Messages in this thread | | | Date | Fri, 21 May 2021 14:47:36 +0200 | From | Greg KH <> | Subject | Re: [PATCH] powerpc/udbg_hvc: retry putc on -EAGAIN |
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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 <nathanl@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?
thanks,
greg k-h
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