Serge E. Hallyn wrote:
> Quoting Oren Laadan (orenl@xxxxxxxxxxxxxxx):
>> The include file <linux/checkpoint_hdr.h> itself includes the header
>> <asm/checkpoint_hdr.h>, which exists only for supported architectures.
>>
>> Therefore, non c/r specific code must not include it unconditionally,
>> but only when CONFIG_CHECKPOINT is defined.
>>
>> Instead, either use include <linux/checkpoint.h>, which take the
>> necessary precautions (preferred), or explicit test CONFIG_CHECKPOINT.
>>
>> This patch fixes this in eventfd.c and eventpoll.c, to allow a kernel
>> with the c/r patches to compile on other architectures.
>>
>> (Reported by: Christoffer Dall)
>>
>> Signed-off-by: Oren Laadan <orenl@xxxxxxxxxxxxxxx>
>> ---
>> fs/eventfd.c | 1 -
>> fs/eventpoll.c | 5 -----
>> 2 files changed, 0 insertions(+), 6 deletions(-)
>>
>> diff --git a/fs/eventfd.c b/fs/eventfd.c
>> index 5259d6e..3277534 100644
>> --- a/fs/eventfd.c
>> +++ b/fs/eventfd.c
>> @@ -19,7 +19,6 @@
>> #include <linux/kref.h>
>> #include <linux/eventfd.h>
>> #include <linux/checkpoint.h>
>> -#include <linux/checkpoint_hdr.h>
>>
>> struct eventfd_ctx {
>> struct kref kref;
>> diff --git a/fs/eventpoll.c b/fs/eventpoll.c
>> index cb286c7..aedaf87 100644
>> --- a/fs/eventpoll.c
>> +++ b/fs/eventpoll.c
>> @@ -38,12 +38,7 @@
>> #include <asm/io.h>
>> #include <asm/mman.h>
>> #include <asm/atomic.h>
>> -
>> -#ifdef CONFIG_CHECKPOINT
>> #include <linux/checkpoint.h>
>> -#include <linux/checkpoint_hdr.h>
>> -#include <linux/deferqueue.h>
>
> Where does deferqueue.h get included from, though?
Oops... will add.
Otherwise ok ?
>
> Kind of looks like checkpoint_types.h should include that anyway,
> then we can remove the explicit include from
> checkpoint{checkpoint,files,restart,sys}.c
It isn't necessary in checkpoint.h because there is only
a pointer reference to this deferqueue structure.
Oren.
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