On Wed, 2010-04-14 at 13:24 +0200, Thomas Bogendoerfer wrote: > On Wed, Apr 14, 2010 at 04:03:05PM +0800, Wu Zhangjin wrote: > > If using CKSEG0 as the ebase, CKSEG0 is defined as 0xffffffff80000000, > > then we get the address: 0x97ffffff80000100, is this address ok? > > the address is broken TO_UNCAC doesn't work properly for CKSEG0 addresses. > And that's IMHO the real bug... I'm wondering whether this > set_uncached_handler() stunt is even needed. Is there a machine > where CKSEG0 and CKSEG1 address different memory ? If not, we could > just use the normal set_handler() function and be done with it. > Hi, all I'm not familiar with this part, is there any fixup/workaround for this bug? otherwise, we will get a broken support for the r4k machines(at least the loongson machines). Regards, Wu Zhangjin
