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Change snmp RETRANSFAILS stat to include timeout retransmit failures
in addition to other loss recoveries.
Signed-off-by: Yuchung Cheng <ycheng@google.com>
Acked-by: Neal Cardwell <ncardwell@google.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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>> drivers/net/usb/r815x.c:38:16: sparse: cast to restricted __le32
>> drivers/net/usb/r815x.c:67:15: sparse: cast to restricted __le32
>> drivers/net/usb/r815x.c:69:13: sparse: incorrect type in assignment (different base types)
drivers/net/usb/r815x.c:69:13: expected unsigned int [unsigned] [addressable] [assigned] [usertype] tmp
drivers/net/usb/r815x.c:69:13: got restricted __le32 [usertype] <noident>
Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Spotted-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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config: make ARCH=avr32 allyesconfig
drivers/net/usb/r8152.c: In function 'rtl8152_start_xmit':
drivers/net/usb/r8152.c:956: warning: integer overflow in expression
955 memset(tx_desc, 0, sizeof(*tx_desc));
> 956 tx_desc->opts1 = cpu_to_le32((len & TX_LEN_MASK) | TX_FS | TX_LS);
957 tp->tx_skb = skb;
Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Spotted-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Sunghan Suh <sunghan.suh@samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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patch found using checkpatch.pl
Signed-off-by: Cosmin Stanescu <cosmin90stanescu@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Since commit ab78029 (drivers/pinctrl: grab default handles from device core),
we can rely on device core for setting the default pins. Compile tested only.
Acked-by: Linus Walleij <linus.walleij@linaro.org> (personally at LCE13)
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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probe
Since commit ab78029 (drivers/pinctrl: grab default handles from device core),
we can rely on device core for setting the default pins. Compile tested only.
Acked-by: Linus Walleij <linus.walleij@linaro.org> (personally at LCE13)
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Since commit ab78029 (drivers/pinctrl: grab default handles from device core),
we can rely on device core for setting the default pins. Compile tested only.
Acked-by: Linus Walleij <linus.walleij@linaro.org> (personally at LCE13)
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Acked-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Base on cdc_ether, add the mii functions for RTL8152 and RTL8153.
The RTL8152 and RTL8153 support ECM mode which use the driver of
cdc_ether. Add the mii functions. Then, the basic PHY access is
possible.
Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Instead of passing each byte by stack let's use nice specifier for that.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Jitendra Kalsaria <jitendra.kalsaria@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This change fixes an MTU sizing issue seen with gretap tunnels when non-gso
packets are sent from the interface.
In my case I was able to reproduce the issue by simply sending a ping of
1421 bytes with the gretap interface created on a device with a standard
1500 mtu.
This fix is based on the fact that the tunnel mtu is already adjusted by
dev->hard_header_len so it would make sense that any packets being compared
against that mtu should also be adjusted by hard_header_len and the tunnel
header instead of just the tunnel header.
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Reported-by: Cong Wang <amwang@redhat.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch removes the forward declaration of qfq_update_agg_ts, by moving
the definition of the function above its first call. This patch also
removes a useless forward declaration of qfq_schedule_agg.
Reported-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Paolo Valente <paolo.valente@unimore.it>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In make_eligible, a mask is used to decide which groups must become eligible:
the i-th group becomes eligible only if the i-th bit of the mask (from the
right) is set. The mask is computed by left-shifting a 1 by a given number of
places, and decrementing the result. The shift is performed on a ULL to avoid
problems in case the number of places to shift is higher than 31. On a 32-bit
machine, this is more costly than working on an UL. This patch replaces such a
costly operation with two cheaper branches.
The trick is based on the following fact: in case of a shift of at least 32
places, the resulting mask has at least the 32 less significant bits set,
whereas the total number of groups is lower than 32. As a consequence, in this
case it is enough to just set the 32 less significant bits of the mask with a
cheaper ~0UL. In the other case, the shift can be safely performed on a UL.
Reported-by: David S. Miller <davem@davemloft.net>
Reported-by: David Laight <David.Laight@ACULAB.COM>
Signed-off-by: Paolo Valente <paolo.valente@unimore.it>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This change makes it so that the GRE and VXLAN tunnels can make use of Tx
checksum offload support provided by some drivers via the hw_enc_features.
Without this fix enabling GSO means sacrificing Tx checksum offload and
this actually leads to a performance regression as shown below:
Utilization
Send
Throughput local GSO
10^6bits/s % S state
6276.51 8.39 enabled
7123.52 8.42 disabled
To resolve this it was necessary to address two items. First
netif_skb_features needed to be updated so that it would correctly handle
the Trans Ether Bridging protocol without impacting the need to check for
Q-in-Q tagging. To do this it was necessary to update harmonize_features
so that it used skb_network_protocol instead of just using the outer
protocol.
Second it was necessary to update the GRE and UDP tunnel segmentation
offloads so that they would reset the encapsulation bit and inner header
offsets after the offload was complete.
