Le 16/04/2015 15:34, Erez Shitrit a écrit :
Currently, iflink of the parent interface was always accessed, even
when interface didn't have a parent and hence we crashed there.
Handle the interface types properly: for a child interface, return
the ifindex of the parent, for parent interface,
On 04/16/2015 07:16 AM, YOSHIFUJI Hideaki wrote:
Hi,
Ulf Samuelsson wrote:
The desired functionality is that if communication stops,
you want to send out ARP probes, before the entry is deleted.
The current (pseudo) code of the neigh timer is:
if (state NUD_REACHABLE) {
if
Signed-off-by: Hajime Tazaki taz...@sfc.wide.ad.jp
---
arch/lib/include/asm/Kbuild | 57 +++
arch/lib/include/asm/atomic.h | 50 ++
arch/lib/include/asm/barrier.h| 8 +
arch/lib/include/asm/bitsperlong.h
On 04/17/2015 03:10 AM, Eric Dumazet wrote:
From: Eric Dumazet eduma...@google.com
Two different problems are fixed here :
1) inet_sk_diag_fill() might be called without socket lock held.
icsk-icsk_ca_ops can change under us and module be unloaded.
- Access to freed memory.
Fix
add header includion for CONFIG_LIB to wrap kmalloc and co. This will
bring malloc(3) based allocator used by arch/lib.
Signed-off-by: Hajime Tazaki taz...@sfc.wide.ad.jp
---
include/linux/slab.h | 12
1 file changed, 12 insertions(+)
diff --git a/include/linux/slab.h
userspace programs access via public API, lib_init(), with passed
arguments struct SimImported and struct SimExported.
Signed-off-by: Hajime Tazaki taz...@sfc.wide.ad.jp
Signed-off-by: Ryo Nakamura u...@haeena.net
---
arch/lib/include/sim-assert.h | 23 +++
arch/lib/include/sim-init.h | 134
libos (arch/lib) emulates a sysctl-like interface by a function call of
userspace by enumerating sysctl tree from sysctl_table_root. It requires
to be publicly accessible to this symbol and related functions.
Signed-off-by: Hajime Tazaki taz...@sfc.wide.ad.jp
---
fs/proc/proc_sysctl.c | 36
This is a note to let you know that I've just added the patch titled
tcp: Fix crash in TCP Fast Open
to the 3.14-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
Log the creation and deletion of namespace instances in all 6 types of
namespaces.
Twelve new audit message types have been introduced:
AUDIT_NS_INIT_MNT 1330/* Record mount namespace instance creation */
AUDIT_NS_INIT_UTS 1331/* Record UTS namespace instance creation */
Signed-off-by: Hajime Tazaki taz...@sfc.wide.ad.jp
---
arch/lib/hrtimer.c | 122 +++
arch/lib/tasklet-hrtimer.c | 57 +++
arch/lib/time.c| 144 +++
arch/lib/timer.c | 238
These auxiliary files are used for make test ARCH=lib.
Signed-off-by: Hajime Tazaki taz...@sfc.wide.ad.jp
---
tools/testing/libos/.gitignore | 6 +
tools/testing/libos/Makefile | 38 +++
tools/testing/libos/README | 15 +++
On Wed, Apr 15, 2015 at 07:00:32PM +0100, Ben Hutchings wrote:
Commit 355a901e6cf1 (tcp: make connect() mem charging friendly)
changed tcp_send_syn_data() to perform an open-coded copy of the 'syn'
skb rather than using skb_copy_expand().
The open-coded copy does not cover the
On Thu, Apr 16, 2015 at 08:54:26PM +0200, Luis R. Rodriguez wrote:
Without WC, descriptors would end up as multiple 4B or 8B MWr packets
to the NIC, which has a pretty big performance impact on this
particular NIC.
How big are the descriptors?
