[PATCH v5 RESEND 2/3] vmcore: Convert __read_vmcore to use an iov_iter

[Christoph Hellwig]

On Fri, Apr 08, 2022 at 05:06:35PM +0800, Baoquan He wrote:
> From: "Matthew Wilcox (Oracle)" <willy at infradead.org>
> 
> This gets rid of copy_to() and let us use proc_read_iter() instead
> of proc_read().
> 
> Signed-off-by: Matthew Wilcox (Oracle) <willy at infradead.org>
> Signed-off-by: Baoquan He <bhe at redhat.com>

Looks good:

Reviewed-by: Christoph Hellwig <hch at lst.de>