As a result of this change I have seen the following results on a interface
with Tx checksum enabled for encapsulated frames:
Utilization
Send
Throughput local GSO
10^6bits/s % S state
7123.52 8.42 disabled
8321.75 5.43 enabled
v2: Instead of replacing refrence to skb->protocol with
skb_network_protocol just replace the protocol reference in
harmonize_features to allow for double VLAN tag checks.
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Found using checkpatch.pl
Signed-off-by: Camelia Groza <camelia.groza@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If __rtnl_link_register() return faild when loading the ifb, it will
take the wrong path and get oops, so fix it just like dummy.
Signed-off-by: Ding Tianhong <dingtianhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We rename the dummy in modprobe.conf like this:
install dummy0 /sbin/modprobe -o dummy0 --ignore-install dummy
install dummy1 /sbin/modprobe -o dummy1 --ignore-install dummy
We got oops when we run the command:
modprobe dummy0
modprobe dummy1
------------[ cut here ]------------
[ 3302.187584] BUG: unable to handle kernel NULL pointer dereference at 0000000000000008
[ 3302.195411] IP: [<ffffffff813fe62a>] __rtnl_link_unregister+0x9a/0xd0
[ 3302.201844] PGD 85c94a067 PUD 8517bd067 PMD 0
[ 3302.206305] Oops: 0002 [#1] SMP
[ 3302.299737] task: ffff88105ccea300 ti: ffff880eba4a0000 task.ti: ffff880eba4a0000
[ 3302.307186] RIP: 0010:[<ffffffff813fe62a>] [<ffffffff813fe62a>] __rtnl_link_unregister+0x9a/0xd0
[ 3302.316044] RSP: 0018:ffff880eba4a1dd8 EFLAGS: 00010246
[ 3302.321332] RAX: 0000000000000000 RBX: ffffffff81a9d738 RCX: 0000000000000002
[ 3302.328436] RDX: 0000000000000000 RSI: ffffffffa04d602c RDI: ffff880eba4a1dd8
[ 3302.335541] RBP: ffff880eba4a1e18 R08: dead000000200200 R09: dead000000100100
[ 3302.342644] R10: 0000000000000080 R11: 0000000000000003 R12: ffffffff81a9d788
[ 3302.349748] R13: ffffffffa04d7020 R14: ffffffff81a9d670 R15: ffff880eba4a1dd8
[ 3302.364910] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3302.370630] CR2: 0000000000000008 CR3: 000000085e15e000 CR4: 00000000000427e0
[ 3302.377734] DR0: 0000000000000003 DR1: 00000000000000b0 DR2: 0000000000000001
[ 3302.384838] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[ 3302.391940] Stack:
[ 3302.393944] ffff880eba4a1dd8 ffff880eba4a1dd8 ffff880eba4a1e18 ffffffffa04d70c0
[ 3302.401350] 00000000ffffffef ffffffffa01a8000 0000000000000000 ffffffff816111c8
[ 3302.408758] ffff880eba4a1e48 ffffffffa01a80be ffff880eba4a1e48 ffffffffa04d70c0
[ 3302.416164] Call Trace:
[ 3302.418605] [<ffffffffa01a8000>] ? 0xffffffffa01a7fff
[ 3302.423727] [<ffffffffa01a80be>] dummy_init_module+0xbe/0x1000 [dummy0]
[ 3302.430405] [<ffffffffa01a8000>] ? 0xffffffffa01a7fff
[ 3302.435535] [<ffffffff81000322>] do_one_initcall+0x152/0x1b0
[ 3302.441263] [<ffffffff810ab24b>] do_init_module+0x7b/0x200
[ 3302.446824] [<ffffffff810ad3d2>] load_module+0x4e2/0x530
[ 3302.452215] [<ffffffff8127ae40>] ? ddebug_dyndbg_boot_param_cb+0x60/0x60
[ 3302.458979] [<ffffffff810ad5f1>] SyS_init_module+0xd1/0x130
[ 3302.464627] [<ffffffff814b9652>] system_call_fastpath+0x16/0x1b
[ 3302.490090] RIP [<ffffffff813fe62a>] __rtnl_link_unregister+0x9a/0xd0
[ 3302.496607] RSP <ffff880eba4a1dd8>
[ 3302.500084] CR2: 0000000000000008
[ 3302.503466] ---[ end trace 8342d49cd49f78ed ]---
The reason is that when loading dummy, if __rtnl_link_register() return failed,
the init_module should return and avoid take the wrong path.
Signed-off-by: Tan Xiaojun <tanxiaojun@huawei.com>
Signed-off-by: Ding Tianhong <dingtianhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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at803x supports Atheros 8030, 8031 and 8035 PHYs. 8031 was missing from
the mdio device id table.
Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This is a follow-up patch to 3630d40067a21d4dfbadc6002bb469ce26ac5d52
("ipv6: rt6_check_neigh should successfully verify neigh if no NUD
information are available").