Some are 64B (a batch of eight 8B
Signed-off-by: Hajime Tazaki taz...@sfc.wide.ad.jp
---
arch/lib/slab.c | 203
1 file changed, 203 insertions(+)
create mode 100644 arch/lib/slab.c
diff --git a/arch/lib/slab.c b/arch/lib/slab.c
new file mode 100644
index 000..a08f736
Signed-off-by: Hajime Tazaki taz...@sfc.wide.ad.jp
Signed-off-by: Ryo Nakamura u...@haeena.net
---
Documentation/virtual/libos-howto.txt | 144
MAINTAINERS | 9 +
arch/lib/.gitignore | 8 +
arch/lib/Kconfig | 121
This interacts with fs/proc_fs.c for sysctl-like interface accessed via
lib_init() API.
Signed-off-by: Hajime Tazaki taz...@sfc.wide.ad.jp
---
arch/lib/sysctl.c | 270 ++
1 file changed, 270 insertions(+)
create mode 100644 arch/lib/sysctl.c
These files are used to provide the same function calls so that other
network stack code keeps untouched.
Signed-off-by: Hajime Tazaki taz...@sfc.wide.ad.jp
Signed-off-by: Christoph Paasch christoph.paa...@gmail.com
---
arch/lib/capability.c | 47 +
arch/lib/filemap.c| 32 ++
Signed-off-by: Hajime Tazaki taz...@sfc.wide.ad.jp
---
arch/lib/sched.c | 406 +++
arch/lib/softirq.c | 108 ++
arch/lib/tasklet.c | 76 ++
arch/lib/workqueue.c | 242 ++
4 files changed, 832
This is a note to let you know that I've just added the patch titled
tcp: Fix crash in TCP Fast Open
to the 3.10-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
On Fri, 17 Apr 2015, Hajime Tazaki wrote:
add header includion for CONFIG_LIB to wrap kmalloc and co. This will
bring malloc(3) based allocator used by arch/lib.
Maybe add another allocator insteadl? SLLB which implements memory
management using malloc()?
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To unsubscribe from this list: send
Am 17.04.2015 um 14:17 schrieb Christoph Lameter:
On Fri, 17 Apr 2015, Hajime Tazaki wrote:
add header includion for CONFIG_LIB to wrap kmalloc and co. This will
bring malloc(3) based allocator used by arch/lib.
Maybe add another allocator insteadl? SLLB which implements memory
management
It is hard to quickly find what you are looking for in the output of the ip
command. Color helps.
This patch adds a '-c' flag to highlight these with individual colors:
- interface name
- ip addresse
- mac addresse
- up/down state
---
include/color.h | 17
ip/Makefile
Hi Guenter,
switch (index) {
+case 0: /* temp1_input */
+if (drv-get_temp)
+mode |= S_IRUGO;
This should be mandatory. Sorry, I don't really understand what you
are trying to accomplish here.
Can you give me a real world
From: Johannes Berg johannes.b...@intel.com
In commit 04ffcb255f22 (net: Add ndo_gso_check) Tom originally
added the 'dev' argument to be able to call ndo_gso_check().
Then later, when generalizing this in commit 5f35227ea34b
(net: Generalize ndo_gso_check to ndo_features_check)
Jesse removed
On Wed, 2015-04-15 at 09:23 -0700, Ben Greear wrote:
On 04/14/2015 01:15 AM, Johannes Berg wrote:
On Fri, 2015-04-03 at 14:12 -0700, gree...@candelatech.com wrote:
+/* Auxilary info to allow user-space to better understand the rate */
+struct hwsim_tx_rate2 {
+ u16 rc_flags; /*
Hi Christoph, Richard,
At Fri, 17 Apr 2015 14:44:35 +0200,
Richard Weinberger wrote:
Am 17.04.2015 um 14:17 schrieb Christoph Lameter:
On Fri, 17 Apr 2015, Hajime Tazaki wrote:
add header includion for CONFIG_LIB to wrap kmalloc and co. This will
bring malloc(3) based allocator used
Am 17.04.2015 um 17:02 schrieb Hajime Tazaki:
Hi Christoph, Richard,
At Fri, 17 Apr 2015 14:44:35 +0200,
Richard Weinberger wrote:
Am 17.04.2015 um 14:17 schrieb Christoph Lameter:
On Fri, 17 Apr 2015, Hajime Tazaki wrote:
add header includion for CONFIG_LIB to wrap kmalloc and co.
