Fengguang reported a kernel build failure as following:
drivers/built-in.o: In function `pch_gbe_ioctl':
pch_gbe_main.c:(.text+0x510370): undefined reference to `pch_ch_control_write'
pch_gbe_main.c:(.text+0x510393): undefined reference to `pch_ch_control_write'
pch_gbe_main.c:(.text+0x5103b3): undefined reference to `pch_ch_control_write'
...
It's a regression by commit da1586461. The root cause is that
the CONFIG_PPS is not set there, consequently CONFIG_PTP_1588_CLOCK
can not be set anyway, which finally causes ptp_pch and pch_gbe_main
build failures.
As David prefers to use *select* to fix such module co-dependency issues,
this patch explicitly selects all the possible dependencies of PCH_PTP.
Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Reviewed-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Haicheng Li <haicheng.lee@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Pulled mainline in order to get the UAPI infrastructure already
merged before I pull in David Howells's UAPI trees for networking.
Signed-off-by: David S. Miller <davem@davemloft.net>
i218 is the next-generation LOM that will be available on systems with the
Lynx Point LP Platform Controller Hub (PCH) chipset from Intel. This patch
provides the initial support of those devices.
Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This change limits the PF/VF driver to 9.5K max jumbo frame size in order
prevent a possible Tx hang in the adapter when sending frames between
pools.
All of the parts in ixgbe support a maximum frame of 15.5K for standard
traffic, however with SR-IOV or DCB enabled they should be limiting the
MTU size to 9.5K. Instead of adding extra checks which would have to
change the MTU when we go into or out of these modes it is preferred to
just use a standard 9.5K MTU limit for all modes so that this extra
overhead can be avoided.
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Tested-by: Sibai Li <sibai.li@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
The driver was not setting the number of real Tx queues in the net_device
structure. This caused some serious issues such as Tx hangs and extremely
poor performance with some usages of the driver.
The issue is best observed by running:
iperf -c <host> -P <n>
Where n is greater than one. The greater the value of n the more likely
the problem is to show up.
Signed-off-by: Greg Rose <gregory.v.rose@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Pull MIPS update from Ralf Baechle:
"This is the MIPS update for 3.7.
A fair chunk of them are platform updates to the Cavium Octeon SOC
(which involves machine generated header files of considerable size),
Atheros ATH79xx, RMI aka Netlogic aka Broadcom XLP, Broadcom BCM63xx
platforms.
Support for the commercial MIPS simulator MIPSsim has been removed as
MIPS Technologies is shifting away from this product and Qemu is
offering various more powerful platforms. The generic MIPS code can
now also probe for no-execute / write-only TLB features implemented
without the full SmartMIPS extension as permitted by the latest MIPS
processor architecture. Lots of small changes to generic code."
* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus: (78 commits)
MIPS: ath79: Fix CPU/DDR frequency calculation for SRIF PLLs
MIPS: ath79: use correct fractional dividers for {CPU,DDR}_PLL on AR934x
MIPS: BCM63XX: Properly handle mac address octet overflow
MIPS: Kconfig: Avoid build errors by hiding USE_OF from the user.
MIPS: Replace `-' in defconfig filename wth `_' for consistency.
MIPS: Wire kcmp syscall.
MIPS: MIPSsim: Remove the MIPSsim platform.
MIPS: NOTIFY_RESUME is not needed in TIF masks
MIPS: Merge the identical "return from syscall" per-ABI code
MIPS: Unobfuscate _TIF..._MASK
MIPS: Prevent hitting do_notify_resume() with !user_mode(regs).
MIPS: Replace 'kernel_uses_smartmips_rixi' with 'cpu_has_rixi'.
MIPS: Add base architecture support for RI and XI.
MIPS: Optimise TLB handlers for MIPS32/64 R2 cores.
MIPS: uasm: Add INS and EXT instructions.
MIPS: Avoid pipeline stalls on some MIPS32R2 cores.
MIPS: Make VPE count to be one-based.
MIPS: Add new end of interrupt functionality for GIC.
MIPS: Add EIC support for GIC.