Since the removal of rt->n in rt6_info we can end up with a dst ==
NULL in rt6_check_neigh. In case the kernel is not compiled with
CONFIG_IPV6_ROUTER_PREF we should also select a route with unkown
NUD state but we must not avoid doing round robin selection on routes
with the same target. So introduce and pass down a boolean ``do_rr'' to
indicate when we should update rt->rr_ptr. As soon as no route is valid
we do backtracking and do a lookup on a higher level in the fib trie.
v2:
a) Improved rt6_check_neigh logic (no need to create neighbour there)
and documented return values.
v3:
a) Introduce enum rt6_nud_state to get rid of the magic numbers
(thanks to David Miller).
b) Update and shorten commit message a bit to actualy reflect
the source.
Reported-by: Pierre Emeriaud <petrus.lt@gmail.com>
Cc: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Since commit c957d09ffda417f6c8e3d1f10e2b05228607d6d7
"bnx2x: Remove sparse and coccinelle warnings"
driver provided wrong partial csum for HW in tunneing
scenarios.
Reported-by: Eric Dumazet <eric.dumazet@gmail.com>
CC: Alexander Duyck <alexander.h.duyck@intel.com>
CC: Pravin Shelar <pshelar@nicira.com>
CC: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com>
Tested-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Move spin_lock_init to be called before the spinlocks are used, preventing a lockdep splat.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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vxlan exit module unregisters vxlan net and then it unregisters
rtnl ops which triggers vxlan_dellink() from __rtnl_kill_links().
vxlan_dellink() deletes vxlan-dev from vxlan_list which has
list-head in vxlan-net-struct but that is already gone due to
net-unregister. That is how we are getting following crash.
Following commit fixes the crash by fixing module exit path.
BUG: unable to handle kernel paging request at ffff8804102c8000
IP: [<ffffffff812cc5e9>] __list_del_entry+0x29/0xd0
PGD 2972067 PUD 83e019067 PMD 83df97067 PTE 80000004102c8060
Oops: 0000 [#1] SMP DEBUG_PAGEALLOC
Modules linked in: ---
CPU: 19 PID: 6712 Comm: rmmod Tainted: GF 3.10.0+ #95
Hardware name: Dell Inc. PowerEdge R620/0KCKR5, BIOS 1.4.8 10/25/2012
task: ffff88080c47c580 ti: ffff88080ac50000 task.ti: ffff88080ac50000
RIP: 0010:[<ffffffff812cc5e9>] [<ffffffff812cc5e9>]
__list_del_entry+0x29/0xd0
RSP: 0018:ffff88080ac51e08 EFLAGS: 00010206
RAX: ffff8804102c8000 RBX: ffff88040f0d4b10 RCX: dead000000200200
RDX: ffff8804102c8000 RSI: ffff88080ac51e58 RDI: ffff88040f0d4b10
RBP: ffff88080ac51e08 R08: 0000000000000001 R09: 2222222222222222
R10: 2222222222222222 R11: 2222222222222222 R12: ffff88080ac51e58
R13: ffffffffa07b8840 R14: ffffffff81ae48c0 R15: ffff88080ac51e58
FS: 00007f9ef105c700(0000) GS:ffff88082a800000(0000)
knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffff8804102c8000 CR3: 00000008227e5000 CR4: 00000000000407e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Stack:
ffff88080ac51e28 ffffffff812cc6a1 2222222222222222 ffff88040f0d4000
ffff88080ac51e48 ffffffffa07b3311 ffff88040f0d4000 ffffffff81ae49c8
ffff88080ac51e98 ffffffff81492fc2 ffff88080ac51e58 ffff88080ac51e58
Call Trace:
[<ffffffff812cc6a1>] list_del+0x11/0x40
[<ffffffffa07b3311>] vxlan_dellink+0x51/0x70 [vxlan]
[<ffffffff81492fc2>] __rtnl_link_unregister+0xa2/0xb0
[<ffffffff8149448e>] rtnl_link_unregister+0x1e/0x30
[<ffffffffa07b7b7c>] vxlan_cleanup_module+0x1c/0x2f [vxlan]
[<ffffffff810c9b31>] SyS_delete_module+0x1d1/0x2c0
[<ffffffff812b8a0e>] ? trace_hardirqs_on_thunk+0x3a/0x3f
[<ffffffff81582f42>] system_call_fastpath+0x16/0x1b
Code: eb 9f 55 48 8b 17 48 b9 00 01 10 00 00 00 ad de 48 8b 47 08 48 89
e5 48 39 ca 74 29 48 b9 00 02 20 00 00 00 ad de 48 39 c8 74 7a <4c> 8b
00 4c 39 c7 75 53 4c 8b 42 08 4c 39 c7 75 2b 48 89 42 08
RIP [<ffffffff812cc5e9>] __list_del_entry+0x29/0xd0
RSP <ffff88080ac51e08>
CR2: ffff8804102c8000
Signed-off-by: Pravin B Shelar <pshelar@nicira.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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p9_release_pages() would attempt to dereference one value past the end of