On 04/17/2015 06:44 PM, Alexei Starovoitov wrote:
On Fri, Apr 17, 2015 at 04:02:02PM +0300, Mathias Nyman wrote:
It is hard to quickly find what you are looking for in the output of the ip
command. Color helps.
This patch adds a '-c' flag to highlight these with individual colors:
-
On Fri, 2015-04-17 at 19:05 +0200, Denys Vlasenko wrote:
How do you expect one to find excessively large inlines,
if not on allyesconfig build?
Tuning kernel sources based on allyesconfig build _size_ only is
terrible. We could build an interpreter based kernel and maybe reduce
its size by 50%
Tejun Heo wrote:
On Sat, Apr 18, 2015 at 03:03:46AM +0900, Tetsuo Handa wrote:
packet will be sufficient for finding out whether the packets were lost
and/or
reordered in flight.
printk(Hello);
= netconsole sends Hello using UDP
printk(netconsole);
=
On 04/17/2015 07:42 PM, Eric Dumazet wrote:
On Fri, 2015-04-17 at 19:05 +0200, Denys Vlasenko wrote:
How do you expect one to find excessively large inlines,
if not on allyesconfig build?
Tuning kernel sources based on allyesconfig build _size_ only is
terrible. We could build an
A pppoe session is identified by its session ID and MAC address.
Currently pppoe does not check if the received pkg has the correct
MAC address. This is a problem when the eth I/F is in promisc mode
as then any DST MAC address is accepted.
Signed-off-by: Joakim Tjernlund
Hello,
On Sat, Apr 18, 2015 at 03:20:41AM +0900, Tetsuo Handa wrote:
I didn't mean to introduce netconsole's own version of metadata.
I meant we don't need to implement in-kernel retry logic.
Hmmm? I'm not really following where this discussion is headed. No,
we don't have to put it in the
From: Eric Dumazet eric.duma...@gmail.com
Date: Thu, 16 Apr 2015 18:10:35 -0700
From: Eric Dumazet eduma...@google.com
Two different problems are fixed here :
1) inet_sk_diag_fill() might be called without socket lock held.
icsk-icsk_ca_ops can change under us and module be unloaded.
From: Herbert Xu herb...@gondor.apana.org.au
Date: Fri, 17 Apr 2015 13:32:09 +0800
On Thu, Apr 16, 2015 at 07:40:30PM -0700, Alexei Starovoitov wrote:
On Fri, Apr 17, 2015 at 10:15:01AM +0800, Herbert Xu wrote:
seems the cleaner fix will be to push skb-mac_len instead?
No skb-mac_len is
From: Johannes Berg johan...@sipsolutions.net
Date: Fri, 17 Apr 2015 15:45:04 +0200
From: Johannes Berg johannes.b...@intel.com
In commit 04ffcb255f22 (net: Add ndo_gso_check) Tom originally
added the 'dev' argument to be able to call ndo_gso_check().
Then later, when generalizing this in
The driver allocates one page for each buffer on the rx ring, which is
too much on architectures like ppc64 and can cause unexpected allocation
failures when the system is under stress. Now, if the architecture's
PAGE_SIZE is greater than 4k, we fragment pages and assign each 4k
segment to a ring
Just a bit of addition.
On Fri, Apr 17, 2015 at 01:37:54PM -0400, Tejun Heo wrote:
Upto patch 12, it's just the same mechanism transferring extended
messages. It doesn't add any smartness to netconsole per-se except
that it can now emit messages with metadata headers. What do you
think
Hello, David.
On Fri, Apr 17, 2015 at 01:17:12PM -0400, David Miller wrote:
If userland cannot run properly, it is almost certain that neither will
your complex reliability layer logic.
* The bulk of patches are to pipe extended log messages to console
drivers and let netconsole relay them
Tejun Heo wrote:
Hello, David.
