[PATCH v3 7/9] docs: add documentation for guest_memfd preservation via LUO

[tarunsahu at google.com]

sashiko-bot at kernel.org writes:

>
>> diff --git a/virt/kvm/guest_memfd_luo.c b/virt/kvm/guest_memfd_luo.c
>> index c242b1d14c0ac..8411fe86dc2a1 100644
>> --- a/virt/kvm/guest_memfd_luo.c
>> +++ b/virt/kvm/guest_memfd_luo.c
>> @@ -119,11 +119,11 @@ static bool kvm_gmem_luo_can_preserve(struct liveupdate_file_handler *handler, s
>>  	/*
>>  	 * Only Fully-shared guest_memfd preservation is supported
>>  	 */
>> -	if (GMEM_I(inode)->flags & GUEST_MEMFD_FLAG_INIT_SHARED)
>> +	if (!(GMEM_I(inode)->flags & GUEST_MEMFD_FLAG_INIT_SHARED))
>>  		return 0;
>
> [Severity: Medium]
> Should this functional logic fix in kvm_gmem_luo_can_preserve() be split into
> its own patch? 
>
> The commit message explicitly states this is a documentation change, but this
> modifies the condition for GUEST_MEMFD_FLAG_INIT_SHARED in C code, which
> violates the rule of one logical change per commit and makes tracking bug
> fixes difficult.
>

OOOOPS, This (and the below) should be part of previous patch, I will
have it fixed in next version next version.

>>  
>>  	/*
>> -	 * It makes sure that no memory can converted to private
>> +	 * It makes sure that no memory can be converted to private
>>  	 * even if it was initially fully shared (in-place conversions are
>>  	 * prevented).
>>  	 */


>
> -- 
> Sashiko AI review · https://sashiko.dev/#/patchset/20260622184851.2309827-1-tarunsahu@google.com?part=7