close to long cpuidle to worry about
the cpu freq anyway and it may be just a jitter load that if we take
into account without adjusting it down, will lead to the next long
cpuidle to be entered at the max freq again, and this repeats forever.
So my solution is to tweak the ondemand to scale down the "load"
according to the decrease in the wall_time delta ratio
(deep_sleep_ratio variable). This allows the CPU to stay at the lowest
freq during the deep sleeps even when the ondemand governor is enabled
and the sampling_rate is set to 10000. (setting the sampling_rate to
values >100000 would also tend to hide the problem but it'd screw the
interactive behavior by running at the lowest frequency for too long
during interactive usage)
During interactive usage with the screen on (not in earlysuspend
mode), or during playback or voip with screen off the deep_sleep_rate
is set to 1 practically all the time so it won't alter the behavior of
the ondemand governor unless the system is very idle (and in turn when
we want it to stay at low freq).
Change-Id: If0391e6d6c41c1c8c9fa590502e88e681a800b04
Signed-off-by: Andrea Arcangeli <andrea@cpushare.com>
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Change-Id: I4ac65badbd41c930bc226d0162cdb446f32d6fe6
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This reduces the janky scrolling observed
Picked from : https://github.com/kgp700/exyroid-sgs2-jb/commit/2476a919c24f07e04f50a80442fc65d27af51ff5
Change-Id: I07c166f6f07b2874fa20be6f41bc5a016d93e653
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Change-Id: Ied425b0a0c8cd83ba96fdbdfa15a979af59f7cae
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Change-Id: If3270ba8e454d224d18202ff5e751fc61792b4d7
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Change-Id: I544cf4065fd18bd9a54c855fdbbe3507c3ec3f75
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Change-Id: Ieed885c3c06c8c0445d6e6f2bd68de2bc0223491
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Change-Id: Ibf954e20e70c9e6dac75b8e1da02bf5a1152098c
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Change-Id: I9629a4060538c9c4c6a43a86a56826cd7123d1b5
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Change-Id: Ic7caec90cd2c7bb977040d4e416016ca36ee4eea
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On OSX hosts the md5sum executable is called md5 instead.
Change-Id: I0b8e3ab137136be6e45fd4b9f77f2c036e8b981a
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drivers pulled from http://review.cyanogenmod.org/#/c/36122/
Change-Id: Ide4aef99ee1d594f4222ae69aca0bdb7d563e80a
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Change-Id: I7f0e89e533f7d639d88da16bd56ccc931eb36ad7
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Change-Id: I3a8ffe754b222d553975ca0ea85489f8f71bdbbd
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Change-Id: I210846d796a04daf844924129626f4b9ca0ed1ec
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Change-Id: Ifed3eefcbc081b3cdde4082ec86c8a39a2a3071a
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Change-Id: Ic5d7355620b6762b6a6b0e39d8fb895c119d1dce
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Change-Id: Iaa76975d4635d2f5c560d39fbf23919410e7e64f
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Change-Id: I67f753a0702f224c6202247d0fd500c719326a96
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Change-Id: I01857784f0506a0b443dd01c801908e0beea5f66
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Change-Id: I75db69081b986ec326fe347f73aa3655648e6b81
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Change-Id: I7f8414839e2205dff8939cab6739789633e31204
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Courtesy of Brian Beloshapka (bbelos)
Change-Id: I4b0a8d591bfe57c9f69943ecaf2fa80e772fde8e
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Change-Id: Ic290661cf04c03a10e444d0ee8b1b6c713470e78
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Change-Id: I16a99ec34895212fecbafa13fdb714158b476dad
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Samsung forked compaction and page_alloc to
compaction-cma and page_alloc-cma - fix stuff
that breaks. We may need to update more later.
