On Tue, 28 Mar 2023 13:21:38 +0100, Will Deacon <will@xxxxxxxxxx> wrote: > > On Tue, Mar 28, 2023 at 04:01:49PM +0800, kernel test robot wrote: > > tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master > > head: a6faf7ea9fcb7267d06116d4188947f26e00e57e > > commit: 3b16f6268e660f15aed0bb97aefe87e893eb8882 [6577/7309] ARM: mach-virt: Select PMUv3 driver by default > > config: arm-randconfig-r024-20230326 (https://download.01.org/0day-ci/archive/20230328/202303281539.zzI4vpw1-lkp@xxxxxxxxx/config) > > compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project 67409911353323ca5edf2049ef0df54132fa1ca7) > > reproduce (this is a W=1 build): > > wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross > > chmod +x ~/bin/make.cross > > # install arm cross compiling tool for clang build > > # apt-get install binutils-arm-linux-gnueabi > > # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=3b16f6268e660f15aed0bb97aefe87e893eb8882 > > git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git > > git fetch --no-tags linux-next master > > git checkout 3b16f6268e660f15aed0bb97aefe87e893eb8882 > > # save the config file > > mkdir build_dir && cp config build_dir/.config > > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm olddefconfig > > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash drivers/perf/ > > > > If you fix the issue, kindly add following tag where applicable > > | Reported-by: kernel test robot <lkp@xxxxxxxxx> > > | Link: https://lore.kernel.org/oe-kbuild-all/202303281539.zzI4vpw1-lkp@xxxxxxxxx/ > > > > All errors (new ones prefixed by >>): > > > > >> drivers/perf/arm_pmuv3.c:44:2: error: use of undeclared identifier 'PERF_MAP_ALL_UNSUPPORTED' > > PERF_MAP_ALL_UNSUPPORTED, > > ^ > > >> drivers/perf/arm_pmuv3.c:59:2: error: use of undeclared identifier 'PERF_CACHE_MAP_ALL_UNSUPPORTED' > > PERF_CACHE_MAP_ALL_UNSUPPORTED, > > ^ > > I think the Kconfig warning is relevant here: > > > Kconfig warnings: (for reference only) > > WARNING: unmet direct dependencies detected for ARM_PMUV3 > > Depends on [n]: PERF_EVENTS [=y] && HW_PERF_EVENTS [=n] && (ARM [=y] && CPU_V7 [=y] || ARM64) > > Selected by [y]: > > - ARCH_VIRT [=y] && ARCH_MULTI_V7 [=y] && PERF_EVENTS [=y] > > Since we're selecting an option which has its own dependencies. I think > the easiest bet is to invert the linkage so that PMUV3 has a dependency > on ARCH_VIRT for 32-bit Arm (diff below). > > Marc, Zaid -- what do you think? As I said in another branch of the thread, I'd rather drop the ARCH_VIRT patch altogether. It is only of interest to the 3 people that care about it, most of which are already on Cc. Thanks, M. -- Without deviation from the norm, progress is not possible.