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Re: [XEN PATCH v2 06/15] x86/p2m: guard altp2m code with CONFIG_ALTP2M option
- To: Stefano Stabellini <sstabellini@xxxxxxxxxx>, Sergiy Kibrik <Sergiy_Kibrik@xxxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Thu, 16 May 2024 12:55:55 +0200
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- Cc: xen-devel@xxxxxxxxxxxxxxxxxxxx, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, George Dunlap <george.dunlap@xxxxxxxxxx>, Xenia Ragiadakou <xenia.ragiadakou@xxxxxxx>, Tamas K Lengyel <tamas@xxxxxxxxxxxxx>
- Delivery-date: Thu, 16 May 2024 10:56:03 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 16.05.2024 02:38, Stefano Stabellini wrote:
> On Wed, 15 May 2024, Sergiy Kibrik wrote:
>> --- a/xen/arch/x86/include/asm/p2m.h
>> +++ b/xen/arch/x86/include/asm/p2m.h
>> @@ -581,9 +581,9 @@ static inline gfn_t mfn_to_gfn(const struct domain *d,
>> mfn_t mfn)
>> return _gfn(mfn_x(mfn));
>> }
>>
>> -#ifdef CONFIG_HVM
>> #define AP2MGET_prepopulate true
>> #define AP2MGET_query false
>> +#ifdef CONFIG_ALTP2M
>
> Is it necessary? Can't we just replace CONFIG_HVM with CONFIG_ALTP2M on
> the same line
No, because of where those constants are used.
Sergiy, you want to move the new #ifdef down by a line though, such that
the #define-s are separated from it by the blank line that presently (with
your change applied) follows the #ifdef line.
Jan
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