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SubjectRe: [PATCH 2/5] x86, mpx: hook #BR exception handler to allocate bound tables
On Mon, Jan 13, 2014 at 11:17:15AM +0800, Ren Qiaowei wrote:
> Yes, I run this with lockdep enabled.

Ok, but you still are doing memory allocation in the exception handler,
AFAICT:

do_bounds
|->do_mpx_bt_fault
|->allocate_bt
|->sys_mmap_pgoff
|->vm_mmap_pgoff
|->do_mmap_pgoff
|->mmap_region
|-> kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL);

--
Regards/Gruss,
Boris.

Sent from a fat crate under my desk. Formatting is fine.
--


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