Thx Emil. Understood now. Will re-scan the data structures and update. > -----Original Message----- > From: Emil Velikov [mailto:emil.l.velikov@xxxxxxxxx] > Sent: Thursday, October 16, 2014 11:20 PM > To: Cheng, Yao; intel-gfx@xxxxxxxxxxxxxxxxxxxxx > Cc: emil.l.velikov@xxxxxxxxx; Jiang, Fei; dri-devel@xxxxxxxxxxxxxxxxxxxxx; > Vetter, Daniel > Subject: Re: [RFC PATCH 3/3] libdrm: user mode helper for ipvr drm driver > > On 16/10/14 15:33, Cheng, Yao wrote: > > Hi Emil, > > Sorry, what do you mean by "correctly aligned"? does it mean the paddings > in this data structure? > > > Afaict for compatibility reasons the struct size have to be "aligned" > (multiple of 8 bytes), or if you prefer - the struct is missing the required > padding :) I've only skimmed through the patch so it may be that other > structs are having this issue. > > Cheers, > Emil > > >> -----Original Message----- > >> From: Emil Velikov [mailto:emil.l.velikov@xxxxxxxxx] > >> Sent: Wednesday, October 15, 2014 5:24 PM > >> To: Cheng, Yao; intel-gfx@xxxxxxxxxxxxxxxxxxxxx > >> Cc: emil.l.velikov@xxxxxxxxx; Jiang, Fei; > >> dri-devel@xxxxxxxxxxxxxxxxxxxxx; Vetter, Daniel > >> Subject: Re: [RFC PATCH 3/3] libdrm: user mode helper for ipvr drm > >> driver > >> > >> Hi Yao, > >> > >> struct drm_ipvr_gem_userptr does not seem to be correctly aligned - > >> is that intentional ? Might be worth checking if anything else in > >> ipvr_drm.h and ipvr_bufmgr.h is in the same boat. > >> > >> Cheers, > >> Emil > >> _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel