Messages in this thread | | | Date | Fri, 18 Jan 2008 10:56:41 -0800 (PST) | From | Christoph Lameter <> | Subject | Re: [PATCH 5/5] x86: Add debug of invalid per_cpu map accesses |
| |
On Fri, 18 Jan 2008, Andi Kleen wrote:
> On Friday 18 January 2008 19:30:16 travis@sgi.com wrote: > > Provide a means to trap usages of per_cpu map variables before > > they are setup. Define CONFIG_DEBUG_PER_CPU_MAPS to activate. > > Are you sure that debug option is generally useful enough > to merge? It seems very specific to your patchkit, but I'm not > sure it would be worth carrying forever in the kernel. > > Better would be probably to just unmap those areas anyways.
Its generally useful also for the cpu_alloc changes that may lead to the moving around of early initialization code for consolidation of code between i386 and x86_64 once Mike's initial patchset is in.
| |