Re: [Qemu-devel] [PULL 00/60] ppc-for-4.0 queue 20190310

[David Gibson]

On Sun, Mar 10, 2019 at 04:06:38PM +0000, Peter Maydell wrote:
> On Sun, 10 Mar 2019 at 08:27, David Gibson <address@hidden> wrote:
> >
> > The following changes since commit f5b4c31030f45293bb4517445722768434829d91:
> >
> >   Merge remote-tracking branch 'remotes/stefanha/tags/block-pull-request' 
> > into staging (2019-03-09 17:35:48 +0000)
> >
> > are available in the Git repository at:
> >
> >   git://github.com/dgibson/qemu.git tags/ppc-for-4.0-20190310
> >
> > for you to fetch changes up to 08d020471fcd41cb020fc9987ed1945eefcc8805:
> >
> >   spapr: Use CamelCase properly (2019-03-10 14:35:44 +1100)
> >
> > ----------------------------------------------------------------
> > ppc patch queue for 2019-03-10
> >
> > Here's a final pull request before the 4.0 soft freeze.  Changes
> > include:
> >   * A Great Renaming to use camel case properly in spapr code
> >   * Optimization of some vector instructions
> >   * Support for POWER9 cpus in the powernv machine
> >   * Fixes a regression from the last pull request in handling VSX
> >     instructions with mixed operands from the FPR and VMX parts of the
> >     register array
> >   * Optimization hack to avoid scanning all the (empty) entries on a
> >     new IOMMU window
> >   * Add FSL I2C controller model for E500
> >   * Support for KVM acceleration of the H_PAGE_INIT hypercall on spapr
> >   * Update u-boot image for E500
> >   * Enable Specre/Meltdown mitigations by default on the new machine type
> >   * Enable large decrementer support for POWER9
> >
> > Plus a number of assorted bugfixes and cleanups.
> >
> 
> Hi. This pullreq generates a pile of new 'warning' messages
> during 'make check':
> 
> MALLOC_PERTURB_=${MALLOC_PERTURB_:-$(( ${RANDOM:-0} % 255 + 1))}
> QTEST_QEMU_BINARY=ppc64-softmmu/qemu-system-ppc64
> QTEST_QEMU_IMG=qemu-img tests/
> boot-serial-test -m=quick -k --tap < /dev/null |
> ./scripts/tap-driver.pl --test-name="boot-serial-test"
> PASS 1 boot-serial-test /ppc64/boot-serial/ppce500
> PASS 2 boot-serial-test /ppc64/boot-serial/40p
> PASS 3 boot-serial-test /ppc64/boot-serial/mac99
> qemu-system-ppc64: warning: TCG doesn't support requested feature,
> cap-cfpc=workaround
> qemu-system-ppc64: warning: TCG doesn't support requested feature,
> cap-sbbc=workaround
> qemu-system-ppc64: warning: TCG doesn't support requested feature,
> cap-ibs=workaround
> PASS 4 boot-serial-test /ppc64/boot-serial/pseries
> PASS 5 boot-serial-test /ppc64/boot-serial/powernv
> PASS 6 boot-serial-test /ppc64/boot-serial/sam460ex
> 
> and similarly during the boot-pxe-test.
> 
> Could you silence these, please?

Ok, done.  As a rule these warnings are there intentionally for TCG -
we want to enable Spectre/Meltdown mitigations by default, but no-one
really knows if and how to implement them for TCG.

But I can and have suppressed the warnings for the qtest case.

-- 
David Gibson                    | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au  | minimalist, thank you.  NOT _the_ _other_
                                | _way_ _around_!
http://www.ozlabs.org/~dgibson

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