On Wed, Oct 09, 2013 at 05:28:33PM -0700, Paul E. McKenney wrote:
> On Wed, Oct 09, 2013 at 05:12:40PM -0700, Eric Dumazet wrote:
> > On Wed, 2013-10-09 at 16:40 -0700, Josh Triplett wrote:
> >
> > > that. Constructs like list_del_rcu are much clearer, and not
> > > open-coded. Open-coding synch
On Mon, Oct 07, 2013 at 11:51:52AM -0400, Steven Rostedt wrote:
> On Sun, 6 Oct 2013 20:29:19 +0200
> Hannes Frederic Sowa wrote:
>
>
> > diff --git a/lib/jump_label_initialized.c b/lib/jump_label_initialized.c
> > new file mode 100644
> > index 000..a668a40
&
is to
> re-factor the hlen to hold only the length of gre as it's done for
> ipv4 gre, however the solution provided in the patch seems to be
> regression risk-less.
I agree, it actually does not worsen the situation:
Acked-by: Hannes Frederic Sowa
> Although the value hold by hl
On Sun, Oct 06, 2013 at 02:12:47AM +0200, Hannes Frederic Sowa wrote:
> On Sat, Oct 05, 2013 at 08:05:58PM -0400, Steven Rostedt wrote:
> > > if (type == JUMP_LABEL_ENABLE) {
> > > - /*
> > > - * We are enabling this jump label. If it is not
On Sun, Oct 06, 2013 at 04:36:56PM +0100, Oussama Ghorbel wrote:
> On Sun, Oct 6, 2013 at 4:13 PM, Hannes Frederic Sowa
> wrote:
> > On Sun, Oct 06, 2013 at 03:42:15PM +0100, Oussama Ghorbel wrote:
> >> The initialization in ip6gre_tnl_link_config is done as the follow
On Sun, Oct 06, 2013 at 03:42:15PM +0100, Oussama Ghorbel wrote:
> The initialization in ip6gre_tnl_link_config is done as the following:
> static void ip6gre_tnl_link_config(struct ip6_tnl *t, int set_mtu)
> {
> ...
> int addend = sizeof(struct ipv6hdr) + 4;
> ...
> /* Precalculate GRE options le
On Sat, Oct 05, 2013 at 08:05:58PM -0400, Steven Rostedt wrote:
> > if (type == JUMP_LABEL_ENABLE) {
> > - /*
> > -* We are enabling this jump label. If it is not a nop
> > -* then something must have gone wrong.
> > -*/
> > - if (unlikely
This duplicates a bit of code but let's us easily introduce
separate secret keys later. The separate compilation units are
ipv4/inet_hashtabbles.o, ipv4/udp.o and rds/connection.o.
Cc: Eric Dumazet
Cc: "David S. Miller"
Signed-off-by: Hannes Frederic Sowa
---
include/net/inet
eter Anvin"
Cc: Steven Rostedt
Cc: Jason Baron
Cc: Peter Zijlstra
Cc: Eric Dumazet
Cc: "David S. Miller"
Cc: x...@kernel.org
Signed-off-by: Hannes Frederic Sowa
---
arch/x86/kernel/jump_label.c | 25 ++---
1 file changed, 18 insertions(+), 7 deletions(-)
dif
tions. A seperate boolean
(___done) guards the case where we enter net_get_random_once again before
the increment happend.
Cc: Ingo Molnar
Cc: Steven Rostedt
Cc: Jason Baron
Cc: Peter Zijlstra
Cc: Eric Dumazet
Cc: "David S. Miller"
Signed-off-by: Hannes Frederic Sowa
---
I tested t
t;
Signed-off-by: Hannes Frederic Sowa
---
include/net/tcp.h | 1 -
net/ipv4/syncookies.c | 15 +--
net/ipv6/syncookies.c | 12 +---
3 files changed, 14 insertions(+), 14 deletions(-)
diff --git a/include/net/tcp.h b/include/net/tcp.h
index de870ee..9299560 100644
--- a/i
t
Cc: "David S. Miller"
Signed-off-by: Hannes Frederic Sowa
---
include/net/tcp.h | 2 +-
net/ipv4/sysctl_net_ipv4.c | 5 +
net/ipv4/tcp_fastopen.c| 27 ---
3 files changed, 22 insertions(+), 12 deletions(-)
diff --git a/include/net/tcp.h b/include/
at most two (needed in ipv6) if (unlikely(...)).
