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From: Julien Grall <julien@xen.org>
To: Michal Orzel <michal.orzel@amd.com>, xen-devel@lists.xenproject.org
Cc: Andrew Cooper <andrew.cooper3@citrix.com>,
	George Dunlap <george.dunlap@citrix.com>,
	Jan Beulich <jbeulich@suse.com>,
	Stefano Stabellini <sstabellini@kernel.org>
Subject: Re: [PATCH] public: xen: Define missing guest handle for int32_t
Date: Wed, 17 Apr 2024 15:17:09 +0100	[thread overview]
Message-ID: <be95f6be-0404-4c43-926f-d011782a02db@xen.org> (raw)
In-Reply-To: <20240417121442.56178-1-michal.orzel@amd.com>

Hi Michal,

On 17/04/2024 13:14, Michal Orzel wrote:
> Commit afab29d0882f ("public: s/int/int32_t") replaced int with int32_t
> in XEN_GUEST_HANDLE() in memory.h but there is no guest handle defined
> for it. This results in a build failure. Example on Arm:
> 
> ./include/public/arch-arm.h:205:41: error: unknown type name ‘__guest_handle_64_int32_t’
>    205 | #define __XEN_GUEST_HANDLE(name)        __guest_handle_64_ ## name
>        |                                         ^~~~~~~~~~~~~~~~~~
> ./include/public/arch-arm.h:206:41: note: in expansion of macro ‘__XEN_GUEST_HANDLE’
>    206 | #define XEN_GUEST_HANDLE(name)          __XEN_GUEST_HANDLE(name)
>        |                                         ^~~~~~~~~~~~~~~~~~
> ./include/public/memory.h:277:5: note: in expansion of macro ‘XEN_GUEST_HANDLE’
>    277 |     XEN_GUEST_HANDLE(int32_t) errs;
> 
> Fix it. Also, drop guest handle definition for int given no further use.
> 
> Fixes: afab29d0882f ("public: s/int/int32_t")
> Signed-off-by: Michal Orzel <michal.orzel@amd.com>

So it turned out that I committed v1 from Stefano. I was meant to commit 
the patch at all, but I think I started with a dirty staging :(. Sorry 
for that.

I have reverted Stefano's commit for now so we can take the correct patch.

Now, from my understanding, Andrew suggested on Matrix that this 
solution may actually be a good way to handle GUEST_HANLDEs (they were 
removed in v2). Maybe this can be folded in Stefano's patch?

Cheers,

-- 
Julien Grall


  parent reply	other threads:[~2024-04-17 14:17 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-04-17 12:14 [PATCH] public: xen: Define missing guest handle for int32_t Michal Orzel
2024-04-17 12:52 ` Luca Fancellu
2024-04-17 14:17 ` Julien Grall [this message]
2024-04-17 18:49   ` Stefano Stabellini
2024-04-22 15:10     ` Julien Grall
2024-04-25 22:39       ` Stefano Stabellini
2024-04-26  6:06         ` Jan Beulich
2024-04-26 21:28           ` Stefano Stabellini
2024-04-18  7:26 ` Jan Beulich
2024-04-18  7:29   ` Michal Orzel

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