MIPS: Code clean-ups for the GIC.
...
The following patch:
acb600d net: remove skb recycling
added dev_free_skb() to drivers/net/ethernet/freescale/ucc_geth.c
This is a typo and should be dev_kfree_skb(). This fixes this.
Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Fix a couple harmless sparse warnings reported by Fengguang Wu.
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Current GRO can hold packets in gro_list for almost unlimited
time, in case napi->poll() handler consumes its budget over and over.
In this case, napi_complete()/napi_gro_flush() are not called.
Another problem is that gro_list is flushed in non friendly way :
We scan the list and complete packets in the reverse order.
(youngest packets first, oldest packets last)
This defeats priorities that sender could have cooked.
Since GRO currently only store TCP packets, we dont really notice the
bug because of retransmits, but this behavior can add unexpected
latencies, particularly on mice flows clamped by elephant flows.
This patch makes sure no packet can stay more than 1 ms in queue, and
only in stress situations.
It also complete packets in the right order to minimize latencies.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: Jesse Gross <jesse@nicira.com>
Cc: Tom Herbert <therbert@google.com>
Cc: Yuchung Cheng <ycheng@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Marvell 88E8001 on an ASUS P5NSLI motherboard is unable to send/receive
packets on a system with >4gb ram unless a 32bit DMA mask is used.
This issue has been around for years and a fix was sent 3.5 years ago, but
there was some debate as to whether it should instead be fixed as a PCI quirk.
http://www.spinics.net/lists/netdev/msg88670.html
However, 18 months later a similar workaround was introduced for another
chipset exhibiting the same problem.
http://www.spinics.net/lists/netdev/msg142287.html
Signed-off-by: Graham Gower <graham.gower@gmail.com>
Signed-off-by: Jan Ceuleers <jan.ceuleers@computer.org>
Acked-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch fixes type assignment issues, function definition and symbol
shadowing which triggered sparse warnings.
Signed-off-by: Jay Hernandez <jay@chelsio.com>
Signed-off-by: Vipul Pandya <vipul@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Using list_move() instead of list_del() + list_add().
dpatch engine is used to auto generate this patch.
(https://github.com/weiyj/dpatch)
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
Remove including <linux/version.h> that don't need it.
dpatch engine is used to auto generate this patch.
(https://github.com/weiyj/dpatch)
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
The function sky2_probe() return 0 for success and negative value
for most of its internal tests failures. There are two exceptions
that are error cases going to err_out*:. For this two cases, the
function abort its success execution path, but returns non negative
value, making it dificult for a caller function to notice the error.
This patch fixes the error cases that do not return negative values.
This was found by Coccinelle, but the code change was made by hand.
This patch is not robot generated.
A simplified version of the semantic match that finds this problem is
as follows: (http://coccinelle.lip6.fr/)
// <smpl>
(
if@p1 (\(ret < 0\|ret != 0\))
{ ... return ret; }
|
ret@p1 = 0
)
... when != ret = e1
when != &ret
*if(...)
{
... when != ret = e2
when forall
return ret;
}
// </smpl>
Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The function skge_probe() return 0 for success and negative value
for most of its internal tests failures. There is one exception
that is error case going to err_out_led_off:. For this error case, the
function abort its success execution path, but returns non negative
value, making it difficult for a caller function to notice the error.
This patch fixes the error case that do not return negative value.
This was found by Coccinelle, but the code change was made by hand.
This patch is not robot generated.
A simplified version of the semantic match that finds this problem is
as follows: (http://coccinelle.lip6.fr/)
// <smpl>
(
if@p1 (\(ret < 0\|ret != 0\))
{ ... return ret; }
|
ret@p1 = 0
)
... when != ret = e1
when != &ret
*if(...)
{
... when != ret = e2
when forall
return ret;
}
// </smpl>
Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The function gem_init_one() return 0 for success and negative value
for most of its internal tests failures. There is one exception
that is error case going to err_out_free_consistent:. For this error
case, the function abort its success execution path, but returns non
negative value, making it difficult for a caller function to notice
the error.
