Re: [PATCH] x86-32: fix tlb flushing when lguest clears PGE

2017-03-13 Thread Rustad, Mark D
On Mar 12, 2017, at 7:02 PM, Kees Cook wrote: > Are there nominations for most comprehensive changelog of the year? :) > This is awesome. Especially for a one-liner! Truly comprehensive and completely relevant. -- Mark Rustad, Networking Division, Intel Corporation signature.asc Description:

Re: [PATCH] x86-32: fix tlb flushing when lguest clears PGE

2017-03-12 Thread Kees Cook
Are there nominations for most comprehensive changelog of the year? :) This is awesome. -Kees On Fri, Mar 10, 2017 at 6:31 PM, Daniel Borkmann wrote: > Fengguang reported [1] random corruptions from various locations on > x86-32 after commits d2852a224050 ("arch: add ARCH_HAS_SET_MEMORY > config

[PATCH] x86-32: fix tlb flushing when lguest clears PGE

2017-03-10 Thread Daniel Borkmann
Fengguang reported [1] random corruptions from various locations on x86-32 after commits d2852a224050 ("arch: add ARCH_HAS_SET_MEMORY config") and 9d876e79df6a ("bpf: fix unlocking of jited image when module ronx not set") that uses the former. While x86-32 doesn't have a JIT like x86_64, the bpf_p