On Mon, Apr 09, 2018 at 06:57:51PM +0900, Jean-Baptiste Theou wrote: > On Mon, 9 Apr 2018 11:49:37 +0200 > Ard Biesheuvel <[email protected]> wrote: > > > On 9 April 2018 at 11:30, Greg KH <[email protected]> wrote: > > > On Mon, Apr 09, 2018 at 06:05:34PM +0900, Jean-Baptiste Theou wrote: > > >> Hi, > > >> > > >> After this patchset, a kernel built with CFI fails. Disabling > > >> UNMAP_KERNEL_AT_EL0 fix the issue obviously. > > > > How does one 'build a kernel with CFI' for arm64? > > From Google work on Android-4.9 > > https://android.googlesource.com/kernel/common/+/00a195e7c0752ff5d65c9caadfbcc226270ca232 > > I am not sure what is the plan on their side to upstream (Greg?), but > definitely > useful to isolate actual issues.
Ah, yeah, if you are taking anything from the Android tree, all bets are off :) Greg Hackmann can probably answer the questions about CFI and these patches, as he's working on merging this stable release into the android-4.9 branch this week. I'll let him deal with this... thanks, greg k-h
