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author | David Howells <dhowells@redhat.com> | 2012-11-19 22:21:03 +0000 |
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committer | David Howells <dhowells@redhat.com> | 2012-11-19 22:21:03 +0000 |
commit | d2709c7ce4c513ab7f4ca9a106a930621811f2d3 (patch) | |
tree | da6e14e27b02b2d234aad0eb1ccf5bbfa06d0cb8 /virt | |
parent | f2d9cae9ea9e0228f6eb4d4c5ab4f548d0270d1a (diff) | |
download | op-kernel-dev-d2709c7ce4c513ab7f4ca9a106a930621811f2d3.zip op-kernel-dev-d2709c7ce4c513ab7f4ca9a106a930621811f2d3.tar.gz |
perf: Make perf build for x86 with UAPI disintegration applied
Make perf build for x86 once the UAPI disintegration patches for that arch
have been applied by adding the appropriate -I flags - in the right order -
and then converting some #includes that use ../.. notation to find main kernel
headerfiles to use <asm/foo.h> and <linux/foo.h> instead.
Note that -Iarch/foo/include/uapi is present _before_ -Iarch/foo/include.
This makes sure we get the userspace version of the pt_regs struct. Ideally,
we wouldn't have the latter -I flag at all, but unfortunately we want
asm/svm.h and asm/vmx.h in builtin-kvm.c and these aren't part of the UAPI -
at least not for x86. I wonder if the bits outside of the __KERNEL__ guards
*should* be transferred there.
I note also that perf seems to do its dependency handling manually by listing
all the header files it might want to use in LIB_H in the Makefile. Can this
be changed to use -MD?
Note that to do make this work, we need to export and UAPI disintegrate
linux/hw_breakpoint.h, which I think should've been exported previously so that
perf can access the bits. We have to do this in the same patch to maintain
bisectability.
Signed-off-by: David Howells <dhowells@redhat.com>
Diffstat (limited to 'virt')
0 files changed, 0 insertions, 0 deletions