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From: Costin Lupu <costin.lupu@cs.pub.ro>
To: Julien Grall <julien@xen.org>, xen-devel@lists.xenproject.org
Cc: Ian Jackson <iwj@xenproject.org>, Wei Liu <wl@xen.org>
Subject: Re: [PATCH v4 4/5] tools/libs/gnttab: Fix PAGE_SIZE redefinition error
Date: Fri, 9 Jul 2021 11:59:49 +0300	[thread overview]
Message-ID: <f888c8ed-4b5d-6ca1-326e-a3ab5b5f0c94@cs.pub.ro> (raw)
In-Reply-To: <90974b14-4a8d-d9dd-f8e9-65eef692d28a@xen.org>

Hi Julien,

On 7/8/21 8:33 PM, Julien Grall wrote:
> Hi Costin,
> 
> On 08/06/2021 13:35, Costin Lupu wrote:
>> If PAGE_SIZE is already defined in the system (e.g. in
>> /usr/include/limits.h
>> header) then gcc will trigger a redefinition error because of -Werror.
>> This
>> patch replaces usage of PAGE_* macros with XC_PAGE_* macros in order
>> to avoid
>> confusion between control domain page granularity (PAGE_* definitions)
>> and
>> guest domain page granularity.
>>
>> The exception is in osdep_xenforeignmemory_map() where we need the
>> system page
> 
> Did you mean osdep_gnttab_grant_map?
> 

Argh, yes, sorry about that. Can we fix this on upstreaming or should I
send a new version?

>> size to check whether the PFN array should be allocated with mmap() or
>> with
>> dynamic allocation.
>>
>> Signed-off-by: Costin Lupu <costin.lupu@cs.pub.ro>
> 
> Other than the question above:
> 
> Reviewed-by: Julien Grall <jgrall@amazon.com>
> 

Cheers,
Costin


  reply	other threads:[~2021-07-09  9:00 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-08 12:35 [PATCH v4 0/5] Fix redefinition errors for toolstack libs Costin Lupu
2021-06-08 12:35 ` [PATCH v4 1/5] tools/debugger: Fix PAGE_SIZE redefinition error Costin Lupu
2021-06-08 12:35 ` [PATCH v4 2/5] tools/libfsimage: Fix PATH_MAX " Costin Lupu
2021-06-08 12:35 ` [PATCH v4 3/5] tools/libs/foreignmemory: Fix PAGE_SIZE " Costin Lupu
2021-07-08 17:30   ` Julien Grall
2021-07-13  6:47   ` Jan Beulich
2021-07-13 11:51     ` Costin Lupu
2021-06-08 12:35 ` [PATCH v4 4/5] tools/libs/gnttab: " Costin Lupu
2021-07-08 17:33   ` Julien Grall
2021-07-09  8:59     ` Costin Lupu [this message]
2021-07-09  9:06       ` Julien Grall
2021-06-08 12:35 ` [PATCH v4 5/5] tools/ocaml: Fix redefinition errors Costin Lupu
2021-06-08 13:34 ` [PATCH v4 0/5] Fix redefinition errors for toolstack libs Christian Lindig
2021-07-09 14:58 ` Julien Grall
2021-07-09 15:08   ` Julien Grall

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