Re: [PATCH v3 1/2] smp: Print more useful debug info upon receiving IPI on an offline CPU

2014-05-15 Thread Frederic Weisbecker
On Thu, May 15, 2014 at 12:12:17PM +0530, Srivatsa S. Bhat wrote: > On 05/13/2014 09:08 PM, Frederic Weisbecker wrote: > > On Mon, May 12, 2014 at 02:06:49AM +0530, Srivatsa S. Bhat wrote: > >> Today the smp-call-function code just prints a warning if we get an IPI on > >> an offline CPU. This info

Re: [PATCH v3 1/2] smp: Print more useful debug info upon receiving IPI on an offline CPU

2014-05-14 Thread Srivatsa S. Bhat
On 05/13/2014 09:08 PM, Frederic Weisbecker wrote: > On Mon, May 12, 2014 at 02:06:49AM +0530, Srivatsa S. Bhat wrote: >> Today the smp-call-function code just prints a warning if we get an IPI on >> an offline CPU. This info is sufficient to let us know that something went >> wrong, but often it i

Re: [PATCH v3 1/2] smp: Print more useful debug info upon receiving IPI on an offline CPU

2014-05-13 Thread Frederic Weisbecker
On Mon, May 12, 2014 at 02:06:49AM +0530, Srivatsa S. Bhat wrote: > Today the smp-call-function code just prints a warning if we get an IPI on > an offline CPU. This info is sufficient to let us know that something went > wrong, but often it is very hard to debug exactly who sent the IPI and why, >

[PATCH v3 1/2] smp: Print more useful debug info upon receiving IPI on an offline CPU

2014-05-11 Thread Srivatsa S. Bhat
Today the smp-call-function code just prints a warning if we get an IPI on an offline CPU. This info is sufficient to let us know that something went wrong, but often it is very hard to debug exactly who sent the IPI and why, from this info alone. In most cases, we get the warning about the IPI to