Cc: Eric Dumazet
Cc: "David S. Miller"
Signed-off-by: Hannes Frederic Sowa
---
include/net/inet_sock.h | 4
net/ipv4/af_inet.c | 27 ---
net/ipv4/inet_hashtables.c | 4
net/
This patch splits the inet6_ehashfn into separate ones in
ipv6/inet6_hashtables.o and ipv6/udp.o to ease the introduction of
seperate secrets keys later.
Cc: Eric Dumazet
Cc: "David S. Miller"
Signed-off-by: Hannes Frederic Sowa
---
include/net/inet6_hashtab
Hi!
This series implements support for delaying the initialization of secret
keys, e.g. used for hashing, for as long as possible. This functionality
is implemented by a new macro, net_get_random_bytes.
I already used it to protect the socket hashes, the syncookie secret
(most important) and the
Cc: Eric Dumazet
Cc: "David S. Miller"
Signed-off-by: Hannes Frederic Sowa
---
net/core/secure_seq.c | 14 ++
1 file changed, 2 insertions(+), 12 deletions(-)
diff --git a/net/core/secure_seq.c b/net/core/secure_seq.c
index 3f1ec15..b02fd16 100644
--- a/net/core/secure_s
On Fri, Oct 04, 2013 at 10:52:13AM +0100, Oussama Ghorbel wrote:
> Unlike ipv4, the struct member hlen holds the length of the GRE and ipv6
> headers. This length is also counted in dev->hard_header_len.
> Perhaps, it's more clean to modify the hlen to count only the GRE header
> without ipv6 heade
; IPV6_MIN_MTU)
> + return -EINVAL;
> }
> + if (new_mtu > 0xFFF8 - dev->hard_header_len)
> + return -EINVAL;
> dev->mtu = new_mtu;
> return 0;
> }
Acked-by: Hannes Frederic Sowa
Anytime soon we should replace all the FFF8 with a s
Hi!
Thanks for looking into this!
On Wed, Oct 02, 2013 at 11:10:18AM -0400, Theodore Ts'o wrote:
> On Wed, Sep 25, 2013 at 11:00:34AM +0200, Hannes Frederic Sowa wrote:
> > [PATCH RFC] random: introduce get_random_bytes_busy_wait_initialized
> >
> > We want to use goo
On Sun, Sep 29, 2013 at 10:40:11AM +0100, Oussama Ghorbel wrote:
> On Fri, Sep 27, 2013 at 6:03 PM, Hannes Frederic Sowa
> wrote:
> > Ok, let's go with one function per protocol type. Seems easier.
> >
> > It seems to get more hairy, because it depends on the tunnel d
On Fri, Sep 27, 2013 at 05:36:45PM +0100, Oussama Ghorbel wrote:
> Please see my comments below
>
> Regards,
> Oussama
>
> On Fri, Sep 27, 2013 at 11:58 AM, Hannes Frederic Sowa
> wrote:
> > On Fri, Sep 27, 2013 at 11:45:48AM +0100, Oussama Ghorbel wrote:
> >&
On Fri, Sep 27, 2013 at 11:45:48AM +0100, Oussama Ghorbel wrote:
> The ip6_tunnel.c module would be then dependent on ip_tunnel.c and may
> be it would not be good thing?
It could just be a static inline in some shared header. So there would
be no compile-time dependency.
> As I have check in v3.