This patch fixes the error case that do not return negative value.
This was found by Coccinelle, but the code change was made by hand.
This patch is not robot generated.
A simplified version of the semantic match that finds this problem is
as follows: (http://coccinelle.lip6.fr/)
// <smpl>
(
if@p1 (\(ret < 0\|ret != 0\))
{ ... return ret; }
|
ret@p1 = 0
)
... when != ret = e1
when != &ret
*if(...)
{
... when != ret = e2
when forall
return ret;
}
// </smpl>
Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The function niu_pci_init_one() return 0 for success and negative value
for most of its internal tests failures. There is one exception
that is error case going to err_out_free_res:. For this error case, the
function abort its success execution path, but returns non negative
value, making it difficult for a caller function to notice the error.
This patch fixes the error case that do not return negative value.
This was found by Coccinelle, but the code change was made by hand.
This patch is not robot generated.
A simplified version of the semantic match that finds this problem is
as follows: (http://coccinelle.lip6.fr/)
// <smpl>
(
if@p1 (\(ret < 0\|ret != 0\))
{ ... return ret; }
|
ret@p1 = 0
)
... when != ret = e1
when != &ret
*if(...)
{
... when != ret = e2
when forall
return ret;
}
// </smpl>
Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The function sh_eth_drv_probe() return 0 for success and negative value
for most of its internal tests failures. There is one exception
that is error case going to out_release:. For this error case, the
function abort its success execution path, but returns non negative
value, making it difficult for a caller function to notice the error.
This patch fixes the error case that do not return negative value.
This was found by Coccinelle, but the code change was made by hand.
This patch is not robot generated.
A simplified version of the semantic match that finds this problem is
as follows: (http://coccinelle.lip6.fr/)
// <smpl>
(
if@p1 (\(ret < 0\|ret != 0\))
{ ... return ret; }
|
ret@p1 = 0
)
... when != ret = e1
when != &ret
*if(...)
{
... when != ret = e2
when forall
return ret;
}
// </smpl>
Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The function sonic_probe1() return 0 for success and negative value
for most of its internal tests failures. There is one exception
that is error case going to out:. For this error case, the
function abort its success execution path, but returns non negative
value, making it difficult for a caller function to notice the error.
This patch fixes the error case that do not return negative value.
This was found by Coccinelle, but the code change was made by hand.
This patch is not robot generated.
A simplified version of the semantic match that finds this problem is
as follows: (http://coccinelle.lip6.fr/)
// <smpl>
(
if@p1 (\(ret < 0\|ret != 0\))
{ ... return ret; }
|
ret@p1 = 0
)
... when != ret = e1
when != &ret
*if(...)
{
... when != ret = e2
when forall
return ret;
}
// </smpl>
Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The function au1000_probe() return 0 for success and negative value
for most of its internal tests failures. There are exceptions
that are error cases going to err_out:. For this cases, the
function abort its success execution path, but returns non negative
value, making it dificult for a caller function to notice the error.
This patch fixes the error cases that do not return negative values.
This was found by Coccinelle, but the code change was made by hand.
This patch is not robot generated.
A simplified version of the semantic match that finds this problem is
as follows: (http://coccinelle.lip6.fr/)
// <smpl>
(
if@p1 (\(ret < 0\|ret != 0\))
{ ... return ret; }
|
ret@p1 = 0
)
... when != ret = e1
when != &ret
*if(...)
{
... when != ret = e2
when forall
return ret;
}
// </smpl>
Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The function amd8111e_probe_one() return 0 for success and negative
value for most of its internal tests failures. There are two exceptions
that are error cases going to err_free_reg:. For this two cases, the
function abort its success execution path, but returns non negative
value, making it dificult for a caller function to notice the error.
This patch fixes the error cases that do not return negative values.
This was found by Coccinelle, but the code change was made by hand.
This patch is not robot generated.
A simplified version of the semantic match that finds this problem is
as follows: (http://coccinelle.lip6.fr/)
// <smpl>
(
if@p1 (\(ret < 0\|ret != 0\))
{ ... return ret; }
|
ret@p1 = 0
)
... when != ret = e1
when != &ret
*if(...)
