On 4/24/20 10:24, Kees Cook wrote: > On Fri, Apr 24, 2020 at 09:15:53AM -0300, Jason Gunthorpe wrote: >> On Thu, Apr 23, 2020 at 08:47:04PM -0700, Nathan Chancellor wrote: >>> Hi Gustavo, >>> >>> On Wed, Apr 22, 2020 at 01:26:02PM -0500, Gustavo A. R. Silva wrote: >>>> Hi Linus, >>>> >>>> Just wanted to ask you if you would agree on pulling the remaining >>>> flexible-array conversions all at once, after they bake for a couple >>>> of weeks in linux-next[1] >>>> >>>> This is not a disruptive change and there are no code generation >>>> differences. So, I think it would make better use of everyone's time >>>> if you pull this treewide patch[2] from my tree (after sending you a >>>> proper pull-request, of course) sometime in the next couple of weeks. >>>> >>>> Notice that the treewide patch I mention here has been successfully >>>> built (on top of v5.7-rc1) for multiple architectures (arm, arm64, >>>> sparc, powerpc, ia64, s390, i386, nios2, c6x, xtensa, openrisc, mips, >>>> parisc, x86_64, riscv, sh, sparc64) and 82 different configurations >>>> with the help of the 0-day CI guys[3]. >>>> >>>> What do you think? >>>> >>>> [1] https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=d496496793ff69c4a6b1262a0001eb5cd0a56544 >>>> [2] https://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux.git/commit/?h=for-next/kspp&id=d783301058f3d3605f9ad34f0192692ef572d663 >>>> [3] https://github.com/GustavoARSilva/linux-hardening/blob/master/cii/kernel-ci/kspp-fam0-20200420.md >>>> >>>> Thanks >>> >>> That patch in -next appears to introduce some warnings with clang when >>> CONFIG_UAPI_HEADER_TEST is enabled (allyesconfig/allmodconfig exposed it >>> for us with KernelCI [1]): >> >> Indeed, I've tried these conversions before and run into problems like >> this, and more. Particularly in userspace these structs also get >> embedded in other structs and the warnings explode. >> >> Please drop changes to ib_user_verbs.h from your series > > We might need to make the UAPI changes separately (or not at all). > I agree. In the meantime I've dropped the changes for ib_user_verbs.h and will do the same for all the UAPI files. -- Gustavo