Re: [Xen-devel] [PATCH v4] x86/cpu: Sync any remaining RCU callbacks before CPU up/down

2020-03-13 Thread Igor Druzhinin
On 13/03/2020 11:23, Jan Beulich wrote: > On 10.03.2020 19:06, Igor Druzhinin wrote: >> During CPU down operation RCU callbacks are scheduled to finish >> off some actions later as soon as CPU is fully dead (the same applies >> to CPU up operation in case error path is taken). If in the same grace

Re: [Xen-devel] [PATCH v4] x86/cpu: Sync any remaining RCU callbacks before CPU up/down

2020-03-13 Thread Jan Beulich
On 10.03.2020 19:06, Igor Druzhinin wrote: > During CPU down operation RCU callbacks are scheduled to finish > off some actions later as soon as CPU is fully dead (the same applies > to CPU up operation in case error path is taken). If in the same grace > period another CPU up operation is

Re: [Xen-devel] [PATCH v4] x86/cpu: Sync any remaining RCU callbacks before CPU up/down

2020-03-11 Thread Jan Beulich
On 10.03.2020 19:06, Igor Druzhinin wrote: > During CPU down operation RCU callbacks are scheduled to finish > off some actions later as soon as CPU is fully dead (the same applies > to CPU up operation in case error path is taken). If in the same grace > period another CPU up operation is

[Xen-devel] [PATCH v4] x86/cpu: Sync any remaining RCU callbacks before CPU up/down

2020-03-10 Thread Igor Druzhinin
During CPU down operation RCU callbacks are scheduled to finish off some actions later as soon as CPU is fully dead (the same applies to CPU up operation in case error path is taken). If in the same grace period another CPU up operation is performed on the same CPU, RCU callback will be called