On Fri, Apr 17, 2015 at 01:17:12PM -0400, David Miller wrote:
If userland cannot run properly, it is almost certain that neither will
your complex reliability layer logic.
* The bulk of patches are to pipe extended log messages to console
drivers and
On Sat, Apr 18, 2015 at 03:03:46AM +0900, Tetsuo Handa wrote:
If you tolerate loss of kernel messages, adding sequence number to each UDP
Well, there's a difference between accepting loss when log buffer
overflows and when any packets get lost.
packet will be sufficient for finding out whether
At Fri, 17 Apr 2015 17:08:22 +0200,
Richard Weinberger wrote:
add header includion for CONFIG_LIB to wrap kmalloc and co. This will
bring malloc(3) based allocator used by arch/lib.
Maybe add another allocator insteadl? SLLB which implements memory
management using malloc()?
Yeah,
From: Tejun Heo t...@kernel.org
Date: Fri, 17 Apr 2015 12:28:26 -0400
On Sat, Apr 18, 2015 at 12:35:06AM +0900, Tetsuo Handa wrote:
If the sender side can wait for retransmission, why can't we use
userspace programs (e.g. rsyslogd)?
Because the system may be oopsing, ooming or threshing
From: Ian Jackson ian.jack...@eu.citrix.com
Date: Fri, 17 Apr 2015 17:29:28 +0100
Prashant Sreedharan writes (Re: tg3 NIC driver bug in 3.14.x under Xen [and
3 more messages]):
Ok this is what is causing the problem, the driver uses
DEFINE_DMA_UNMAP_ADDR(), dma_unmap_addr_set() to keep a
From: Eric Dumazet eric.duma...@gmail.com
Date: Thu, 16 Apr 2015 16:12:28 -0700
From: Eric Dumazet eduma...@google.com
tcp_get_info() can be called without holding socket lock,
so any socket fields can change under us.
Use READ_ONCE() to fetch sk_pacing_rate and sk_max_pacing_rate
On Fri, 2015-04-17 at 13:19 -0400, David Miller wrote:
So the gist of the situation is, that NEED_DMA_MAP_STATE can be 'n' in
situations where we might actually need it to be 'y' based upon kernel
comman line boot options given.
Right?
Yes.
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To unsubscribe from this list: send the
On Sat, Apr 18, 2015 at 02:43:30AM +0900, Tetsuo Handa wrote:
Upto patch 12, it's just the same mechanism transferring extended
messages. It doesn't add any smartness to netconsole per-se except
that it can now emit messages with metadata headers. What do you
think about them?
So,
Tejun Heo wrote:
printk() cannot wait for ack. Trying to wait for ack would break something.
How can you transmit subsequent kernel messages which failed to enqueue
due to waiting for ack for previous kernel messages?
Well, if log buffer overflows and the messages aren't at the logging
On Fri, Apr 17, 2015 at 01:32:09PM +0800, Herbert Xu wrote:
When you redirect a VLAN device to any device, you end up with
crap in af_packet on the xmit path because hard_header_len is
not equal to skb-mac_len. So the redirected packet contains
four extra bytes at the start which then gets
Tejun Heo wrote:
* Implement netconsole retransmission support. Matching rx socket on
the source port is automatically created for extended targets and
the log receiver can request retransmission by sending reponse
packets. This is completely decoupled from the main write path and
Hello,
On Sat, Apr 18, 2015 at 12:35:06AM +0900, Tetsuo Handa wrote:
If the sender side can wait for retransmission, why can't we use
userspace programs (e.g. rsyslogd)?
Because the system may be oopsing, ooming or threshing excessively
rendering the userland inoperable and that's exactly when
Prashant Sreedharan writes (Re: tg3 NIC driver bug in 3.14.x under Xen [and 3
more messages]):
Ok this is what is causing the problem, the driver uses
DEFINE_DMA_UNMAP_ADDR(), dma_unmap_addr_set() to keep a copy of the dma
mapping and dma_unmap_addr() to get the mapping value. On most of
the
This inline has ~500 callsites.