On Thu, Sep 26, 2013 at 03:51:48PM +0100, Oussama Ghorbel wrote:
> The (inner) MTU of a ipip6 (IPv4-in-IPv6) tunnel cannot be set below 1280,
> which is the minimum MTU in IPv6.
> However, there should be no IPv6 on the tunnel interface at all, so the IPv6
> rules should not apply.
> More info at
On Wed, Sep 25, 2013 at 05:06:50AM -0700, Eric Dumazet wrote:
> On Wed, 2013-09-25 at 11:00 +0200, Hannes Frederic Sowa wrote:
>
> > /*
> > + * Busy loop until the nonblocking_pool is intialized and return
> > + * random data in buf of size nbytes.
> > + *
>
On Tue, Sep 24, 2013 at 06:19:57AM -0700, Eric Dumazet wrote:
> From: Eric Dumazet
>
> A host might need net_secret[] and never open a single socket.
>
> Problem added in commit aebda156a570782
> ("net: defer net_secret[] initialization")
>
> Based on pri
t!
Acked-by: Hannes Frederic Sowa
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On Thu, Aug 01, 2013 at 04:34:00PM +0200, Sebastiano Spicuglia wrote:
> [Kernel version from /proc/version ]
>
> Linux version 3.11.0-rc2+ (r...@cache.pdbg) (gcc version 4.7.2 (Debian
> 4.7.2-5) ) #5 SMP Thu Aug 1 14:20:35 CEST 2013
Which commit exactly?
Thanks,
Hannes
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To unsubscribe from
On Wed, Jul 31, 2013 at 05:55:13AM -0700, Paul E. McKenney wrote:
> On Wed, Jul 31, 2013 at 04:40:47PM +0530, vinayak menon wrote:
> > Hi,
> >
> > A crash was seen on 3.4.5 kernel during some random wlan operations.
> >
> > CPU: Single core ARM Cortex A9.
> >
> > fib_route_seq_next was called wi
On Wed, Jul 24, 2013 at 06:41:20PM -0700, Joe Perches wrote:
> On Thu, 2013-07-25 at 01:27 +, Cong Wang wrote:
> > On Tue, 23 Jul 2013 at 17:58 GMT, Joe Perches wrote:
>
> You dropped the author from the cc list.
> Always reply to the author.
>
> > > Function prototypes don't need to be decl
nd of nodesizes[].
>
> Signed-off-by: Jerry Snitselaar
Acked-by: Hannes Frederic Sowa
Thanks,
Hannes
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On Mon, Jul 22, 2013 at 06:29:58PM +0800, Fan Du wrote:
> Hallo Srivatsa
>
>
> On 2013年07月22日 02:28, Srivatsa S. Bhat wrote:
> >Hi,
> >
> >I'm seeing this on every boot.
> >
> >Version: Latest mainline (commit ea45ea70b)
>
> I tested with this commit using your updated IPv6 config, this incident
On Mon, Jul 22, 2013 at 02:40:35AM +0530, Srivatsa S. Bhat wrote:
> On 07/22/2013 02:23 AM, Hannes Frederic Sowa wrote:
> > On Sun, Jul 21, 2013 at 11:58:13PM +0530, Srivatsa S. Bhat wrote:
> >> I'm seeing this on every boot.
> >>
> >> Version: Latest ma
On Sun, Jul 21, 2013 at 11:58:13PM +0530, Srivatsa S. Bhat wrote:
> I'm seeing this on every boot.
