Kernel

[PATCH] tcp: cookie transactions setsockopt memory leak
From: Dmitry Popov <dp(a)highloadlab.com> There is a bug in do_tcp_setsockopt(net/ipv4/tcp.c), TCP_COOKIE_TRANSACTIONS case. In some cases (when tp->cookie_values == NULL) new tcp_cookie_values structure can be allocated (at cvp), but not bound to tp->cookie_values. So a memory leak occurs. Signed-off-by: Dmitr... 29 Jul 2010 08:35

[PATCH 2/2] CRED: Fix __task_cred()'s lockdep check and banner comment
Fix __task_cred()'s lockdep check by removing the following validation condition: lockdep_tasklist_lock_is_held() as commit_creds() does not take the tasklist_lock, and nor do most of the functions that call it, so this check is pointless and it can prevent detection of the RCU lock not being held if the task... 29 Jul 2010 08:35

[PATCH 1/2] CRED: Fix get_task_cred() and task_state() to not resurrect dead credentials
It's possible for get_task_cred() as it currently stands to 'corrupt' a set of credentials by incrementing their usage count after their replacement by the task being accessed. What happens is that get_task_cred() can race with commit_creds(): TASK_1 TASK_2 RCU_CLEANER -->get_task_cred(TASK_2) rcu_read... 29 Jul 2010 08:35

[tip:irq/core] irq: Add new IRQ flag IRQF_NO_SUSPEND
Commit-ID: 685fd0b4ea3f0f1d5385610b0d5b57775a8d5842 Gitweb: http://git.kernel.org/tip/685fd0b4ea3f0f1d5385610b0d5b57775a8d5842 Author: Ian Campbell <ian.campbell(a)citrix.com> AuthorDate: Thu, 29 Jul 2010 11:16:32 +0100 Committer: Thomas Gleixner <tglx(a)linutronix.de> CommitDate: Thu, 29 Jul 2010 13:24:57 +... 29 Jul 2010 08:35

[tip:irq/core] powerpc: Use IRQF_NO_SUSPEND not IRQF_TIMER for non-timer interrupts
Commit-ID: ba461f094bab2dc09487816b9dfce845796b259d Gitweb: http://git.kernel.org/tip/ba461f094bab2dc09487816b9dfce845796b259d Author: Ian Campbell <ian.campbell(a)citrix.com> AuthorDate: Thu, 29 Jul 2010 11:16:34 +0100 Committer: Thomas Gleixner <tglx(a)linutronix.de> CommitDate: Thu, 29 Jul 2010 13:24:57 +... 29 Jul 2010 08:34

[tip:irq/core] xen: Do not suspend IPI IRQs.
Commit-ID: 4877c737283813bdb4bebfa3168c1585f6e3a8ca Gitweb: http://git.kernel.org/tip/4877c737283813bdb4bebfa3168c1585f6e3a8ca Author: Ian Campbell <ian.campbell(a)citrix.com> AuthorDate: Thu, 29 Jul 2010 11:16:35 +0100 Committer: Thomas Gleixner <tglx(a)linutronix.de> CommitDate: Thu, 29 Jul 2010 13:24:58 +... 29 Jul 2010 08:34

[tip:irq/core] ixp4xx-beeper: Use IRQF_NO_SUSPEND not IRQF_TIMER for non-timer interrupt
Commit-ID: 2dd9320305416c171087d5347a6c908ae22c6be1 Gitweb: http://git.kernel.org/tip/2dd9320305416c171087d5347a6c908ae22c6be1 Author: Ian Campbell <ian.campbell(a)citrix.com> AuthorDate: Thu, 29 Jul 2010 11:16:33 +0100 Committer: Thomas Gleixner <tglx(a)linutronix.de> CommitDate: Thu, 29 Jul 2010 13:24:57 +... 29 Jul 2010 08:34

[RFC PATCH v8 14/16] Provides multiple submits and asynchronous notifications.
From: Xin Xiaohui <xiaohui.xin(a)intel.com> The vhost-net backend now only supports synchronous send/recv operations. The patch provides multiple submits and asynchronous notifications. This is needed for zero-copy case. Signed-off-by: Xin Xiaohui <xiaohui.xin(a)intel.com> --- drivers/vhost/net.c | 348 ++++++... 29 Jul 2010 07:29

[RFC PATCH v8 10/16] Add a hook to intercept external buffers from NIC driver.
From: Xin Xiaohui <xiaohui.xin(a)intel.com> The hook is called in netif_receive_skb(). Signed-off-by: Xin Xiaohui <xiaohui.xin(a)intel.com> Signed-off-by: Zhao Yu <yzhao81new(a)gmail.com> Reviewed-by: Jeff Dike <jdike(a)linux.intel.com> --- net/core/dev.c | 35 +++++++++++++++++++++++++++++++++++ 1 files changed, 3... 29 Jul 2010 07:29

[RFC PATCH v8 16/16] An example how to alloc user buffer based on napi_gro_frags() interface.
From: Xin Xiaohui <xiaohui.xin(a)intel.com> This example is made on ixgbe driver which using napi_gro_frags(). It can get buffers from guest side directly using netdev_alloc_page() and release guest buffers using netdev_free_page(). --- drivers/net/ixgbe/ixgbe_main.c | 19 +++++++++++++++---- 1 files changed... 29 Jul 2010 07:29