On Tue, Mar 23, 2010 at 02:49:59PM -0500, Robin Holt wrote: > On Tue, Mar 23, 2010 at 08:30:19PM +0100, Anton Starikov wrote: > > > > On Mar 23, 2010, at 8:22 PM, Robin Holt wrote: > > > > > On Tue, Mar 23, 2010 at 07:25:43PM +0100, Anton Starikov wrote: > > >> On Mar 23, 2010, at 7:21 PM, Andrew Morton wrote: > > >>>> I will apply this commits to 2.6.32, I afraid current OFED (which I need also) will not work on 2.6.33+. > > >>>> > > >>> > > >>> You should be able to simply set CONFIG_RWSEM_GENERIC_SPINLOCK=n, > > >>> CONFIG_RWSEM_XCHGADD_ALGORITHM=y by hand, as I mentioned earlier? > > >> > > >> Hm. I tried, but when I do "make oldconfig", then it gets rewritten, so I assume that it conflicts with some other setting from default fedora kernel config. trying to figure out which one exactly. > > > > > > Have you tracked this down yet? I just got the patches applied against > > > an older kernel and am running into the same issue. > > > > I decided to not track down this issue and just applied patches. I understood that with this patches there is no need to change this config options. Am I wrong? > > We might need to also apply: > bafaecd11df15ad5b1e598adc7736afcd38ee13d For the record, these are the patches I have applied to a 2.6.32 kernel from a vendor: 59c33fa7791e9948ba467c2b83e307a0d087ab49 5d0b7235d83eefdafda300656e97d368afcafc9a 1838ef1d782f7527e6defe87e180598622d2d071 0d1622d7f526311d87d7da2ee7dd14b73e45d3fc bafaecd11df15ad5b1e598adc7736afcd38ee13d A quick look at the disassembly makes it look like we are using the rwsem_64, et al. Robin -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxxx For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>