Change-Id: I8325611e4e41af22688553a835dbc490c70793e1
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Change-Id: Ib92c3067dec28605e8905daddc44a667683bebc7
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Conflicts:
arch/arm/Kconfig
arch/arm/include/asm/hwcap.h
arch/arm/kernel/smp.c
arch/arm/plat-samsung/adc.c
drivers/gpu/drm/i915/i915_reg.h
drivers/gpu/drm/i915/intel_drv.h
drivers/mmc/core/sd.c
drivers/net/tun.c
drivers/net/usb/usbnet.c
drivers/regulator/max8997.c
drivers/usb/core/hub.c
drivers/usb/host/xhci.h
drivers/usb/serial/qcserial.c
fs/jbd2/transaction.c
include/linux/migrate.h
kernel/sys.c
kernel/time/timekeeping.c
lib/genalloc.c
mm/memory-failure.c
mm/memory_hotplug.c
mm/mempolicy.c
mm/page_alloc.c
mm/vmalloc.c
mm/vmscan.c
mm/vmstat.c
scripts/Kbuild.include
Change-Id: I91e2d85c07320c7ccfc04cf98a448e89bed6ade6
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[ Upstream commit b9149729ebdcfce63f853aa54a404c6a8f6ebbf3 ]
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Acked-by: Jan Beulich <JBeulich@suse.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 4cc7c1cb7b11b6f3515bd9075527576a1eecc4aa ]
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 7d5145d8eb2b9791533ffe4dc003b129b9696c48 ]
Signed-off-by: Matthew Daley <mattjd@gmail.com>
Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
Acked-by: Jan Beulich <JBeulich@suse.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 48856286b64e4b66ec62b94e504d0b29c1ade664 ]
A buggy or malicious frontend should not be able to confuse netback.
If we spot anything which is not as it should be then shutdown the
device and don't try to continue with the ring in a potentially
hostile state. Well behaved and non-hostile frontends will not be
penalised.
As well as making the existing checks for such errors fatal also add a
new check that ensures that there isn't an insane number of requests
on the ring (i.e. more than would fit in the ring). If the ring
contains garbage then previously is was possible to loop over this
insane number, getting an error each time and therefore not generating
any more pending requests and therefore not exiting the loop in
xen_netbk_tx_build_gops for an externded period.
Also turn various netdev_dbg calls which no precipitate a fatal error
into netdev_err, they are rate limited because the device is shutdown
afterwards.
This fixes at least one known DoS/softlockup of the backend domain.
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Acked-by: Jan Beulich <JBeulich@suse.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit daf3ec688e057f6060fb9bb0819feac7a8bbf45c ]
TG3_PHY_AUXCTL_SMDSP_ENABLE/DISABLE macros do a blind write to the phy
auxiliary control register and overwrite the EXT_PKT_LEN (bit 14) resulting
in intermittent crc errors on jumbo frames with some link partners. Change
the code to do a read/modify/write.
Signed-off-by: Nithin Nayak Sujir <nsujir@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 9c13cb8bb477a83b9a3c9e5a5478a4e21294a760 ]
When netconsole is enabled, logging messages generated during tg3_open
can result in a null pointer dereference for the uninitialized tg3
status block. Use the irq_sync flag to disable polling in the early
stages. irq_sync is cleared when the driver is enabling interrupts after
all initialization is completed.
Signed-off-by: Nithin Nayak Sujir <nsujir@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 6caab7b0544e83e6c160b5e80f5a4a7dd69545c7 ]
If lower layer driver leaves the ip header in the skb fragment, it needs to
be first pulled into skb->data before inspecting ip header length or ip version
number.
Signed-off-by: Sarveshwar Bandi <sarveshwar.bandi@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit ae62ca7b03217be5e74759dc6d7698c95df498b3 ]
commit 35f9c09fe9c72e (tcp: tcp_sendpages() should call tcp_push() once)
added an internal flag : MSG_SENDPAGE_NOTLAST meant to be set on all
frags but the last one for a splice() call.
The condition used to set the flag in pipe_to_sendpage() relied on
splice() user passing the exact number of bytes present in the pipe,
or a smaller one.
But some programs pass an arbitrary high value, and the test fails.
The effect of this bug is a lack of tcp_push() at the end of a
splice(pipe -> socket) call, and possibly very slow or erratic TCP
sessions.
We should both test sd->total_len and fact that another fragment
is in the pipe (pipe->nrbufs > 1)
Many thanks to Willy for providing very clear bug report, bisection
and test programs.