pages[]. This would cause the following crashes:
[ 6293.171817] BUG: unable to handle kernel paging request at ffff8807c96f3000
[ 6293.174146] IP: [<ffffffff8412793b>] p9_release_pages+0x3b/0x60
[ 6293.176447] PGD 79c5067 PUD 82c1e3067 PMD 82c197067 PTE 80000007c96f3060
[ 6293.180060] Oops: 0000 [#1] PREEMPT SMP DEBUG_PAGEALLOC
[ 6293.180060] Modules linked in:
[ 6293.180060] CPU: 62 PID: 174043 Comm: modprobe Tainted: G W 3.10.0-next-20130710-sasha #3954
[ 6293.180060] task: ffff8807b803b000 ti: ffff880787dde000 task.ti: ffff880787dde000
[ 6293.180060] RIP: 0010:[<ffffffff8412793b>] [<ffffffff8412793b>] p9_release_pages+0x3b/0x60
[ 6293.214316] RSP: 0000:ffff880787ddfc28 EFLAGS: 00010202
[ 6293.214316] RAX: 0000000000000001 RBX: ffff8807c96f2ff8 RCX: 0000000000000000
[ 6293.222017] RDX: ffff8807b803b000 RSI: 0000000000000001 RDI: ffffea001c7e3d40
[ 6293.222017] RBP: ffff880787ddfc48 R08: 0000000000000000 R09: 0000000000000000
[ 6293.222017] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000001
[ 6293.222017] R13: 0000000000000001 R14: ffff8807cc50c070 R15: ffff8807cc50c070
[ 6293.222017] FS: 00007f572641d700(0000) GS:ffff8807f3600000(0000) knlGS:0000000000000000
[ 6293.256784] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[ 6293.256784] CR2: ffff8807c96f3000 CR3: 00000007c8e81000 CR4: 00000000000006e0
[ 6293.256784] Stack:
[ 6293.256784] ffff880787ddfcc8 ffff880787ddfcc8 0000000000000000 ffff880787ddfcc8
[ 6293.256784] ffff880787ddfd48 ffffffff84128be8 ffff880700000002 0000000000000001
[ 6293.256784] ffff8807b803b000 ffff880787ddfce0 0000100000000000 0000000000000000
[ 6293.256784] Call Trace:
[ 6293.256784] [<ffffffff84128be8>] p9_virtio_zc_request+0x598/0x630
[ 6293.256784] [<ffffffff8115c610>] ? wake_up_bit+0x40/0x40
[ 6293.256784] [<ffffffff841209b1>] p9_client_zc_rpc+0x111/0x3a0
[ 6293.256784] [<ffffffff81174b78>] ? sched_clock_cpu+0x108/0x120
[ 6293.256784] [<ffffffff84122a21>] p9_client_read+0xe1/0x2c0
[ 6293.256784] [<ffffffff81708a90>] v9fs_file_read+0x90/0xc0
[ 6293.256784] [<ffffffff812bd073>] vfs_read+0xc3/0x130
[ 6293.256784] [<ffffffff811a78bd>] ? trace_hardirqs_on+0xd/0x10
[ 6293.256784] [<ffffffff812bd5a2>] SyS_read+0x62/0xa0
[ 6293.256784] [<ffffffff841a1a00>] tracesys+0xdd/0xe2
[ 6293.256784] Code: 66 90 48 89 fb 41 89 f5 48 8b 3f 48 85 ff 74 29 85 f6 74 25 45 31 e4 66 0f 1f 84 00 00 00 00 00 e8 eb 14 12 fd 41 ff c4 49 63 c4 <48> 8b 3c c3 48 85 ff 74 05 45 39 e5 75 e7 48 83 c4 08 5b 41 5c
[ 6293.256784] RIP [<ffffffff8412793b>] p9_release_pages+0x3b/0x60
[ 6293.256784] RSP <ffff880787ddfc28>
[ 6293.256784] CR2: ffff8807c96f3000
[ 6293.256784] ---[ end trace 50822ee72cd360fc ]---
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If NO_DMA=y:
drivers/built-in.o: In function `sh_eth_free_dma_buffer':
drivers/net/ethernet/renesas/sh_eth.c:1103: undefined reference to `dma_free_coherent'
drivers/net/ethernet/renesas/sh_eth.c:1110: undefined reference to `dma_free_coherent'
drivers/built-in.o: In function `sh_eth_ring_init':
drivers/net/ethernet/renesas/sh_eth.c:1065: undefined reference to `dma_alloc_coherent'
drivers/net/ethernet/renesas/sh_eth.c:1086: undefined reference to `dma_free_coherent'
drivers/built-in.o: In function `sh_eth_ring_format':
drivers/net/ethernet/renesas/sh_eth.c:988: undefined reference to `dma_map_single'
drivers/built-in.o: In function `sh_eth_txfree':
drivers/net/ethernet/renesas/sh_eth.c:1220: undefined reference to `dma_unmap_single'
drivers/built-in.o: In function `sh_eth_rx':
drivers/net/ethernet/renesas/sh_eth.c:1323: undefined reference to `dma_map_single'
drivers/built-in.o: In function `sh_eth_start_xmit':
drivers/net/ethernet/renesas/sh_eth.c:1954: undefined reference to `dma_map_single'
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We could end up expiring a route which is part of an ecmp route set. Doing
so would invalidate the rt->rt6i_nsiblings calculations and could provoke
the following panic:
[ 80.144667] ------------[ cut here ]------------
[ 80.145172] kernel BUG at net/ipv6/ip6_fib.c:733!
