Re: [Xen-devel] [xen-unstable bisection] complete build-amd64

[Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>]

xen.org writes ("[xen-unstable bisection] complete build-amd64"):
> branch xen-unstable
> xen branch xen-unstable
> job build-amd64
> test xen-build
> 
> Tree: qemu git://xenbits.xen.org/staging/qemu-xen-unstable.git
> Tree: xen http://xenbits.xen.org/staging/xen-unstable.hg
> 
> *** Found and reproduced problem changeset ***
> 
>   Bug is in tree:  xen http://xenbits.xen.org/staging/xen-unstable.hg
>   Bug introduced:  d5b706214616
>   Bug not present: 1e27e827e6a8
> 
> 
>   changeset:   24566:d5b706214616
>   user:        Olaf Hering <olaf@xxxxxxxxx>
>   date:        Thu Jan 26 11:04:59 2012 +0000
>       
>       tools/libxc: fix error handling in xc_mem_paging_load
>       
>       xc_mem_paging_load() does not pass errors in errno and the actual
>       errno from xc_mem_event_control() is overwritten by munlock().
>       xenpaging_populate_page() needs to check errno, but with the switch to
>       xc_mem_paging_load() it could not receive ENOMEM anymore.
>       
>       Update xc_mem_paging_load() to return -1 and preserve errno during
>       munlock().
>       
>       Signed-off-by: Olaf Hering <olaf@xxxxxxxxx>
>       Acked-by: Andres Lagar-Cavilla <andres@xxxxxxxxxxxxxxxx>
>       Committed-by: Keir Fraser <keir@xxxxxxx>

cc1: warnings being treated as errors
xc_mem_paging.c: In function 'xc_mem_paging_load':
xc_mem_paging.c:90: error: statement with no effect
make[3]: *** [xc_mem_paging.o] Error 1
make[3]: Leaving directory 
`/home/osstest/build.11617.build-amd64/xen-unstable/stubdom/libxc-x86_64'
make[2]: *** [build] Error 2
make[2]: Leaving directory 
`/home/osstest/build.11617.build-amd64/xen-unstable/stubdom/libxc-x86_64'
make[1]: *** [libxc-x86_64/libxenctrl.a] Error 2
make[1]: *** Waiting for unfinished jobs....

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