{
... when != ret = e2
when forall
return ret;
}
// </smpl>
Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The function qlcnic_probe() return 0 for success and negative value
for most of its internal tests failures. There is one exception
that is error case going to err_out_free_netdev:. For this error case,
the function abort its success execution path, but returns non negative
value, making it difficult for a caller function to notice the error.
This patch fixes the error case that do not return negative value.
This was found by Coccinelle, but the code change was made by hand.
This patch is not robot generated.
A simplified version of the semantic match that finds this problem is
as follows: (http://coccinelle.lip6.fr/)
// <smpl>
(
if@p1 (\(ret < 0\|ret != 0\))
{ ... return ret; }
|
ret@p1 = 0
)
... when != ret = e1
when != &ret
*if(...)
{
... when != ret = e2
when forall
return ret;
}
// </smpl>
Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The function sh_sir_probe() return 0 for success and negative value
for most of its internal tests failures. There are two exceptions
that are error cases going to err_mem_*:. For this two cases, the
function abort its success execution path, but returns non negative
value, making it dificult for a caller function to notice the error.
This patch fixes the error cases that do not return negative values.
This was found by Coccinelle, but the code change was made by hand.
This patch is not robot generated.
A simplified version of the semantic match that finds this problem is
as follows: (http://coccinelle.lip6.fr/)
// <smpl>
(
if@p1 (\(ret < 0\|ret != 0\))
{ ... return ret; }
|
ret@p1 = 0
)
... when != ret = e1
when != &ret
*if(...)
{
... when != ret = e2
when forall
return ret;
}
// </smpl>
Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The function sh_irda_probe() return 0 for success and negative value
for most of its internal tests failures. There is one exception
that is error case going to err_mem_4:. For this error case, the
function abort its success execution path, but returns non negative
value, making it difficult for a caller function to notice the error.
This patch fixes the error case that do not return negative value.
This was found by Coccinelle, but the code change was made by hand.
This patch is not robot generated.
A simplified version of the semantic match that finds this problem is
as follows: (http://coccinelle.lip6.fr/)
// <smpl>
(
if@p1 (\(ret < 0\|ret != 0\))
{ ... return ret; }
|
ret@p1 = 0
)
... when != ret = e1
when != &ret
*if(...)
{
... when != ret = e2
when forall
return ret;
}
// </smpl>
Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The function sa1100_irda_probe() return 0 for success and negative
value for most of its internal tests failures. There is one exception
that is error case going to err_mem_4:. For this error case, the
function abort its success execution path, but returns non negative
value, making it difficult for a caller function to notice the error.
This patch fixes the error case that do not return negative value.
This was found by Coccinelle, but the code change was made by hand.
This patch is not robot generated.
A simplified version of the semantic match that finds this problem is
as follows: (http://coccinelle.lip6.fr/)
// <smpl>
(
if@p1 (\(ret < 0\|ret != 0\))
{ ... return ret; }
|
ret@p1 = 0
)
... when != ret = e1
when != &ret
*if(...)
{
... when != ret = e2
when forall
return ret;
}
// </smpl>
Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The function pxa_irda_probe() return 0 for success and negative value
for most of its internal tests failures. There is one exception
that is error case going to err_mem_3:. For this error case, the
function abort its success execution path, but returns non negative
value, making it difficult for a caller function to notice the error.
This patch fixes the error case that do not return negative value.
This was found by Coccinelle, but the code change was made by hand.
This patch is not robot generated.
A simplified version of the semantic match that finds this problem is
as follows: (http://coccinelle.lip6.fr/)
// <smpl>
(
if@p1 (\(ret < 0\|ret != 0\))
{ ... return ret; }
|
ret@p1 = 0
)
... when != ret = e1
when != &ret
*if(...)
{
... when != ret = e2
when forall
return ret;
}
// </smpl>
Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The function mcs_probe() return 0 for success and negative value
for most of its internal tests failures. There is one exception
that is error case going to error2:. For this error case, the
function abort its success execution path, but returns non negative
value, making it difficult for a caller function to notice the error.