[ 80.145172] invalid opcode: 0000 [#1] SMP
[ 80.145172] Modules linked in: 8021q nf_conntrack_netbios_ns nf_conntrack_broadcast ipt_MASQUERADE ip6table_mangle ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 iptable_nat nf_nat_ipv4 nf_nat iptable_mangle nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack ebtable_filter ebtables ip6table_filter ip6_tables
+snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device snd_pcm snd_page_alloc snd_timer virtio_balloon snd soundcore i2c_piix4 i2c_core virtio_net virtio_blk
[ 80.145172] CPU: 1 PID: 786 Comm: ping6 Not tainted 3.10.0+ #118
[ 80.145172] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 80.145172] task: ffff880117fa0000 ti: ffff880118770000 task.ti: ffff880118770000
[ 80.145172] RIP: 0010:[<ffffffff815f3b5d>] [<ffffffff815f3b5d>] fib6_add+0x75d/0x830
[ 80.145172] RSP: 0018:ffff880118771798 EFLAGS: 00010202
[ 80.145172] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff88011350e480
[ 80.145172] RDX: ffff88011350e238 RSI: 0000000000000004 RDI: ffff88011350f738
[ 80.145172] RBP: ffff880118771848 R08: ffff880117903280 R09: 0000000000000001
[ 80.145172] R10: 0000000000000000 R11: 0000000000000000 R12: ffff88011350f680
[ 80.145172] R13: ffff880117903280 R14: ffff880118771890 R15: ffff88011350ef90
[ 80.145172] FS: 00007f02b5127740(0000) GS:ffff88011fd00000(0000) knlGS:0000000000000000
[ 80.145172] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[ 80.145172] CR2: 00007f981322a000 CR3: 00000001181b1000 CR4: 00000000000006e0
[ 80.145172] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 80.145172] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[ 80.145172] Stack:
[ 80.145172] 0000000000000001 ffff880100000000 ffff880100000000 ffff880117903280
[ 80.145172] 0000000000000000 ffff880119a4cf00 0000000000000400 00000000000007fa
[ 80.145172] 0000000000000000 0000000000000000 0000000000000000 ffff88011350f680
[ 80.145172] Call Trace:
[ 80.145172] [<ffffffff815eeceb>] ? rt6_bind_peer+0x4b/0x90
[ 80.145172] [<ffffffff815ed985>] __ip6_ins_rt+0x45/0x70
[ 80.145172] [<ffffffff815eee35>] ip6_ins_rt+0x35/0x40
[ 80.145172] [<ffffffff815ef1e4>] ip6_pol_route.isra.44+0x3a4/0x4b0
[ 80.145172] [<ffffffff815ef34a>] ip6_pol_route_output+0x2a/0x30
[ 80.145172] [<ffffffff81616077>] fib6_rule_action+0xd7/0x210
[ 80.145172] [<ffffffff815ef320>] ? ip6_pol_route_input+0x30/0x30
[ 80.145172] [<ffffffff81553026>] fib_rules_lookup+0xc6/0x140
[ 80.145172] [<ffffffff81616374>] fib6_rule_lookup+0x44/0x80
[ 80.145172] [<ffffffff815ef320>] ? ip6_pol_route_input+0x30/0x30
[ 80.145172] [<ffffffff815edea3>] ip6_route_output+0x73/0xb0
[ 80.145172] [<ffffffff815dfdf3>] ip6_dst_lookup_tail+0x2c3/0x2e0
[ 80.145172] [<ffffffff813007b1>] ? list_del+0x11/0x40
[ 80.145172] [<ffffffff81082a4c>] ? remove_wait_queue+0x3c/0x50
[ 80.145172] [<ffffffff815dfe4d>] ip6_dst_lookup_flow+0x3d/0xa0
[ 80.145172] [<ffffffff815fda77>] rawv6_sendmsg+0x267/0xc20
[ 80.145172] [<ffffffff815a8a83>] inet_sendmsg+0x63/0xb0
[ 80.145172] [<ffffffff8128eb93>] ? selinux_socket_sendmsg+0x23/0x30
[ 80.145172] [<ffffffff815218d6>] sock_sendmsg+0xa6/0xd0
[ 80.145172] [<ffffffff81524a68>] SYSC_sendto+0x128/0x180
[ 80.145172] [<ffffffff8109825c>] ? update_curr+0xec/0x170
[ 80.145172] [<ffffffff81041d09>] ? kvm_clock_get_cycles+0x9/0x10
[ 80.145172] [<ffffffff810afd1e>] ? __getnstimeofday+0x3e/0xd0
[ 80.145172] [<ffffffff8152509e>] SyS_sendto+0xe/0x10
[ 80.145172] [<ffffffff8164efd9>] system_call_fastpath+0x16/0x1b
[ 80.145172] Code: fe ff ff 41 f6 45 2a 06 0f 85 ca fe ff ff 49 8b 7e 08 4c 89 ee e8 94 ef ff ff e9 b9 fe ff ff 48 8b 82 28 05 00 00 e9 01 ff ff ff <0f> 0b 49 8b 54 24 30 0d 00 00 40 00 89 83 14 01 00 00 48 89 53
[ 80.145172] RIP [<ffffffff815f3b5d>] fib6_add+0x75d/0x830
[ 80.145172] RSP <ffff880118771798>
[ 80.387413] ---[ end trace 02f20b7a8b81ed95 ]---
[ 80.390154] Kernel panic - not syncing: Fatal exception in interrupt
Cc: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Cc: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Userspace may produce vectors greater than MAX_SKB_FRAGS. When we try to
linearize parts of the skb to let the rest of iov to be fit in
the frags, we need count copylen into linear when calling macvtap_alloc_skb()
instead of partly counting it into data_len. Since this breaks
zerocopy_sg_from_iovec() since its inner counter assumes nr_frags should
be zero at beginning. This cause nr_frags to be increased wrongly without
setting the correct frags.
