Re: [Cbe-oss-dev] [PATCH] Cell OProfile: SPU mutex lock fix

2008-04-08 Thread Arnd Bergmann
On Tuesday 08 April 2008, Carl Love wrote: > On Fri, 2008-04-04 at 08:38 +0200, Arnd Bergmann wrote: > Our first thought to fix the bug was to just grab the mutex lock when > adding the switch notification data to the queue. The kernel gives us > an oops message saying something along the line of

Re: [Cbe-oss-dev] [PATCH] Cell OProfile: SPU mutex lock fix

2008-04-08 Thread Carl Love
On Fri, 2008-04-04 at 08:38 +0200, Arnd Bergmann wrote: > On Wednesday 02 April 2008, Carl Love wrote: > > On Wed, 2008-04-02 at 07:21 +0200, Arnd Bergmann wrote: > > > On Tuesday 25 March 2008, Carl Love wrote: > > > > This patch fixes a bug in the code that records the SPU data and > > > > cont

Re: [Cbe-oss-dev] [PATCH] Cell OProfile: SPU mutex lock fix

2008-04-03 Thread Arnd Bergmann
On Wednesday 02 April 2008, Carl Love wrote: > On Wed, 2008-04-02 at 07:21 +0200, Arnd Bergmann wrote: > > On Tuesday 25 March 2008, Carl Love wrote: > > > This patch fixes a bug in the code that records the SPU data and > > > context switches. The buffer_mutex lock must be held when the > > > ker

Re: [Cbe-oss-dev] [PATCH] Cell OProfile: SPU mutex lock fix

2008-04-02 Thread Carl Love
On Wed, 2008-04-02 at 09:42 -0700, Carl Love wrote: > On Wed, 2008-04-02 at 07:21 +0200, Arnd Bergmann wrote: > > On Tuesday 25 March 2008, Carl Love wrote: > > > This patch fixes a bug in the code that records the SPU data and > > > context switches. The buffer_mutex lock must be held when the >

Re: [Cbe-oss-dev] [PATCH] Cell OProfile: SPU mutex lock fix

2008-04-02 Thread Carl Love
On Wed, 2008-04-02 at 07:21 +0200, Arnd Bergmann wrote: > On Tuesday 25 March 2008, Carl Love wrote: > > This patch fixes a bug in the code that records the SPU data and > > context switches. The buffer_mutex lock must be held when the > > kernel is adding data to the buffer between the kernel an

Re: [Cbe-oss-dev] [PATCH] Cell OProfile: SPU mutex lock fix

2008-04-01 Thread Arnd Bergmann
On Tuesday 25 March 2008, Carl Love wrote: > This patch fixes a bug in the code that records the SPU data and > context switches. The buffer_mutex lock must be held when the > kernel is adding data to the buffer between the kernel and the > OProfile daemon. The lock is not being held in the curre

[Cbe-oss-dev] [PATCH] Cell OProfile: SPU mutex lock fix

2008-03-25 Thread Carl Love
This patch fixes a bug in the code that records the SPU data and context switches. The buffer_mutex lock must be held when the kernel is adding data to the buffer between the kernel and the OProfile daemon. The lock is not being held in the current code base. This patch fixes the bug using work