This patch fixes the error case that do not return negative value.
A simplified version of the semantic match that finds this problem is
as follows: (http://coccinelle.lip6.fr/)
// <smpl>
(
if@p1 (\(ret < 0\|ret != 0\))
{ ... return ret; }
|
ret@p1 = 0
)
... when != ret = e1
when != &ret
*if(...)
{
... when != ret = e2
when forall
return ret;
}
// </smpl>
Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The function irtty_open() return 0 for success and negative value
for most of its internal tests failures. There is one exception
that is error case going to out_put:. For this error case, the
function abort its success execution path, but returns non negative
value, making it difficult for a caller function to notice the error.
This patch fixes the error case that do not return negative value.
This was found by Coccinelle, but the code change was made by hand.
This patch is not robot generated.
A simplified version of the semantic match that finds this problem is
as follows: (http://coccinelle.lip6.fr/)
// <smpl>
(
if@p1 (\(ret < 0\|ret != 0\))
{ ... return ret; }
|
ret@p1 = 0
)
... when != ret = e1
when != &ret
*if(...)
{
... when != ret = e2
when forall
return ret;
}
// </smpl>
Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The function sis900_probe() return 0 for success and negative value
for most of its internal tests failures. There is one exception
that is error case going to err_out_cleardev:. Fore this error case,
the function abort its success execution path, but returns non negative
value, making it difficult for a caller function to notice the error.
This patch fixes the error case that do not return negative value.
This was found by Coccinelle, but the code change was made by hand.
This patch is not robot generated.
A simplified version of the semantic match that finds this problem is
as follows: (http://coccinelle.lip6.fr/)
// <smpl>
(
if@p1 (\(ret < 0\|ret != 0\))
{ ... return ret; }
|
ret@p1 = 0
)
... when != ret = e1
when != &ret
*if(...)
{
... when != ret = e2
when forall
return ret;
}
// </smpl>
Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The function natsemi_probe1() return 0 for success and negative value
for most of its internal tests failures. There is one exception
that is error case going to err_create_file:. Fore this error case the
function abort its success execution path, but returns non negative value,
making it difficult for a caller function to notice the error.
This patch fixes the error case that do not return negative value.
This was found by Coccinelle, but the code change was made by hand.
This patch is not robot generated.
A simplified version of the semantic match that finds this problem is
as follows: (http://coccinelle.lip6.fr/)
// <smpl>
(
if@p1 (\(ret < 0\|ret != 0\))
{ ... return ret; }
|
ret@p1 = 0
)
... when != ret = e1
when != &ret
*if(...)
{
... when != ret = e2
when forall
return ret;
}
// </smpl>
Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
Acked-by: Francois Romieu <romieu@fr.zoreil.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The function dmfe_init_one() return 0 for success and negative value
for most of its internal tests failures. There are three exceptions
that are error cases going to err_out_*:. Fore this three cases the
function abort its success execution path, but returns non negative
value, making it dificult for a caller function to notice the error.
This patch fixes the error cases that do not return negative values.
This was found by Coccinelle, but the code change was made by hand.
This patch is not robot generated.
A simplified version of the semantic match that finds this problem is
as follows: (http://coccinelle.lip6.fr/)
// <smpl>
(
if@p1 (\(ret < 0\|ret != 0\))
{ ... return ret; }
|
ret@p1 = 0
)
... when != ret = e1
when != &ret
*if(...)
{
... when != ret = e2
when forall
return ret;
}
// </smpl>
Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
- Late-breaking fix for IPoIB on mlx4 SR-IOV VFs.
- Fix for IPoIB build breakage with CONFIG_INFINIBAND_IPOIB_CM=n
(new netlink config changes are to blame).
- Make sure retry count values are in range in RDMA CM.
- A few nes hardware driver fixes and cleanups.
- Have iSER initiator use >1 interrupt vectors if available.
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Merge tag 'rdma-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband
Pull infiniband changes from Roland Dreier:
"Second batch of changes for the 3.7 merge window:
- Late-breaking fix for IPoIB on mlx4 SR-IOV VFs.
