Hi Frederic,
FYI, kernel build failed on
tree: git://github.com/fweisbec/linux-dynticks.git cputime/cleanups
head: e9a4d5c1f47ed3df66e61ef2e681db1ab01a0d7a
commit: a9da39a10a81d67dd1c34e103d83334a3449cc9f [1/3] kvm: Directly account vtime to system on guest switch
config: powerpc-allyesconfig
All error/warnings:
In file included from arch/powerpc/kernel/asm-offsets.c:53:0:
include/linux/kvm_host.h: In function 'kvm_guest_enter':
include/linux/kvm_host.h:692:2: error: implicit declaration of function 'vtime_account_system' [-Werror=implicit-function-declaration]
cc1: some warnings being treated as errors
vim +692 include/linux/kvm_host.h
d172fcd3 drivers/kvm/kvm.h Laurent Vivier 2007-10-15 686 {
8fa22068 include/linux/kvm_host.h Gleb Natapov 2011-05-04 687 BUG_ON(preemptible());
a9da39a1 include/linux/kvm_host.h Frederic Weisbecker 2012-10-05 688 /*
a9da39a1 include/linux/kvm_host.h Frederic Weisbecker 2012-10-05 689 * This is running in ioctl context so we can avoid
a9da39a1 include/linux/kvm_host.h Frederic Weisbecker 2012-10-05 690 * the call to vtime_account() with its unnecessary idle check.
a9da39a1 include/linux/kvm_host.h Frederic Weisbecker 2012-10-05 691 */
a9da39a1 include/linux/kvm_host.h Frederic Weisbecker 2012-10-05 @692 vtime_account_system(current);
d172fcd3 drivers/kvm/kvm.h Laurent Vivier 2007-10-15 693 current->flags |= PF_VCPU;
8fa22068 include/linux/kvm_host.h Gleb Natapov 2011-05-04 694 /* KVM does not hold any references to rcu protected data when it
8fa22068 include/linux/kvm_host.h Gleb Natapov 2011-05-04 695 * switches CPU into a guest mode. In fact switching to a guest mode
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0-DAY kernel build testing backend Open Source Technology Center
Fengguang Wu, Yuanhan Liu Intel Corporation
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