On 04/14/2015 08:37 PM, David Miller wrote:
That BUG_ON() was added 7 years ago, and I don't remember it ever
triggering or helping us diagnose something, so just remove it and
keep the function inlined.
On x86 allyesconfig build:
text data bss
On 04/16/2015 02:38 PM, Eric Dumazet wrote:
On Thu, 2015-04-16 at 13:14 +0200, Denys Vlasenko wrote:
However, without BUG_ONs, function is still a bit big
on PREEMPT configs.
Only on allyesconfig builds, that nobody use but to prove some points
about code size.
How do you expect one to
From: Denys Vlasenko dvlas...@redhat.com
Date: Fri, 17 Apr 2015 19:06:30 +0200
This inline has ~500 callsites.
On 04/14/2015 08:37 PM, David Miller wrote:
That BUG_ON() was added 7 years ago, and I don't remember it ever
triggering or helping us diagnose something, so just remove it and
On Fri, Apr 17, 2015 at 03:12:25PM -0400, Vivien Didelot wrote:
Since commit da4759c (sysfs: Use only return value from is_visible for
the file mode), it is possible to reduce the permissions of a file.
So declare temp1_max with the DEVICE_ATTR_RW macro and remove the write
permission in
From: Tejun Heo t...@kernel.org
Date: Fri, 17 Apr 2015 15:52:38 -0400
Hello,
On Fri, Apr 17, 2015 at 02:55:37PM -0400, David Miller wrote:
* The bulk of patches are to pipe extended log messages to console
drivers and let netconsole relay them to the receiver (and quite a
bit of
drivers/net/ethernet/sfc/selftest.c: In function ‘efx_iterate_state’:
drivers/net/ethernet/sfc/selftest.c:388:9: warning: passing argument 1 of
‘memcpy’ discards ‘const’ qualifier from pointer target type
[-Wdiscarded-array-qualifiers]
This is because the msg[] member of struct
On Fri, 2015-04-17 at 15:12 -0400, David Miller wrote:
From: Konrad Rzeszutek Wilk konrad.w...@oracle.com
Date: Fri, 17 Apr 2015 15:04:48 -0400
From 9e417af099e3cee2b219ab28ffc1e96b0564b213 Mon Sep 17 00:00:00 2001
From: Konrad Rzeszutek Wilk konrad.w...@oracle.com
Date: Fri, 17 Apr 2015
From: Alan Liebthal al...@cumulusnetworks.com
Support setting the MII register via SIOCSMIIREG.
Signed-off-by: Alan Liebthal al...@cumulusnetworks.com
Signed-off-by: Jonathan Toppins jtopp...@cumulusnetworks.com
---
drivers/net/ethernet/intel/igb/igb_main.c |5 +
1 file changed, 5
From: Alan Liebthal al...@cumulusnetworks.com
The Quanta LY8 Ethernet management port uses a Broadcom 5461S chip for
the PHY layer. This adds support for this PHY to the Intel igb driver.
Signed-off-by: Alan Liebthal al...@cumulusnetworks.com
Signed-off-by: Jonathan Toppins
From: Tejun Heo t...@kernel.org
Date: Fri, 17 Apr 2015 13:37:54 -0400
Hello, David.
On Fri, Apr 17, 2015 at 01:17:12PM -0400, David Miller wrote:
If userland cannot run properly, it is almost certain that neither will
your complex reliability layer logic.
* The bulk of patches are to
From: Eric Dumazet eric.duma...@gmail.com
Date: Fri, 17 Apr 2015 10:42:16 -0700
On Fri, 2015-04-17 at 19:05 +0200, Denys Vlasenko wrote:
How do you expect one to find excessively large inlines,
if not on allyesconfig build?
Tuning kernel sources based on allyesconfig build _size_ only is
On Fri, Apr 17, 2015 at 10:46:09AM -0700, Michael Chan wrote:
On Fri, 2015-04-17 at 13:19 -0400, David Miller wrote:
So the gist of the situation is, that NEED_DMA_MAP_STATE can be 'n' in
situations where we might actually need it to be 'y' based upon kernel
comman line boot options given.