- Fix for IPoIB build breakage with CONFIG_INFINIBAND_IPOIB_CM=n (new
netlink config changes are to blame).
- Make sure retry count values are in range in RDMA CM.
- A few nes hardware driver fixes and cleanups.
- Have iSER initiator use >1 interrupt vectors if available."
* tag 'rdma-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband:
RDMA/cma: Check that retry count values are in range
IB/iser: Add more RX CQs to scale out processing of SCSI responses
RDMA/nes: Bump the version number of nes driver
RDMA/nes: Remove unused module parameter "send_first"
RDMA/nes: Remove unnecessary if-else statement
RDMA/nes: Add missing break to switch.
mlx4_core: Adjust flow steering attach wrapper so that IB works on SR-IOV VFs
IPoIB: Fix build with CONFIG_INFINIBAND_IPOIB_CM=n
Over time, skb recycling infrastructure got litle interest and
many bugs. Generic rx path skb allocation is now using page
fragments for efficient GRO / TCP coalescing, and recyling
a tx skb for rx path is not worth the pain.
Last identified bug is that fat skbs can be recycled
and it can endup using high order pages after few iterations.
With help from Maxime Bizon, who pointed out that commit
87151b8689 (net: allow pskb_expand_head() to get maximum tailroom)
introduced this regression for recycled skbs.
Instead of fixing this bug, lets remove skb recycling.
Drivers wanting really hot skbs should use build_skb() anyway,
to allocate/populate sk_buff right before netif_receive_skb()
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Maxime Bizon <mbizon@freebox.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
* Allow a Linux guest to boot as initial domain and as normal guests
on Xen on ARM (specifically ARMv7 with virtualized extensions).
PV console, block and network frontend/backends are working.
Bug-fixes:
* Fix compile linux-next fallout.
* Fix PVHVM bootup crashing.
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Merge tag 'stable/for-linus-3.7-arm-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen
Pull ADM Xen support from Konrad Rzeszutek Wilk:
Features:
* Allow a Linux guest to boot as initial domain and as normal guests
on Xen on ARM (specifically ARMv7 with virtualized extensions). PV
console, block and network frontend/backends are working.
Bug-fixes:
* Fix compile linux-next fallout.
* Fix PVHVM bootup crashing.
The Xen-unstable hypervisor (so will be 4.3 in a ~6 months), supports
ARMv7 platforms.
The goal in implementing this architecture is to exploit the hardware
as much as possible. That means use as little as possible of PV
operations (so no PV MMU) - and use existing PV drivers for I/Os
(network, block, console, etc). This is similar to how PVHVM guests
operate in X86 platform nowadays - except that on ARM there is no need
for QEMU. The end result is that we share a lot of the generic Xen
drivers and infrastructure.
Details on how to compile/boot/etc are available at this Wiki:
http://wiki.xen.org/wiki/Xen_ARMv7_with_Virtualization_Extensions
and this blog has links to a technical discussion/presentations on the
overall architecture:
http://blog.xen.org/index.php/2012/09/21/xensummit-sessions-new-pvh-virtualisation-mode-for-arm-cortex-a15arm-servers-and-x86/
* tag 'stable/for-linus-3.7-arm-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen: (21 commits)
xen/xen_initial_domain: check that xen_start_info is initialized
xen: mark xen_init_IRQ __init
xen/Makefile: fix dom-y build
arm: introduce a DTS for Xen unprivileged virtual machines
MAINTAINERS: add myself as Xen ARM maintainer
xen/arm: compile netback
xen/arm: compile blkfront and blkback
xen/arm: implement alloc/free_xenballooned_pages with alloc_pages/kfree
xen/arm: receive Xen events on ARM
xen/arm: initialize grant_table on ARM
xen/arm: get privilege status
xen/arm: introduce CONFIG_XEN on ARM
xen: do not compile manage, balloon, pci, acpi, pcpu and cpu_hotplug on ARM
xen/arm: Introduce xen_ulong_t for unsigned long
xen/arm: Xen detection and shared_info page mapping
docs: Xen ARM DT bindings
xen/arm: empty implementation of grant_table arch specific functions
xen/arm: sync_bitops
xen/arm: page.h definitions
xen/arm: hypercalls
...
