On 08.12.2025 18:28, Teddy Astie wrote:
> Le 24/11/2025 à 13:36, Oleksii Kurochko a écrit :
>> diff --git a/docs/misc/xen-command-line.pandoc 
>> b/docs/misc/xen-command-line.pandoc
>> index 34004ce282..6c4bfa3603 100644
>> --- a/docs/misc/xen-command-line.pandoc
>> +++ b/docs/misc/xen-command-line.pandoc
>> @@ -3096,3 +3096,12 @@ the hypervisor was compiled with `CONFIG_XSM` enabled.
>>   * `silo`: this will deny any unmediated communication channels between
>>     unprivileged VMs.  To choose this, the separated option in kconfig must 
>> also
>>     be enabled.
>> +
>> +### vmid (RISC-V)
>> +> `= <boolean>`
>> +
>> +> Default: `true`
>> +
>> +Permit Xen to use Virtual Machine Identifiers. This is an optimisation which
>> +tags the TLB entries with an ID per vcpu. This allows for guest TLB flushes
>> +to be performed without the overhead of a complete TLB flush.
> 
> Should we regroup all asid/vpid/vmid (which are pretty much the same 
> thing with different names and for different arch) under a single 
> command-line option ?

How would you name such an option, without losing it being recognized by people
knowing the respective arch?

Jan

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