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Ranconfig failure between VT-d and HVM
- To: Jan Beulich <jbeulich@xxxxxxxx>
- From: Andrew Cooper <Andrew.Cooper3@xxxxxxxxxx>
- Date: Wed, 20 Apr 2022 17:49:15 +0000
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- Thread-topic: Ranconfig failure between VT-d and HVM
https://gitlab.com/xen-project/people/andyhhp/xen/-/jobs/2355562119
ld: prelink.o: in function `vtd_setup':
drivers/passthrough/vtd/iommu.c:(.init.text+0x219f6): undefined
reference to `opt_hap_2mb'
drivers/passthrough/vtd/iommu.c:(.init.text+0x219f6): relocation
truncated to fit: R_X86_64_PC32 against undefined symbol `opt_hap_2mb'
ld: drivers/passthrough/vtd/iommu.c:(.init.text+0x21a23): undefined
reference to `opt_hap_1gb'
drivers/passthrough/vtd/iommu.c:(.init.text+0x21a23): relocation
truncated to fit: R_X86_64_PC32 against undefined symbol `opt_hap_1gb'
ld: ./.xen-syms.0: hidden symbol `opt_hap_2mb' isn't defined
ld: final link failed: bad value
make[3]: *** [arch/x86/Makefile:137: xen-syms] Error 1
It's really not clear why this has first show up now. There has been a
huge quantity of noise in Gitlab CI for the past 3 weeks with ARM being
offline, but I can't see anything relevant in the large number of IOMMU
changes in that period.
Anyway, the issue is simple. It's vtd_ept_page_compatible() in a
!CONFIG_HVM build.
~Andrew
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