On Wed, 2015-05-27 at 10:53 +0800, Xiao Guangrong wrote: > > On 05/26/2015 10:48 PM, Paolo Bonzini wrote: > > > > > > On 26/05/2015 16:45, Edward Cree wrote: > >>>> This breaks older compilers that can't initialize anon structures. > >>>> > >>>> How old ? Even gcc 3.1 says you can use unnamed struct/union fields and > >>>> 3.2 is the minimum version required to compile the kernel as mentioned > >>>> in the README. > >>>> > >>>> We could simply just name the structure, but I doubt this is the > >>>> only place in the kernel code where it's being used this way :) > >> This appears to be GCC bug #10676, see <https://gcc.gnu.org/bugzilla/show_bug.cgi?id=10676> > >> Says it was fixed in 4.6, but I believe the kernel supports GCCs much older > >> than that (back to 3.2). I personally hit it on 4.4.7, the version shipped > >> with RHEL6.6. > > > > Yes, it will be fixed soon(ish). Probably before you can get rid of the > > obnoxious disclaimer... :) > > It has been fixed by Andrew: > > From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> > Subject: arch/x86/kvm/mmu.c: work around gcc-4.4.4 bug Folks, this fix is missing in both -tip and Linus' (4.1-rc7) tree. At least I'm running into it. Thanks, Davidlohr -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html