On 04/09/2018 04:41 AM, Greg KH wrote: > 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 <ard.biesheu...@linaro.org> wrote: >> >>> On 9 April 2018 at 11:30, Greg KH <gre...@linuxfoundation.org> 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 >
I've added Sami Tolvanen, who's handling CFI in the kernel. Sami, what are the plans for upstreaming this work?