Pull powerpc updates from Benjamin Herrenschmidt:
"Some highlights in addition to the usual batch of fixes:
- 64TB address space support for 64-bit processes by Aneesh Kumar
- Gavin Shan did a major cleanup & re-organization of our EEH support
code (IBM fancy PCI error handling & recovery infrastructure) which
paves the way for supporting different platform backends, along
with some rework of the PCIe code for the PowerNV platform in order
to remove home made resource allocations and instead use the
generic code (which is possible after some small improvements to it
done by Gavin).
- Uprobes support by Ananth N Mavinakayanahalli
- A pile of embedded updates from Freescale folks, including new SoC
and board supports, more KVM stuff including preparing for 64-bit
BookE KVM support, ePAPR 1.1 updates, etc..."
Fixup trivial conflicts in drivers/scsi/ipr.c
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: (146 commits)
powerpc/iommu: Fix multiple issues with IOMMU pools code
powerpc: Fix VMX fix for memcpy case
driver/mtd:IFC NAND:Initialise internal SRAM before any write
powerpc/fsl-pci: use 'Header Type' to identify PCIE mode
powerpc/eeh: Don't release eeh_mutex in eeh_phb_pe_get
powerpc: Remove tlb batching hack for nighthawk
powerpc: Set paca->data_offset = 0 for boot cpu
powerpc/perf: Sample only if SIAR-Valid bit is set in P7+
powerpc/fsl-pci: fix warning when CONFIG_SWIOTLB is disabled
powerpc/mpc85xx: Update interrupt handling for IFC controller
powerpc/85xx: Enable USB support in p1023rds_defconfig
powerpc/smp: Do not disable IPI interrupts during suspend
powerpc/eeh: Fix crash on converting OF node to edev
powerpc/eeh: Lock module while handling EEH event
powerpc/kprobe: Don't emulate store when kprobe stwu r1
powerpc/kprobe: Complete kprobe and migrate exception frame
powerpc/kprobe: Introduce a new thread flag
powerpc: Remove unused __get_user64() and __put_user64()
powerpc/eeh: Global mutex to protect PE tree
powerpc/eeh: Remove EEH PE for normal PCI hotplug
...
Pull networking changes from David Miller:
"The most important bit in here is the fix for input route caching from
Eric Dumazet, it's a shame we couldn't fully analyze this in time for
3.6 as it's a 3.6 regression introduced by the routing cache removal.
Anyways, will send quickly to -stable after you pull this in.
Other changes of note:
1) Fix lockdep splats in team and bonding, from Eric Dumazet.
2) IPV6 adds link local route even when there is no link local
address, from Nicolas Dichtel.
3) Fix ixgbe PTP implementation, from Jacob Keller.
4) Fix excessive stack usage in cxgb4 driver, from Vipul Pandya.
5) MAC length computed improperly in VLAN demux, from Antonio
Quartulli."
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (26 commits)
ipv6: release reference of ip6_null_entry's dst entry in __ip6_del_rt
Remove noisy printks from llcp_sock_connect
tipc: prevent dropped connections due to rcvbuf overflow
silence some noisy printks in irda
team: set qdisc_tx_busylock to avoid LOCKDEP splat
bonding: set qdisc_tx_busylock to avoid LOCKDEP splat
sctp: check src addr when processing SACK to update transport state
sctp: fix a typo in prototype of __sctp_rcv_lookup()
ipv4: add a fib_type to fib_info
can: mpc5xxx_can: fix section type conflict
can: peak_pcmcia: fix error return code
can: peak_pci: fix error return code
cxgb4: Fix build error due to missing linux/vmalloc.h include.
bnx2x: fix ring size for 10G functions
cxgb4: Dynamically allocate memory in t4_memory_rw() and get_vpd_params()
ixgbe: add support for X540-AT1
ixgbe: fix poll loop for FDIRCTRL.INIT_DONE bit
ixgbe: fix PTP ethtool timestamping function
ixgbe: (PTP) Fix PPS interrupt code
ixgbe: Fix PTP X540 SDP alignment code for PPS signal
...
