On 2024-06-19 at 18:34:34 +0300, Nikolay Borisov wrote:
>
>
> On 19.06.24 г. 18:25 ч., Chen Yu wrote:
> > Hi Nikolay,
> >
> > On 2024-06-18 at 11:24:42 +0300, Nikolay Borisov wrote:
> > >
> > >
> > > On 26.05.24 г. 4:58 ч., Chen Yu wrote:
> > > > The kernel can change spinlock behavior when ru
On 19.06.24 г. 18:25 ч., Chen Yu wrote:
Hi Nikolay,
On 2024-06-18 at 11:24:42 +0300, Nikolay Borisov wrote:
On 26.05.24 г. 4:58 ч., Chen Yu wrote:
The kernel can change spinlock behavior when running as a guest. But
this guest-friendly behavior causes performance problems on bare metal.
S
Hi Nikolay,
On 2024-06-18 at 11:24:42 +0300, Nikolay Borisov wrote:
>
>
> On 26.05.24 г. 4:58 ч., Chen Yu wrote:
> > The kernel can change spinlock behavior when running as a guest. But
> > this guest-friendly behavior causes performance problems on bare metal.
> > So there's a 'virt_spin_lock_k
On 26.05.24 г. 4:58 ч., Chen Yu wrote:
The kernel can change spinlock behavior when running as a guest. But
this guest-friendly behavior causes performance problems on bare metal.
So there's a 'virt_spin_lock_key' static key to switch between the two
modes.
The static key is always enabled by
Hello,
On 2024-05-26 at 09:58:47 +0800, Chen Yu wrote:
> The kernel can change spinlock behavior when running as a guest. But
> this guest-friendly behavior causes performance problems on bare metal.
> So there's a 'virt_spin_lock_key' static key to switch between the two
> modes.
>
> The static
The kernel can change spinlock behavior when running as a guest. But
this guest-friendly behavior causes performance problems on bare metal.
So there's a 'virt_spin_lock_key' static key to switch between the two
modes.
The static key is always enabled by default (run in guest mode) and
should be d
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