This bug were introduced from b92946e2919134ebe2a4083e4302236295ea2a73
(macvtap: zerocopy: validate vectors before building skb).
Cc: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Userspace may produce vectors greater than MAX_SKB_FRAGS. When we try to
linearize parts of the skb to let the rest of iov to be fit in
the frags, we need count copylen into linear when calling tun_alloc_skb()
instead of partly counting it into data_len. Since this breaks
zerocopy_sg_from_iovec() since its inner counter assumes nr_frags should
be zero at beginning. This cause nr_frags to be increased wrongly without
setting the correct frags.
This bug were introduced from 0690899b4d4501b3505be069b9a687e68ccbe15b
(tun: experimental zero copy tx support)
Cc: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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According to the commit 16b0dc29c1af9df341428f4c49ada4f626258082
(dummy: fix rcu_sched self-detected stalls)
Eric Dumazet fix the problem in dummy, but the ifb will occur the
same problem like the dummy modules.
Trying to "modprobe ifb numifbs=30000" triggers :
INFO: rcu_sched self-detected stall on CPU
After this splat, RTNL is locked and reboot is needed.
We must call cond_resched() to avoid this, even holding RTNL.
Signed-off-by: Ding Tianhong <dingtianhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add a new chip for RTL8411 series.
Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Eliezer Tamir says:
====================
Here are three patches that complete the rename of lls to busy-poll
1. rename include/net/ll_poll.h to include/net/busy_poll.h
2. Rename ndo_ll_poll to ndo_busy_poll.
Rename sk_mark_ll to sk_mark_napi_id.
Rename skb_mark_ll to skb_mark_napi_id.
Correct all useres of these functions.
Update comments and defines in include/net/busy_poll.h
3. Rename LL_SO to BUSY_POLL_SO
Rename sysctl_net_ll_{read,poll} to sysctl_busy_{read,poll}
Fix up users of these variables.
Fix documentation for sysctl.
v2 fixed forgetting the ndo changes in v1
v3 is a resend with -M
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Rename LL_SO to BUSY_POLL_SO
Rename sysctl_net_ll_{read,poll} to sysctl_busy_{read,poll}
Fix up users of these variables.
Fix documentation for sysctl.
a patch for the socket.7 man page will follow separately,
because of limitations of my mail setup.
Signed-off-by: Eliezer Tamir <eliezer.tamir@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Rename ndo_ll_poll to ndo_busy_poll.
Rename sk_mark_ll to sk_mark_napi_id.
Rename skb_mark_ll to skb_mark_napi_id.
Correct all useres of these functions.
Update comments and defines in include/net/busy_poll.h
Signed-off-by: Eliezer Tamir <eliezer.tamir@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Rename the file and correct all the places where it is included.
Signed-off-by: Eliezer Tamir <eliezer.tamir@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc
Pull MMC updates from Chris Ball:
"MMC highlights for 3.11:
Core:
- Add support for eMMC 5.1 devices
- Add MMC_CAP_AGGRESSIVE_PM capability for aggressive power
management of eMMC/SD between requests, using runtime PM
- Add an ioctl to perform the eMMC 4.5 Sanitize command. Sample code
at:
git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc-utils.git
Drivers:
- dw_mmc: Add support for Rockchip's Cortex-A9 SoCs
- dw_mmc: Add support for Altera SoCFPGAs
- sdhci-esdhc-imx: Add support for 8-bit bus width, non-removable
cards
- sdhci-bcm-kona: New driver for Broadcom Kona (281xx) SoCs
- sdhi/tmio: Add DT DMA support"
* tag 'mmc-updates-for-3.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc: (87 commits)
mmc: bcm281xx SDHCI driver
mmc: sdhci: add card_event callback to sdhci
mmc: core: Fixup Oops for SDIO shutdown
mmc: sdhci-pci: add another device id
mmc: esdhc: Fix bug when writing to SDHCI_HOST_CONTROL register
mmc: esdhc: Add support for 8-bit bus width and non-removable card
mmc: core: production year for eMMC 4.41 and later
mmc: omap: remove unnecessary #if 0's
mmc: sdhci: fix ctrl_2 on super-speed selection
mmc: dw_mmc-pltfm: add Rockchip variant
mmc: dw_mmc-pltfm: move probe and remove below dt match table
mmc: dw_mmc-pltfm: remove static from dw_mci_pltfm_remove
mmc: sdhci-acpi: add support for eMMC hardware reset for HID 80860F14
mmc: sdhci-pci: add support for eMMC hardware reset for BYT eMMC.
