Re: [Xen-devel] Ping: [PATCH v2] build: provide option to disambiguate symbol names

[Jan Beulich <jbeulich@xxxxxxxx>]

On 28.11.2019 13:15, Sergey Dyasli wrote:
> Applying the patch didn't end up well for my test LP (from another thread):
> 
> Perform full initial build with 8 CPU(s)...
> Reading special section data
> Apply patch and build with 8 CPU(s)...
> Unapply patch and build with 8 CPU(s)...
> Extracting new and modified ELF sections...
> Processing xen/arch/x86/mm/shadow/guest_2.o
> Processing xen/arch/x86/mm/shadow/guest_4.o
> Processing xen/arch/x86/mm/shadow/guest_3.o
> Processing xen/arch/x86/mm/guest_walk_3.o
> Processing xen/arch/x86/mm/hap/guest_walk_3level.o
> Processing xen/arch/x86/mm/hap/guest_walk_4level.o
> Processing xen/arch/x86/mm/hap/guest_walk_2level.o
> Processing xen/arch/x86/mm/guest_walk_2.o
> Processing xen/arch/x86/mm/guest_walk_4.o
> Processing xen/arch/x86/efi/efi/check.o
> Processing xen/arch/x86/pv/gpr_switch.o
> Processing xen/arch/x86/indirect-thunk.o
> Processing xen/arch/x86/boot/head.o
> Processing xen/arch/x86/x86_64/kexec_reloc.o
> Processing xen/arch/x86/x86_64/compat/entry.o
> Processing xen/arch/x86/x86_64/entry.o
> Processing xen/arch/x86/hvm/vmx/entry.o
> Processing xen/arch/x86/hvm/svm/entry.o
> Processing 
> xen/arch/x86/mnt/media/git/upstream/xen/xen/mnt/media/git/upstream/xen/xen/.xen.efi.0s.o
> Processing 
> xen/arch/x86/mnt/media/git/upstream/xen/xen/mnt/media/git/upstream/xen/xen/.xen.efi.0r.o
> Processing 
> xen/arch/x86/mnt/media/git/upstream/xen/xen/mnt/media/git/upstream/xen/xen/.xen.efi.1s.o
> Processing 
> xen/arch/x86/mnt/media/git/upstream/xen/xen/mnt/media/git/upstream/xen/xen/.xen.efi.1r.o
> ERROR: no functional changes found.
> 
> So this looks like a regression.

Thanks for doing the testing. But what am I to conclude from
the above? I can't even tell why "no functional changes found"
is an error.

Jan

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