Re: [Xen-devel] Re: [PATCH] xen: mask XSAVE in cpuid since we don't allow guests to use it

[Boris Derzhavets <bderzhavets@xxxxxxxxx>]

Trying to get 19242 on fresh clone :-

root@ServerXen331:/usr/src/xen-unstable.hg# hg bisect -r
root@ServerXen331:/usr/src/xen-unstable.hg# hg bisect -g 19242
root@ServerXen331:/usr/src/xen-unstable.hg# hg bisect -b 19297
Testing changeset 19269:3673926b2375 (55 changesets remaining, ~5 tests)
63 files updated, 0 files merged, 0 files removed, 0 files unresolved
root@ServerXen331:/usr/src/xen-unstable.hg# make tools

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 .block-qcow2.o.d  -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE  -Werror -Wno-unused -I../lib -I../../../tools/libxc -I../../../tools/include -I../../../tools/xenstore -I../../../tools/include -I ../../libaio/src -D_GNU_SOURCE -c -o block-qcow2.o block-qcow2.c
cc1: warnings being treated as errors
block-qcow2.c: In function ‘qcow2_create’:
block-qcow2.c:2045: error: ignoring return value of ‘write’, declared with attribute warn_unused_result
block-qcow2.c:2047: error: ignoring return value of ‘write’, declared with attribute warn_unused_result
block-qcow2.c:2052: error: ignoring return value of ‘write’, declared with attribute warn_unused_result
block-qcow2.c:2055: error: ignoring return value of ‘write’, declared with attribute warn_unused_result
block-qcow2.c:2058: error: ignoring return value of ‘write’, declared with attribute warn_unused_result
make[5]: *** [block-qcow2.o] Error 1
make[5]: Leaving directory `/usr/src/xen-unstable.hg/tools/blktap/drivers'
make[4]: *** [subdir-install-drivers] Error 2
make[4]: Leaving directory `/usr/src/xen-unstable.hg/tools/blktap'
make[3]: *** [subdirs-install] Error 2
make[3]: Leaving directory `/usr/src/xen-unstable.hg/tools/blktap'
make[2]: *** [subdir-install-blktap] Error 2
make[2]: Leaving directory `/usr/src/xen-unstable.hg/tools'
make[1]: *** [subdirs-install] Error 2
make[1]: Leaving directory `/usr/src/xen-unstable.hg/tools'
make: *** [install-tools] Error 2

I can build tools only for 19232, but pygrub return no data for this release

--- On Wed, 3/11/09, Jeremy Fitzhardinge <jeremy@xxxxxxxx> wrote:

From: Jeremy Fitzhardinge <jeremy@xxxxxxxx>
Subject: Re: [Xen-devel] Re: [PATCH] xen: mask XSAVE in cpuid since we don't allow guests to use it
To: "Andrew Lyon" <andrew.lyon@xxxxxxxxx>
Cc: bderzhavets@xxxxxxxxx, "Xen-devel" <xen-devel@xxxxxxxxxxxxxxxxxxx>, "Keir Fraser" <keir.fraser@xxxxxxxxxxxxx>
Date: Wednesday, March 11, 2009, 9:54 PM

Jeremy Fitzhardinge wrote:
> Change 19242:226031d62fc5 is the last one which works for me.  I
haven't managed to bisect which specific change the problem starts occuring
in, but 19250:b3774712e654 seems like a good starting point. 

Hm, perhaps not; it doesn't work for me now after a reboot.  I realize now
that I wasn't restarting xenstored between tests.

   J

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