[PATCH 0/7] kvmtool: Cleanup kernel loading

Will Deacon will.deacon at arm.com
Wed Nov 18 09:08:04 PST 2015


On Wed, Nov 18, 2015 at 10:29:30AM +0000, Andre Przywara wrote:
> On 02/11/15 14:58, Will Deacon wrote:
> > On Fri, Oct 30, 2015 at 06:26:53PM +0000, Andre Przywara wrote:
> >> this series cleans up kvmtool's kernel loading functionality a bit.
> >> It has been broken out of a previous series I sent [1] and contains
> >> just the cleanup and bug fix parts, which should be less controversial
> >> and thus easier to merge ;-)
> >> I will resend the pipe loading part later on as a separate series.
> >>
> >> The first patch properly abstracts kernel loading to move
> >> responsibility into each architecture's code. It removes quite some
> >> ugly code from the generic kvm.c file.
> >> The later patches address the naive usage of read(2) to, well, read
> >> data from files. Doing this without coping with the subtleties of
> >> the UNIX read semantics (returning with less or none data read is not
> >> an error) can provoke hard to debug failures.
> >> So these patches make use of the existing and one new wrapper function
> >> to make sure we read everything we actually wanted to.
> >> The last patch moves the ARM kernel loading code into the proper
> >> location to be in line with the other architectures.
> >>
> >> Please have a look and give some comments!
> > 
> > Looks good to me, but I'd like to see some comments from some mips/ppc/x86
> > people on the changes you're making over there.
> 
> Sounds reasonable, but no answers yet.
> 
> Can you take at least patch 1 and 2 meanwhile, preferably 6 and 7 (the
> ARM parts) also if you are OK with it?
> I have other patches that depend on 1/7 and 2/7, so having them upstream
> would help me and reduce further dependency churn.
> I am happy to resend the remaining patches for further discussion later.

We let them sit on the list for a while with no comments, so I just pushed
out your series. If a bug report shows up, then we can always revert the
offending patch if there's no quick fix.

Will



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