[PATCH] liveupdate: kho: Enable KHO by default

Pratyush Yadav pratyush at kernel.org
Tue Nov 11 05:03:42 PST 2025


On Mon, Nov 10 2025, Mike Rapoport wrote:

> On Mon, Nov 10, 2025 at 01:07:15PM -0500, Pasha Tatashin wrote:
>>
>> Subject: [PATCH] liveupdate: kho: Enable KHO by default
>
> No need to put a directory (liveupdate) prefix here. "kho: " is enough.

+1

>
> With that fixed
>
> Reviewed-by: Mike Rapoport (Microsoft) <rppt at kernel.org>

Reviewed-by: Pratyush Yadav <pratyush at kernel.org>

>
>> Upcoming LUO requires KHO for its operations, the requirement to place
>> both KHO=on and liveupdate=on becomes redundant. Set KHO to be enabled
>> by default.
>> 
>> Signed-off-by: Pasha Tatashin <pasha.tatashin at soleen.com>
>> ---
>>  kernel/liveupdate/kexec_handover.c | 2 +-
>>  1 file changed, 1 insertion(+), 1 deletion(-)
>> 
>> diff --git a/kernel/liveupdate/kexec_handover.c b/kernel/liveupdate/kexec_handover.c
>> index b54ca665e005..568cd9fe9aca 100644
>> --- a/kernel/liveupdate/kexec_handover.c
>> +++ b/kernel/liveupdate/kexec_handover.c
>> @@ -51,7 +51,7 @@ union kho_page_info {
>>  
>>  static_assert(sizeof(union kho_page_info) == sizeof(((struct page *)0)->private));
>>  
>> -static bool kho_enable __ro_after_init;
>> +static bool kho_enable __ro_after_init = true;
>>  
>>  bool kho_is_enabled(void)
>>  {
>> 
>> base-commit: ab40c92c74c6b0c611c89516794502b3a3173966
>> -- 
>> 2.51.2.1041.gc1ab5b90ca-goog
>> 

-- 
Regards,
Pratyush Yadav



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