mmc: dw_mmc: Add support DW SD/MMC driver on SOCFPGA
mmc: sdhci: fix caps2 for HS200
sdhci-pxav3: Fix runtime PM initialization
mmc: core: Add DT-bindings for MMC_CAP2_FULL_PWR_CYCLE
mmc: core: Invent MMC_CAP2_FULL_PWR_CYCLE
mmc: core: Enable power_off_notify for eMMC shutdown sequence
...
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Pull pwm changes from Thierry Reding:
"A new driver supports driving PWM signals using the TPU unit found on
various Renesas SoCs. Furthermore support is added for the NXP
PCA9685 LED controller. Another big chunk is the sysfs interface
which has been in the works for quite some time.
The remaining patches are a random assortment of cleanups and fixes"
* tag 'for-3.11-rc1' of git://gitorious.org/linux-pwm/linux-pwm:
pwm: pwm-tiehrpwm: Use clk_enable/disable instead clk_prepare/unprepare.
pwm: pca9685: Fix wrong argument to set MODE1_SLEEP bit
pwm: renesas-tpu: Add MODULE_ALIAS to make module auto loading work
pwm: renesas-tpu: fix return value check in tpu_probe()
pwm: Add Renesas TPU PWM driver
pwm: Add sysfs interface
pwm: Fill in missing .owner fields
pwm: add pca9685 driver
pwm: atmel-tcb: prepare clk before calling enable
pwm: devm: alloc correct pointer size
pwm: mxs: Let device core handle pinctrl
MAINTAINERS: Update PWM subsystem entry
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Pull battery subsystem update from Anton Vorontsov:
"Nothing exciting this time, just assorted fixes and cleanups"
* tag 'for-v3.11' of git://git.infradead.org/battery-2.6: (25 commits)
charger-manager: Fix regulator_get() return check
charger-manager: Fix a bug when it unregisters notifier block of extcon
tps65090-charger: Add dt node to power_supply
sbs-battery: Add dt to power_supply struct
power_supply: Add of_node_put to fix refcount
power_supply: Move of_node out of the #ifdef CONFIG_OF
power/reset: Make the vexpress driver optional on arm and arm64
charger-manager: Add missing newlines, fix a couple of typos, add pr_fmt
tps65090-charger: Fix AC detect
MAINTAINERS: Update email address for Anton Vorontsov
charger-manager: Ensure event is not used as format string
power_supply: Replace strict_strtoul() with kstrtoul()
generic-adc-battery: Fix checking if none of the channels are supported
power: Use platform_{get,set}_drvdata()
pm2301_charger: Return error if create_singlethread_workqueue fails
pm2301_charger: Fix NULL pointer dereference
lp8727_charger: Support the device tree feature
twl4030_charger: Remove unnecessary platform_set_drvdata()
rx51_battery: Remove unnecessary platform_set_drvdata()
jz4740-battery: Remove unnecessary platform_set_drvdata()
...
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git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-next
Pull MFD update from Samuel Ortiz:
"For the 3.11 merge we only have one new MFD driver for the Kontron
PLD.
But we also have:
- Support for the TPS659038 PMIC from the palmas driver.
- Intel's Coleto Creek and Avoton SoCs support from the lpc_ich
driver.
- RTL8411B support from the rtsx driver.
- More DT support for the Arizona, max8998, twl4030-power and the
ti_am335x_tsadc drivers.
- The SSBI driver move under MFD.
- A conversion to the devm_* API for most of the MFD drivers.
- The twl4030-power got split from twl-core into its own module.
- A major ti_am335x_adc cleanup, leading to a proper DT support.
- Our regular arizona and wm* updates and cleanups from the Wolfson
folks.
- A better error handling and initialization, and a regulator
subdevice addition for the 88pm80x driver.