From: Konrad Rzeszutek Wilk konrad.w...@oracle.com
Date: Fri, 17 Apr 2015 15:04:48 -0400
From 9e417af099e3cee2b219ab28ffc1e96b0564b213 Mon Sep 17 00:00:00 2001
From: Konrad Rzeszutek Wilk konrad.w...@oracle.com
Date: Fri, 17 Apr 2015 14:55:47 -0400
Subject: [PATCH] config: Enable
Since commit da4759c (sysfs: Use only return value from is_visible for
the file mode), it is possible to reduce the permissions of a file.
So declare temp1_max with the DEVICE_ATTR_RW macro and remove the write
permission in dsa_hwmon_attrs_visible if set_temp_limit isn't provided.
From: Andreas Oetken ennoerlan...@googlemail.com
Date: Thu, 16 Apr 2015 23:48:08 +0200
From: Andreas Oetken andr...@oetken.name
Fix bug which occurs when more than limit packets are available during
napi-poll, leading to delays and retransmissions on the network.
Check for (count limit)
From: Erez Shitrit ere...@mellanox.com
Date: Thu, 16 Apr 2015 16:34:34 +0300
Currently, iflink of the parent interface was always accessed, even
when interface didn't have a parent and hence we crashed there.
Handle the interface types properly: for a child interface, return
the ifindex of
Hello,
On Fri, Apr 17, 2015 at 02:55:37PM -0400, David Miller wrote:
* The bulk of patches are to pipe extended log messages to console
drivers and let netconsole relay them to the receiver (and quite a
bit of refactoring in the process), which, regardless of the
reliability logic,
From: Denys Vlasenko dvlas...@redhat.com
Date: Fri, 17 Apr 2015 19:05:17 +0200
On 04/16/2015 02:38 PM, Eric Dumazet wrote:
On Thu, 2015-04-16 at 13:14 +0200, Denys Vlasenko wrote:
However, without BUG_ONs, function is still a bit big
on PREEMPT configs.
Only on allyesconfig builds, that
From: Guenter Roeck li...@roeck-us.net
Date: Fri, 17 Apr 2015 12:40:06 -0700
On Fri, Apr 17, 2015 at 03:12:25PM -0400, Vivien Didelot wrote:
Since commit da4759c (sysfs: Use only return value from is_visible for
the file mode), it is possible to reduce the permissions of a file.
So declare
1) Fix verifier memory corruption and other bugs in BPF layer, from
Alexei Starovoitov.
2) Add a conservative fix for doing BPF properly in the BPF classifier
of the packet scheduler on ingress. Also from Alexei.
3) The SKB scrubber should not clear out the packet MARK and security
While it is not used by newer userspace anymore, the older userspace was
utilizing HIDP_VIRTUAL_CABLE_UNPLUG and HIDP_BOOT_PROTOCOL_MODE flags
when adding a new HIDP connection.
The flags validation is important, but we can not break older userspace
and with that allow providing these flags even
Hi Geert,
net/bluetooth/mgmt.c: In function ‘read_local_oob_ext_data_complete’:
net/bluetooth/mgmt.c:6474: warning: ‘r256’ may be used uninitialized in
this function
net/bluetooth/mgmt.c:6474: warning: ‘h256’ may be used uninitialized in
this function
net/bluetooth/mgmt.c:6474: warning:
On Fri, 17 Apr 2015, Richard Weinberger wrote:
SLUB is the unqueued SLAB and SLLB is the library SLAB. :D
Good that this convention is now so broadly known that I did not even
have to explain what it meant. But I think you can give it any name you
want. SLLB was just a way to tersely state how
On Fri, Apr 17, 2015 at 04:02:02PM +0300, Mathias Nyman wrote:
It is hard to quickly find what you are looking for in the output of the ip
command. Color helps.
This patch adds a '-c' flag to highlight these with individual colors:
- interface name
- ip addresse
- mac addresse
-
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