question on tty_operations->flush_char()

DISCUSSION Oliver Neukum 3 participants 3 messages May 19, 2020 – May 20, 2020 USB

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Oliver Neukum

author

2020-05-19 15:39 UTC #0 lore raw

Hi,

is the flush_char() opertion of tty_operations allowed to sleep?

Regards
Oliver

Greg KH

maintainer

2020-05-20 05:35 UTC #1 lore raw

Quoted 3 lines · Oliver Neukum

Hi,
is the flush_char() opertion of tty_operations allowed to sleep?

"flush_chars"?

I am pretty sure, given that the caller locations of it sleep before they call it. I thought I documented stuff like that a long time ago, maybe not :(

thanks,

greg k-h

Johan Hovold

2020-05-20 06:42 UTC #2 lore raw

Quoted 10 lines · Greg Kroah-Hartman

Quoted 3 lines · Oliver Neukum
Hi,
is the flush_char() opertion of tty_operations allowed to sleep?
"flush_chars"?
I am pretty sure, given that the caller locations of it sleep before they call it. I thought I documented stuff like that a long time ago, maybe not :(

I agree, I don't see why that wouldn't be allowed currently.

Johan