On Fri, Jan 03, 2003 at 02:29:22AM -0800, Pete Popov wrote: > The changes betwen rev 1.23 and 1.24 in unaligned.c, to replace > check_axs() with verify_area(), causes any unaligned access from within > a kernel module to crash. access_ok() returns -EFAULT as the > __access_mask is 0xffffffff so __access_ok evaluates to > 0. It's too > late for me to look into it any further but perhaps the problem will be > obvious to someone else. I'm not sure what get_fs() should return in > this case (again, the access is from within a kernel module) but it > returns 0xffffffff. The address error handler should do something like: mm_segment_t seg; seg = get_fs(); if (!user_mode(regs)) set_fs(KERNEL_DS); ... usual unaligned stuff goes here ... set_fs(seg); Ralf
