On 3/25/20 8:01 AM, Xiaoyao Li wrote:
I attempted to build KVM selftests on a specified dir, unfortunately neither "make O=/path/to/mydir TARGETS=kvm" in tools/testing/selftests, nor "make OUTPUT=/path/to/mydir" in tools/testing/selftests/kvm work.
Please elaborate on the problems you are seeing. I would like you to describe in detail the problems you are seeing and how you are fixing them in this patch series. The problem you are fixing here is subdir structure not being supported for relocatable builds and the Makefile not being able to locate headers files. These are issues, however, these need to be fixed in the kvm Makefile. Please look at arm64, android, futex tests as examples. lib.mk and main selftests Makefile allow for overrides for make targets. When a test has sub-dir structure and libraries, it is easier to handle these in the individual Makefile. Please fix the problems you are seeing in kvm Makefile. >I only test the sub TARGET of kvm. >In theory, it won't break other TARGET of selftests. When you change lib.mk which is a common infrastructure, theory doesn't help. Statements like this make me very reluctant to accept patches. :) This is one reason why I asked Paolo to drop these patches. thanks, -- Shuah