Re: [Xen-devel] [PATCH] Paging and memory sharing for HVM guests

[Jeremy Fitzhardinge <jeremy@xxxxxxxx>]

On 12/17/2009 12:08 PM, Patrick Colp wrote:
> That's odd. I just pulled a fresh copy of xen-unstable and built xen 
> and the tools. Both compiled with no errors or problems. Maybe this is 
> some sort of distro-dependent problem?
Possibly.  I'm using Fedora 11 on this machine, and it also fails in 
Fedora 12.  For the sleep() prototype, is it possible your versions 
headers are implicitly including unistd.h, or otherwise have a prototype 
for it?
And for the xen/mem_event.h problem, might you have that header 
installed somewhere?
    J

> Patrick
>
>
> Jeremy Fitzhardinge wrote:
> > On 12/16/2009 03:14 PM, Grzegorz Milos wrote:
> > > The series of 46 patches attached to this email contain the initial
> > > implementation of memory paging and sharing for Xen. Patrick Colp
> > > leads the work on the pager, and I am mostly responsible for memory
> > > sharing. We would be grateful for any comments/suggestions you might
> > > have. Individual patches are labeled with comments describing their
> > > purpose and a sign-off footnote. Of course we are happy to discuss
> > > them in more detail, as required. Assuming that there are no major
> > > objections against including them in the mainstream xen-unstable tree,
> > > we would like to move future development to that tree.
> > I'm getting compile errors:
> >
> > gcc  -O1 -fno-omit-frame-pointer -fno-optimize-sibling-calls -m64 -g 
> > -fno-strict-aliasing -std=gnu99 -Wall -Wstrict-prototypes 
> > -Wno-unused-value -Wdeclaration-after-statement  -D__XEN_TOOLS__ -MMD 
> > -MF .bidir-daemon.o.d  -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE  
> > -Werror -Wno-unused -I../include -I../../tools/libxc 
> > -I../../tools/include -D_GNU_SOURCE -fPIC -g 
> > -Wp,-MD,.bidir-daemon.o.d -c -o bidir-daemon.o bidir-daemon.c
> > cc1: warnings being treated as errors
> > bidir-daemon.c: In function ‘bidir_daemon’:
> > bidir-daemon.c:74: error: implicit declaration of function ‘sleep’
> > make[3]: *** [bidir-daemon.o] Error 1
> > make[3]: Leaving directory `/home/jeremy/hg/xen/unstable/tools/memshr'
> >
> > and
> >
> > make[3]: Entering directory 
> > `/home/jeremy/hg/xen/unstable/tools/xenpaging'
> > gcc  -O1 -fno-omit-frame-pointer -fno-optimize-sibling-calls -m64 -g 
> > -fno-strict-aliasing -std=gnu99 -Wall -Wstrict-prototypes 
> > -Wno-unused-value -Wdeclaration-after-statement  -D__XEN_TOOLS__ -MMD 
> > -MF .file_ops.o.d  -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE  -I 
> > ../../tools/python/xen/lowlevel/xc -I ./ -I../../tools/libxc 
> > -I../../tools/include -I../../tools/xenstore -I../../tools/include 
> > -Werror -Wno-unused -g -Wp,-MD,.file_ops.o.d -c -o file_ops.o file_ops.c
> > gcc  -O1 -fno-omit-frame-pointer -fno-optimize-sibling-calls -m64 -g 
> > -fno-strict-aliasing -std=gnu99 -Wall -Wstrict-prototypes 
> > -Wno-unused-value -Wdeclaration-after-statement  -D__XEN_TOOLS__ -MMD 
> > -MF .xc.o.d  -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE  -I 
> > ../../tools/python/xen/lowlevel/xc -I ./ -I../../tools/libxc 
> > -I../../tools/include -I../../tools/xenstore -I../../tools/include 
> > -Werror -Wno-unused -g -Wp,-MD,.xc.o.d -c -o xc.o xc.c
> > In file included from xc.c:29:
> > xc.h:29:27: error: xen/mem_event.h: No such file or directory
> > make[3]: *** [xc.o] Error 1
> > make[3]: Leaving directory 
> > `/home/jeremy/hg/xen/unstable/tools/xenpaging'
> >
> > The first is easily fixed by adding #include <unistd.h>, but I 
> > haven't looked into the second yet.
> > Thanks,
> > J

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