On Thu, Feb 12, 2015 at 3:14 PM, Riku Voipio <riku.voi...@linaro.org> wrote: > Hi, > > Here's quickly cleaned notes from etherpad: > > People affiliated with at least Debian, Fedora, OpenEmbedded, > OpenSUSE, Redhat, Ubuntu and Yocto were present and voiced opinions. > > Kernel: > - Good: most Interesting platforms mainline now > - Qualcomm IFC (in progress), raspi2, hikey probably mostly wanted? > - Bad: sometimes mainline kernels features limited "it boots to serial > console" > - OEMs still put their own kernels on everything they ship > > Kernel testing: > - http://kernelci.org is gaining traction by kernel devs, but so far > tests mostly defconfigs (which are rather minimal) > - all options needed by the new pid 1 and other hard requirements to > boot a modern distro should be in the arm64 defconfig and multi_v* > configs > - if not, kernel developers present think adding them is definetly OK > - make allmodconfig testing at kernelci.org > http://kernelci.org/build/mainline/kernel/v3.19-rc7-200-gda2d96d3aa18/defconfig/allmodconfig/?_id=54d82a6359b51489ab12b6a5 > - TODO: make allmodconfig boot! > - ACTION Koen volunteered to put some distro-style config fragments > into the kernel > > Kernel command line options > - Now firmware can tell where console= is instead of defining in command > - https://www.kernel.org/doc/Documentation/devicetree/bindings/chosen.txt > - Similar setting exists for ACPI (SPCR) > - Userspace support needs to be done > - ACTION device tree files need to get chosen/stdout-path added > - Systemd should magically use that as serial console if > CONFIG_FHANDLE is enabled > > Page size: > - 64/4K? (AArch64 Fedora/Red Hat kernels will differ: 4K for Fedora > for now, 64K for RH, there are a few issues with 64K left for triage) > - 32bit binaries compiled with latest binutils work with 64k pages > (trunk, so not in 2.25) > - 20-30 packages already fixed. > - probably more things making assumptions (BTRFS was glaring example) > > Kernel trapping for old instructions not supported on v8. (mostly > android). SWP, SETEND, cp15 barriers. > - Some current packages have SWP due to embedded libatomicops. being fixed. > - need to make the personality do the right thing for chroots. linux32 > says armv8l Would be nice to have a armv8l for building (or just fix > things) > - coreutils repeats uname name (aarch64 x3 - could be improved) Riku > will look into > > 32bit kernels on 64bit machines? > - Works with QEMU, but you don't get KVM acceleration.
there are patches for KVM 32-bit support on 64-bit hosts on the list for QEMU. The KVM support has been in for a while. -Christoffer _______________________________________________ cross-distro mailing list cross-distro@lists.linaro.org http://lists.linaro.org/mailman/listinfo/cross-distro