- A bulk platform_set_drvdata() call removal that's no longer need
since commit 0998d0631001 ("device-core: Ensure drvdata = NULL when
no driver is bound")
* tag 'mfd-3.11-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-next: (102 commits)
mfd: sec: Provide max_register to regmap
mfd: wm8994: Remove duplicate check for active JACKDET
MAINTAINERS: Add include directory to MFD file patterns
mfd: sec: Remove fields not used since regmap conversion
watchdog: Kontron PLD watchdog timer driver
mfd: max8998: Add support for Device Tree
regulator: max8998: Use arrays for specifying voltages in platform data
mfd: max8998: Add irq domain support
regulator: palmas: Add TPS659038 support
mfd: Kontron PLD mfd driver
mfd: palmas: Add TPS659038 PMIC support
mfd: palmas: Add SMPS10_BOOST feature
mfd: palmas: Check if irq is valid
mfd: lpc_ich: iTCO_wdt patch for Intel Coleto Creek DeviceIDs
mfd: twl-core: Change TWL6025 references to TWL6032
mfd: davinci_voicecodec: Fix build breakage
mfd: vexpress: Make the driver optional for arm and arm64
mfd: htc-egpio: Use devm_ioremap_nocache() instead of ioremap_nocache()
mfd: davinci_voicecodec: Convert to use devm_* APIs
mfd: twl4030-power: Fix relocking on error
...
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git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging
Pull hwmon update from Jean Delvare.
* 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging:
hwmon: (lm63) Drop redundant safety on cache lifetime
hwmon: (lm90) Drop redundant safety on cache lifetime
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator fixes from Mark Brown:
"Fixes for the merge window
A set of small fixes for issues noticed during the merge window, all
very much non-invasive"
* tag 'regulator-v3.11-2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
MAINTAINERS: Update git repository
regulator: max8997: Fix a trivial typo in documentation
regulator: s5m8767: Fix a trivial typo in documentation
regulator: s2mps11: Convert ramp rate to uV/us and set default ramp rate
regulator: s5m8767: Update s5m8767-regulator bindings document
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git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394
Pull firewire updates from Stefan Richter:
"Make struct ieee1394_device_id.driver_data actually avaliable to 1394
protocol drivers. This is especially useful to 1394 audio drivers for
model-specific parameters and methods"
* tag 'firewire-updates' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394:
firewire: remove support of fw_driver.driver.probe and .remove methods
firewire: introduce fw_driver.probe and .remove methods
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fix from Ingo Molnar:
"irq-tracing fixlet"
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/tracing: Add irq_enter/exit() in smp_trace_reschedule_interrupt()
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Pull microblaze update from Michal Simek:
"This Microblaze merge window is quite minimal.
I have also added to my branch one xilinx systemace sparse fix because
haven't got any reply from block maintainer."
* 'next' of git://git.monstr.eu/linux-2.6-microblaze:
xilinx systemace: Fix sparse warnings
microblaze: Move __NR_syscalls from uapi
microblaze: Enable KGDB in defconfig
microblaze: Don't mark arch_kgdb_ops as const.
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git://git.kernel.org/pub/scm/linux/kernel/git/jhogan/metag
Pull arch/metag fixes from James Hogan:
"This is just a single fix to fix bad UDP checksums sometimes being
generated to IP addresses *.*.255.255"
* tag 'metag-fixes-for-v3.11-1' of git://git.kernel.org/pub/scm/linux/kernel/git/jhogan/metag:
metag: checksum.h: fix carry in csum_tcpudp_nofold
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git://git.kernel.org/pub/scm/linux/kernel/git/realmz6/blackfin-linux
Pull blackfin updates from Steven Miao:
"blackfin updates for Linux 3.11"
* tag 'blackfin-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/realmz6/blackfin-linux:
smp: refine bf561 smpboot code
bf609: stmmac: fix build after stmmac_mdio_bus_data changed
bf609: add cpu revision 0.1
bf609: rename bfin6xx_spi to bfin_spi3
kgdb: blackfin: include irq_regs.h in kgdb.c
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git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc
Pull second set of ARC architecture updates from Vineet Gupta:
"Couple of Platform updates (Device Tree files primarily) given that
the corresponding drivers (net/ethernet/arc/*, irqctl/irq-tb10x.c)
have now been merged into your tree.
Ideally these shd have been part of same submissions, oh well..."
* tag 'arc-v3.11-rc1-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc:
ARC: [TB10x] Updates for irqchip driver
ARC: [plat-arcfpga] Enable arc_emac for ARCAngle4 Board
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git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux
Pull parisc updates from Helge Deller:
"The PA-RISC updates for v3.11 include a gcc miscompilation fix,
gzip-compressed vmlinuz support, a fix in the PCI code for ATI FireGL
support on c8000 machines, a fix to prevent that %sr1 is being
clobbered and a few smaller optimizations and documentation updates"
* 'parisc-for-3.11' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
parisc: Fix gcc miscompilation in pa_memcpy()
parisc: Ensure volatile space register %sr1 is not clobbered
parisc: optimize mtsp(0,sr) inline assembly
parisc: switch to gzip-compressed vmlinuz kernel
parisc: document the shadow registers
parisc: more capabilities info in /proc/cpuinfo
parisc: fix LMMIO mismatch between PAT length and MASK register
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git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux
P{ill ia64 warning fix from Tony Luck:
"Add some casts to avoid warnings from efi_runtime_services_t members"
* tag 'please-pull-fix-ia64-warnings' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux:
[IA64] sim: Add casts to avoid assignment warnings
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Fix sysace sparse warnings.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
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The reason is that other applications like strace
think that every __NR_xx is syscall.
Also __NR_syscalls is not used by user applications/libs.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
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