On Mon, Dec 13, 2021 at 02:39:24PM +0000, Matthew Wilcox (Oracle) wrote: > For some reason several people have been sending bad patches to fix > compiler warnings in vmcore recently. Here's how it should be done. > Compile-tested only on x86. As noted in the first patch, s390 should > take this conversion a bit further, but I'm not inclined to do that > work myself. A couple of notes: please, use iov_iter_count(i) instead of open-coding i->count. And there's a preexisting nastiness in read_vmcore() - generally, a fault halfway through the read() is treated as a short read, rather than -EFAULT...