Make RIONET driver multi-net safe/capable by introducing per-net lists of
RapidIO network peers. Rework registration of network adapters to support
all available RIO master port devices.
Signed-off-by: Alexandre Bounine <alexandre.bounine@idt.com>
Cc: Matt Porter <mporter@kernel.crashing.org>
Cc: Li Yang <leoli@freescale.com>
Cc: David S. Miller <davem@davemloft.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Fix multicast packet transmit logic to account for repetitive transmission
of single skb:
- correct check for available buffers (this bug may produce NULL pointer
crash dump in case of heavy traffic);
- update skb user count (incorrect user counter causes a warning dump from
net_tx_action routine during multicast transfers in systems with three or
more rionet participants).
Signed-off-by: Alexandre Bounine <alexandre.bounine@idt.com>
Cc: Matt Porter <mporter@kernel.crashing.org>
Cc: David S. Miller <davem@davemloft.net>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
To introduce generic set_bit_le() later, we remove our own definition
and use a proper non-atomic bitops function: __set_bit_le().
Signed-off-by: Takuya Yoshikawa <yoshikawa.takuya@oss.ntt.co.jp>
Acked-by: Grant Grundler <grundler@parisc-linux.org>
Cc: David Miller <davem@davemloft.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
There are now standard functions for dealing with little-endian bit
arrays, so use them instead of our own implementations.
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: Takuya Yoshikawa <yoshikawa.takuya@oss.ntt.co.jp>
Cc: David Miller <davem@davemloft.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Cc: Krzysztof Halasa <khc@pm.waw.pl>
Cc: David Miller <davem@davemloft.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Marc Kleine-Budde says:
====================
here are three patches for the v3.7 release cycle. Two patches by Peter Senna
Tschudin which fix the return values in the error handling path of the sja1000
peak pci and pcmcia driver. And one patch by myself that fixes a compile
breakage of the mpc5xxx_can mscan driver due to a section conflict.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
If a qdisc is installed on a team device, its possible to get
a lockdep splat under stress, because nested dev_queue_xmit() can
lock busylock a second time (on a different device, so its a false
positive)
Avoid this problem using a distinct lock_class_key for team
devices.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Jiri Pirko <jpirko@redhat.com>
Acked-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: David S. Miller <davem@davemloft.net>
Jeff Kirsher says:
====================
This series contains fixes/updates to ixgbe only. There are three
PTP fixes, polling loop fix and the addition of a device id (X540-AT1).
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Since commit:
6d99c4c can: mpc5xxx_can: make data used as *of_device_id.data const
both "struct mpc5xxx_can_data mpc5200_can_data" and "mpc5121_can_data" are
marked as "const" but also as "__devinitdata". This leads to the following
compile error:
drivers/net/can/mscan/mpc5xxx_can.c:383: error: mpc5200_can_data causes a section type conflict
drivers/net/can/mscan/mpc5xxx_can.c:383: error: mpc5200_can_data causes a section type conflict
drivers/net/can/mscan/mpc5xxx_can.c:388: error: mpc5121_can_data causes a section type conflict
drivers/net/can/mscan/mpc5xxx_can.c:388: error: mpc5121_can_data causes a section type conflict
This patch changes the "__devinitdata" to "__devinitconst" and marks the
"struct of_device_id mpc5xxx_can_table" as "const" and "__devinitconst", too.
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Convert a nonnegative error return code to a negative one, as returned
elsewhere in the function.
A simplified version of the semantic match that finds this problem is as
follows: (http://coccinelle.lip6.fr/)
// <smpl>
(
if@p1 (\(ret < 0\|ret != 0\))
{ ... return ret; }
|
ret@p1 = 0
)
... when != ret = e1
when != &ret
*if(...)
{
... when != ret = e2
when forall
return ret;
}
// </smpl>
Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
