[U-Boot] How to distinguish between the Linux kernel version above 3.0

Dear list, On the http://www.kernel.org/ , there are three stable version:3.0 ,3.1,and 3.2. Linux like crazy has introduced a new version.Present's edition naming method is as if different with 2.x. What do these editions have to distinguish? Best regards, Xu Yang ___

[U-Boot] A question about mpc85xx tlb1

Dear list, In u-boot-2011.12/arch/powerpc/cpu/mpc85xx/cpu_init_early.c , line 151 void cpu_init_early_f(void) { ... invalidate_tlb(1); ... } The tlb1 has beening invalidated int the line 151, but I don't know when it was validated again. It makes me feel very confused, please help me. Best