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Re: [PATCH v6 06/20] xen/bitops: put __ffs() and ffz() into linux compatible header
- To: Oleksii <oleksii.kurochko@xxxxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Tue, 2 Apr 2024 08:46:23 +0200
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- Cc: Stefano Stabellini <sstabellini@xxxxxxxxxx>, Julien Grall <julien@xxxxxxx>, Bertrand Marquis <bertrand.marquis@xxxxxxx>, Michal Orzel <michal.orzel@xxxxxxx>, Volodymyr Babchuk <Volodymyr_Babchuk@xxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, George Dunlap <george.dunlap@xxxxxxxxxx>, Wei Liu <wl@xxxxxxx>, Shawn Anastasio <sanastasio@xxxxxxxxxxxxxxxxxxxxx>, Rahul Singh <rahul.singh@xxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx
- Delivery-date: Tue, 02 Apr 2024 06:46:23 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 29.03.2024 19:23, Oleksii wrote:
> On Wed, 2024-03-20 at 16:42 +0100, Jan Beulich wrote:
>> On 15.03.2024 19:06, Oleksii Kurochko wrote:
>>> --- a/xen/lib/find-next-bit.c
>>> +++ b/xen/lib/find-next-bit.c
>>> @@ -9,6 +9,7 @@
>>> * 2 of the License, or (at your option) any later version.
>>> */
>>> #include <xen/bitops.h>
>>> +#include <xen/linux-compat.h>
>>>
>>> #include <asm/byteorder.h>
>>
>> Hmm, no, a library source would better not include this header.
>> Surely
>> the ffz() can be taken care of locally here?
> Except that __ffs() from xen/linux-compat.h is used in find-next-bit.c,
> so it seems that it is still need to include the header.
Hmm, no - that __ffs() use, if we mean that to become a Linux compat thing
only, should then be replaced (or covered locally), too, imo.
Jan
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