tree:
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git
linux-4.19.y
head: d694d4388e889e15298d8de938fb4e61e4df75bf
commit: 46a4a014c48e64e28970ca775bb7adf4778821af [4612/9999] kvm: x86: mmu: Recovery of
shattered NX large pages
config: arm-axm55xx_defconfig (attached as .config)
compiler: arm-linux-gnueabi-gcc (GCC) 9.3.0
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
git checkout 46a4a014c48e64e28970ca775bb7adf4778821af
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp(a)intel.com>
All warnings (new ones prefixed by >>, old ones prefixed by <<):
> arch/arm/kvm/../../../virt/kvm/kvm_main.c:632:12: warning: no
previous prototype for 'kvm_arch_post_init_vm' [-Wmissing-prototypes]
632 |
int __weak kvm_arch_post_init_vm(struct kvm *kvm)
| ^~~~~~~~~~~~~~~~~~~~~
> arch/arm/kvm/../../../virt/kvm/kvm_main.c:641:13: warning: no
previous prototype for 'kvm_arch_pre_destroy_vm' [-Wmissing-prototypes]
641
| void __weak kvm_arch_pre_destroy_vm(struct kvm *kvm)
| ^~~~~~~~~~~~~~~~~~~~~~~
In file included from include/linux/kvm_host.h:14,
from arch/arm/kvm/../../../virt/kvm/kvm_main.c:21:
include/linux/signal.h: In function 'sigemptyset':
include/linux/signal.h:180:22: warning: this statement may fall through
[-Wimplicit-fallthrough=]
180 | case 2: set->sig[1] = 0;
| ~~~~~~~~~~~~^~~
include/linux/signal.h:181:2: note: here
181 | case 1: set->sig[0] = 0;
| ^~~~
vim +/kvm_arch_post_init_vm +632 arch/arm/kvm/../../../virt/kvm/kvm_main.c
627
628 /*
629 * Called after the VM is otherwise initialized, but just before adding it to
630 * the vm_list.
631 */
632 int __weak kvm_arch_post_init_vm(struct kvm *kvm)
633 {
634 return 0;
635 }
636
637 /*
638 * Called just after removing the VM from the vm_list, but before doing any
639 * other destruction.
640 */
641 void __weak kvm_arch_pre_destroy_vm(struct kvm *kvm)
642 {
643 }
644
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org