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Re: [Qemu-devel] [PULL 0/8] migration: fixes


From: Dr. David Alan Gilbert
Subject: Re: [Qemu-devel] [PULL 0/8] migration: fixes
Date: Fri, 10 Jun 2016 20:09:06 +0100
User-agent: Mutt/1.6.1 (2016-04-27)

* Peter Maydell (address@hidden) wrote:
> On 10 June 2016 at 14:25, Peter Maydell <address@hidden> wrote:
> > On 10 June 2016 at 12:48, Amit Shah <address@hidden> wrote:
> >>
> >> The following changes since commit 
> >> 0c33682d5f29b0a4ae53bdec4c8e52e4fae37b34:
> >>
> >>   target-i386: Move user-mode exception actions out of user-exec.c 
> >> (2016-06-09 15:55:02 +0100)
> >>
> >> are available in the git repository at:
> >>
> >>   https://git.kernel.org/pub/scm/virt/qemu/amit/migration.git 
> >> tags/migration-for-2.7-3
> >>
> >> for you to fetch changes up to cfac638acf903f7618b285dc3f36de348554c8ad:
> >>
> >>   Postcopy: Check for support when setting the capability (2016-06-10 
> >> 17:13:32 +0530)
> >>
> >> ----------------------------------------------------------------
> >> Migration:
> >>
> >> - Fixes for TLS series
> >> - Postcopy: Add stats, fix, test case
> >>
> >> ----------------------------------------------------------------
> >
> > Fails to build on OSX
> 
> Also fails to build on AArch64 Linux:

OK, I see why I missed this.
My two weirder build cases I checked with previously were building on RHEL6 
(that's
too old for userfault) and an ARM box.  However, the tests include the headers 
from
qemu's linux-header/ subdirectory and that includes __NR_userfault for
both x86 and 32bit ARM, so I wasn't hitting the other side of the ifdef
in my testing.

Dave

> 
> /home/petmay01/qemu/tests/postcopy-test.c: In function 'return_or_event':
> /home/petmay01/qemu/tests/postcopy-test.c:177:9: error: 'got_stop'
> undeclared (first use in this function)
>          got_stop = true;
>          ^
> /home/petmay01/qemu/tests/postcopy-test.c:177:9: note: each undeclared
> identifier is reported only once for each function it appears in
> /home/petmay01/qemu/tests/postcopy-test.c: In function
> 'wait_for_migration_pass':
> /home/petmay01/qemu/tests/postcopy-test.c:235:13: error: 'got_stop'
> undeclared (first use in this function)
>          if (got_stop || initial_pass) {
>              ^
> /home/petmay01/qemu/tests/postcopy-test.c: In function 'check_guests_ram':
> /home/petmay01/qemu/tests/postcopy-test.c:262:33: error:
> 'start_address' undeclared (first use in this function)
>      qtest_memread(global_qtest, start_address, &first_byte, 1);
>                                  ^
> /home/petmay01/qemu/tests/postcopy-test.c:265:52: error: 'end_address'
> undeclared (first use in this function)
>      for (address = start_address + 4096; address < end_address;
> address += 4096)
>                                                     ^
> /home/petmay01/qemu/tests/postcopy-test.c: In function 'test_migrate':
> /home/petmay01/qemu/tests/postcopy-test.c:307:5: error: 'got_stop'
> undeclared (first use in this function)
>      got_stop = false;
>      ^
> /home/petmay01/qemu/tests/postcopy-test.c:395:23: error:
> 'start_address' undeclared (first use in this function)
>      qtest_memread(to, start_address, &dest_byte_a, 1);
>                        ^
> 
> thanks
> -- PMM
--
Dr. David Alan Gilbert / address@hidden / Manchester, UK



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