On Sun, May 23, 2021 at 08:51:09PM +1000, Michael Ellerman wrote: > Greg KH <gre...@linuxfoundation.org> writes: > > On Fri, May 14, 2021 at 04:44:22PM -0500, Nathan Lynch wrote: > >> hvterm_raw_put_chars() calls hvc_put_chars(), which may return -EAGAIN > >> when the underlying hcall returns a "busy" status, but udbg_hvc_putc() > >> doesn't handle this. When using xmon on a PowerVM guest, this can > >> result in incomplete or garbled output when printing relatively large > >> amounts of data quickly, such as when dumping the kernel log buffer. > >> > >> Call again on -EAGAIN. > >> > >> Signed-off-by: Nathan Lynch <nath...@linux.ibm.com> > >> --- > >> drivers/tty/hvc/hvc_vio.c | 2 +- > > > > Subject line does not match up with this file name. > > > > Don't you want "tty" and "hvc" in there somewhere? > > It's a powerpc only driver, but I guess the subject should still be > "tty: hvc: ..." to match convention. > > I was planning to take this via the powerpc tree, but I can drop it if > you'd rather take it.
No problem, feel free to take it yourself! greg k-h