Reported-by: Willy Tarreau <w@1wt.eu>
Bisected-by: Willy Tarreau <w@1wt.eu>
Tested-by: Willy Tarreau <w@1wt.eu>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 6731d2095bd4aef18027c72ef845ab1087c3ba63 ]
There are transients during normal FRTO procedure during which
the packets_in_flight can go to zero between write_queue state
updates and firing the resulting segments out. As FRTO processing
occurs during that window the check must be more precise to
not match "spuriously" :-). More specificly, e.g., when
packets_in_flight is zero but FLAG_DATA_ACKED is true the problematic
branch that set cwnd into zero would not be taken and new segments
might be sent out later.
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Tested-by: Eric Dumazet <edumazet@google.com>
Acked-by: Neal Cardwell <ncardwell@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 2e5f421211ff76c17130b4597bc06df4eeead24f ]
Commit 9dc274151a548 (tcp: fix ABC in tcp_slow_start())
uncovered a bug in FRTO code :
tcp_process_frto() is setting snd_cwnd to 0 if the number
of in flight packets is 0.
As Neal pointed out, if no packet is in flight we lost our
chance to disambiguate whether a loss timeout was spurious.
We should assume it was a proper loss.
Reported-by: Pasi Kärkkäinen <pasik@iki.fi>
Signed-off-by: Neal Cardwell <ncardwell@google.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Cc: Yuchung Cheng <ycheng@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit b5c37fe6e24eec194bb29d22fdd55d73bcc709bf ]
On sctp_endpoint_destroy, previously used sensitive keying material
should be zeroed out before the memory is returned, as we already do
with e.g. auth keys when released.
Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
Acked-by: Vlad Yasevich <vyasevic@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 6ba542a291a5e558603ac51cda9bded347ce7627 ]
In sctp_setsockopt_auth_key, we create a temporary copy of the user
passed shared auth key for the endpoint or association and after
internal setup, we free it right away. Since it's sensitive data, we
should zero out the key before returning the memory back to the
allocator. Thus, use kzfree instead of kfree, just as we do in
sctp_auth_key_put().
Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 2f94aabd9f6c925d77aecb3ff020f1cc12ed8f86 ]
Jamie Parsons reported a problem recently, in which the re-initalization of an
association (The duplicate init case), resulted in a loss of receive window
space. He tracked down the root cause to sctp_outq_teardown, which discarded
all the data on an outq during a re-initalization of the corresponding
association, but never reset the outq->outstanding_data field to zero. I wrote,
and he tested this fix, which does a proper full re-initalization of the outq,
fixing this problem, and hopefully future proofing us from simmilar issues down
the road.
Signed-off-by: Neil Horman <nhorman@tuxdriver.com>
Reported-by: Jamie Parsons <Jamie.Parsons@metaswitch.com>
Tested-by: Jamie Parsons <Jamie.Parsons@metaswitch.com>
CC: Jamie Parsons <Jamie.Parsons@metaswitch.com>
CC: Vlad Yasevich <vyasevich@gmail.com>
CC: "David S. Miller" <davem@davemloft.net>
CC: netdev@vger.kernel.org
Acked-by: Vlad Yasevich <vyasevich@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit ab54ee80aa7585f9666ff4dd665441d7ce41f1e8 ]
We have conflicting type qualifiers for "freg_t" in s390's ptrace.h and the
iphase atm device driver, which causes the compile error below.
Unfortunately the s390 typedef can't be renamed, since it's a user visible api,
nor can I change the include order in s390 code to avoid the conflict.
So simply rename the iphase typedef to a new name. Fixes this compile error:
In file included from drivers/atm/iphase.c:66:0:
drivers/atm/iphase.h:639:25: error: conflicting type qualifiers for 'freg_t'
In file included from next/arch/s390/include/asm/ptrace.h:9:0,
from next/arch/s390/include/asm/lowcore.h:12,
from next/arch/s390/include/asm/thread_info.h:30,
from include/linux/thread_info.h:54,
from include/linux/preempt.h:9,
from include/linux/spinlock.h:50,
from include/linux/seqlock.h:29,
from include/linux/time.h:5,
from include/linux/stat.h:18,
from include/linux/module.h:10,
from drivers/atm/iphase.c:43:
next/arch/s390/include/uapi/asm/ptrace.h:197:3: note: previous declaration of 'freg_t' was here
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Acked-by: chas williams - CONTRACTOR <chas@cmf.nrl.navy.mil>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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