Re: [PATCH v4 0/3] kasan: support backing vmalloc space with real shadow memory

2019-08-15 Thread Mark Rutland
On Thu, Aug 15, 2019 at 10:16:33AM +1000, Daniel Axtens wrote: > Currently, vmalloc space is backed by the early shadow page. This > means that kasan is incompatible with VMAP_STACK, and it also provides > a hurdle for architectures that do not have a dedicated module space > (like powerpc64). > >

[PATCH v4 0/3] kasan: support backing vmalloc space with real shadow memory

2019-08-14 Thread Daniel Axtens
Currently, vmalloc space is backed by the early shadow page. This means that kasan is incompatible with VMAP_STACK, and it also provides a hurdle for architectures that do not have a dedicated module space (like powerpc64). This series provides a mechanism to back vmalloc space with real, dynamica