> -----Original Message----- > From: Segher Boessenkool [mailto:seg...@kernel.crashing.org] > Sent: Saturday, April 27, 2013 9:32 PM > To: Jia Hongtao-B38951 > Cc: Wood Scott-B07421; linuxppc-dev@lists.ozlabs.org; > ga...@kernel.crashing.org > Subject: Re: [PATCH 2/2 V7] powerpc/85xx: Add machine check handler to > fix PCIe erratum on mpc85xx > > > In former email you doubt whether we need A variant or not. > > Any particular reason for that? > > If not should I emulate all the A ARX AU AUX and AX variant? > > A/AU/AX/AUX are just normal loads, sign-extended instead of zero-extended > (so assign -1 to the register loaded). > > The ARX thing is load-locked, you do not want that one. > > > Segher
Thanks, very helpful. -Hongtao _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev