Messages in this thread | | | Date | Mon, 13 Jan 2014 11:38:08 +0100 | From | Borislav Petkov <> | Subject | Re: [PATCH 2/5] x86, mpx: hook #BR exception handler to allocate bound tables |
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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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