From: Jan Beulich <jbeulich@suse.com>
To: Julien Grall <julien@xen.org>
Cc: xen-devel@lists.xenproject.org,
"Julien Grall" <jgrall@amazon.com>,
"Stefano Stabellini" <sstabellini@kernel.org>,
"Volodymyr Babchuk" <Volodymyr_Babchuk@epam.com>,
"Andrew Cooper" <andrew.cooper3@citrix.com>,
"George Dunlap" <george.dunlap@citrix.com>,
"Ian Jackson" <ian.jackson@eu.citrix.com>, "Wei Liu" <wl@xen.org>,
"Roger Pau Monné" <roger.pau@citrix.com>,
"Paul Durrant" <paul@xen.org>,
"Jun Nakajima" <jun.nakajima@intel.com>,
"Kevin Tian" <kevin.tian@intel.com>
Subject: Re: [RESEND][PATCH v2 5/7] xen: include xen/guest_access.h rather than asm/guest_access.h
Date: Tue, 18 Aug 2020 18:04:55 +0200 [thread overview]
Message-ID: <04b85927-3f76-3460-3009-078a2105616b@suse.com> (raw)
In-Reply-To: <d2a790ad-0e97-4f58-a38e-c3a23caf0dac@xen.org>
On 18.08.2020 15:14, Julien Grall wrote:
>
>
> On 18/08/2020 12:32, Jan Beulich wrote:
>> On 18.08.2020 10:58, Julien Grall wrote:
>>>> One option. Personally I'd prefer to avoid introduction of yet another
>>>> constant, by leveraging __XEN_GUEST_ACCESS_H__ instead.
>>>
>>> I thought about it but it doesn't prevent new inclusions of asm/guest_access.h. For instance, the following would still compile:
>>>
>>> #include <xen/guest_access.h>
>>>
>>> [...]
>>>
>>> #include <asm/guest_access.h>
>>
>> But where's the problem with this? The first #include will already
>> have resulted in the inclusion of asm/guest_access.h, so the second
>> #include is simply a no-op.
>
> A couple of reasons:
> 1) I don't consider this solving completely your original request [1]
> 2) I don't see how this is more important to prevent including <asm/guest_access.h> before and not after. Both will still compile fine, we just want to avoid it.
>
>
> [1] "Is there any chance you could take measures to avoid new inclusions of asm/guest_access.h to appear?"
Is
#include <xen/guest_access.h>
[...]
#include <asm/guest_access.h>
actually a problem (as opposed to an asm/ include without any include
of the xen/ one at all)?
Jan
next prev parent reply other threads:[~2020-08-18 16:05 UTC|newest]
Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-30 18:18 [RESEND][PATCH v2 0/7] xen: Consolidate asm-*/guest_access.h in xen/guest_access.h Julien Grall
2020-07-30 18:18 ` [RESEND][PATCH v2 1/7] xen/guest_access: Add emacs magics Julien Grall
2020-07-31 13:04 ` Bertrand Marquis
2020-08-14 18:36 ` Julien Grall
2020-09-22 10:05 ` Volodymyr Babchuk
2020-07-30 18:18 ` [RESEND][PATCH v2 2/7] xen/arm: kernel: Re-order the includes Julien Grall
2020-07-30 19:36 ` Stefano Stabellini
2020-07-31 12:58 ` Bertrand Marquis
2020-07-30 18:18 ` [RESEND][PATCH v2 3/7] xen/arm: decode: " Julien Grall
2020-07-30 19:37 ` Stefano Stabellini
2020-08-14 18:40 ` Julien Grall
2020-07-30 18:18 ` [RESEND][PATCH v2 4/7] xen/arm: guestcopy: " Julien Grall
2020-07-30 19:37 ` Stefano Stabellini
2020-07-31 12:53 ` Bertrand Marquis
2020-07-31 12:56 ` Bertrand Marquis
2020-08-14 18:50 ` Julien Grall
2020-07-30 18:18 ` [RESEND][PATCH v2 5/7] xen: include xen/guest_access.h rather than asm/guest_access.h Julien Grall
2020-07-30 19:37 ` Stefano Stabellini
2020-07-31 11:36 ` Jan Beulich
2020-08-14 19:07 ` Julien Grall
2020-08-18 8:50 ` Jan Beulich
2020-08-18 8:58 ` Julien Grall
2020-08-18 9:05 ` Bertrand Marquis
2020-08-18 9:23 ` Julien Grall
2020-08-18 9:29 ` Bertrand Marquis
2020-08-18 11:32 ` Jan Beulich
2020-08-18 13:14 ` Julien Grall
2020-08-18 16:04 ` Jan Beulich [this message]
2020-08-18 16:20 ` Julien Grall
2020-08-18 16:23 ` Jan Beulich
2020-08-18 16:34 ` Julien Grall
2020-07-31 12:45 ` Bertrand Marquis
2020-07-31 12:45 ` Bertrand Marquis
2020-09-18 18:39 ` Julien Grall
2020-09-21 15:32 ` Paul Durrant
2020-07-30 18:18 ` [RESEND][PATCH v2 6/7] xen/guest_access: Consolidate guest access helpers in xen/guest_access.h Julien Grall
2020-07-30 19:37 ` Stefano Stabellini
2020-08-14 19:10 ` Julien Grall
2020-07-31 11:45 ` Jan Beulich
2020-08-14 19:14 ` Julien Grall
2020-07-30 18:18 ` [RESEND][PATCH v2 7/7] xen/guest_access: Fix coding style " Julien Grall
2020-07-30 19:38 ` Stefano Stabellini
2020-07-31 11:41 ` Jan Beulich
2020-08-14 19:18 ` Julien Grall
2020-08-18 8:52 ` Jan Beulich
2020-08-18 9:03 ` Julien Grall
2020-07-31 12:46 ` Bertrand Marquis
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