>
> Version: Latest mainline (commit ea45ea70b)
Thanks for the report! Could you try the following patch?
diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c
index 583e8d4..373906c 100644
--- a/net/ip
On Thu, Jun 27, 2013 at 06:33:42PM -0700, Stephen Hemminger wrote:
> On Fri, 28 Jun 2013 03:23:07 +0200
> Hannes Frederic Sowa wrote:
> > Hm, are you sure? NETCONFA_MC_FORWARDING is of type RTM_NEWNETCONF
> > and expects ncm_family to be either AF_INET or AF_INET6 (at lea
On Thu, Jun 27, 2013 at 04:44:47PM -0700, Sven-Thorsten Dietrich wrote:
> diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
> index dfc39d4..695858b 100644
> --- a/net/ipv4/devinet.c
> +++ b/net/ipv4/devinet.c
> @@ -1705,7 +1705,16 @@ static int inet_netconf_fill_devconf(struct sk_buff
> *skb,
On Wed, May 22, 2013 at 12:42:08AM +0200, Peter Huewe wrote:
> Removing some boilerplate by using module_pci_driver instead of calling
> register and unregister in the otherwise empty init/exit functions.
>
> Signed-off-by: Peter Huewe
Acked-by: Hannes Frederic Sowa
--
To unsu
On Fri, Apr 05, 2013 at 05:29:32AM +0100, Al Viro wrote:
> 4) nasty semantics issue - mmap() vs. revoke (of any sort, including
> remove_proc_entry(), etc.). Suppose a revokable file had been mmapped;
> now it's going away. What should we do to its VMAs? Right now sysfs
> and procfs get away wit
On Sun, Mar 17, 2013 at 07:39:48AM +0100, Hannes Frederic Sowa wrote:
> On Sat, Mar 16, 2013 at 10:36:06AM -0700, Eric Dumazet wrote:
> > On Fri, 2013-03-15 at 00:19 +0100, Eric Dumazet wrote:
> >
> > > Thanks thats really useful, we might miss to increment socket refcoun
On Sat, Mar 16, 2013 at 10:36:06AM -0700, Eric Dumazet wrote:
> On Fri, 2013-03-15 at 00:19 +0100, Eric Dumazet wrote:
>
> > Thanks thats really useful, we might miss to increment socket refcount
> > in a timer setup.
> >
>
> Hmm, please add following debugging patch as well
>
> diff --git a/in
Piggin
Signed-off-by: Hannes Frederic Sowa
---
Documentation/ioctl/ioctl-number.txt | 1 +
drivers/block/brd.c | 170 ---
include/linux/miscdevice.h | 1 +
include/uapi/linux/Kbuild| 1 +
include/uapi/linux/brd.h
constellation between function prelude comment and function
and convert simple
Cc: Nick Piggin
Signed-off-by: Hannes Frederic Sowa
---
drivers/block/brd.c | 45 ++---
1 file changed, 22 insertions(+), 23 deletions(-)
diff --git a/drivers/block/brd.c b/drivers
kind
of use-after-free could happen.
After this change BLKFLSBUFing on partitions of a ram disk is never
possible.
Cc: Nick Piggin
Signed-off-by: Hannes Frederic Sowa
---
block/partition-generic.c | 1 +
drivers/block/brd.c | 20 +---
2 files changed, 18 insertions(+), 3
This patch replaces the list of brd_devices with an idr, thus enabling
easier block ram disk creation and deletion.
Cc: Nick Piggin
Signed-off-by: Hannes Frederic Sowa
---
drivers/block/brd.c | 136
1 file changed, 106 insertions(+), 30
While toying around with a library which needs small block devices for
quorum management, I came up with these patches to dynamically create
and destroy ram disks (I wanted to have non-swappable backed devices).
Change log (since RFC patch <20121014024836.gb27...@order.stressinduktion.org>):
1) mo
Ping, this problem still persists in v3.7-rc6. Could someone have a look?
On Sat, Nov 10, 2012 at 06:32:28AM +0100, Hannes Frederic Sowa wrote:
> Following RCU warning showed up while executing a shebang-script under
> perf-record (could even be an empty script) on a 3.7-rc4 stable
On Sat, Nov 10, 2012 at 01:34:33PM +0530, Viresh Kumar wrote:
> wrapped again.. Don't know how to disable it. :(
To quote Documentation/email-clients.txt:
~
Gmail (Web GUI)
Does not work for sending patches.
