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| author | Kyle McMartin <kmcmartin@redhat.com> | 2012-02-28 02:02:56 +0400 |
|---|---|---|
| committer | Roland Dreier <roland@purestorage.com> | 2012-03-05 22:12:35 +0400 |
| commit | bd50f8924c684f84416fb58c11eb24619b041f25 (patch) | |
| tree | 1663476c9a64c9bc9afd900b79404523936aaea5 /Documentation | |
| parent | 6aeaa48b0dd3a4261804be1cccaea46d82be3fcb (diff) | |
| download | linux-bd50f8924c684f84416fb58c11eb24619b041f25.tar.xz | |
IB/ehca: Fix ilog2() compile failure
I'm getting compile failures building this driver, which I narrowed
down to the ilog2 call in ehca_get_max_hwpage_size...
ERROR: ".____ilog2_NaN" [drivers/infiniband/hw/ehca/ib_ehca.ko]
undefined!
make[1]: *** [__modpost] Error 1
make: *** [modules] Error 2
The use of shca->hca_cap_mr_pgsize is confusing the compiler, and
resulting in the __builtin_constant_p in ilog2 going insane.
I tried making it take the u32 pgsize as an argument and the expansion
of shca->_pgsize in the caller, but that failed as well.
With this patch in place, the driver compiles on my GCC 4.6.2 here.
Suggested-by: Roland Dreier <roland@purestorage.com>
Signed-off-by: Kyle McMartin <kmcmarti@redhat.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
Diffstat (limited to 'Documentation')
0 files changed, 0 insertions, 0 deletions