On Mon, Dec 13, 2021 at 09:02:57AM +0100, Christoph Hellwig wrote:
> >
> > ssize_t elfcorehdr_read(char *buf, size_t count, u64 *ppos)
> > {
> > - return read_from_oldmem(buf, count, ppos, 0,
> > + struct kvec kvec = { .iov_base = buf, .iov_len = count };
> > + struct iov_iter iter;
> >
On 12/13/21 at 09:02am, Christoph Hellwig wrote:
> >
> > ssize_t elfcorehdr_read(char *buf, size_t count, u64 *ppos)
> > {
> > - return read_from_oldmem(buf, count, ppos, 0,
> > + struct kvec kvec = { .iov_base = buf, .iov_len = count };
> > + struct iov_iter iter;
> > +
> > +
>
> ssize_t elfcorehdr_read(char *buf, size_t count, u64 *ppos)
> {
> - return read_from_oldmem(buf, count, ppos, 0,
> + struct kvec kvec = { .iov_base = buf, .iov_len = count };
> + struct iov_iter iter;
> +
> + iov_iter_kvec(, READ, , 1, count);
> +
> + return
Hi "Matthew,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on tip/x86/core]
[also build test ERROR on arm64/for-next/core powerpc/next s390/features
linus/master v5.16-rc5]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting
Remove the read_from_oldmem() wrapper introduced earlier and convert
all the remaining callers to pass an iov_iter.
Signed-off-by: Matthew Wilcox (Oracle)
---
arch/x86/kernel/crash_dump_64.c | 7 +-
fs/proc/vmcore.c| 40 +
