Re: [Xen-devel] Re: linux-next: Tree for July 25 (xen)

[Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>]

On Thu, Aug 04, 2011 at 09:35:34PM +0200, Ingo Molnar wrote:
> 
> * Randy Dunlap <rdunlap@xxxxxxxxxxxx> wrote:
> 
> > On Mon, 25 Jul 2011 16:25:42 +1000 Stephen Rothwell wrote:
> > 
> > > Hi all,
> > 
> > xen has lots of build errors and warnings (all on x86_64).

Hm, I have a fix in my linux-next (and stable/bug.fixes) for this that I was 
thinking
to send in a couple of days ..


commit 1e9ea2656b656edd3c8de98675bbc0340211b5bd
Author: Jeremy Fitzhardinge <jeremy@xxxxxxxx>
Date:   Wed Aug 3 09:43:44 2011 -0700

     xen/tracing: it looks like we wanted CONFIG_FTRACE
    
    Apparently we wanted CONFIG_FTRACE rather the CONFIG_FUNCTION_TRACER.
    
    Reported-by: Sander Eikelenboom <linux@xxxxxxxxxxxxxx>
    Tested-by: Sander Eikelenboom <linux@xxxxxxxxxxxxxx>
    Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@xxxxxxxxxx>
    Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>

diff --git a/arch/x86/xen/Makefile b/arch/x86/xen/Makefile
index 45e94ac..3326204 100644
--- a/arch/x86/xen/Makefile
+++ b/arch/x86/xen/Makefile
@@ -15,7 +15,7 @@ obj-y         := enlighten.o setup.o multicalls.o mmu.o irq.o 
\
                        grant-table.o suspend.o platform-pci-unplug.o \
                        p2m.o
 
-obj-$(CONFIG_FUNCTION_TRACER) += trace.o
+obj-$(CONFIG_FTRACE) += trace.o
 
 obj-$(CONFIG_SMP)              += smp.o
 obj-$(CONFIG_PARAVIRT_SPINLOCKS)+= spinlock.o

.. snip of the long compile error..

> These build failures are still triggering upstream:
> 
>  arch/x86/xen/trace.c:44:2: error: array index in initializer not of integer 
> type
>  arch/x86/xen/trace.c:44:2: error: (near initialization for 
> ‘xen_hypercall_names’)
>  arch/x86/xen/trace.c:45:1: error: ‘__HYPERVISOR_arch_4’ undeclared here (not 
> in a function)
>  arch/x86/xen/trace.c:45:2: error: array index in initializer not of integer 
> type
>  arch/x86/xen/trace.c:45:2: error: (near initialization for 
> ‘xen_hypercall_names’)

Oh, that I haven't seen. Can you send me the .config for that please.

> 
> even after:
> 
>  b3c4b9825075: xen/tracing: fix compile errors when tracing is disabled.
> 
> Btw., that the heck is going on with the commit that introduced the 
> build failure:
> 
>  commit bd9ddc875b6659f9f74dcfd285c472bc58041abd
>  Author:     Jeremy Fitzhardinge <jeremy.fitzhardinge@xxxxxxxxxx>
>  AuthorDate: Mon Jun 20 17:52:13 2011 -0700
>  Commit:     Jeremy Fitzhardinge <jeremy.fitzhardinge@xxxxxxxxxx>
>  CommitDate: Mon Jul 18 15:43:46 2011 -0700
> 
> It was apparently rebased shortly before the merge window and sent to 

Well, the rebase I get - it was done on top of the merge that introduced
the new functionality.

> Linus 3 days later, with little to no linux-next testing ...

<Hmm> It did fix the compile problem.. albeit it created another one.
> 
> I'm absolutely unhappy about how the Xen tree is being run. It's 
> using a sloppy, crappy workflow and it is producing crap.

Do you have a manual of how you guys run your workflow?

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