Hi Juergen
At 10/27/2017 05:21 PM, Juergen Gross wrote:
On 27/10/17 10:43, Ingo Molnar wrote:
* Juergen Gross wrote:
Don't try to set the static virt_spin_lock_key to a value before
jump_label_init() has been called, as this will result in a WARN().
Solve the problem by introducing a new l
On 27/10/17 10:43, Ingo Molnar wrote:
>
> * Juergen Gross wrote:
>
>> Don't try to set the static virt_spin_lock_key to a value before
>> jump_label_init() has been called, as this will result in a WARN().
>>
>> Solve the problem by introducing a new lock_init() hook called after
>> jump_label_i
* Juergen Gross wrote:
> Don't try to set the static virt_spin_lock_key to a value before
> jump_label_init() has been called, as this will result in a WARN().
>
> Solve the problem by introducing a new lock_init() hook called after
> jump_label_init() instead of doing the call inside of
> smp_
Hi Juergen,
How about moving the check of xen_pvspin into native_pv_lock_init()
like below?
This would leak xen_pvspin to non-Xen code. I'd rather do the
Oops, yes, I made the mistake. Please ignore it.
static_branch_disable() in xen_init_lock_cpu() if cpu == 0.
Yes. I will test it. :-
On 25/10/17 09:35, Dou Liyang wrote:
> Hi Juergen,
>
> [...]
>>> I like your original method.
>>> So, I try to fix it by moving the native_pv_lock_init() from
>>> native_smp_prepare_boot_cpu() to native_smp_prepare_cpus().
>>
>> Hmm, this might work, but the Xen case has to be modified (same for
Hi Juergen,
[...]
I like your original method.
So, I try to fix it by moving the native_pv_lock_init() from
native_smp_prepare_boot_cpu() to native_smp_prepare_cpus().
Hmm, this might work, but the Xen case has to be modified (same for
my more general solution), as xen_init_spinlocks() is sti
On 25/10/17 06:26, Dou Liyang wrote:
> Hi Juergen,
>
> At 10/23/2017 09:49 PM, Juergen Gross wrote:
>> Don't try to set the static virt_spin_lock_key to a value before
>> jump_label_init() has been called, as this will result in a WARN().
>>
>> Solve the problem by introducing a new lock_init() ho
Hi Juergen,
At 10/23/2017 09:49 PM, Juergen Gross wrote:
Don't try to set the static virt_spin_lock_key to a value before
jump_label_init() has been called, as this will result in a WARN().
Solve the problem by introducing a new lock_init() hook called after
jump_label_init() instead of doing t
Don't try to set the static virt_spin_lock_key to a value before
jump_label_init() has been called, as this will result in a WARN().
Solve the problem by introducing a new lock_init() hook called after
jump_label_init() instead of doing the call inside of
smp_prepare_boot_cpu().
Signed-off-by: Ju
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