From: Oleksii Kurochko <oleksii.kurochko@gmail.com>
To: Jan Beulich <jbeulich@suse.com>
Cc: "Stefano Stabellini" <sstabellini@kernel.org>,
"Julien Grall" <julien@xen.org>,
"Bertrand Marquis" <bertrand.marquis@arm.com>,
"Michal Orzel" <michal.orzel@amd.com>,
"Volodymyr Babchuk" <Volodymyr_Babchuk@epam.com>,
"Andrew Cooper" <andrew.cooper3@citrix.com>,
"Anthony PERARD" <anthony.perard@vates.tech>,
"Roger Pau Monné" <roger.pau@citrix.com>,
"Shawn Anastasio" <sanastasio@raptorengineering.com>,
"Alistair Francis" <alistair.francis@wdc.com>,
"Bob Eshleman" <bobbyeshleman@gmail.com>,
"Connor Davis" <connojdavis@gmail.com>,
xen-devel@lists.xenproject.org
Subject: Re: [PATCH v1] xen/config.h: Move BITS_PER_* definitions from asm/config.h to xen/config.h
Date: Thu, 27 Mar 2025 13:51:26 +0100 [thread overview]
Message-ID: <34c4ba5e-3d06-45af-9c73-e4f160f6d74e@gmail.com> (raw)
In-Reply-To: <8046d3c4-c00e-4322-b665-81614af89f13@suse.com>
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On 3/27/25 9:18 AM, Jan Beulich wrote:
> On 26.03.2025 18:47, Oleksii Kurochko wrote:
>> --- a/xen/include/xen/config.h
>> +++ b/xen/include/xen/config.h
>> @@ -98,4 +98,13 @@
>> #define ZERO_BLOCK_PTR ((void *)-1L)
>> #endif
>>
>> +#define BYTES_PER_LONG __SIZEOF_LONG__
>> +
>> +#define BITS_PER_BYTE __CHAR_BIT__
>> +#define BITS_PER_INT (__SIZEOF_INT__ << 3)
>> +#define BITS_PER_LONG (BYTES_PER_LONG << 3)
>> +#define BITS_PER_LLONG (__SIZEOF_LONG_LONG__ << 3)
>> +
>> +#define POINTER_ALIGN __SIZEOF_POINTER__
> Just one remark here: Imo this needs to come with a comment, as alignment and
> size aren't necessarily tied together. It's merely that we assume that
> sizeof(void *) == __alignof(void *).
I will added the following comment then:
/* it is assumed that sizeof(void *) == __alignof(void *) */
~ Oleksii
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next prev parent reply other threads:[~2025-03-27 12:51 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-03-26 17:47 [PATCH v1] xen/config.h: Move BITS_PER_* definitions from asm/config.h to xen/config.h Oleksii Kurochko
2025-03-27 0:44 ` Andrew Cooper
2025-03-27 8:21 ` Jan Beulich
2025-03-27 12:53 ` Andrew Cooper
2025-03-27 13:36 ` Jan Beulich
2025-03-27 12:50 ` Oleksii Kurochko
2025-03-27 13:16 ` Jan Beulich
2025-03-27 16:12 ` Oleksii Kurochko
2025-03-27 16:14 ` Jan Beulich
2025-03-27 8:18 ` Jan Beulich
2025-03-27 12:51 ` Oleksii Kurochko [this message]
2025-03-27 13:37 ` Jan Beulich
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