> From: Russell King - ARM Linux [mailto:linux@xxxxxxxxxxxxxxxx] > Sent: Friday, November 14, 2014 5:58 PM > To: Wang, Yalin > Cc: 'Will Deacon'; 'Ard Biesheuvel'; 'linux-kernel@xxxxxxxxxxxxxxx'; > 'akinobu.mita@xxxxxxxxx'; 'linux-mm@xxxxxxxxx'; 'Joe Perches'; 'linux-arm- > kernel@xxxxxxxxxxxxxxxxxxx' > Subject: Re: [RFC V6 2/3] arm:add bitrev.h file to support rbit instruction > > > Is it possible to build a kernel that support both CPU_V6 and CPU_V7? > > Absolutely it is. > > > I mean in Kconfig, CPU_V6 = y and CPU_V7 = y ? > > Yes. > > > If there is problem like you said, > > How about this solution: > > select HAVE_ARCH_BITREVERSE if ((CPU_V7M || CPU_V7) && !CPU_V6) > > That would work. > OK, I will submit a patch for this change. > > For this patch, > > I just cherry-pick from Joe, > > If you are not responsible for this part, I will submit to the > > maintainers for these patches . > > Sorry for that . > > I think you need to discuss with Joe how Joe would like his patches handled. > However, it seems that Joe already sent his patches to the appropriate > maintainers, and they have been applying those patches themselves. > > Since your generic ARM changes depend on these patches being accepted first, > this means is that I can't apply the generic ARM changes until those other > patches have hit mainline, otherwise things are going to break. So, when > you come to submit the latest set of patches to the patch system, please do > so only after these dependent patches have been merged into mainline so > that they don't get accidentally applied before hand and break the two > drivers that Joe mentioned. Joe has submitted patches to maintainers, So we need wait for them to be accepted . Thanks -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href