Re: [PATCH 9/9] arm: initial drop

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On Thu, Jan 02, 2014 at 11:17:51AM -0800, Christoffer Dall wrote:
> On Thu, Jan 02, 2014 at 07:50:27PM +0100, Andrew Jones wrote:
> > On Thu, Jan 02, 2014 at 09:44:39AM -0800, Christoffer Dall wrote:
> > > > My cross-compiler was generating broken code with anything less. I
> > > > haven't checked later compilers yet to see if it's fixed or not.
> > > > 
> > > 
> > > which GCC version?
> > 
> > $ arm-linux-gnu-gcc -v
> > Using built-in specs.
> > COLLECT_GCC=arm-linux-gnu-gcc
> > COLLECT_LTO_WRAPPER=/usr/libexec/gcc/arm-linux-gnueabi/4.8.1/lto-wrapper
> > Target: arm-linux-gnueabi
> > Configured with: ../gcc-4.8.1-20130717/configure --bindir=/usr/bin
> > --build=x86_64-redhat-linux-gnu --datadir=/usr/share
> > --disable-decimal-float --disable-dependency-tracking --disable-gold
> > --disable-libgomp --disable-libmudflap --disable-libquadmath
> > --disable-libssp --disable-nls --disable-plugin --disable-shared
> > --disable-silent-rules --disable-sjlj-exceptions --disable-threads
> > --enable-checking= --enable-gnu-unique-object --enable-initfini-array
> > --enable-languages=c --enable-linker-build-id --enable-nls
> > --enable-obsolete --enable-targets=all --exec-prefix=/usr
> > --host=x86_64-redhat-linux-gnu --includedir=/usr/include
> > --infodir=/usr/share/info --libexecdir=/usr/libexec --localstatedir=/var
> > --mandir=/usr/share/man --prefix=/usr --program-prefix=arm-linux-gnu-
> > --sbindir=/usr/sbin --sharedstatedir=/var/lib --sysconfdir=/etc
> > --target=arm-linux-gnueabi
> > --with-bugurl=http://bugzilla.redhat.com/bugzilla/
> > --with-linker-hash-style=gnu --with-newlib --with-system-libunwind
> > --with-system-zlib --without-headers
> > --with-isl=/builddir/build/BUILD/gcc-4.8.1-20130717/isl-install
> > --with-cloog=/builddir/build/BUILD/gcc-4.8.1-20130717/cloog-install
> > Thread model: single
> > gcc version 4.8.1 20130717 (Red Hat 4.8.1-5) (GCC)
> > 
> > > > > I was expecting to see a __raw_... IO accessor definitions for ARM here,
> > > > > specifically so we avoid the register-writeback versions that are not
> > > > > supported on ARM.
> > > > > 
> > > > > See arch/arm/include/asm/io.h in the kernel.
> > > > 
> > > > k, I'll grab them, but they'll go in lib/arm/io.h. I think I'll drop
> > > > these lib/test_util.* in v3, so far they're fairly useless cruft. We
> > > > can bring them back if they have enough purpose later.
> > > > 
> > > 
> > > I already did that for my WIP, see commit
> > > 680054064db4dd710991f064a88a12012944d376 in:
> > > 
> > > https://github.com/columbia/kvm-unit-tests.git
> > 
> > I'll fetch your tree and start going through it tomorrow. Thanks for
> > jumping in!!
> > 
> Sure, if you fix anything in your existing series, I'll be happy to
> rebase my patches and take a pass at squashing some of them and such so
> we can get them out as an RFC.

Lot's of good stuff in there. I also had a start on the psci/smp stuff
(in the form of notes, not code) before the holiday break, so I might have
some more suggestions there once we get the patches rebased and cleaned up.
I'd like to get a v3 posted [and committed] of this series, a version that
uses libfdt, before we get too far along, allowing us to build on a clean
base.

Thanks,
drew
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