Re: [locking/paravirt] 9043442b43: WARNING:at_kernel/jump_label.c:#static_key_disable_cpuslocked

2017-10-23 Thread Juergen Gross
On 18/10/17 16:22, Borislav Petkov wrote: > On Thu, Oct 12, 2017 at 09:47:17AM +0200, Peter Zijlstra wrote: >> Urgh.. I always get lost in that whole patching maze :/ Unless Juergen >> can move it later, I think the below should also work. Moving >> jump_label_init() before smp_prepare_boot_cpu()

Re: [locking/paravirt] 9043442b43: WARNING:at_kernel/jump_label.c:#static_key_disable_cpuslocked

2017-10-23 Thread Juergen Gross
On 18/10/17 16:22, Borislav Petkov wrote: > On Thu, Oct 12, 2017 at 09:47:17AM +0200, Peter Zijlstra wrote: >> Urgh.. I always get lost in that whole patching maze :/ Unless Juergen >> can move it later, I think the below should also work. Moving >> jump_label_init() before smp_prepare_boot_cpu()

Re: [locking/paravirt] 9043442b43: WARNING:at_kernel/jump_label.c:#static_key_disable_cpuslocked

2017-10-18 Thread Borislav Petkov
On Thu, Oct 12, 2017 at 09:47:17AM +0200, Peter Zijlstra wrote: > Urgh.. I always get lost in that whole patching maze :/ Unless Juergen > can move it later, I think the below should also work. Moving > jump_label_init() before smp_prepare_boot_cpu() might not work for all > architectures, but it

Re: [locking/paravirt] 9043442b43: WARNING:at_kernel/jump_label.c:#static_key_disable_cpuslocked

2017-10-18 Thread Borislav Petkov
On Thu, Oct 12, 2017 at 09:47:17AM +0200, Peter Zijlstra wrote: > Urgh.. I always get lost in that whole patching maze :/ Unless Juergen > can move it later, I think the below should also work. Moving > jump_label_init() before smp_prepare_boot_cpu() might not work for all > architectures, but it

Re: [locking/paravirt] 9043442b43: WARNING:at_kernel/jump_label.c:#static_key_disable_cpuslocked

2017-10-12 Thread Peter Zijlstra
On Wed, Oct 11, 2017 at 04:14:30PM -0400, Waiman Long wrote: > > kern :warn : [0.00] WARNING: CPU: 0 PID: 0 at > > kernel/jump_label.c:161 static_key_disable_cpuslocked+0x69/0x80 > > kern :warn : [0.00] static_key_disable+0x1a/0x30 > > kern :warn : [0.00]

Re: [locking/paravirt] 9043442b43: WARNING:at_kernel/jump_label.c:#static_key_disable_cpuslocked

2017-10-12 Thread Peter Zijlstra
On Wed, Oct 11, 2017 at 04:14:30PM -0400, Waiman Long wrote: > > kern :warn : [0.00] WARNING: CPU: 0 PID: 0 at > > kernel/jump_label.c:161 static_key_disable_cpuslocked+0x69/0x80 > > kern :warn : [0.00] static_key_disable+0x1a/0x30 > > kern :warn : [0.00]

Re: [locking/paravirt] 9043442b43: WARNING:at_kernel/jump_label.c:#static_key_disable_cpuslocked

2017-10-11 Thread Waiman Long
On 10/11/2017 03:56 PM, kernel test robot wrote: > FYI, we noticed the following commit (built with gcc-6): > > commit: 9043442b43b1fddf202591b84702863286700c1a ("locking/paravirt: Use new > static key for controlling call of virt_spin_lock()") >

Re: [locking/paravirt] 9043442b43: WARNING:at_kernel/jump_label.c:#static_key_disable_cpuslocked

2017-10-11 Thread Waiman Long
On 10/11/2017 03:56 PM, kernel test robot wrote: > FYI, we noticed the following commit (built with gcc-6): > > commit: 9043442b43b1fddf202591b84702863286700c1a ("locking/paravirt: Use new > static key for controlling call of virt_spin_lock()") >