Gmail web client converts tabs to spaces
go Molnar
Cc: Arnaldo Carvalho de Melo
Signed-off-by: Hannes Frederic Sowa
---
fs/exec.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/exec.c b/fs/exec.c
index 0039055..a961b9d 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -1038,8 +1038,8 @@ void set_task_comm(struct task_struct *t
r the code flow ensures that type could only be a pointer or
array type, call die_get_real_type unconditionally again to fetch the
containing type and have further validation been done on that Die.
Cc: Peter Zijlstra
Cc: Paul Mackerras
Cc: Ingo Molnar
Cc: Arnaldo Carvalho de Melo
Signed-off-by
s patch ensures calling perf_event_comm before giving up the task_lock.
Patch based on linux-stable v3.6.5.
Signed-off-by: Hannes Frederic Sowa
---
fs/exec.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/exec.c b/fs/exec.c
index fab2c6d..781cf77 100644
--- a/fs/exec.c
+
On Fri, Sep 7, 2012 at 8:04 AM, tip-bot for Suzuki K. Poulose
wrote:
> Reported-by: Ananth N. Mavinakayanahalli
> Signed-off-by: Suzuki K. Poulose
> Acked-by: David Ahern
> Cc: Ananth N Mavinakayanahalli
> Cc: David Ahern
> Cc: Frederic Weisbecker
> Cc: Ingo Molnar
> Cc: Jiri Olsa
> Cc: Na
Signed-off-by: Hannes Frederic Sowa
---
samples/hidraw/.gitignore | 2 ++
1 file changed, 2 insertions(+)
create mode 100644 samples/hidraw/.gitignore
diff --git a/samples/hidraw/.gitignore b/samples/hidraw/.gitignore
new file mode 100644
index 000..b1bdafd
--- /dev/null
+++ b/samples
) placed brd_mutex out of
the silly constellation between function prelude comment and function.
Cc: Nick Piggin
Signed-off-by: Hannes Frederic Sowa
---
drivers/block/brd.c | 44 +---
1 file changed, 21 insertions(+), 23 deletions(-)
diff --git a/drivers
kind
of use-after-free could happen.
After this change BLKFLSBUFing on partitions of a ram disk is never
possible.
Cc: Nick Piggin
Signed-off-by: Hannes Frederic Sowa
---
block/partition-generic.c | 1 +
drivers/block/brd.c | 20 +---
2 files changed, 18 insertions(+), 3
This patch replaces the list of brd_devices with an idr, thus enabling
easier block ram disk creation and deletion.
Cc: Nick Piggin
Signed-off-by: Hannes Frederic Sowa
---
drivers/block/brd.c | 136
1 file changed, 106 insertions(+), 30
Hi!
While toying around with a library which needs small block devices for
quorum management, I came up with these patches to dynamically create
and destroy ram disks (I wanted to have non-swappable backed devices).
Feedback is appreciated!
Change log (since RFC patch <20121014024836.gb27...@ord
Piggin
Signed-off-by: Hannes Frederic Sowa
---
Documentation/ioctl/ioctl-number.txt | 1 +
drivers/block/brd.c | 170 ---
include/linux/Kbuild | 1 +
include/linux/brd.h | 12 +++
include/linux/miscdevice.h
On Sun, Oct 14, 2012 at 04:48:36AM +0200, Hannes Frederic Sowa wrote:
> + case BRD_CTL_DEL:
> + error = get_user(val, (int __user *)param);
> + if (error < 0)
> + break;
> + if ((val & max_part) != 0) {
> +
RD_CTL_DEL: Deletes a ram disk. Takes the minor id as parameter.
Signed-off-by: Hannes Frederic Sowa
---
Documentation/ioctl/ioctl-number.txt | 1 +
drivers/block/brd.c | 115 ---
include/linux/Kbuild | 1 +
include/l
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